Gree GWH09MA-A3DNA3A, Installation, Service & Troubleshooting

Page 1: ...Neo DUCTLESS SYSTEM Installation Service Troubleshooting Models GWH09MA A3DNA3A GWH12MB A3DNA3A GWH09MB D3DNA3D GWH12MB D3DNA3D GWH18MC D3DNA3D GWH24MD D3DNA3D GWH30LB D3DNA3E GWH36LB D3DNA3E ...

Page 2: ...bleshooting Indoor Components TroubleshootingOutdoorComponents Fault Codes Status Displays Troubleshooting Flow Charts Fault Codes Diagnostics Status Displays Disassembly of 115 volt Indoor Units Disassembly of 9 000 12 000 btuh 120 volt Outdoor Systems Disassembly of 9 000 btuh 240 volt Indoor Systems Disassembly of 9 000 btuh 240 volt Outdoor Systems Disassembly of 12 000 btuh 240 volt Outdoor S...

Page 3: ...sassembly of 24 000 btuh 240 volt Outdoor Systems Disassembly of 240 volt Indoor Systems Disassembly of 30 000 36 000 240 volt Indoor Systems Appendix 1 3 Temperature Sensor Resistance Tables 184 188 189 197 198 204 205 210 ...

Page 4: ... can cause personal injury or death Refer to your local and national codes for proper grounding Have the unit properly grounded with all connec tions tight Loose connections can cause overheat ing and a possible fire hazard Safety Precautions Warnings Warning Warning Caution Never install the unit in a place where a combustible gas might leak or it may lead to fire or explosion Make a proper provi...

Page 5: ... C Cooling H Heat Pump 09 9 000 btuh 12 12 000 btuh 18 18 000 btuh 24 24 000 btuh 30 30 000 btuh 36 36 000 btuh 42 42 000 btuh Product Series Terra TB TC TD Neo AB AC Neo Multi ND NEO MA MB MC MD LB RIO KF KG A 115 vac D 208 230 vac R410a DC Inverter T1 Panel Revision I Indoor Unit O Outdoor Unit Product Catalog Number Nomenclature ...

Page 6: ...ing Range Heating deg F 5 75 5 75 System Specifications Compressor Type DC Inverter Driven Twin Rotary Sound Level Indoor Out door db 44 63 46 65 Net Gross Weight Indoor lb 24 31 24 31 Net Gross Weight Outdoor lb 79 90 88 97 Condenser Coil Type Gold Fin Coated Refrigerant Charge oz R410a 41 2 R410a 45 9 Line Set Size Liq Suction 1 4 3 8 1 4 3 8 Pre Charged Lineset Ft Feet 25 25 Additional Refriger...

Page 7: ...3 000 2 400 14 000 Operating Range Cooing deg F 5 109 5 109 Operating Range Heating deg F 5 75 5 75 System Specifications Compressor Type DC Inverter Driven Twin Rotary Sound Level db 50 52 Net Gross Weight Indoor lb 22 29 22 29 Net Gross Weight Outdoor lb 79 90 88 97 Condenser Coil Type Gold Fin Coated Refrigerant Charge oz R410a 45 9 R410a 45 9 Line Set Size Liq Suction 1 4 3 8 1 4 3 8 Pre Charg...

Page 8: ... 000 4 300 26 000 Operating Range Cooing deg F 25 115 25 115 Operating Range Heating deg F 5 65 5 65 System Specifications Compressor Type DC Inverter driven Twin Rotary Sound Level db 56 58 Net Gross Weight Indoor lb 29 38 35 46 Net Gross Weight Outdoor lb 99 110 132 146 Condenser Coil Type Gold Fin Coated Refrigerant Charge oz R410a 49 4 R410a 56 4 Line Set Size Liq Suction 1 4 1 2 1 4 5 8 Pre C...

Page 9: ...0 34 600 15 000 36 000 Operating Range Cooing deg F 25 115 25 115 Operating Range Heating deg F 5 65 5 65 System Specifications Compressor Type DC Inverter driven Twin Rotary Sound Level db 50 52 Net Gross Weight Indoor lb 22 29 22 29 Net Gross Weight Outdoor lb 75 90 88 97 Condenser Coil Type Gold Fin Coated Refrigerant Charge oz R410a 84 7 R410a 91 7 Line Set Size Liq Suction 1 4 5 8 1 4 5 8 Pre...

Page 10: ...ndicating the appropriate fault The indoor unit contains a digital display which will indicate the current fault The evaporator swing mo tors fan motors and circuit board are also components of the indoor unit The indoor units have a bypass switch to bypass the remote control if lost or batteries fail This will be explained later in this service manual The systems require R410A and are pre charged...

Page 11: ...models Indoor Unit Outdoor Unit Heat Exchanger Heat Exchanger Inverter Compressor Temperature Sensor 4 way Compressor Refrigeration Components Product Introduction Accumulator High Pressure Switch Temperature Sensor Strainer Electronic Expansion Valve ...

Page 12: ...ction Cooling Mode 4 way valve Inverter Compressor Discharge Silencer Discharge Temperature Sensor Strainer Note The manufacturer reserves the right to modify the design and or change the specifications without notice Please refer to specific installation manual for current information Note Please refer to actual model for exact piping arrangement refrigeration components may vary ...

Page 13: ...ntrolled by the outdoor circuit board E The refrigerant leaving the EEV will be in a low pressure temperature saturated state This cold saturated refrigerant will move through the coil absorbing heat This liquid will flash to a vapor and will be superheated to about 10 degrees F Since this tubing is cold it must be insulated F The superheated vapor will be returned to the outdoor unit s 4 way valv...

Page 14: ...ter Temperature Sensor Heating Mode 4 way valve Discharge Silencer Discharge Temperature Sensor Note Please refer to actual model for exact piping arrangement refrigeration components may vary Note The manufacturer reserves the right to modify the design and or change the specifications without notice Please refer to specific installation manual for current information ...

Page 15: ... pressure liquid and will maintain 10 degrees F of superheat E The cold refrigerant will travel through the outdoor coil evaporator and will pickup heat from the outdoor air This will cause the cold saturated refrigerant to flash to a saturated mixture which will be superheated to 10 degrees F F The superheated vapor will travel through the 4 way valve to the accumulator which will prevent liquid ...

Page 16: ...16 Product Introduction Indoor Tube Thermistor Swing Motor Ambient Temperature Sensor Indoor Unit Components Neo 12 000 btuh model Other Neo models may very slightly Indoor Circuit Board Fan Motor ...

Page 17: ...or Unit Components Neo 12 000 btuh Outdoor Unit Other Neo models may very slightly Compressor 4 Way Valve Reactor AP1 Board Exhaust Temp Sensor Outdoor Fan Note Component locations may vary depending on models High Pressure Switch ...

Page 18: ...18 Product Introduction Outdoor Unit Components Electronic Expansion Valve Outdoor tube Sensor Outdoor Air Sensor ...

Page 19: ... will turn to anti cold wind function when the unit is pow ered off and the indoor fan had ever turned on the unit will turn to blowing residual heat 2 When the compressor is running doesn t include entering each malfunction and protection a When Toutdoor amblent 68 F if the indoor fan speed is low or medium the fan speed will switch to high speed if the fan speed is high or turbo the fan speed wi...

Page 20: ...ctual operation mode and set temperature 30s will be delayed for protection during mode switchover Protection function is the same as that in other modes The selection method for auto operation mode in details is as below a When Tamb 79 F the unit operates in cooling mode The defaulted set temperature is 77 F b When Tamb 72 F the unit operates in heating mode The defaulted set temperature is 68 F ...

Page 21: ...rning on sleep function temperature will increase 1 8 F for every hour After 5 4 F has been increased the temperature will not change 7 hours later temperature will decrease 1 8 F After that the unit will keep operating at that temperature 1 2 When initial set temperature range is 75 81 F if turning on sleep function temperature will increase 1 8 F for every hour After 3 6 F has been increased the...

Page 22: ...or fan operates in auto fan speed mode the indoor fan will operate at high speed medium speed low speed or turbo according to the change of ambient temperature 3 In auto heating mode or normal heating mode the auto fan speed operates according to below mode When Tamb Tpreset 1 8 F indoor fan operates at high speed When Tpreset 1 8 F Tamb Tpreset 1 8 F indoor fan operates at medium speed When Tamb ...

Page 23: ...ction or protection if timer off is set this function will be executed 10 Memory Function Memorized items mode up down swing light set temperature and set fan speed When power is recovered after power failure the unit will automatically start operation according to memorized status After power recovery the unit without timer setting before power failure will operate according to the last setting t...

Page 24: ...set health or cold plasma function Health or cold plasma function can operate when it set ON and indoor fan operates 13 Fahrenheit Display Function Niexie tube displays current set temperature If the remote control signal is Fahrenheit the temperature will be display by Fahrenheit Set temperature range is 61 86 F Under auto mode nixie tube displays 77 F in cooling and fan and 68 F in heating Cooli...

Page 25: ...25 Product Introduction Left Intentionally Blank ...

Page 26: ... and dehumidifying mode 6 minutes after the compressor is started If T evap 35 6 F the compressor will operate at reduced frequency If T evap 30 2 F is detected for durative 3 minutes the compressor will stop and after 30 seconds the outdoor fan will stop and under cooling mode the indoor fan and the swing motor will remain at the original state If T evap 50 F and the compressor has remained at OF...

