Toshiba RAV-SP1100AT-E, Service Manual

Page 1: ...M1400UT E RAV SM561BT E RAV SM801BT E RAV SM1101BT E RAV SM1401BT E RAV SM561CT E RAV SM801CT E RAV SM1101CT E RAV SM1401CT E RAV SM560KRT E RAV SM800KRT E Service Manual No A02 013 A02 013 A03 003 A03 007 A03 007 A03 007 A03 007 A03 015 A03 015 A03 015 A03 015 A02 013 A02 013 R410A The type of all the indoor units described in this Service Manual is a new model RAV SP1100UT E only For the other i...

Page 2: ...12 4 WIRING DIAGRAM 16 5 SPECIFICATIONS OF ELECTRICAL PARTS 19 6 REFRIGERANT R410A 20 7 INDOOR CONTROL 28 8 OUTDOOR CONTROL 38 9 TROUBLESHOOTING 43 10 REPLACEMENT OF SERVICE INDOOR P C BOARD 66 11 SETUP AT LOCAL SITE AND OTHERS 70 12 ADDRESS SETUP 80 13 DETACHMENTS 84 CORD HEATER INSTALLATION WORK APPENDIX 1 ...

Page 3: ...Depth mm Total weight Main unit kg Ceiling panel Heat exchanger Fan Fan unit Standard air flow High Mid Low m h Motor W Air filter Controller Sold separately Gas side mm Connecting pipe Liquid side mm Drain port Nominal dia RAV SP1100UT E Zinc hot dipping steel plate RBC U21PG W E Moon white Muncel 2 5GY 9 0 0 5 319 840 840 35 950 950 26 4 5 Finned tube Turbo fan 1680 90 Attached ceiling panel RBC...

Page 4: ...e Refrigerant charged kg Refrigerant control Standard length m Max total length m Pipe Over Height difference Outdoor lower m Outdoor higher m Height mm Outer dimension Width mm Depth mm Total weight kg Heat exchanger Fan Fan unit Standard air flow High m h Motor W Connecting pipe Gas side mm Liquid side mm Protection device Sound level Cooling Heating dB A Note 2 RAV SP560AT E RAV SP800AT E Silky...

Page 5: ...pply Type Compressor Motor kW Pole Refrigerant charged kg Refrigerant control Standard length m Max total length m Pipe Over 30m Height difference Outdoor lower m Outdoor higher m Height mm Outer dimension Width mm Depth mm Total weight kg Heat exchanger Fan Fan unit Standard air flow High m h Motor W Connecting pipe Gas side mm Liquid side mm Protection device Sound level Cooling Heating dB A Not...

Page 6: ... 42 39 36 44 41 38 Indoor Unit Outdoor Unit Standard capacity Note 1 kW Energy consumption effect ratio Power supply Electrical Running current A characteristics Power kW consumption Power factor Sound level High Mid Low Indoor unit Note 2 dB A RAV SM561CT E RAV SM801CT E RAV SM1101CT E RAV SM1401CT E RAV SP560AT E RAV SP800AT E RAV SP1100AT E RAV SP1400AT E Cooling Heating Cooling Heating Cooling...

Page 7: ...ditions Indoor DB20 C Outdoor DB7 C WB6 C Air flow High Pipe length 7 5m 230V 0 20 40 60 80 Compressor speed rps 0 22 20 18 16 14 12 8 10 6 4 2 Current A Current A 0 20 40 60 80 Compressor speed rps 0 22 20 18 16 14 12 8 10 6 4 2 Conditions Indoor DB20 C Outdoor DB7 C WB6 C Air flow High Pipe length 7 5m 230V RAV SP800AT E RAV SP800AT E RAV SP560AT E RAV SP560AT E RAV SP1400AT E RAV SP1100AT E RAV...

Page 8: ...0 105 32 33 34 35 36 37 38 39 40 41 42 43 Outsoor temp C Capacity ratio Conditions Indoor DB27 C WB19 C Indoor air flow High Pipe length 7 5m 0 10 20 30 40 50 60 70 80 90 100 110 120 14 12 10 8 6 4 2 0 2 4 6 8 10 Outsoor temp C Capacity ratio Conditions Indoor DB20 C Indoor air flow High Pipe length 7 5m ...

Page 9: ... surface Ceiling panel sold separately 950 Panel external dimension 860 to 910 Ceiling opening dimension Electric parts box 227 D 88 C 97 35 227 480 840 Unit external dimension C 97 105 105 Ø162 Ø162 130 105 250 270 70 30 173 113 45 105 130 210 Ceiling bottom surface Knockout square hole for divide duct for Ø150 2 positions Knockout square hole for divide duct For Ø150 Drain pipe connecting port S...

Page 10: ...erant pipe connecting port SP560AT E Ø12 7 Flare at gas side SP800AT E Ø15 9 Flare at gas side Discharge guide mounting hole 4 Ø4 Embossing 1 1 2 2 795 85 165 60 80 25 60 90 320 28 400 161 58 46 30 45 27 Space required for service 365 600 2 Ø12 x 17 U shape holes For Ø8 Ø10 Anchor bolt Suction port Discharge port Discharge port Minimum distance up to wall 2 Ø12 x 17 long hole For Ø8 Ø10 Anchor bol...

Page 11: ...id side Details of A legs Details of B legs Mounting bolt hole Ø12 x 17 Long hole Mounting bolt hole Ø12 x 17 U shape hole B legs Drain hole Ø20 x 88 Suction port Suction port Drain hole Ø25 Knockout Drain Knockout Drain Discharge port A legs Refrigerant pipe connecting port Ø15 9 Flare at gas side 365 600 2 Ø12 x 17 U shape holes For Ø8 Ø10 Anchor bolt Suction port Discharge port Discharge port M...

