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41

Installation and Maintenance

Service Manual

9. Maintenance

9.1 Error Code List

O/U--OFF or Unblink

Notes:   R(Indoor)--Running   C--Cooling   H--Heating   Y--Yellow   R(Outdoor)--Red    G--Green

 6

 6

EU

24

LU
JF
F0

E8

L9

H5

4

10

Module temperature is too high

1

9

1

 11

 9

 8

 6

 5

 4

 3

 2

 1

13

11

8

Frequency limiting (power)
Malfunction of detecting plate(WIFI )
Insufficient fluorine protection

Frequency limiting (module temperature )

The temperature for turning on the unit is reached(normal)

Power protection

Compressor is running(normal)

11

14

8

2

13

7

5

6

 2

 15

 6

 5

 3

 1

 2

16

1

 23

 19

 15

 11

 8

FH

EE

HC

H5

H3

H1

Fo

L3

PH

F9

F8

F6

F5

F4

F3

F2

F1

LP

C5

H6

H4

Anti-freezing limit / drop frequency

Loading EEPROM malfunction

PFC protection

IPM protection

Compressor overload protection

Defrosting

Gathering refrigerant

Outdoor DC fan motor malfunction

High exhaust temperature limit / drop frequency

Over current limit / drop frequency

Overload limit / drop frequency

Exhaust sensor open or short circuit

Outdoor tube sensor open or short circuit

Outdoor ambient sensor open or short circuit

Indoor tube sensor open or short circuit

Indoor ambient sensor open or short circuit

Indoor unit and outdoor unit doesn't match

Jumper cap malfunction protection

No feedback of indoor fan motor

Low PN voltage protection

PL

 21

12

4-way valve reversal abnormal

U7

20

DRED1 / DRED2 / DRED3

Refrigerant

  leakage   protection

Compressor Min frequence in test state

Compressor intermediate frequence in test state

Compressor rated frequence in test state
Compressor maximum frequence in test state

d1/d2/d3

F0

P0
P1

P2

P3

 6

 20

High PN voltage protection

 6

 4

Anti-high temperature protection

E6

O/U

7

3

5

G

R

Y

4

E5

E4

E2

H

C

Display of lamp

 2

R

Display of

indoor unit

Communication failure between indoor unit and outdoor unit

E3

 3

Indoor

Outdoor

 6

 5

AC over-current protection

Anti-freezing protection

Compressor exhaust high temperature protection

Block or Low pressure of  refrigerant system

Name of malfunction

9

14

 3

 1

 2

 4

 5

(the times of blinking)

 9

10

The display difference between Fo and F0 is 'o' is the bottom part of  figure 8

Summary of Contents for FTKS09SL216

Page 1: ...Service Manual R410A serie split MODEL FTKS09SL216 RKS09SL216 FTXS09SL216 RXS09SL216 FTKS12SL216 RKS12SL216 FTXS12SL216 RXS12SL216 ...

Page 2: ...Part 15 5 1 Wiring Diagram 15 5 2 PCB Printed Diagram 17 6 Function and Control 19 6 1 Remote Controller Introduction 19 6 2 Brief Description of Modes and Functions 22 Part Ⅱ Installation and Maintenance 31 7 Notes for Installation and Maintenance 31 8 Installation 34 8 1 Installation Dimension Diagram 34 8 2 Installation Parts checking 36 8 3 Selection of Installation Location 36 8 4 Requirement...

Page 3: ...t 59 10 1 Indoor Unit 59 10 2 Outdoor Unit 62 11 Removal Procedure 66 11 1 Removal Procedure of Indoor Unit 66 11 2 Removal Procedure of Outdoor Unit 71 Appendix 76 Appendix 1 Reference Sheet of Celsius and Fahrenheit 76 Appendix 2 Configuration of Connection Pipe 76 Appendix 3 Pipe Expanding Method 77 Appendix 4 List of Resistance for Temperature Sensor 78 Table of Contents ...

Page 4: ...cal Information Service Manual 1 Summary Part Ⅰ Technical Information Indoor Unit Outdoor Unit RKS09SL216 RXS09SL216 RKS12SL216 RXS12SL216 Remote Controller YU1F FTKS09SL216 FTXS09SL216 FTKS12SL216 FTXS12SL216 ...

Page 5: ... Area yd2 19 14 28 70 Indoor Unit Model of indoor unit FTKS09SL216 Indoor Unit Product Code CB459N04800_L75033 Fan Type Cross flow Diameter Length DXL inch Φ3 55 64X22 5 6 Fan Motor Cooling Speed SH H M L r min 1350 1200 1050 750 Fan Motor Heating Speed SH H M L r min Output of Fan Motor W 20 Fan Motor RLA A 0 22 Fan Motor Capacitor μF 1 Evaporator Form Aluminum Fin copper Tube Pipe Diameter inch ...