Page 27: ...bient 23 F Toutdoor tube Tcompensatory Toutdoor ambient 5 4 F e Toutdoor ambient 14 F Toutdoor tube Tcompensatory Toutdoor ambient 5 4 F After energization for the first defrosting Tcompensation 0 F if it is not the first time of defrosting Tcompensation will be determined by Toutdoor pipe when quitting defrosting last time a Toutdoor pipe 35 6 F Tcompensation 0 F b Toutdoor pipe 35 6 F Tcompensat...

Page 28: ... the compressor will remain unchanged for at least 6 minutes 6 Common Protection Functions and Fault Display under COOL HEAT DRY and AUTO Modes 1 Overload protection T tube measured temperature of outdoor heat exchanger under cooling mode and measured temperature of indoor heat exchanger under heating mode 1 Cooling overload a If T tube 125 6 F the unit will return to its original operation state ...

Page 29: ...he setting time by remote control 5 SLEEP function Sleep mode is only valid under cooling mode and heating mode Cooling mode Basing on the set temperature of remote controller after turning on the sleep function for a few hours set temperature will increase properly and automatically according to human body s comfort Heating mode Basing on the set temperature of remote controller after turning on ...

Page 30: ... Location C Location D Location L to Location D stop at any location between L D the included angle between L D is the same The air deflector will be closed at 0 Location and the swinging is effectual only on condition that setting the swinging order and the inner fan is running The indoor fan and compressor may get the power when air deflector is on the default location 10 Display 1 Operation pat...

Page 31: ...mpressor and of condenser will stop operation otherwise the below control logic will be followed 1 Control of Compressor Electric Heating Band a Startup condition compressor is powered off while outdoor ambient temperature 23 F b Stop condition the compressor will be turned off under any of the condition i Compressor is powered on ii Compressor is powered off while outdoor ambient temperature 28 4...

Page 32: ...frigerant spraying out close corresponding valve immediately turn off the unit with remote controller and then remove the connection pipe 2 Exit refrigerant recovery function During refrigerant recovery process if any one indoor unit receives any remote control signal or refrigerant recovery function has operates for about 25min refrigerant recovery function will be exited automatically If the com...

Page 33: ...ill act 3 Protection function under heating mode compressor will stop to run due to malfunction happened indoor fan motor will blow surplus heat 4 Defrosting control When receiving the defrosting signal from outdoor unit displayer will display H1 10s later indoor fan motor will stop to run 5 Anti cold wind function 6 Blow heat air function a If heating temp meets the compressor stop running condit...

Page 34: ...then return to set temperature display If the controller is lack of outdoor display functions as the signal is received set temperature will be displayed When the unit is turned off temperature display will be compulsively set at given temperature by the controller When the unit is turned on patterns as set by remote signals will be displayed If user does not set up temperature display state given...

Page 35: ... running the wind blow motor will work When the button is pushed again the unit will be switched off At the same time as the button is pushed the whole unit will be powered on and enter into fast test mode when the unit is powered on and detects for continuous 20s such time shall not be fast tested that the auto button is pushed and if the unit is currently at fast test state the unit will quit th...

Page 36: ...ng will be re counted from the time at which the system is powered again If timing is set by the last remote control command and timing of start or stop is reached before power failure the system as powered on again will memorize operation state before power failure and will not perform timing action Moment timing is out the range of memory 9 Locked Protection When starting up the fans if the moto...

Page 37: ...oller continuously for three times within 3 seconds to enter into the fluorine collecting mode and display Fo send the fluorine collecting mode for 25 minutes continuously each load will be treated as cooling when starting the machine set the air flow as High set the temperature as 60 8 F 2 Exit from the Forced Running Control After receiving any remote signal or signal of keys the fluorine collec...

Page 38: ...re Tpipe temperature Toutdoor pipe temperature in cooling mode Tpipe temperature Tindoor pipe temperature in heating mode After the compressor starts up and runs for 10 minutes if the compressor frequency f 40Hz and Tpipe temperature Texhaust 37 4 F the outdoor exhaust temperature thermo bulb can be judged not to be connected into place judging once when power is on the first time B Basic Function...

Page 39: ...the conditions below is satisfied c Toutdoor pipe temperature Toutdoor ambient temperature Ttemperature 1 of finishing defrosting d The continuous running time of defrosting reaches tmax defrosting time D Control Logic 1 Compressor Control Start the compressor after starting cooling heating dehumidifying operations and the outer fans start for 5s when the machine is shut down in safety stops and w...

Page 40: ...ter the compressor stopped working for 180s if Tinner pipe Tfrozen preventing frequency limited temperature the temperature of hysteresis is 35 6 F the machine is only allowed to start for operating otherwise it should not be started and should be stopped to treat according to the frozen preventing protection Clear the trouble under the mode of power turn off heating and the protection times are n...

Page 41: ... you should adjust the compressor frequency by reducing 30Hz 90s till the lower limit After it was running 90s at the lower limit if TCooling overload frequency reducing temperature at normal speed Touter pipe then Cooling overload protects machine stopping 5 Power turn off If the cTCooling overload power turn off temperature Touter pipe then Cooling overload protects machine stopping If Touter pi...

Page 42: ...tects machine stopping If Tinner pipe Theating overload frequency limited temperature and the compressor has been stopped working for 3 minutes the machine should be allowed to operate 5 If the overload protection power turn off continuously occurs for six times it should not be resumed automatically and you should press the ON OFF button to resume if the fault keeps on During the process of runni...

Page 43: ... air mode will clear the trouble times immediately if the trouble cannot be resumed mode transferring also will not clear it 7 Frequency limited If ILimited frequency when overcurrent IAC Electric current Ifrequency reducing when overcurrent you should limit the frequency raising of compressor 8 Reducing frequency If IFrequency reducing when overcurrent IAC Electric current IPower turn off when ov...

Page 44: ...eed of module TModule you should stop the machine for module overheating protection 2 Frequency limited If TLimited frequency temperature of module TModule Tfrequency reducing temperature at normal speed of module you should limit the frequency raising of compressor 3 Reducing frequency at normal speed and power turn off If Tfrequency reducing temperature at normal speed of module TModule Tfrequen...

Page 45: ...ucing Phase Current and the compressor have stopped working for 3 min the machine shall be allowed to operate 4 If the overcurrent protection of compressor phase current continuously occurs for six times it should not be resumed automatically and you should press the ON OFF button to resume During the process of running if the running time of compressor exceeds the tClearing Time of Compressor Pha...

Page 46: ...otection for Four way Valve Under the model of heating operation in good condition the compressor is detected TInner Tube TInner Ring TAbnormity Temperature Difference For Four Way Valve Reversion during the running it should be regarded as four way valve reversion abnormality And then it can run if stop the reversion abnormality protection for four way valve 3 min and if it still can t run when t...

Page 47: ...s b Open Circuit Detection the compressor should be detected on open circuit when it runs 3min it needn t 30s avoiding the module over heated c Detect the sensor failure at all times in the testing mode 5 Disposal for Sensor Protection 1 When the short circuit of sensor is detected within 30s It is regarded as the temperature of sensor over high or infinitely high and now according to the over hig...

Page 48: ...us state Under this mode the four way valve will be de energized and temperature can be set within a range from 61 to 86ºF If the compressor is shut down for some reason the indoor fan and the swing device will operate at original state b Protection Antifreeze protection Under cooling and dehumidifying mode 6 minutes after the compressor is started If Tevap 35 6ºF the compressor will operate at re...

Page 49: ...pe 28 4ºF B 28 4ºF Toutdoor amb C 23ºF Toutdoor amb 28 4ºF Toutdoor pipe 17 6ºF D 14ºF Toutdoor amb 23ºF Toutdoor pipe Tcompensation Toutdoor amb 5 4ºF E Toutdoor amb 14ºF Toutdoor pipe Tcompensation Toutdoor amb 5 4ºF F Toutdoor pipe 35 6ºF Tccompensation 0ºF b Toutdoor pipe 35 6ºF Tccompensation 5 4ºF At that time the indoor fan stops and the compressor stops and after 60 seconds the outer fan w...

Page 50: ...perature Tpreset is 68ºF a Once energized if Tamb 71 6ºF the unit will be started under heating mode if 71 6ºF Tamb 78 8ºF the unit will run under fan mode and the run indicator will be bright and if Tamb 78 8ºF the unit will be started under cooling mode b Under AUTO mode if Tamb Tpreset 1 8ºF is detected the unit will select to run under cooling mode in which case implicit preset temperature is ...

Page 51: ... the compressor will run at reduced frequency If exhaust temperature 230ºF the compressor will stop If exhaust temperature 194ºF and the compressor has stayed at stop for at least 3 minutes the compressor will resume its operation C Communication fault If the unit fails to receive correct signals for durative 3 minutes communication fault can be justified and the whole system will stop D Module pr...

Page 52: ...or is detected to be open circuited or short cir cuited for successive 30 seconds Outdoor Tube Temperature The sensor is detected to be open circuited or short cir cuited for successive 30 seconds and no detection is preformed within 10 minutes after defrost begins Exhaust After the compressor has operated for 3 minutes the sensor is detected to be open circuited or short circuited for successive ...

Page 53: ... Light Button See explanations next page Press Mode button to change from C to F Press to lock control Note This remote control is used in other models and some features may or may not be available Consult the owners manual for specific features for your model There should be no obstructions between the remote controlandtheindoorunitforproperoperation Keepthe remotefromdirectsunlightoranysourcetha...

Page 54: ...g Icon 21 Left Right Swing Icon 22 Set Time Display 23 Digit Display 24 Fan Speed Display Se explanations next page Replacing Batteries 1 Locate the battery cover on the back of the remote 2 Remove the small screw at the bottom of the cover 3 Slide the cover downward 4 Replace with two AAA batteries 5 Replace cover and screw ...