Page 12: ...er dia ØA Refrigerant pipe at liquid side Outer dia ØB Packed valve Outer dia ØA Packed valve Outer dia ØB Max 50m TS sensor Accumulator 1500cc TD sensor TO sensor TE sensor 4 way valve STF 0213Z Ø25 L160 Rotary compressor DA220A2F 20L Heat exchanger Ø8 1 row 30 stages FP1 3 flat fin Modulating PMV SKV 18D26 Capillary Ø3 Ø2 L530 Ø25 L210 Muffler R410A 1 5 kg Cooling Heating Pd Ps Standard Cooling ...

Page 13: ...d side Outer dia ØB Packed valve Outer dia ØA Packed valve Outer dia ØB Max 50m TS sensor Accumulator 1500cc TD sensor TO sensor TE sensor 4 way valve STF 0213Z Ø25 L160 Rotary compressor DA220A2F 20L Heat exchanger Ø8 2 row 30 stages FP1 3 flat fin Modulating PMV SKV 18D26 Capillary Ø3 Ø2 L530 Ø25 L210 Muffler R410A 2 1 kg Cooling Heating Pd Ps Standard Cooling Overload Low load Standard Heating ...

Page 14: ...ulator 2500cc Heat exchanger 2 row 52 stages Outside Ø8 FP1 3 flat fin Inside Ø9 52 FP1 5 flat fin PMV UKV 25D22 R410A 2 95kg Cooling Heating Muffler The refrigerating cycle of the indoor units differs according to the models to be combined For the refrigerating cycles of the other indoor units refer to the corresponding Service Manuals described in the list on the cover Standard Cooling Overload ...

Page 15: ...mulator 2500cc Heat exchanger 2 row 52 stages Outside Ø8 FP1 3 flat fin Inside Ø9 52 FP1 5 flat fin PMV UKV 25D22 R410A 2 95kg Cooling Heating Muffler The refrigerating cycle of the indoor units differs according to the models to be combined For the refrigerating cycles of the other indoor units refer to the corresponding Service Manuals described in the list on the cover Standard Cooling Overload...

Page 16: ...e circuit Motor drive circuit Power supply circuit DC20V DC15V DC12V DC7V Fuse F302 T3 15A 250V 1 2 1 2 3 3 1 2 1 2 3 3 1 2 3 4 4 5 5 DP CN333 WHI CN334 WHI CN68 BLU CN304 GRY 1 2 CN66 WHI CN41 BLU CN309 YEL CN50 WHI CN60 WHI 1 2 CN32 WHI 1 2 3 4 5 6 1 2 3 4 5 CN620 BLU 1 2 3 4 5 6 CN61 YEL CN67 BLK RED WHI BLK BLK BLK BLK P301 1 1 2 2 1 1 2 2 3 1 2 3 3 B A FAN DRIVE Wired Renote Controller CN1 WH...

Page 17: ...ROWN ORANGE YELLOW PURPLE 3 2 1 3 2 1 2 1 2 1 5 4 1 5 4 3 2 3 2 1 3 1 3 1 6 5 4 3 2 1 6 5 4 3 2 1 ORN ORN VARISTOR T02 CT G E A DB01 CONVERTER MODULE SURGE ABSORBER PHOTO COUPLER P C BOARD MCC 1359 SUB P C BOARD MCC 1398 F01 FUSE T3 15A F01 FUSE 25A CN01 CN02 P12 P09 P11 P13 P19 P18 P17 P20 P10 RY01 R05 R06 CN04 CN800 CN302 CN06 CN05 CN04 C13 CN03 CN02 CN01 CN702 THERMOSTAT FOR COMPRESSOR CN500 CN...

Page 18: ...5 CN04 ORN CN13 CN01 CN02 CN700 4 WAY VALVE 2 1 2 1 2 1 2 1 RED 3 3 3 3 WHI WHI GRY GRY WHI WHI WHI BLK RED RED GRN YEL 4 4 4 4 5 5 5 5 BLK 2 1 2 1 GRY 3 3 GRY P13 P12 2 1 2 1 3 3 4 4 5 5 2 1 2 1 3 3 FUN CIRCUIT FM01 FAN MOTOR CN302 CN303 CN702 2 1 2 1 3 3 4 4 5 5 2 1 2 1 3 3 FUN CIRCUIT SERIAL COMMUNICATION CIRCUIT FM02 FAN MOTOR SUB P C BOARD MCC 1398 P C BOARD MCC 1438 1 2 3 1 2 3 1 2 3 1 2 3 1...

Page 19: ...g Valve Reactor Type ICF 140 63 2 DA220A2F 20L CH 47 VHV 01AJ503C1 US 622 DKV M0ZS743B0 CH 43 Specifications Output Rated 63 W 3 phase 4P 2000 W 8 mH 16 A 10 kΩ at 25 C 10 kΩ at 25 C 10 kΩ at 25 C 50 kΩ at 25 C T3 15 A AC 250 V 25 A AC 250 V ON 90 5 C OFF 125 4 C 10 mH 1 A No 1 2 3 4 5 6 7 8 9 10 11 12 Parts name Fan motor Compressor Reactor Outdoor temp sensor To sensor Heat exchanger sensor Te s...

Page 20: ...e pressure in the refrigeration cycle may become abnormally high so that a rupture or personal injury may be caused 5 After completion of installation work check to make sure that there is no refrigeration gas leakage If the refrigerant gas leaks into the room coming into contact with fire in the fan driven heater space heater etc a poisonous gas may occur 6 When an air conditioning system charged...

Page 21: ...m thicknesses of socket joints Nominal diameter 1 4 3 8 1 2 5 8 Reference outer diameter of copper pipe jointed mm 6 35 9 52 12 70 15 88 Minimum joint thickness mm 0 50 0 60 0 70 0 80 6 2 2 Processing of Piping Materials When performing the refrigerant piping installation care should be taken to ensure that water or dust does not enter the pipe interior that no other oil other than lubricating oil...