Page 6: ...Capacitor μF Air Flow Volume of Outdoor Unit CFM 942 Fan Type Axial flow Fan Diameter inch Φ15 3 4 Defrosting Method Climate Type T1 Isolation I Moisture Protection IPX4 Permissible Excessive Operating Pressure for the Discharge Side PSIG 550 Permissible Excessive Operating Pressure for the Suction Side PSIG 240 Sound Pressure Level H M L dB A 52 Sound Power Level H M L dB A 62 Dimension WXHXD inc...

Page 7: ...14 28 70 Indoor Unit Model of indoor unit FTKS12SL216 Indoor Unit Product Code CB459N04900_L75033 Fan Type Cross flow Diameter Length DXL inch Φ3 7 8X25 Fan Motor Cooling Speed SH H M L r min 1350 1200 1000 800 Fan Motor Heating Speed SH H M L r min Output of Fan Motor W 20 Fan Motor RLA A 0 31 Fan Motor Capacitor μF 1 5 Evaporator Form Aluminum Fin copper Tube Pipe Diameter inch Φ3 16 Row fin Gap...

Page 8: ...X20 Fan Motor Speed rpm 900 Output of Fan Motor W 30 Fan Motor RLA A 0 37 Fan Motor Capacitor μF Air Flow Volume of Outdoor Unit CFM 1600 Fan Type Axial flow Fan Diameter inch Φ15 3 4 Defrosting Method Climate Type T1 Isolation I Moisture Protection IPX4 Permissible Excessive Operating Pressure for the Discharge Side PSIG 550 Permissible Excessive Operating Pressure for the Suction Side PSIG 240 S...

Page 9: ... 19 14 28 70 Indoor Unit Model of indoor unit FTXS09SL216 Indoor Unit Product Code CB459N04400_L84775 Fan Type Cross flow Diameter Length DXL inch Φ3 55 64X22 5 6 Fan Motor Cooling Speed SH H M L r min 1350 1200 1050 750 Fan Motor Heating Speed SH H M L r min 1350 1200 1050 850 Output of Fan Motor W 20 Fan Motor RLA A 0 22 Fan Motor Capacitor μF 1 Evaporator Form Aluminum Fin copper Tube Pipe Diam...

Page 10: ... μF Air Flow Volume of Outdoor Unit CFM 942 Fan Type Axial flow Fan Diameter inch Φ15 3 4 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IPX4 Permissible Excessive Operating Pressure for the Discharge Side PSIG 550 Permissible Excessive Operating Pressure for the Suction Side PSIG 240 Sound Pressure Level H M L dB A 52 Sound Power Level H M L dB A 62 Dimensi...

Page 11: ...n Area yd2 19 14 28 70 Indoor Unit Model of indoor unit FTXS12SL216 Indoor Unit Product Code CB459N04500_L84775 Fan Type Cross flow Diameter Length DXL inch Φ3 7 8X25 Fan Motor Cooling Speed SH H M L r min 1350 1200 1000 800 Fan Motor Heating Speed SH H M L r min 1350 1200 1000 900 Output of Fan Motor W 20 Fan Motor RLA A 0 31 Fan Motor Capacitor μF 1 5 Evaporator Form Aluminum Fin copper Tube Pip...

Page 12: ...Flow Volume of Outdoor Unit CFM 1600 Fan Type Axial flow Fan Diameter inch Φ15 3 4 Defrosting Method Automatic Defrosting Climate Type T1 Isolation I Moisture Protection IPX4 Permissible Excessive Operating Pressure for the Discharge Side PSIG 550 Permissible Excessive Operating Pressure for the Suction Side PSIG 240 Sound Pressure Level H M L dB A 53 Sound Power Level H M L dB A 63 Dimension WXHX...

Page 13: ...igh Pipe lengt 24 6ft Conditions Indoor DB70 F WB60 Outdoor DB19 94 F WB19 04 F Indoor air flow High Pipe lengt 24 6ft Conditions Indoor DB80 F WB66 9 F Outdoor DB95 F Indoor air flow High Pipe lengt 24 6ft 2 3 Capacity Variation Ratio According to Temperature Cooling Heating 4 5 14 110 100 90 80 70 60 50 40 23 32 41 50 Outdoor temp F Capacity ratio 89 6 91 4 93 2 95 96 8 98 6 100 4 102 2 109 4 10...

Page 14: ...216 130 142 in 46 4 51 8 out 51 8 57 2 in 167 181 4 out 98 6 118 4 Super High High 72 Rated heating condition F DB WB Model Pressure of gas pipe connecting indoor and outdoor unit Inlet and outlet pipe temperature of heat exchanger Fan speed of indoor unit Fan speed of outdoor unit Compressor revolution rps Indoor Outdoor P PSIG T1 F T2 F 70 60 19 94 19 04 FTXS09SL216 RXS09SL216 362 406 in 167 181...

Page 15: ...it W D H 3 1 2 6 2 1 8 2 1 8 6 5 8 18 3 16 6 5 16 Φ2 3 16 Φ2 3 16 Φ2 3 16 Φ2 3 16 4 11 16 21 5 16 7 1 4 3 5 16 5 1 3 8 1 3 8 MODEL W H D FTKS09SL216 FTXS09SL216 31 1 8 10 7 8 7 7 8 FTKS12SL216 FTXS12SL216 33 1 4 11 3 8 8 1 4 Unit inch FTKS09SL216 FTXS09SL216 FTKS12SL216 FTXS12SL216 ...