Page 55: ...tton to stop or start the up down swing function Press the and Swing button together will switch between static and simple swing 7 Clock Button Press this button to set clock Press _ or within 5 seconds to change time Holding buttons down for more than 2 seconds will speed up time Press Clock again to save setting 8 Timer On Press this button to initiate the Auto On timer Press this button again t...

Page 56: ...on Indicates current mode of unit 16 Lock Icon Indicates if control is locked 17 Light Icon Indicates lights is on 18 Sleep Icon Indicates if sleep mode is on 19 Temp Icon Indicates if display is indicating indoor ambient or set temperature 20 Up Down Swing Icon Indicates if indoor unit is in up down swing function 21 Left Right Swing Icon Not on all models Indicates if indoor unit is in left righ...

Page 57: ...ide Located on indoor unit In the event the controller is missed placed or the batteries are defective this will override the remote controller If the controller is on pressing this button will stop it if it is off pressing the button will turn the controller on When turning the controller on the swing and light will be on and the unit will run in Auto Mode Remote Controller Functions Product Intr...

Page 58: ...system to check for leaks Use only dry nitrogen with a pressure regulator for pressurizing unit Pressurize with 150 psi of dry nitrogen Apply soap and water to check whether the joints are leaky A leak detector may also be used for a leakage test Hint You may want to perform leak testing and evacuation before wiring to save time electrical connections can be completed while your vacuum pump is run...

Page 59: ...l length of refrigerant line as indicated in the chart below Additional refrigerant will need to be added for total lengths over the listed length Confirm the following chart with your installation manual for additional charge amounts GWH09MA A3DNA2B GWH12MA A3DNA2B GWH09MB D3DNA3D GWH12MB D3DNA3D Additional Charge 0 22 oz ft 0 22 oz ft 0 22 oz ft 0 22 oz ft Max Length without Additional Charge 25...

Page 60: ...ch hoses to the unit and vacuum pump 5 16 x 1 4 adapter may be required to connect hose to port Check to insure that the liquid and gas valves are closed on the unit Close all valves on your gauge set then connect the vacuum pump to your gauge set Pump down lineset and indoor unit 4 Zero charging scale Place the refrigerant tank on the charging scale Open the tank valve turn on the scale then zero...

Page 61: ...al charge for future reference 6 Charge to the correct weight If the scale was zeroed with the refrigerant tank on the scale the amount added to the system will be a negative amount since it was removed from the tank After the proper amount of refrigerant has been weighed in close the manifold valve 7 Remove refrigerant tank Close the tank valve then carefully remove the hose and adapter Replace t...

Page 62: ...d vibra tion of the unit 4 Be sure to leave enough space to allow access for routine maintenance Refer to unit installation specifi cations for clearances Select a place more than 3 feet away from any TV or other electrical appliances Indoor Unit 1 Select a suitable site where proper drainage will occur 2 Select a site where there is sufficient ventilation 3 Select a site where there is no obstruc...

Page 63: ...irmly enough to withstand approximately 132 pounds 5 Refer to specific models for dimensional data Mounting Plate Installation 1 The piping can exit the indoor unit from either side see pictured below 2 Drill a 2 1 2 diameter hole at a slightly downward angle to the outdoor side 3 Note The outdoor hole should be approximately 1 4 lower than the indoor hole 4 Insert the piping hole sleeve into the ...

Page 64: ...l lineset and wiring from the outside through the wall sleeve 2 Bend the indoor lineset Note a tube bender will speed up the process 3 Carefully remove flare nut from indoor coil Listen for holding charge from indoor unit No charge may indi cate a leak and should be tested 4 Use a flaring tool if necessary to create the flare con nect tubing tightening to the torque listed below Install Line Set T...

Page 65: ... a refrigerant charge leave liquid and gas valves closed 1 After no leaks have been detected connect a vacuum pump to the outdoor unit 2 Connect appropriate hoses to manifold gauge vacuum pump and unit refrigeration connections 3 Evacuate the system until the micron gauge reads no higher than 350 microns 4 Close valve to vacuum pump if pressure does not rise above 500 microns after one minute the ...

Page 66: ...r code of indoor connections Repeat this for each indoor unit 3 Connect power wiring form outdoor disconnect to L1 L2 and ground 4 Check all connections to tightness 5 Reinstall the cover handle Note Follow all local electrical codes for electrical wiring Connect the Outdoor Wiring Installation Note Confirm proper voltage before connecting wires ...

Page 67: ...P button to enter AUTO mode Press the AUTO STOP button again to turn the unit off Cleaning Air Filter 1 Lift up the front panel to access the air filter Fig A 2 The first stage filter can be cleaned with a vacuum cleaner or by washing with a mild soap and 113º F water Fig B 3 Replace dry filter into indoor unit as shown in Fig C Filter Maintenance and Emergency Operation ...

Page 68: ... the one supplied with the unit Symbol Color Symbol Symbol Color Symbol OG Orange Earth Ground WH White COMP Compressor YE Yellow CT1 2 Overload RD Red 4V 4 Way Valve YEGN Yellow Green XT Terminal Block BN Brown Vt Violet BU Blue BK Black Indoor Board GWH09MA A3DNA1A O GWH12MB A3DNA1A O 115 vac ...

Page 69: ... the one supplied with the unit GWH09MA A3DNA1A O GWH12MB A3DNA1A O 115 vac Outdoor Unit Symbol Color Symbol Symbol Color Symbol OG Orange Earth Ground WH White COMP Compressor YE Yellow CT1 2 Overload RD Red 4V 4 Way Valve YEGN Yellow Green XT Terminal Block BN Brown VT Violet BU Blue BK Black ...

Page 70: ... Yellow CT1 2 Overload RD Red 4V 4 Way Valve YEGN Yellow Green XT Terminal Block BN Brown VT Violet BU Blue BK Black Electrical Schematics Circuit diagrams are subject to change without notice please refer to the one supplied with the unit GWH09MA D3DNA1A O GWH12MB D3DNA1A O 240vac Indoor Board ...

Page 71: ...te COMP Compressor YE Yellow CT1 2 Overload RD Red 4V 4 Way Valve YEGN Yellow Green XT Terminal Block BN Brown VT Violet BU Blue BK Black Circuit diagrams are subject to change without notice please refer to the one supplied with the unit Outdoor Board GWH09MA D3DNA1A O GWH12MB D3DNA1A O 240vac ...

Page 72: ...Compressor YE Yellow CT1 2 Overload RD Red 4V 4 Way Valve YEGN Yellow Green XT Terminal Block BN Brown VT Vilolet BU Blue BK Black Circuit diagrams are subject to change without notice please refer to the one supplied with the unit Indoor Board Electrical Schematics GWH18MC D3DNA3D ...

Page 73: ... Ground WH White COMP Compressor YE Yellow CT1 2 Overload RD Red 4V 4 Way Valve YEGN Yellow Green XT Terminal Block BN Brown Vt Violet BU Blue BK Black Circuit diagrams are subject to change without notice please refer to the one supplied with the unit Outdoor Board GWH18MC D3DNA3D ...

Page 74: ...Compressor YE Yellow CT1 2 Overload RD Red 4V 4 Way Valve YEGN Yellow Green XT Terminal Block BN Brown VT Violet BU Blue BK Black Circuit diagrams are subject to change without notice please refer to the one supplied with the unit Indoor Board Electrical Schematics GWH24MD D3DNA3D ...

Page 75: ...Compressor YE Yellow CT1 2 Overload RD Red 4V 4 Way Valve YEGN Yellow Green XT Terminal Block BN Brown VT Violet BU Blue BK Black Circuit diagrams are subject to change without notice please refer to the one supplied with the unit Electrical Schematics GWH24MD D3DNA3D Outdoor Board ...

Page 76: ...Compressor YE Yellow CT1 2 Overload RD Red 4V 4 Way Valve YEGN Yellow Green XT Terminal Block BN Brown VT Violet BU Blue BK Black Circuit diagrams are subject to change without notice please refer to the one supplied with the unit Indoor Board Electrical Schematics GWH30LB D3DNA3E ...

Page 77: ... diagrams are subject to change without notice please refer to the one supplied with the unit Electrical Schematics GWH30LB D3DNA3E Outdoor Board Symbol Name EH Electric Heater XT1 Terminal Board AP1 Main PC Board L1 L2 Reactor Comp Compressor M Fan Motor 4YV 4 Way Valve HP1 High Pressure Switch HP2 High Pressure Switch SAT Comp Overload 20K Pipe Temp Sensor 15K Environment Temp Sensor 50K Dischar...

Page 78: ...e one supplied with the unit Electrical Schematics GWH36LB D3DNA3E Symbol Color Symbol Symbol Color Symbol OG Orange Earth Ground WH White COMP Compressor YE Yellow CT1 2 Overload RD Red 4V 4 Way Valve YEGN Yellow Green XT Terminal Block BN Brown BU Blue BK Black Indoor Board ...

Page 79: ...RD Red 4V 4 Way Valve YEGN Yellow Green XT Terminal Block BN Brown VT Violet BU Blue BK Black Electrical Schematics GWH36LB D3DNA3E Outdoor Board Symbol Name EH Electric Heater XT1 Terminal Board AP1 Main PC Board L1 L2 Reactor Comp Compressor M Fan Motor 4YV 4 Way Valve HP1 High Pressure Switch HP2 High Pressure Switch SAT Comp Overload 20K Pipe Temp Sensor 15K Environment Temp Sensor 50K Dischar...