Page 22: ...10A clutch type 0 to 0 5 0 to 0 5 0 to 0 5 0 to 0 5 Conventional flare tool Clutch type Wing nut type 1 0 to 1 5 1 5 to 2 0 1 0 to 1 5 1 5 to 2 0 1 0 to 1 5 2 0 to 2 5 1 0 to 1 5 2 0 to 2 5 Table 6 2 4 Dimensions related to flare processing for R22 Nominal diameter 1 4 3 8 1 2 5 8 Outer diameter mm 6 35 9 52 12 70 15 88 Thickness mm 0 8 0 8 0 8 1 0 A mm Flare tool for R22 clutch type 0 to 0 5 0 to...

Page 23: ...is the same as that for conventional R22 Incidentally when the torque is weak the gas leakage may occur When it is strong the flare nut may crack and may be made non removable When choosing the tightening torque comply with values designated by manufacturers Table 6 2 7 shows reference values NOTE When applying oil to the flare surface be sure to use oil designated by the manufacturer If any other...

Page 24: ...ging Refrigerant cylinder Leakage detector Charging cylinder Usage Pipe flaring Flaring by conventional flare tool Connection of flare nut Evacuating refrigerant charge run check etc Vacuum evacuating Refrigerant charge Refrigerant charge Gas leakage check Refrigerant charge R410A air conditioner installation Existence of Whether conven new equipment tional equipment for R410A can be used Yes Note...

Page 25: ...gas side Recover the refrigerant and check no refrigerant remains in the equipment For refrigerant charging see the figure below Connect the charge hose of the vacuum pump adapter Open fully both packed valves at liquid and gas sides Place the handle of the gauge manifold Low in the fully opened position and turn on the vacuum pump s power switch Then evacuating the refrigerant in the cycle When t...

Page 26: ...hor bronze brazing filler is generally used to join copper or copper alloy 3 Low temperature brazing filler Low temperature brazing filler is generally called solder and is an alloy of tin and lead Since it is weak in adhesive strength do not use it for refrigerant pipes Phosphor bronze brazing filler tends to react with sulfur and produce a fragile compound water solution which may cause a gas le...

Page 27: ...ithin the pipe the lubricating oil deteriorates Therefore use a flux which does not contain chlorine When adding water to the flux use water which does not contain chlorine e g distilled water or ion exchange water Remove the flux after brazing 6 5 3 Brazing As brazing work requires sophisticated techniques experiences based upon a theoretical knowledge it must be performed by a person qualified I...

Page 28: ... Power circuit DC5V CPU LCD driver Display LCD Function setup Key switch Weekly timer Secondary battery DC5V DC5V 3 CN2 CN1 A B 1 2 3 Outdoor unit Same as the left 2 2 A B 1 2 3 Outdoor unit Same as the left 2 Max 8 units are connectable 1 1 Max 7 units when network adapters are attached 2 Network adapters are attached to only one unit 3 Weekly timer is not connectable to the sub remote controller...

Page 29: ...or operation 1 Judge the selection of COOL HEAT mode as shown in the figure above When 10 minutes passed after thermostat had been turned off the heating operation Thermo OFF is exchanged to cooling operation if Tsh exceeds 1 5 or more COOL OFF and COOL ON in the figure indicate an example When 10 minutes passed after thermostat had been turned off the cooling operation Thermo OFF is exchanged to ...

Page 30: ...AUTO mode is performed by the command from the remote controller 2 When the air speed mode AUTO is selected the air speed varies by the difference between Ta and Ts COOL HH H L LL Air speed selection 4 5 Shift of suction tempera ture in heating operation Controlling operation in case when thermo of remote controller works is same as a case when thermo of the body works If the air speed has been ch...

Page 31: ...is turned off 4 If Ta 25 C when heating operation has started and when defrost operation has been cleared it operates with HIGH H mode or HH for 1 minute from when Tc has entered in E zone of cool air discharge preventive control Item 6 5 In automatic cooling heating operation the revolution frequency of HH is set larger than that in the standard cooling heating operation However the revolution fr...

Page 32: ...o 12 C until I zone is detected and the indoor fan operates with M mode In heating operation the freeze preventive control works if 4 way valve is not exchanged and the condition is satisfied However the temperature for J zone dashing control is changed from 2 C to 5 C 7 8 Freeze preven tive control Low tempera ture release Tcj Indoor heat ex changer sensor temperature High temp release control 1 ...

Page 33: ...peration the swinging positions can be set up collectively or individu ally 3 When the unit stops or when a warning is output the flap automatically moves downward 4 While the heating operation is ready the flap automatically moves upward 1 Flap position setup When the flap position is changed the position moves necessarily to downward discharge position once to return to the set position The flap...

Page 34: ... P C board switch S003 from OFF to ON Attach the sensor P C board cover and mount the adjuster with sensors to the ceiling panel Turn on the power of the set 3 Push ON OFF button of the wireless remote controller and set the operation mode to COOL or HEAT using MODE button During test run operation all the display lamps of wireless remote controller sensors flash Do not use other mode than COOL HE...

Page 35: ...not to lose the comfort ability according to input values of various sensors 3 Data Input value room temp Ta Outside temp To Air volume Indoor heat exchanger sensor temp Tc for 20 minutes are taken the average to calculate correction value of the setup temperature 4 The setup temperature is shifted every 20 minutes and the shifted range is as follows In cooling time 1 5 to 1 0K In heating time 1 5...

Page 36: ...on LED EEPROM Network adapter power supply Indoor Outdoor inter unit cable Remote controller power LED Drain pump output Remote controller inter unit cable EXCT Outside error input TC sensor TCJ sensor DISP CHK TA sensor Optional output Louver Float SW DC fan return DC fan output ...

Page 37: ...O cooling heating ON when operation mode is in heating system HEAT HEAT in AUTO cooling heating ON during indoor fan ON Air purifier is used Interlock cable When continued for 1 minute Check code L30 is output and forced operation stops Option error input is controlled Protective operation for device attached to outside is displayed Setting of option error input is performed from remote controller...

Page 38: ...he operation frequency when the dis charge temperature has not lower or the discharge temperature has rapidly risen during PMV control It subdivides the frequency control up to a unit of 0 6Hz to stabilize the cycle 2 When the discharge temperature is detected in an abnormal stop zone the unit stops the compressor and restarts after 2 minutes 30 seconds The error counter is cleared when it has con...

Page 39: ...40 840 250 270 270 300 350 410 470 530 590 670 750 860 860 860 860 250 280 330 390 450 510 570 650 730 840 840 840 840 At the activation time although the maximum fan tap in the following table are fixed for 60 seconds after then the fan may not rotate with high speed for several minutes because the fan is controlled by TE sensor value It is not an abnormal status When the discharge temperature se...

Page 40: ...6 Short intermittent operation preventive control The compressor may not stop for preventing the compressor for 3 to 10 minutes after start of the operation even if Thermo OFF signal has been received from the indoor This phenomenon is not abnormal Continuous operation time of the compressor differs according to the operating status If the equipment is stopped from the remote controller the operat...

Page 41: ...ure has become 12 C or more or it also is finished when condition of 7 C TE 12 C has continued for 1 minute The defrost operation is also finished when defrost operation has continued for 10 minutes even if TE sensor temperature has become 7 C or lower After defrost operation has finished the compressor and the outdoor fan start heating operation after stopped for approx 50 seconds Start of heatin...

Page 42: ... RAV SP1100AT E RAV SP1400AT E Pump down switch 4 way valve output 12V power supply PMV output Case thermo Contactor against night low noise 5V power supply TD sensor TO sensor TE sensor Communication between CDB and IPDU TS sensor Outdoor fan output Status display LED MCU GND Existing pipe corresponding switch SW 801 ...

Page 43: ...s not outside low temperature operation control work in cooling operation Is not defrost operation performed d ON OFF operation cannot be performed from remote controller Is not the control operation performed from outside remote side Is not automatic address being set up When the power is turned on at the first time or when indoor unit address setting is changed the operation cannot be performed ...

Page 44: ...error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Judgment and measur...

Page 45: ...layed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Judgment and measures 1 Check power voltage AC200V 20V 2 Overload operation of refrigerating cycle 3 Check ...

Page 46: ...ayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Displayed when error is detected Judgment and measures Remote controller power error Defective indoor EEPROM 1 Check remote controller inter unit cables 2 Check remote controller 3 Check indoor power cables 4 Check indoor P C board 5 Check ...

Page 47: ...thermo operation serial sending to the indoor unit is interrupted and a serial communication error is output CDB side IPDU side No 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 Item TE sensor error TD sensor error TS sensor error TO sensor error Discharge temp error Out DC fan error Communication error between IPDU Abnormal stop High pressure release operation EEPROM error Communication error between IPD...

Page 48: ... 6 7 8 9 10 11 12 13 14 15 16 Item TE sensor error TD sensor error TS sensor error TO sensor error Discharge temp error DC outdoor fan error Communication error between IPDU Abnormal stop High pressure release operation EEPROM error Communication error between IPDU No abnormal stop G Tr short circuit protection Detection circuit error Current sensor error Phase missing detection Comp lock error Co...

Page 49: ...ndoor units turned on Is power supplied to remote controller AB terminal Approx DC18V Are two remote controllers set without master unit Are two remote controllers set without master unit Correct inter unit cable of remote controller Correct connection of connector Check circuit cables Check power connection of indoor unit Turn on power again Check indoor P C board MCC 1402 Defect Replace Correct ...

Page 50: ...nter unit cables normal Are connections from connectors of inter terminal blocks 1 2 3 of indoor outdoor units normal Does voltage between 2 and 3 of inter terminal blocks 1 2 3 of indoor unit vary Is DC280V applied between terminals of electrolytic capacitor of IPDU main circuit Check indoor P C board MCC 1402 Defect Replace As shown in the following figure perform measurement within 20 seconds a...

Page 51: ...isplayed However if the above is detected during automatic address setup mode the check code may be displayed L09 error 46 error Is inter unit cable of A and B normal Is there no disconnection or contact error of connector on harness from terminal block of indoor unit Is group control operation Is power of all indoor units turned on Correct inter unit cable of remote controller Correct connection ...

Page 52: ...eck corresponding indoor outdoor units Check central controller including network adapter Defect Replace NO NO YES NO NO NO NO YES YES YES NO YES YES YES YES Are cable connections to communication line X Y normal Is indoor remote controller L20 displayed Is central controller 98 displayed Are outside devices of connector CN80 connected Is check code displayed on sub unit of main or sub remote cont...

Page 53: ...lace Check indoor P C board MCC 1402 Defect Replace Replace drain pump Check cabling Refer to Characteristics 1 NO NO NO NO NO YES YES YES YES YES Does float switch operate Does drain pump operate Is circuit cabling normal Is power of drain pump turned on Is connection of float switch connector Indoor control P C board CH34 normal NO YES Is connection of TA sensor connector indoor P C board CN104 ...

Page 54: ...on Rotate the fan slowly with hands and check the pin voltage swings between 0 to 5V voltage Between and 5V Check indoor P C board MCC 1402 Defect Replace Remove connectors CN333 and CN334 of indoor unit P C board MCC 1402 Replace indoor fan motor Replace indoor fan motor Replace indoor fan motor YES NO NO NO NO NO YES YES YES YES Turn off the power Is resistance value of fan motor connector CN333...

Page 55: ...he status that there is 5k to 20k resistance values between Yellow lead and Pink lead of motor position detection of connector CN300 CN302 is normal Normal fan motor CDB P C board Defective fan motor NOTE However GND circuit error inside of the motor is rarely detected even if the above check is carried out When the circuit does not become normal even if P C board has been replaced replace outdoor...

Page 56: ...valve Check indoor P C board Defect Replace Replace TC sensor Is operation of 4 way valve normal Is voltage applied to 4 way valve coil terminal in heating operation Is circuit cable normal Check CDB P C board Is flow of refrigerant by electron expansion valve normal Are characteristics of TC sensor resistance value normal Check and correct circuit Correct connection of connector Replace TC sensor...