Page 80: ...80 AP 1 Circuit Board Outdoor Fan Wires Thermistor wires Compressor Heater Band Printed Circuit Boards Compressor Wires ...

Page 81: ...h Turbo Brown White 130 vac 147 vac 161 vac 225 vac Brown Red 148 vac 184 vac 210 vac 340 vac White Red 123 vac 150 vac 180 vac 205 vac The following chart indicates approximate voltage measurements readings may vary slightly depending on models and should be used as a reference only Voltages should be taken with unit running PG Wire Connector Resistance ohms Brown White 160 Ω Brown Red 400 Ω Whit...

Page 82: ... Ω Orange 195 Ω Red To check the condition of the indoor step swing motor resistance measurements may be compared to the following chart Resistance measurements must be taken with power off and the connector removed from the board The following charts indicates approximate readings and may vary with different models Turn power off and remove connector from circuit board ...

Page 83: ...n of the EEV Valve in heating mode using a digital thermometer record the tem perature of the input line and the output line of the valve as indicated in the picture above With the com pressor running the input side of the valve should have a higher reading then the output side indicating that the valve is metering If the temperature readings arethesame thevalveisfullyopenandthevalveisnot metering...

Page 84: ...res the measurement of 4 readings First re cord the temperature of the compressor discharge tubing secondly record the temperature of the suction line tube There should be no more than a 10 degrees difference between the two readings The next set of readings will require recording the temperature of the tubing going to the condens er coil and the temperature of the tubing going to the accumulator ...

Page 85: ... 294 108 226 4 0 802 5 41 0 38 15 57 134 6 4 139 109 228 2 0 779 6 42 8 36 32 58 136 4 3 99 110 230 0 0 758 7 44 6 34 58 59 138 2 3 848 111 231 8 0 737 8 46 4 32 94 60 140 0 3 711 112 233 6 0 717 9 48 2 31 38 61 141 8 3 579 113 235 4 0 697 Using a glass of ice water place the sensor into the glass with a digital thermometer Wait a few minutes for the reading to stabilize Compare the readings to th...

Page 86: ...ssis ground If the read ings between the windings differ greatly the windings are bad If there is a reading from any wire to the chassis there is leakage in the windings Compressor Windings Red Yellow Blue Wires Reactor The reactor filters out electrical noise and transient voltage spikes to the control board There will be a reading of less than 1 Ω after the wires are removed There should be no r...

Page 87: ...n disconnect the plug from the circuit board The chart below will indicate the approximate resistance values in ohms Readings may vary slightly for different models This is a DC brush less motor resistance readings may vary with meters Plugging a know good motor in the board would provide a quick troubleshooting technique Motor Leads Negative Meter Lead this color Blue Yellow Black White Red Blue ...

Page 88: ...eater Compressor Crankcase Heater Check Troubleshooting Outdoor Components Reactor Reactor Resistance Check The line reactor helps to smooth the inrush current reduce harmonics and noise and buffers the system pro tecting the electronics from transient voltage noise The resistance between the coils will be very low approxi mately 3 ohms and should not have any resistance to ground You should disco...

Page 89: ...e coefficient thermistor that decrease in resistance as the temperature increases The sensors are used to monitor the temperature of the refrigerant leaving the indoor coil to maintain a correct superheat operation Please refer to the troubleshooting section for error codes generated by a sensor fault ...

Page 90: ...ive coefficient thermistor that decrease in resistance as the temperature increases The sensors are used to monitor the temperature of the refrigerant leaving the EEV to maintain a correct superheat operation Please refer to the troubleshooting section for error codes generated by a sensor fault ...

Page 91: ...n The exhaust temperature sensor monitors the refrigerant discharge temperature and will send information to the inverter control board for system operation The following actions can occur Exhaust Temperature 208 F Compressor will not rise above present level Exhaust Temperature 217 F Compressor will run at reduced frequency Exhaust Temperature 194 F Compressor off for 3 minutes minimum the compre...

Page 92: ...crease in resistance as the temperature increases This sensor will monitor the temperature of the outdoor air The reading will be used by the inverter board to adjust frequency calculations Error Code F3 will be generated if the sensor is open or shorted Please refer to the troubleshooting section for more detailed information ...

Page 93: ... communication line failure main PCB failure interfere source con nect line wrong Stop for compressor overload protection H3 blink 8 times compressor shell over heat less re frigerant capillary blocked up Overload protection H4 blink 6 times ambient temperature is abominable heat exchanger blocked up Stop for IPM module protection H5 blink 4 times IPM module over heat low voltage DC motor indoor u...

Page 94: ...5 times terminal connect not reliable tem perature sensor malfunction Outdoor exhaust temperature sensor malfunction F5 blink 7 times terminal connect not reliable temperature sensor malfunc tion Automatic defrosting H1 blink 2 times H1 is not error code it is normal operation just heat pump has this function REMARK 1 Error codes only can be seen in the type which has the temperature display PCB m...

Page 95: ...out door fan stop while indoor fan operates 1 Poor air return in indoor unit 2 Fan speed is abnormal 3 Evaporator is dirty System block or refrig erant leakage E3 Off 3S and blink 3 times Off 3S and blink 9 times The Dual 8 Code Display will show E3 until the low pressure switch stop operation 1 Low pressure protection 2 Low pressure protection of sys tem 3 Low pres sure protection of compressor H...

Page 96: ...s while indoor fan motor operates During heating operation the complete unit stops Replace outdoor control panel AP1 Limit decrease frequency due to high temperature of module EU Off 3S and blink 6 times Off 3S and blink 6 times All load operate normally while operation frequency for compressor is decreased Discharging after the complete unit is de energized for 20 mins check on wheth er the therm...

Page 97: ...g drying internal fan motor stops operation while other loads stop operation heating AC stop operation 1 Loosening or bad contact of indoor evaporator temp sensor and mainboard terminal 2 Compo nents on the main board fall 3 Indoor evaporator temp sensor damaged 4 Mainboard damaged Outdoor ambient temperature sensor is open short circuited F3 Off 3S and blink 3 times Off 1S and blink 6 times Durin...

Page 98: ...ue to overload F6 Off 3S and blink 6 times Off 1S and blink 3 times All loads operate normally while operation frequen cy for compressor is decreased Refer to the mal function analysis overload high tem perature resistant Decrease fre quency due to overcurrent F8 Off 3S and blink 8 times Off 1S and blink 1 times During cooling and drying operation compressor will stop while indoor fan will operate...

Page 99: ...rmal theres malfunction for the circuit please replace the control panel AP1 Voltage of DC bus bar is too low PL Off 3S and blink 21 times Off 3S and blink 12 times During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation 1 Measure the voltage of position L and N on wiring board XT if the voltage is higher...

Page 100: ...ing during mid dle cooling or middle heating test Overcurrent protection of phase current for compres sor P5 Off 3S and blink 15 times During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the complete unit will stop operation Refer to malfunction analysis Charging malfunction of capacitor PU Off 3S and blink 17 times During cooling and dry...

Page 101: ...e quency due to high tempera ture resistant during heat ing operation H0 Off 3S and blink 10 times All loads operate normally while operation frequency for compressor is decreased Refer to the mal function analysis overload high temperature resis tant Static dedust ing protection H2 Off 3S and blink 2 times Overload protection of compressor H3 Off 3S and blink 3 times Off 1S and blink 8 times Duri...

Page 102: ...ternal motor fan motor do not operate H6 Off 3S and blink 11 times Internal fan mo tor external fan motor compressor and electric heater stop operation guide louver stops at present location 1 Bad contact of DC motor feed back terminal 2 Bad contact of DC motor control end 3 Fan motor is stalling 4 Motor malfunction 5 Malfunction of mainboard rev detecting circuit Desynchro nizing of compressor H7...

Page 103: ...ents when detect high power Indoor unit and outdoor unit doesn t match LP Off 3S and blink 19 times Off 3S and blink 16 times Compressor and Outdoor fan motor can t work Indoor unit and outdoor unit doesn t match Failure start up LC Off 3S and blink 11 times During cooling and drying operation compressor will stop while indoor fan will operate During heating operation the com plete unit will stop ...

Page 104: ...r units control panel AP1 please replace the outdoor units con trol panel AP1 The four way valve is abnor mal U7 Off 3S and blink 20 times If this malfunction occurs during heating operation the complete unit will stop opera tion 1 Supply volt age is lower than AC175V 2 Wiring terminal 4V is loosened or broken 3 4V is damaged please replace 4V Zero crossing malfunction of outdoor unit U9 Off 3S an...

Page 105: ...of display status and during blinking ON 0 5s and OFF 0 5s Operation Cool Heating Yellow Red Green Frequency limiting module tem perature LC Off 1S and blink 11 times Normal com munication Off 0 5S and blink once Defrosting Off 3S and blink on ce during blinking ON 10S and Off 0 5S Off 3S and blink twice Defrosting will occur in heating mode Compressor will operate while indoor fan will stop opera...

Page 106: ...d unit heating radiat ing ambient is poor Ambient temp is too high Anti freez ing protec tion E2 OFF 3S and blink twice n o n o Cooling de humidifying compressor outdoor fan motor will stop running indoor fan motor will keep running 1 Poor indoor unit air return ing 2 Indoor fan motor rotating speed abnormal 3 Evaporator is dirty Compressor air exhaust high temp protection E4 OFF 3S and blink 4 ti...