Page 57: ...acteristics of TCJ sensor resistance value normal Refer to Characteristics 2 Is power voltage normal Is not AC fuse fused Check and correct circuit cables Correct connection of connector Check and correct reactor connection Are connections of cabling connector normal Does RY01 relay of IPDU operate Are not P26 and 14 errors output when an operation is performed by removing 3P connector of compress...

Page 58: ...ng shorted Is resistance between windings 0 6 to 1 2W Is compressor normal Is not earthed Is not winding opened Compressor error Replace Compressor error Replace Compressor error Replace Check and correct circuit cables Check and correct circuit cabling such as cabling to compressor Check IPDU P C board Defect Replace Check IPDU Defect Replace YES YES NO NO NO YES ...

Page 59: ...N600 normal Correct connection of connector Check control P C board Defect Replace Refer to Characteristics 4 YES NO Are characteristics of TD sensor resistance value normal Replace TD sensor YES NO Is connection of TO sensor connector of CDB CN601 normal Correct connection of connector Check CDB Defect Replace Refer to Characteristics 5 YES NO Are characteristics of TO sensor resistance value nor...

Page 60: ...essor lock Replace Check cabling between IPDU and CDB and connector IPDU P C board error Defect Replace IPDU P C board error Defect Replace Check TE and TS sensors Replace Check electron expansion valve Replace Is there no slackened refrigerant Does electron expansion valve normally operate Is power voltage normal Is compressor normal Are connections of cable connector normal Check and correct cir...

Page 61: ...it detected by current sensor normal Is protective control such as discharge temprelease control normal Are connections of cable connector normal Correct the cabling and connection of connector Improve and delete the cause Replace TD sensor Improve power line Improve and delete the cause Check and correct circuit cables Check CDB Defect Replace Check and correct the charged refrigerant amount Chec...

Page 62: ... sensor Defect Replace Correct connection of connector Check TE TC TS sensors Replace electron expansion valve Replace TD TO and TC sensors Check CDB Defect Replace Does cooling outdoor fan normally operate Does PMV normally operate Is fan motor normal Replace fan motor Correct coming off Are characteristics of TD TO TC sensor resistance values normal Check charged refrigerant amount Check liquid ...

Page 63: ...dapter P C board and connectors CN309 CN41 of indoor P C board MCC 1402 or MCC 1403 normal Check connections of A B terminal blocks Correct communication line of remote controller Check central controller Defect Replace Check indoor P C board MCC 1402 or MCC 1403 Defect Replace Check network adapter P C board and power transformer Defect Replace Is the network address changed form remote controlle...

Page 64: ...the indoor unit P C board during operation of the air conditioner Replace the service P C board If EEPROM has not been inserted when the power was turned on or if EEPROM data never be read written the automatic address mode is repeated In this time the central controller displays 97 error P31 error Sub indoor unit When the master unit of a group operation has detected E03 L03 L07 or L08 error the ...

Page 65: ...r Temperature C Resistance k 50 C or higher Resistance k 10 C or higher Caracteristics 4 Temperature C TC TCJ sensor TE TO TS sensor TD sensor TA sensor 20 10 0 10 20 40 30 50 200 100 20 10 0 0 10 0 10 20 40 30 50 60 70 40 30 20 10 0 0 10 10 30 20 40 50 60 70 200 100 20 10 0 0 50 100 9 4 2 Relational Graph of Temperature Sensor Resistance Value andTemperature ...

Page 66: ...ding to the following procedure After replacement check the indoor unit address and also the cycle by a test run REPLACEMENT PROCEDURE CASE 1 Before replacement power of the indoor unit can be turned on and the setup data can be readout from the wired remote controller Read EEPROM data 1 ref P67 ò Replace service P C board power ON 2 ref P67 ò Write the read data to EEPROM 3 ref P68 ò Power reset ...

Page 67: ... P C board In this time setting of jumper line cut or setting of short circuit connecting connectors on the former P C board should be reflected on the service P C board 2 According to the system configuration turn on power of the indoor unit with any method in the following items a In case of single individual operation Turn on the power supply 1 Wait for completion of automatic address setup mod...

Page 68: ...e DN 5 Using the timer time buttons set the capacity For example 0012 for class 80 Refer to the attached table 6 Push SET button OK when the display goes on 7 Push button to return the status to usual stop status 6 Approx 1 minute is required to start handling of the remote controller 5 Next write the contents which have been set up at the local site such as the address setup in EEPROM Repeat the ...

Page 69: ... of filter Central control address Heating suction temp shift Cooling only Type Indoor unit capacity Line address Indoor unit address Group address Flap type Adjustment of air direction Temp difference of automatic cooling heating selecting control points Automatic Restart of power failure Option Thermo output selection Option Sensor selection High ceiling selection Timer set Wired remote controll...

Page 70: ...and check that TEST on LC display has gone off To prevent a continuous test run operation 60 minutes timer release function is provided to this remote controller 11 1 2 Setup to Select Function Procedure Use this function while the indoor unit stops 1 Push SET and buttons concurrently for 4 seconds or more The unit No displayed at the first time indicates the indoor unit address of the master unit...

Page 71: ...6 0000 Heat pump 0001 Cooling only No display of AUTO HEAT 0000 Air discharge cassette 1 0001 Air discharge cassette 4 to 0037 0000 Unfixed 0001 to 0034 0001 No 1 unit to 0030 No 30 unit 0001 No 1 unit to 0064 No 64 unit 0000 Individual 0001 Master of group 0002 Sub of group 0000 No flap 0001 Swing only 0004 4 way 0000 0 deg to 0010 10 deg For setup temperature reversal of COOL HEAT by Data value ...

Page 72: ...ller to sub remote controller Insert the remote controller address connector provided on the rear side of the remote controller switch P C board into Sub in exchange for Master Operation 1 The operation contents can be changed by Last push priority 2 Use a timer on either Master remote controller or Sub remote controller Terminal block for remote controller cables Remote controller cables Procured...

Page 73: ...r No Item code of the sensor to be monitored The sensor numbers are described below 1 Only master unit in group control 3 The temperature of indoor units and outdoor unit in a group control can be monitored by pushing button to select the indoor unit to be monitored 4 Pushing button returns the display to usual display Indoor unit data Item code 00 01 02 03 04 Data name Room temp under control 1 R...

Page 74: ...with outdoor unit Individual Master of twin controls room temperature according to setting on the remote controller System example 1 Display range on remote controller The setup range Operation mode Air volume select Setup temp of the indoor unit which was set to the master unit is reflected on the remote controller 2 Address setup Turn on power of the indoor unit to be controlled in a group withi...

Page 75: ...Red D02 Red D03 Red D04 Red Function Communication status Remote controller Communication status Center Operation status of air conditioner Air conditioner error Go on During communication During communication Running Error Go off No communication including communication error No communication including communication error Stop Normal For positions of LED refer to P C board external view CN03 CN02...

Page 76: ...e with net shielding for instrumentation CPEVS Shielded polyethylene insulation vinyl seal cable 0 5 to 2 0 mm Total cable length Max 500m Up to 400m when there is wireless remote controller in group Neutral 2 cable type MVVS Cable with net shielding for instrumentation 1 25 mm 500 m 2 0 mm 1 km Total cable length Up to 500m when using 1 25mm cable Up to 1000m when using 2 0mm cable Remote control...

Page 77: ...To change the item to be set return to 2 5 Push button The status returns to the usual stop status 2 How to set by the switch on the network adapter P C board When the remote controller cannot be found or when you don t want to change setting of the network address No from the remote controller use the setup switch SW01 on the network adapter P C board Network address No setup switch to set the ad...

Page 78: ...08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 Address No 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 〇 ...

Page 79: ...digits display alphabet or numeral Cautions Display of air speed selection differs In duct type Air speed becomes H and FIX When handling main remote controller AUTO is not displayed If AUTO is selected at center side AUTO is displayed on the main remote controller In this time the air speed becomes HH On the central remote controller only AUTO is displayed The display on the main remote controlle...

Page 80: ...01 No 1 unit to 0030 No 30 unit Max value of indoor units in the identical refrigerant line Double twin 4 0000 Individual Indoor units which are not controlled in a group 0001 Master unit 1 indoor unit in group control 0002 Sub unit Indoor units other than master unit in group control Setup of line address of outdoor unit indoor unit address and group address Completion of cabling work Turn on pow...

Page 81: ...remote controller LCD Except sir direction adjustment of flap Sub unit 2 Indoor units other than master unit in group operation Basically sub units do not send receive signals to from the remote controllers Except errors and response to demand of service data 12 2 1 System configuration 1 Single 2 Single group operation 12 2 2 Automatic address example from unset address No miscabling 1 Standard O...

Page 82: ...ss 7 Push SET button OK when display goes on 8 Group address Using the temperature setup buttons set 14 to the item code 9 Using timer time buttons set 0000 to Individual 0001 to Master unit and 0002 to sub unit 10 Push SET button OK when display goes on 11 Push button Setup completes The status returns to the usual stop status Example of 2 lines cabling Real line Cabling Broken line Refrigerant p...

Page 83: ... Follow to the procedure during operation in this procedure the indoor units in group control stop Procedure The indoor unit numbers in the group control are succes sively displayed and fan flap and drain pump of the corresponding indoor unit are turned on Follow to the procedure during operation 1 Push and buttons simultaneously for 4 seconds or more Unit No ALL is displayed Fans and flaps of all...

Page 84: ...Hang the suction grille to the panel 2 Attach the strap of the suction grille to the panel as before 3 Close the suction grille slide the knobs outward and then fix it Remarks 1 Detachment 1 Perform work of item 1 of Q 2 Remove screws fixing the electric parts cover Ø4 x 10 3 pcs 3 Remove the electric parts cover from the tentative hook and then open the cover 2 Attachment 1 Close the electric par...

Page 85: ...d to the control P C board and then remove the lead wire from the clamp NOTE Remove the connector by releasing locking of the housing 3 Remove screws fixing the ceiling panel M5 4 pcs 4 Push the tentative hook outward to remove the ceiling panel 2 Attachment 1 Hang the tentative hook of the main body drain pan to the tentative hook of the ceiling panel NOTE A panel has directional property so moun...

Page 86: ...k of power supply 5P Black CN101 TC sensor 2P Black CN102 TCJ sensor 2P Red CN104 Room temperature sensor 2P Yellow CN333 Power supply of fan motor 5P White CN334 Position detection of fan motor 5P White NOTE Remove the connector by releasing locking of the housing 3 Unlock locking of the card edge spacer at 6 positions to remove the control P C board 2 Attachment 1 Fix the control P C board to th...

Page 87: ... electric parts box Ø4 x 10 5 pcs 6 Remove screws fixing the bell mouth Ø4 x 10 6 pcs 7 Remove nuts fixing the turbo fan M6 1 pc 8 Remove screws fixing holder of the motor lead wires to remove the motor lead wires from the clamp Ø4 x 8 3 pcs 9 Remove nuts fixing the fan motor to remove it 2 Attachment 1 Fix the parts fan motor holder of the motor lead turbo fan bell mouth and electric parts box su...

Page 88: ...crews fixing the electric parts box Ø4 x 10 5 pcs 6 Remove screws fixing the bell mouth Ø4 x 10 6 pcs 7 Remove the drain cap and drain water accumulated in the drain pan NOTE 1 When removing the drain cap be sure to prepare a bucket to catch the drained water NOTE 2 Thermal insulator is adhered to the drain cap Be careful not to peel off the insulator If the insulator has been peeled adhere it wit...

Page 89: ...he main body 1 position and then remove the assembly Ø4 x 8 3 pcs 3 Attachment 1 Fix the drain pump assembly as before NOTE The drain pump is fixed with a hook and 3 screws In screwing be sure that screws do not to run on hooking claw at the main body side 2 Attach the drain hose and hose band as before NOTE Insert the drain hose up to the end of pump connecting part and bind the white mark positi...