Page 107: ... tion E8 OFF 3S and blink 8 times n o n n Cooling com pressor will stop indoor fan motor works Heating all will stop Please refer to troubleshoot ing Indoor unit motor no feedback H6 OFF 3S and blink 11 times Whole unit will stop to run 1 Poor insert for GPF 2 Indoor control board AP1 malfunc tion 3 Indoor motor M1 malfunction Jump wire cap mal function protection C5 OFF 3S and blink 15 times Whol...

Page 108: ...unning others will stop to run Heating all stop running 1 Room tem perature sensor hasn t been connected well with indoor units control panel AP1 refer to the wiring diagram for indoor unit 2 Room temperature sensor is dam aged please refer to the resistance table of temperature sensor Outdoor am bient sensor circuit open circuit short F3 OFF 3s and blink 3 times o o n Cooling dehu midifying ex ce...

Page 109: ...times o o o Cooling dehu midifying ex cept the indoor fan motor is running others will stop to run Heating all stop running Outdoor tem perature sensor hasn t been connected well or is damaged Please check it by referring to the resistance table for the temperature sensor Outdoor air exhaust sensor open circuit short circuit F5 OFF 3s and blink 5 times o o o During cooling and drying operating com...

Page 110: ...r is running frequency descending 1 Input power supply is too low 2 System voltage is too high over is too much Air ex haust over high need frequency descending F9 OFF 3S and blink 9 times n n o o Overload nor mal operation compressor is running frequency descending 1 Overload is too much ambi ent temp is too high 2 Refrig erant is short 3 Electric expan sion malfunction DC bus bar voltage is too ...

Page 111: ... has malfunction replace the outdoor unit AP1 Compres sor current overcurrent protection P5 OFF 3S and blink 15 times o o o Cooling dehumidifying compressor stop running Fan motor works Heating all will stop Please refer to troubleshoot ing Defrosting H1 OFF 3S and blink once Under the heating mode compressor running in door outdoor fan motor stop working It is normal function Electrostatic dedust...

Page 112: ...nning Fan motor works Heating all will stop Please refer to trouble shooting IPM protec tion H5 OFF 3S and blink times n o n n Cooling dehumidifying compressor stop running Fan motor works Heating all will stop Please refer to trouble shooting PFC protec tion HC OFF 3S and blink 6 times o n Compressor lose steps H7 OFF 3S and blink 7 times o n Heating an ti high temp declines H0 OFF 3S and blink 1...

Page 113: ...nd blink 20 times o n n n Low DC Bus voltage pro tection PL OFF 3S and blink 21 times o n n o IPM temp is too high limit decrease frequency EU n n n Four way valve abnor mal U7 n o o Outdoor unit zero cross de tecting error U9 n n o Anti freezing limit decrease frequency FH n n n o All loads work nor mally but the running frequency limited or decrease Indoor unit air return is poor or fan speed is...

Page 114: ...nd outdoor fan stop while indoor fan operates 1 Poor air return in indoor unit 2 Fan speed is abnormal 3 Evap orator is dirty System block or refrigerant leakage E3 Off 3S and blink 3 times Off 3S and blink 9 times The Dual 8 Code Display will show E3 until the low pressure switch stop operation 1 Low pressure protection 2 Low pressure pro tection of system 3 Low pressure protection of com pressor...

Page 115: ...s During cooling operation com pressor stops while indoor fan motor operates During heating operation the complete unit stops Refer to the mal function analysis EEPROM malfunction EE Off 3S and blink 15 times Off 3S and blink 15 times Off 3S and blink 11 times During cooling operation com pressor stops while indoor fan motor operates During heating operation the complete unit stops Replace outdoor...

Page 116: ...ant the system will be forced to run under cooling mode for gather ing refrigerant Nominal cooling mode Indoor ambi ent tempera ture sensor is open short circuited F1 Off 3S and blink 1 times During cooling and drying oper ating compressor stops while indoor fan operates During heating operation the complete unit will stop operation 1 Loosening or bad contact of indoor evapora tor temp sensor and ...

Page 117: ...rying oper ating compressor stops while indoor fan operates During heating operation the complete unit will stop operation Outdoor tempera ture sensor hasn t been connected well or is dam aged Please check it by referring to the resistance table for tempera ture sensor Outdoor discharge temperature sensor is open short circuited F5 Off 3S and blink 5 times Off 3S and blink 7 times During cooling a...

Page 118: ...y for compressor is decreased Overload or temperature is too high Refrigerant is insufficient Malfunction of electric expansion valve EKV Limit decrease fre quency due to anti freezing FH Off 3S and blink 2 times Off 3S and blink 2 times Off 3S and blink 4 times All loads operate normally while operation frequen cy for compressor is decreased Poor air return in indoor unit or fan speed is too low ...

Page 119: ...age is higher than 150VAC turn on the unit after the supply voltage is increase to the normal range 2 If the AC input is normal measure the voltage of electrolytic capac itor C on control panel AP1 if its normal theres malfunction for the circuit please replace the control panel AP1 Compressor Min frequen cy in test state P0 blinking in cool mode ON 0 25s and OFF 0 25s blinking in heat mode ON 0 2...

Page 120: ...pres sor P5 Off 3S and blink 15 times During cooling and drying oper ation compressor will stop while indoor fan will operate During heating operation the complete unit will stop opera tion Refer to malfunc tion analysis Charging malfunction of capacitor PU Off 3S and blink 17 times During cooling and drying oper ation compressor will stop while indoor fan will operate During heating operation the...

Page 121: ...of outdoor control panel AP1 is suffi cient and whether the radiator is inserted tightly If its no use please replace control panel AP1 Decrease fre quency due to high tempera ture resistant during heat ing operation H0 Off 3S and blink 10 times All loads operate normally while operation frequen cy for compressor is decreased Refer to the mal function analysis overload high temperature resis tant ...

Page 122: ...ternal motor fan motor do not operate H6 Off 3S and blink 11 times Internal fan mo tor external fan motor compressor and electric heater stop operation guide louver stops at present location 1 Bad contact of DC motor feed back terminal 2 Bad contact of DC motor control end 3 Fan motor is stalling 4 Motor malfunction 5 Malfunction of mainboard rev detecting circuit Desynchro nizing of compressor H7...

Page 123: ...Outdoor fan mo tor will stop 30s later 3 minutes later fan motor and compressor will restart To protect the electronic compo nents when detect high power Indoor unit and outdoor unit doesn t match LP Off 3S and blink 19 times Off 3S and blink 16 times Compressor and Outdoor fan mo tor can t work Indoor unit and outdoor unit doesn t match Failure start up LC Off 3S and blink 11 times During cooling...

Page 124: ... times During cooling and drying oper ation compressor will stop while indoor fan will operate During heating operation the complete unit will stop opera tion Theres circuit malfunction on outdoor units control panel AP1 please replace the outdoor units con trol panel AP1 The four way valve is abnor mal U7 Off 3S and blink 20 times If this malfunction occurs during heating operation the complete u...

Page 125: ...s and OFF 0 5s Operation Cool Heating Yellow Red Green Compressor is open cir cuited L9 Off 3S and blink once The tem perature for turning on the unit is reached LP Off 3S and blink 8 times Frequency limiting module tem perature LC Off 3S and blink 11 times Normal com munication continu ously Defrosting Off 3S and blink once Off 3S and blink twice Defrosting will occur in heating mode Compres sor ...

Page 126: ...ing or heating current dropped frequency current Exhaust protection Red indicator blinks twice Red indicator blinks 3 times Exhaust temp dropped frequency current Tube temp dropped frequency current Red indicator blinks 5 times Red indicator blinks 6 times Red indicator blinks 4 times Outdoor temp sensor malfunction Outdoor amb sensor malfunction T tube in dropped frequency current Red indicator b...

Page 127: ...frigerant blockage of capillary and increase of suction temp improper running of compressor burning in or stuck of bearing damage of discharge valve malfunction of pro tector Processing method adjust refrigerant amount replace the capillary replace the compressor use universal meter to check if the contactor of compress or is fine when it is not over heated if not replace the protector 6 System ma...

Page 128: ...No No No No Is voltage within 10 or nameplate rating Use AC voltmeter to check proper voltage on terminals L N on the terminal board Voltage should be within 10 of voltage on nameplate Is the reactor L correctly connected Check for damaged reactor Is fault corrected Power off unit for 20 minutes then use DV voltmeter to measure the two leads on the capacitor until the voltage is 20v Use a DC voltm...

Page 129: ...place remote controller batteries Remote controller malfunction Press the Auto button If no response check for proper voltage and connections If there is a response check for defective remote controller or indoor receiver Indoor receiver defective Circuit breaker tripping Breaker trips immediately Check for shorted wires reactor or AP2 board Breaker trips within minutes of turning on Individual co...

Page 130: ...gerant flow Refrigerant circuit has a leak Check system for leaks following procedure explained in the Charging section of this manual Leak between valves inside compressor Replace compressor Internal leaking of 4 way valve Replace 4 way valve Blockage of refrigerant flow Observe the temperature of refrigerant lines for proper flow Outdoor temperature too high Check for proper outdoor unit locatio...

Page 131: ...eshooting Is outdoor temperature above 127 0 F Normal protection outdoor ambient is higher than normal parameters Yes Remove power then restart after 20 minutes Are indoor and outdoor coils clean and free from obstructions Are indoor and outdoor fans operating properly Replace AP1 control board End Troubleshooting Clean Coils 1 Check fan for obstruction 2 Check resistance of fan leads and voltage ...

Page 132: ...not balanced restart it after 3 minutes Are the wire connections on the compressor connected properly Eliminate the malfunction Yes No No Yes Reconnect the wires according to the wiring diagram No Yes Is the unit overcharged Eliminate the malfunction Charge the unit according to the Charging section of this manual Replace the outdoor main board Eliminate the malfunction Replace the compressor End ...

Page 133: ...circuit or damaged Motor winding open Incorrect wiring or bad connection Compressor runs outdoor fan will not Replace capacitor Fan capacitor has open circuit or damaged Replace capacitor Check for proper voltage of power module replace module if input is OK and output is incorrect Repair connection wire per schematic Open or shorted capacitor Improper voltage Incorrect wiring or bad connection Ou...

Page 134: ...rge per instructions Incorrect refrigerant charge Replace swing motor Repair connections Replace control board The toque of the swing motor not sufficient Poor or wrong connection The controller is damaged Indoor swing motor inoperative Correct wiring Replace control board Adjust temperature setting Incorrect power wiring Damaged main control board Improper setting of temperature Outdoor unit and ...

Page 135: ... support washer of compressor and tighten screws Reroute and adjust the tubing Foreign object in indoor unit Compressor vibrating or shaking Outdoor tubing touching Abnormal sound and or shake Tighten and adjust Indoor fan loose or hitting sides Adjust plates isolate with insulation Inner plates touching Adjust louver Outdoor louver touching outer case Replace compressor Abnormal sound inside comp...

Page 136: ...ting at correct speeds Check fan settings and controller board Improper voltage Measure incoming power Should be within 10 of nameplate Incorrect refrigerant charge Refer to charging procedures check for leaks if charge is low Refrigerant must be weighed in by using a charging scale pressure charts are not available Poor component wiring connections Check U V W wire connections as well as all powe...

Page 137: ...alve connected well Check the coil of the electronic expansion valve per instructions in this manual Replace if faulty Eliminate the malfunction Check the refrigerant status if there is leakage recharge according to this service manual End Troubleshooting Yes No Yes No Check the resistance between the two ends of the overload protector in ambient temperature Is the resistance below 1K Eliminate th...

Page 138: ...longer than 3 minutes Is the malfunction corrected Reconnect wire properly Is the wiring of the compressor properly connected Is the electronic expansion valve faulty Replace outdoor main board Is the malfunction corrected Replace the compressor End Troubleshooting Is the malfunction corrected Yes Replace the Electronic expansion valve Yes Yes Yes Yes Yes No No No No No ...

Page 139: ...ing during operation Is the outdoor fan working properly Replace fan motor Replace the fan capacitor Is outdoor fan blade restricted Replace the AP1 board Is the malfunction corrected Replace the compressor End Troubleshooting Yes Yes Yes No No No Check fan terminal connections No Remove restriction ...

Page 140: ...oard Error Code Diagnostics C5 Error Code Start Troubleshooting Is there a jumper cap on the controller Install a matching jumper cap End Troubleshooting Yes No Re insert the jumper cap Is system operating properly No Yes Yes No Is the jumper cap inserted correctly Yes Is system operating properly Replace the jumper cap Is system operating properly Replace the main control board Yes No Yes ...

Page 141: ...se on IPM module of the outdoor control board and that is seated tightly 2 Faulty control board replace Decrease in Frequency due to over heating of Module Status All units operate with decrease in capacity Decrease frequency due to anti freezing Status All units operate with decrease in capacity 1 Poor air return in indoor unit 2 Fan speed too slow E2 1 Poor air return in indoor unit 2 Fan speed ...

Page 142: ...barrier Measure the fan motor input Measure swing motor signal input Refer to care and maintenance Replace pressure switch Check inlet and outlet of main pipes connecting each indoor unit and capillary of indoor and outdoor units Replace the parts such as filter etc as needed High Pressure Protection Verify high pressure with gauge Check mode of indoor unit setting Check if gas and liquid valves a...

Page 143: ... motor input Measure swing motor signal input Refer to care and maintenance Check inlet and outlet of main pipes connecting each indoor unit and capillary of indoor and outdoor units Replace the parts such as filter etc as needed Low Pressure Protection Verify low pressure with gauge Check if the refrigerant is sufficient Check if gas and liquid valves are open Check if panel of outdoor unit is fi...

Page 144: ...of outdoor unit 4 Follow Troubleshooting procedure Error Code Diagnostics E4 Error Code High Discharge Temperature Protection of Compressor Start Troubleshooting Has the compressor discharge temperature reached 239 0 F Yes Check the system for refrigerant leaks Repair evacuate and charge per instructions in Charging section Is resistance of temperature sensor correct Replace sensor No No Replace t...

Page 145: ...ils are dirty 4 Improper refrigerant charge Fault Status Possible Causes Start Troubleshooting Check if compressor s connection line is properly connected Yes Check if current value is higher than the protectors setting Adjust compressor s connection line No Replace overcurrent protector No Yes Is units high pressure normal Refer to high pressure protection error No Yes Check if unit voltage is no...

Page 146: ...ilure of some indoor units Replace outdoor main board End Troubleshooting Are all connections correct Did this correct the problem Yes Yes Yes No De energize check the wire connections of indoor and outdoor units and power to outdoor unit Correct connections The malfunction indoor unit resumes normal De energize change the communication wire of the working communication indoor unit and malfunction...

Page 147: ... filter board for correctness No Replace the outdoor main board Are all connections correct Did this correct the problem Yes No Correct connections No Are all connections correct Did this correct the problem Yes No Correct connections No No Is the connection wire broke Check to see if there is power input between the neutral wire and live wire of the outdoor main board Check the input power The ma...

Page 148: ...protector positioned and wired correctly No Correct wiring problem Are the wires to the expansion valve connected per the wiring diagram No Resistance between the first 4 pins and the 5th pin should be less than 100 ohms Replace coil of electronic expansion valve Under normal ambient conditions is the resistance of the overload less than 1000 ohms Replace Overload No Is system operating normal Che...

Page 149: ...tus Cooling operation compressor stops while indoor fans runs Heating operation complete unit stops 1 Loose or bad contact of outdoor temperature sensor 2 Sensor wire leads not properly connected 3 Faulty sensor check readings with charts 4 Main circuit board defective Outdoor Mid Coil condenser temperature sensor is open or short circuited Status Cooling operation compressor stops while indoor fa...

Page 150: ...wire or sensor Do the temperature sensor readings compare to the resistance table in the Appendix Insert the plug correctly Yes Is problem corrected No Replace sensor or correct wire problem Yes Is problem corrected No Replace the sensor with appropriate part number No Is problem corrected Yes Replace the controller with the same part number End Troubleshooting Yes Yes ...

Page 151: ...ing procedures Fault Status Possible Causes Decrease frequency due to overcurrent Status All systems operate normal with decrease in capacity 1 Input voltage too low 2 System pressure is too high Decrease frequency due to high discharge air Status All systems operate normal with decrease in capacity 1 Cooling load is too great 2 Outdoor ambient too high 3 Refrigerant undercharge 4 Electronic expan...

Page 152: ...ected properly Charge Unit according to service manual Repair Connection Is unit operating properly No Does unit startup normally No Is problem corrected Yes Replace the controller AP1 End Troubleshooting Yes Yes Lc Start up Failure Yes Is refrigerant charge correct Replace Compressor No No No Compressor Wires ...

Page 153: ... to circuit diagram Yes No Yes Is problem corrected No Check wiring of the reactor L and PFC capacitor Outdoor Unit Are wires connected proper with no short circuits Are wires connected proper with no short circuits Remove the PFC Capacitor and test resistance of the two terminals Is the resistance about zero Replace the capacitor Yes Is problem corrected Yes No No Disconnect the reactor wires mea...

Page 154: ...le Causes Normal function Defrosting Status Defrosting will occur in heating mode Compressor will operate while indoor fan stops Overload Protection for Compressor Status During cooling mode compressor will stop indoor fan will run Heating mode all units stop 1 Wiring terminal OVC COMP is loose In normal state the resistance should be less than 1 ohm 2 Refer to E4 troubleshooting procedures H0 H1 ...

Page 155: ... will run Heating mode all units stop H5 Are the compressor terminal connected properly Yes Correct wiring problem No Replace Compressor Is the resistance normal No End Troubleshooting Yes Start Troubleshooting after unit is powered off for 3 minutes Test the isolation impedance between the three phases of the compressor and copper tubing No Check the compressor winding resistance Is the resistanc...

Page 156: ... Compressor Replace Control Board AP1 No End Troubleshooting Desynchronizing of compressor Status During cooling mode compressor will stop indoor fan will run Heating mode all units stop 1 Check the resistance of the compressor terminals and connections to the compressor 2 Check for overcharge of refrigerant 3 Check for correct voltage 4 Check for dirty coils and filters Troubleshooting Procedure ...

Page 157: ... Heating mode all units stop 1 Check the resistance of the compressor terminals and connections to the compressor 2 Check for overcharge of refrigerant 3 Check for correct voltage Troubleshooting Procedure for Synchronizing Fault During Operation Yes Wire per diagram Replace Fan Capacitor C1 Yes Fan Operating Properly Yes Replace Outdoor Fan Motor Yes Improve airflow Yes No Is unit overcharged Rep...

Page 158: ...ndoor fan will run Heating mode all units stop U9 U1 1 Supply voltage is unstable DC Bus Bar Voltage Unstable Status During cooling mode compressor will stop indoor fan will run Heating mode all units stop U3 1 Replace outdoor control panel AP1 Circuit Board Malfunction on Outdoor Unit Status During cooling mode compressor will stop indoor fan will run Heating mode all units stop U5 1 Supply volta...