Page 90: ...d and fixing screws while holding the heat exchanger Ø4 x 8 3 pcs 2 Attachment 1 Fix the parts heat exchanger fixing band pipe cover drain cap drain pan bell mouth and electric parts box successively to their original positions 2 Connect connectors earth lead wire indoor outdoor inter unit cable and remote controller cable which have been disconnected in the above item 1 as before 3 Connect the re...

Page 91: ...pper cabinet ST1T Ø4 x 10L 6 pcs 2 Attachment 1 Attach the waterproof cover CAUTION Be sure to attach a waterproof cover If it is not attached there is a possibility that water enters inside of the outdoor unit 2 Attach the upper cabinet ST1T Ø4 x 10L 6 pcs 3 Connect the connecting cable and power cord at the terminal and fix them with cord clamp CAUTION Using bundling band sold at a market be sur...

Page 92: ...e of the heat exchanger and then fix it with screw ST1T Ø4 x 10L 1 pc 2 Attach the removed screws to the original positions 1 Perform work of item 2 Remove screw fixing the inverter and the side cabinet ST1T Ø4 x 10 1 pc 3 Remove screws of the side cabinet and the valve support plate ST1T Ø4 x 10 2 pcs 4 Remove screw of the side cabinet and the cabling panel Rear ST1T Ø4 x 10 1 pc 5 Remove screw o...

Page 93: ...scharge the capacitor WARNING For discharging never use a screwdriver and others for short circuiting between and electrodes As the electrolytic capacitor is one with a large capacity it is very dangerous because a large electric spark will occur 4 Remove various lead wires from the holder at upper part of the inverter box 5 Remove the hook for the partition plate lower left side 6 Remove the hook...

Page 94: ...N15 Reactor 3P Relay connector Blue Note 1 Note 1 Remove the connector while releasing locking of the housing 3 Remove the control P C board assembly from P C board base Remove the heat sink and the inverter control P C board assembly as they are screwed Note 2 Remove the heat sink upward by taking off two claws of P C base and holding the heat sink 4 Take off three screws fixing the heat sink to ...

Page 95: ...fan 4 Remove the lead wire from the hook fixing the fan motor lead wires on the motor base Three positions 5 Disconnect the connector for fan motor from the inverter 6 Take off the fixing screws 4 pcs while holding by hands so that the fan motor does not fall NOTE Tighten the flange nut with torque 9 8Nm 100kgf cm Remarks Flange nut Loosen by turning clockwise Propeller fan Fan motor Fixing claws ...

Page 96: ...e the noise insulator 11 Remove the terminal covers of the com pressor and disconnect lead wires of the compressor and the compressor thermo assembly from the terminal 12 Remove pipes connected to the compres sor with a burner CAUTION Pay attention to that flame does not involve 4 way valve or PMV If doing so a malfunc tion may be caused 13 Pull the refrigerating cycle upward 14 Take off nut fixin...

Page 97: ... reactor An outdoor unit has two reactors on the partition plate 1 Detachment 1 Perform works of items to 2 Remove the coil from PMV body while pulling it upward 2 Attachment 1 Match the positioning extrusion of the coil surely to the concavity of PMV body to fix it Remarks Reactor Partition plate Screws Positioning extrusion PMV body PMV coil Concavity ...

Page 98: ... 2 Attachment 1 Insert claw of the fan guard in hole of the discharge panel Push the hooking claws 5 positions with hands and fix the claws After all the attachment works are completed check that all the hooking claws are fixed to the specified posi tions 2 Mount the bell mouth by hooking three claws at upper side of the bell mouth in the slits on the discharge cabinet 3 After attachment fix the b...

Page 99: ... indoor outdoor connecting cable from cord clamp and terminal 4 Remove the roof plate ST1T Ø4 10 6 pcs 2 Attachment 1 Mount the roof plate ST1T Ø4 10 6 pcs 2 Connect the power cable and the indoor outdoor connecting cable to terminal and then fix them with cord clamp REQUIREMENT Be sure to fix the power cable and the indoor outdoor connecting cable with bundling band on the market along the inter ...

Page 100: ... the heat exchanger ST1T Ø4 10 1 pc 5 Take off screws for the air outlet cabinet and the fin guard ST1T Ø4 10 2 pcs 2 Attachment 1 Put the upper left side of the air outlet cabinet on the end plate of heat ex changer and fix it with screw ST1T Ø4 10 1 pc 2 Attach the taken off screws to the original positions 1 Perform work of item 2 Take off screws fixing the inverter and the side cabinet ST1T Ø4...

Page 101: ...ase thermo 2P White Note 1 CN700 4 way valve 3P Yellow Note 1 CN702 PMV Pulse Motor Valve coil 6P White Relay connector Reactor 2 pcs 3P White Note 1 Compressor lead Remove terminal cover of the compressor and remove the lead wire from terminal of the compressor Note 1 Remove the connectors by releasing lock of the housing 3 Remove various lead wires from the holder at upper part of the inverter 4...

Page 102: ... board 5P Red CN01 Connection with IPDU P C board 5P Red Note 1 CN02 Indoor Outdoor connection terminal block 3P Black Note 1 CN03 Connection with IPDU P C board 3P White Note 1 CN04 Connection with IPDU P C board 2P White Note 1 Note 1 Remove the connectors by releasing lock of the housing 3 Remove the supporting hooks at 4 corners to remove the cycle P C board 4 Mount a new cycle P C board 5 Lif...

Page 103: ...r terminal block White CN03 Connection with inverter box Black CN09 Connection with compressor Red CN10 Connection with compressor White CN11 Connection with compressor Black Rectifier diode Red lead wire Note 2 White lead wire Note 2 Orange lead wire Top Brown lead wire Bottom Note 1 Remove the connectors by releasing lock of the housing 4 Remove the heat sink cover M4 8 2pcs 5 Take off two screw...

Page 104: ...4 10 1 pc pull the fan motor lead out of the partition plate and then remove the fan motor Cautions in assembling fan motor The same propeller fan and the fan motor are used at upper and lower sides Tighten the flange nut with the following torque Upper side 9 8N m 100kgf cm Lower side 9 8N m 100kgf cm Be sure to mount the motor lead fixed plate so that the fan motor lead is not caught in Be sure ...

Page 105: ...inal cover of the compressor and then remove compressor lead and case thermo of the compressor ST1T Ø4 10 2 pcs 7 Remove TD sensor fixed to the discharge pipe 8 Using a burner remove pipe connected to the compressor NOTE Pay attention that 4 way valve or PMV is not exposed to a flame Otherwise a malfunction may be caused 9 Pull out discharge pipe and suction pipe of the refrigerating cycle upward ...

Page 106: ... extrusion at the upper side of the fan guard into the square hole of the air outlet cabinet and then insert the hanging hook Fix the hanging hooks 5 positions by pushing with hands REQUIREMENT Check that all the hanging hooks are fixed to the specified positions 2 After attachment fix it with screws ST1T Ø4 10 2 pcs 3 Mount the bell mouth by hanging hooks 3 positions at upper side of the bell mou...

Page 107: ...ected to the inverter assembly 3 Remove fixing screws of the reactor Cautions for assembling The temperature of the reactor becomes high during operation of the outdoor unit Using a cord holder fix various sensor lead wires or fan motor lead wires in the sur roundings of the reactor to be fixed to the electric parts box as shown below so that they do not come to contact with the reactor Remarks Co...

Page 108: ...ontroller WH H1JE Location Part Description No 201 43121703 Pump Drain ADP 1409 220 240V 202 43120214 Fan Ass y Turb TY461 205 4314J124 Refrigeration Cycle Ass y 206 4318T313 Owner s Manual 207 43172160 Pan Ass y Drain PS F ABS Sheet 208 43151279 Switch Float FS 0218 106 209 43121691 Motor Fan SWF 200 90 1 211 43170232 Hose Drain 25A 212 43079249 Band Hose 213 43047546 Nut Flare 3 8 IN Ø9 6 214 43...

Page 109: ...n Part Description No 401 43060750 Terminal Block 3P 402 43050382 Sensor TC F6 403 43150297 Sensor TA 404 43160445 Terminal Block 2P 1A AC30V 405 4316V220 P C Board Ass y MMC 1402 220 240V A B 405 403 404 402 401 ...

Page 110: ...32 43058266 Reactor CH47 Z K 33 43063321 Holder Sensor 34 43063322 Holder Sensor 35 43063325 Holder Sensor 36 43063332 Holder Sensor 37 43032441 Nipple Drain 38 43058268 Reactor CH 43 Z K Location Part Description No 1 43191634 Cabinet Air Outlet 2 43191636 Cabinet Front Ass y 3 43191635 Cabinet Side Ass y 4 43191637 Panel Upper 5 43005489 Guard Fin 6 43191630 Guard Fan PP K 7 43122065 Bell Mouth ...

Page 111: ...Ø6 TD Sensor Ø4 708 Location Part Description No 701 43050334 Sensor TD F4 702 43050382 Sensor TE TS TO F6 704 43160469 Terminal Block 6P AC250V 20A Location Part Description No 705 43162042 Base P C Board 707 4316V231 P C Board Ass y CDB MCC 1398 708 4316V184 P C Board Ass y IPDU MCC 1359 ...

Page 112: ... 43119390 Hanger 39 43155188 Reactor CH 56 2Z T 40 43019904 Holder Sensor 41 43063188 Holder TC Sensor 42 43063332 Holder Sensor 43 43032441 Nipple Drain 44 43146588 Joint Check Location Part Description No 2 43100248 Base Ass y 4 43041774 Compressor Ass y DA420A3F 21M 5 43049739 Cushion Rubber 6 43097204 Nut 7 43050407 Thermostat Bimetal 8 43063317 Holder Thermostat 9 4314G144 Condenser Ass y Dow...

Page 113: ...ion No 706 43160552 Terminal Block 3P 30A 707 4316V231 P C Board Ass y CDB MCC 1398 709 4316V219 P C Board Ass y IPDU MCC 1438 702 TD SENSOR 701 TO SENSOR 701 TE SENSOR 701 TS SENSOR 703 TH SENSOR N L 2 2 1 CN600 CN601 CN604 CN 605 CN800 CN12 CN03 CN04 IC800 CN02 CN01 R501 R502 R500 707 706 704 P18 BLU P20 YEL RED P17 BLU P28 BLK RY01 P19 YEL P21 ORG P09 WHI P12 GRY P08 WHI P13 GRY P24 BRW 709 705...

Page 114: ...WA Electric Co Please go to the following URL http www nagasawa el co jp On self responsibility you can use a product manufactured by other company if its characteristics are equivalent to those of NAGASAWA Electric Co Use heat resistance weatherproof and non hydrolytic type Material 4 fluorinated ethylene copolymer Harness diameter Ø7 5 Use equivalence with the above specifications 12 pieces are ...

Page 115: ... diagram L N Fuse Thermostat Cord heater Outdoor unit Earth leakage circuit breaker Power supply for air conditioner Earth leakage circuit breaker Power supply for cord heater Be sure to connect the fuse and the thermostat to LIVE side of the cord heater NOTE Separate the cord heater power from the air conditioner power and connect it to its exclusive breaker By doing so the power consumption can ...

Page 116: ...utdoor unit base by using P shape clamp and screws Self tapping screw type B Ø4 6mm stainless Pay attention to the direction of P shape clamp so that it is set to the same direction in the left figure If the drain port is frozen due to installation status etc draw around the cord heater so that the end part of the heater is inserted into the drain port In this case add some fixing positions to fix...

Page 117: ...pe B Ø4 8mm fix the power cord to the thermostat fixing plate When the power cord size does not match with P shape clamp procure the most appropriate one at the local site Assembly Return a set of the refrigeration cycle assembly into the outdoor unit base and reassemble sound insulation board partition plate assembly fan motor assembly and back cabinet as original Fix the thermostat fixing plate ...

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