Page 159: ...Measure the voltage on L N on line voltage if it is lower then 200vac correct incoming voltage 2 If AC voltage is normal measure the voltage on the electrolytic capacitor on control panel AP1 if it is normal replace the AP1 board Low DC Bus Bar Voltage Status During cooling mode compressor will stop indoor fan will run Heating mode all units stop PL 1 Refer to H7 troubleshooting Overcurrent Protec...

Page 160: ...1 minute Use a DC voltmeter to measure the voltage across the terminals of the electrolytic capacitor Yes Check if the inductor wiring is loose or induction is cut off No Shut down power and wait 20 minutes or connect a DC voltmeter to the electrolytic capacitor until the voltage is less than 20 v Voltage higher than 100v Yes End Troubleshooting Replace the inductor or reconnect wires No Is the ma...

Page 161: ...e panel Loosen the clasp of the filter pushing the filter inward and then lift it upward to remove Remove axial sleeve of horizontal louver Bend the louver outwards and then remove the louver Loosen the screws of the electric box cover 2 then remove cover 2 Open the screw cap on the front of the case then remove the screws holding the front case Remove the six clasps of the front case then remove ...

Page 162: ... wire and evaporator Loosen the clasp at the joint of the electric box cover and electric box Remove the two screws on the display Remove the electric box assembly 4 Remove electric box assembly Remove the screws of the press plate of the con necting pipe Remove press plate of the connecting pipe Remove the three screws at the joint of the evapo rator and rear case Adjust slightly the pipe on the ...

Page 163: ...d before starting disassembly Step1 Remove the screws of step motor and then re move the motor Remove the screw of the motor press plate and then remove the press plate Remove the screws at the joint of the cross flow blade and the motor Take down the motor Step 2 Remove the cross flow blade 6 Remove motor and axial flow blade ...

Page 164: ... the rotor shaft on both sides of the panel to make it separate from the groove Remove the panel Remove connecting screws connecting the top cov er plate with the front panel and the right side plate and then remove the top cover Remove connection screws between the front grille and the front panel Then remove the front grille 1 Remove panel 2 Remove top cover 3 Remove front grille ...

Page 165: ...ws connecting the front panel with the chassis and the motor support and then remove the front panel Remove connection screws connecting the right side plate with the valve support and the electric box Then remove the right side plate Remove the nut attached to the blade and then remove the axial flow blade 4 Remove front panel 5 Remove right side plate 6 Remove axial flow blade ...

Page 166: ...rews fixing the motor support Lift motor support to remove it Remove the two screws attached to the cover of the electric box Lift to remove the cover Loosen the wire and disconnect the terminal Lift to remove the electric box assembly Loosen the screws of the clapboard sub assembly The clapboard sub assembly has a hook on the lower side Lift and pull the clapboard sub assembly to remove 7 Remove ...

Page 167: ...the 4 way valve assembly with wet cotton and unsolder the four weld spots connecting the 4 way valve assem bly to take it out Note Refrigerant should be dis charged first Welding process should be as quickly as possible and keep wrapping wet cotton all the time Be sure not to burn out the lead out wire of compressor Remove the three footing screws of the compressor and remove the compressor 10 Rem...

Page 168: ...the clasp of the filter Push the filter inward and then draw it upward to remove it Remove axial sleeve of horizontal louver Bend the louver outwards and then remove the louver Loosen the screws of the electric box cover 2 with screwdriver Remove the electric box cover 2 Open the screw cap on the front case Remove the screws fixing the front case Loosen the six clasps of the front case Remove the ...

Page 169: ...ire and evaporator Loosen the clasp at the joint of the electric box cover and electric box Remove the two screws on the display Remove the electric box assembly Remove the screws of the press plate of the con necting pipe Remove press plate of the connecting pipe Remove the three screws at the joint of the evapo rator and rear case Adjust slightly the pipe on the evaporator Remove the evaporator ...

Page 170: ...r is disconnected before starting disassembly Remove the screws of step motor and then remove the motor Remove the screw of the motor press plate and then remove the press plate Remove the screws at the joint of the cross flow blade and the motor Take down the motor Remove the cross flow blade 6 Remove Panel ...

Page 171: ...remove them Remove screws connecting the top cover plate with the front panel and the right side plate and then remove the top cover 1 Remove cable plate and valve cover 2 Remove top cover Remove screws holding reactor sub assembly and then pull the reactor sub assembly upwards to re move it Remove screws on the reactor sub assem bly cover and then remove the reactor 3 Remove reactor sub assy ...

Page 172: ...t grille and the front panel Then remove the front grille Remove screws connecting the front panel with the chassis and the motor support and then remove the front panel 4 Remove front grille 5 Remove front panel Remove screws connecting the right side plate with the valve support and the electric box Then remove the right side plate 6 Remove right side plate ...

Page 173: ...g screws attached to the motor Pull out the lead wire and remove the motor Remove the two tapping screws attached to the mo tor support Lift motor support to remove it 7 Remove axial flow blade 8 Remove motor and support assy Remove the two screws attached to the cover of the electric box Lift to remove the cover Loosen the wire and disconnect the terminal Lift to remove the electric box assembly ...

Page 174: ... 4 way valve assem bly coil and remove the coil Wrap the 4 way valve assembly with wet cotton and unsolder the four weld spots connecting the 4 way valve assembly to take it out Note Refrigerant should be discharged first Welding process should be as quick as possi ble and keep wrapping wet cotton all the time Be sure not to burn out the lead wire of the compres sor 10 Remove clapboard sub assy 11...

Page 175: ... remove it Twist off the screws used for fixing the rear grill pull the rear grill upward to remove it Remove the screws connecting the front grille and the front panel Remove the front grille Remove the screws attaching the panel pull it upward loosen the clasp on the right side rotate it to the left and then remove the front panel 1 Remove top cover and rear grille 2 Remove front grille and fron...

Page 176: ... assembly loosen the wire bundle pull out the wiring terminals and then pull the electric box upwards to remove it Remove the nuts attaching the blade and then re move the axial flow fan Remove the four tapping screws fixing the motor disconnect the leading wire insert of the motor and then remove the motor Remove the two tapping screws fixing the motor support and then pull the motor support upwa...

Page 177: ...o reactor and then re move the reactor Remove screws attached to the isolation sheet and then remove the isolation sheet Discharge the refrigerant completely unsolder the pipeline connecting the compressor and the con denser assembly and then remove the 4 way valve assembly 5 Remove the reactor and isolation sheet 6 Remove f4 way valve assy and condenser ...

Page 178: ...efrigerant completely before un soldering When un soldering wrap the gas valve with a wet cloth completely to avoid damage to the valve cause by high temperature Remove the screws attached to the liquid valve and unsolder the welding joint connecting the liquid valve to the Y type pipe to remove the liquid valve Remove the screws attached to the valve support with the chassis sub assembly then rem...

Page 179: ...efore starting disassembly Remove the screws used for attaching the handle pull the handle upward to remove it Loosen the screws holding the valve cover and then remove the valve cover Remove the screws used for attaching the top cover pull the top cover upward to remove it 1 Remove top cover and handle ...

Page 180: ...he panel pull it up ward loosen the clasp on the right side and rotate it to the left and then remove the front panel Remove the screws connecting the right side plate with the chassis the valve support and the electric box and then remove the right side plate assembly Remove the screws connecting the left side plate and the chassis and then remove the left side plate assembly 2 Remove front grill...

Page 181: ...he blade and then remove the axial flow fan 4 Remove axial flow fan Remove the screws attached to the electric box sub assembly loosen the wire bundle pull out the wiring terminals and then pull the electric box upwards to remove it Remove the screws on fireproof electric box and then remove the fireproof electric box 5 Remove electric box and electric shield ...

Page 182: ...ched to the gas valve and unsolder the welding joint between the gas valve and the air return pipe to remove the gas valve NOTE Discharge the refrigerant completely be fore un soldering When un soldering wrap the gas valve with a wet cloth completely to avoid damage to the valve cause by high temperature Remove the screws attached to the liquid valve and unsolder the welding joint connecting the l...

Page 183: ...compressor and the con denser assembly and then remove the 4 way valve Remove the nuts on the compressor feet and then remove the compressor 10 Remove compressor Remove the four tapping screws attached to the motor Pull out the lead wire and remove the motor Remove the two tapping screws attached to the mo tor support Lift motor support to remove it 11 Remove motor and motor support 9 Remove 4 way...

Page 184: ... handle upward to remove it Loosen the screws attached to the valve cover and then remove it Remove the connecting screws connecting the top cover plate with the front panel and the right side plate and then remove the top cover 2 Remove top cover Remove the screws connecting the front grille and front panel Remove the front grille 3 Remove front grille 1 Remove handle and valve cover ...

Page 185: ...front side plate outer case and chassis and the remove the front side plate Remove screws connecting front panel chassis and motor support and then remove the front panel Remove screws connecting right side plate and chassis valve support and condenser and then remove the right side plate 5 Remove right side plate 4 Remove front side plate and front pane ...

Page 186: ...electric box cut off the tie line with scissors pull out the wiring terminal and then lift up the electric box to remove it Twist off the screws on fireproof electric box and then remove the fireproof electric box 7 Remove electric box and shield Remove the tapping screws connected to the motor pull out the pin of leading wire for motor and then remove the motor 8 Remove motor and motor support 6 ...

Page 187: ...wards and then remove the mo tor support Remove the screws connecting isolation sheet and end plate of condenser and chassis and then re move the isolation sheet 9 Remove isolation sheet Unsolder the pipe line between compressor con denser gas and liquid valve Then remove the 4 way valve Note release all refrigerant before un solder ing 10 Remove 4 way valve 8 Remove motor and motor support cont ...

Page 188: ...hen un soldering wrap the gas valve with a wet cloth completely to avoid damage to the valve cause by high temperature Remove the screws attached to the liquid valve and unsolder the welding joint con necting the liquid valve to the Y type pipe to remove the liquid valve Remove the three nuts on the compressor feet then remove the compressor 12 Remove compressor Remove the screws connecting the le...

Page 189: ...t unit shown other models may vary slightly Warning Wait 10 minutes after power is disconnected before starting disassembly Assembled indoor unit 1 Before disassembly Open the panel Loosen the clasps on the filter Remove filters 2 Remove filter ...

Page 190: ...r is disconnected before starting disassembly Remove two screws attached to display and then remove the display Pull the clasps at both sides slightly and then re move the panel 4 Remove panel Remove the axial bush on the horizontal louver and then remove the horizontal louver 5 Remove horizontal louver 3 Remove display ...

Page 191: ...s after power is disconnected before starting disassembly Remove screws connecting the top cover of the electric box Remove the top cover of electric box 6 Remove top cover of electric box Remove the screw caps on front case Remove the screws connecting the front case Remove the front case 7 Remove front case ...

Page 192: ... 10 minutes after power is disconnected before starting disassembly Remove grounding screws and then remove the grounding wire Loosen clasps at the left side of electric box Loosen clasps on the right side of the electric box Remove electric box cover 9 Remove electric box cover 8 Remove ground wire ...

Page 193: ...ry slightly Warning Wait 10 minutes after power is disconnected before starting disassembly Pull out the indoor temperature sensor 10 Remove temperature sensor Pull out six sockets on PCB board Pull out two screws on electric box Remove the electric box 11 Remove electric box ...

Page 194: ...l the water tray upwards and then remove the water tray Separate the connection pipe between indoor and outdoor units 13 Remove panel Remove two screws on pipe stopping plate for in door unit and then remove the pipe stopping plate 14 Remove horizontal louver 12 Remove display Remove two screws on damping board and then remove the damping board 15 Remove damping board ...

Page 195: ...ore starting disassembly Remove screws between evaporator and bottom case Turn over the indoor unit and adjust the pipe line to the position as shown by the broken line Lift up the evaporator and then remove the evapo rator 16 Remove evaporator Remove two screws on the motor connecting plate and then remove the plate 17 Remove motor bracket ...

Page 196: ...her models may vary slightly Warning Wait 10 minutes after power is disconnected before starting disassembly Remove screws attached to cross flow blade and motor Remove the motor sub assembly Separate two cross flow blade 18 Remove cross flow blade and motor ...

Page 197: ...lt unit shown other models may vary slightly Warning Wait 10 minutes after power is disconnected before starting disassembly Remove the rubber cushion on the cross flow blade Remove the rubber cushion from the base 19 Remove temperature sensor ...

Page 198: ...to remove the screws connecting the top panel and side panels Remove the top panel Loosen the screws attached to the valve cover and then remove the valve cover Loosen the screws connecting the front side panel mask and chassis Remove the front side panel Remove the screws connecting the grille and panel and then remove the grille 2 Remove grille 1 Remove top cover and front side plate ...

Page 199: ...before starting disassembly Remove the screws connecting the panel chassis and motor support with a screwdriver and then remove the panel Remove the screws connected to the guard grille and then remove the guard grille 4 Remove guard grille Remove the screws connected to the handle and then remove the handle 5 Remove handle 3 Remove panel ...

Page 200: ...e right side plate and chassis valve support and condenser and then remove the right side plate Remove the screws on electric box cover with a screwdriver and then remove the electric box cover Remove the screws on the electric box cut off the tie line with scissors or pliers pull out the wiring terminal and pull it upwards to remove the electric box 7 Remove electric box 6 Remove right side plate...

Page 201: ...screws between electric box 1 and left side plate with screwdriver pull it upwards to remove the electric box 1 Remove the screws connecting the left side plate and chassis with screwdriver and then remove the left side plate 8 Remove left side plate Remove the nuts on blade with a wrench and then remove the axial flow blade 9 Remove axial flow blade 7 Remove electric box cont ...

Page 202: ...ixing the motor pull out the pin of leading wire for motor and then remove the motor Remove the tapping screws fixing the motor support pull it upwards and then remove the motor support 11 Remove 4 way valve 10 Remove motor and motor support Unsolder the pipeline between compressor con denser gas and liquid valve and then remove the 4 way valve Note Release all refrigerant before un soldering ...

Page 203: ...g the soldering joint wrap the gas valve with wet cloth completely to avoid the damage to valve and release all refrigerant completely at first Unsolder the soldering joint between liquid valve and connection pipe of liquid valve and then remove the liquid valve Remove the three foot nuts on the compressor and then remove the compressor 13 Remove compressor Remove the screws connecting isolation s...

Page 204: ...tes after power is disconnected before starting disassembly Remove the screws connecting the support plate of condenser and condenser with screwdriver and then remove the support plate of condenser 16 Remove 4 way valve 15 Remove motor and motor support Pull it upwards to separate the chassis and condens er ...

Page 205: ... 45 113 0 6 529 97 206 6 1 103 6 21 2 66 88 46 114 8 6 278 98 208 4 1 071 5 23 0 63 46 47 116 6 6 038 99 210 2 1 039 4 24 8 60 23 48 118 4 5 809 100 212 0 1 009 3 26 6 57 18 49 120 2 5 589 101 213 8 0 98 2 28 4 54 31 50 122 0 5 379 102 215 6 0 952 1 30 2 51 59 51 123 8 5 197 103 217 4 0 925 0 32 0 49 02 52 125 6 4 986 104 219 2 0 898 1 33 8 46 6 53 127 4 4 802 105 221 0 0 873 2 35 6 44 31 54 129 2...

Page 206: ...122 251 6 0 547 19 66 2 19 63 71 159 8 2 523 123 253 4 0 532 20 68 0 18 75 72 161 6 2 439 124 255 2 0 519 21 69 8 17 93 73 163 4 2 358 125 257 0 0 505 22 71 6 17 14 74 165 2 2 28 126 258 8 0 492 23 73 4 16 39 75 167 0 2 206 127 260 6 0 48 24 75 2 15 68 76 168 8 2 133 128 262 4 0 467 25 77 0 15 77 170 6 2 064 129 264 2 0 456 26 78 8 14 36 78 172 4 1 997 130 266 0 0 44 27 80 6 13 74 79 174 2 1 933 1...

Page 207: ... 94 45 113 0 8 705 97 206 6 1 47 6 21 2 89 17 46 114 8 8 37 98 208 4 1 427 5 23 0 84 61 47 116 6 8 051 99 210 2 1 386 4 24 8 80 31 48 118 4 7 745 100 212 0 1 346 3 26 6 76 24 49 120 2 7 453 101 213 8 1 307 2 28 4 72 41 50 122 0 7 173 102 215 6 1 269 1 30 2 68 79 51 123 8 6 905 103 217 4 1 233 0 32 0 65 37 52 125 6 6 648 104 219 2 1 198 1 33 8 62 13 53 127 4 6 403 105 221 0 1 164 2 35 6 59 08 54 12...

Page 208: ...9 19 66 2 26 17 71 159 8 3 364 123 253 4 0 71 20 68 0 25 01 72 161 6 3 252 124 255 2 0 692 21 69 8 23 9 73 163 4 3 144 125 257 0 0 674 22 71 6 22 85 74 165 2 3 04 126 258 8 0 658 23 73 4 21 85 75 167 0 2 94 127 260 6 0 64 24 75 2 20 9 76 168 8 2 844 128 262 4 0 623 25 77 0 20 77 170 6 2 752 129 264 2 0 607 26 78 8 19 14 78 172 4 2 663 130 266 0 0 592 27 80 6 18 13 79 174 2 2 577 131 267 8 0 577 28...

Page 209: ...9 54 89 192 2 4 609 14 6 8 342 8 38 100 4 28 36 90 194 0 4 469 13 8 6 323 9 39 102 2 27 23 91 195 8 4 334 12 10 4 306 2 40 104 0 26 15 92 197 6 4 204 11 12 2 289 6 41 105 8 25 11 93 199 4 4 079 10 14 0 274 42 107 6 24 13 94 201 2 3 958 9 15 8 259 3 43 109 4 23 19 95 203 0 3 841 8 17 6 245 6 44 111 2 22 29 96 204 8 3 728 7 19 4 232 6 45 113 0 21 43 97 206 6 3 619 6 21 2 220 5 46 114 8 20 6 98 208 4...

Page 210: ...0 93 115 239 0 2 182 12 53 6 89 07 64 147 2 10 54 116 240 8 2 124 13 55 4 84 95 65 149 0 10 18 117 242 6 2 069 14 57 2 81 05 66 150 8 9 827 118 244 4 2 015 15 59 0 77 35 67 152 6 9 489 119 246 2 1 963 16 60 8 73 83 68 154 4 9 165 120 248 0 1 912 17 62 6 70 5 69 156 2 8 854 121 249 8 1 863 18 64 4 67 34 70 158 0 8 555 122 251 6 1 816 19 66 2 64 33 71 159 8 8 268 123 253 4 1 77 20 68 0 61 48 72 161 ...