Page 16: ...13 Technical Information Service Manual 3 2 Outdoor Unit Unit inch 30 9 16 21 1 4 12 5 8 28 11 1 4 20 10 1 8 RKS09SL216 RXS09SL216 RKS12SL216 RXS12SL216 ...

Page 17: ...Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Compressor Strainer Electron expansion valve Indoor unit Outdoor unit COOLING HEATING 4 Way valve Discharge Suction Heat exchanger evaporator Heat exchanger condenser Valve Valve Liquid pipe side Gas pipe side Strainer Electron expansion valve Strainer Accumlator Compressor Indoor unit O...

Page 18: ...BN Brown COMP Compressor RD Red BU Blue Grounding wire YEGN Yellow Green BK Black VT Violet OG Orange Note Jumper cap is used to determine fan speed and the swing angle of horizontal lover for this model 600007000575 67 33 1 3 2 7 50 1 9 325 725 803 3 0 1 2 5 1 1 1 1 1 7 8 20 287 02725 287 225 81 7 7 6 1625 63 63 57 3 5220 78 7 03 6 1625 7 03 6 1625 63 2 5 5 9 5 1 57 6 1 8 0 75 2 8 5 1 1 1 02 8 23...

Page 19: ...25 2 0 1 7 5 1 9 1 7521 3 16 21 9 9 0 These circuit diagrams are subject to change without notice please refer to the one supplied with the unit 600007000921 1 225 81 7 JURXQG RQO LURQ VKHOO PRWRU DSSOLHV WR WKH 0RWRU 127 RI HOHFWULF VKRFN 3OHDVH GRQ W WRXFK DQ WHUPLQDO ZKHQ WKH PDFKLQH LV UXQQLQJ VWRSSLQJ RU KDV EHHQ SRZHUHG RII IRU OHVV WKDQ PLQXWHV WR SUHYHQW WKH ULVN 51 1 1 8 1 0 1 7 5 1 7 50 ...

Page 20: ...ire 3 Interface of health function neutral wire 4 Interface of neutral wire 5 Interface of fan 6 Interface of health function live wire 7 Jumper cap 8 Auto button 9 Up down swing interface 10 Feedback interface of indoor unit 11 12 13 Interface of tube temperature sensor 14 Wired controller 15 Display interface Fuse Top view Bottom view 2 1 15 3 4 5 6 7 8 9 10 11 12 13 14 ...

Page 21: ...of reactor 3 Interface of fan 4 4 way valve 5 Interface of earthing wire 6 Interface of live wire 7 Interface of netural wire 8 Interface of communication 9 Interface of electronic expansion valve 10 Overload interface of compressor 11 Interface of temperature sensor Top view Bottom view 1 2 3 4 5 6 7 8 9 10 11 ...

Page 22: ...or Icons on Display Screen Introduction for Buttons on Remote Controller ON OFF button MODE button button FAN button SWING button SAVE button X FAN button TIMER button TURBO button SLEEP button LIGHT button Child Lock Dry mode Auto mode Cool mode Heat mode Fan mode X fan Set time Timer ON Timer OFF Fan speed Set temp Up down swing Sleep mode ...

Page 23: ...20 Technical Information Service Manual ...

Page 24: ...nditioner will enter into quick cooling or quick heating mode The TURBO icon is displayed on the remote controller Press this button again to exit turbo function and the TURBO icon will disappear on the remote controller Press this button to turn o ff the light on the display of the indoor unit Press this button again to turn on the light on the display of the indoor unit TURBO TIMER ...

Page 25: ...ure is the set value under each condition Ambient temperature is Tamb Tcompensation for heat pump unit and Tamb for cooling only unit 4 If theres I feel function Tcompensation is 0 Others are same as above 5 Fan mode Under this mode indoor fan operates at set fan speed Compressor outdoor fan 4 way valve and electric heating tube stop operation Indoor fan can select to operate at high medium low or...

Page 26: ...be still in standby mode after finishing refrigerant recycling if the unit is in ON status before refrigerant recycling it will still run in original operation mode 11 Ambient temperature display control mode 1 When user set the remote controller to display set temperature corresponding remote control code 01 current set temperature will be displayed 2 Only when remote control signal is switched t...

Page 27: ...f the compressor is shut down and Tsetup Tindoor ambient temperature Tcooling indoor ambient temperature compensation 32 9ºF start up the machine for cooling the cooling operation will start 2 During operations of cooling if 32ºF Tsetup Tindoor ambient temperature Tcooling indoor ambient temperature compensation 35 6ºF the cooling operation will be still running 3 During operations of cooling if 3...

Page 28: ...hed on 2 Defrosting a Defrosting starts the compressor is shut down and restarts it after 55 second delay b Defrosting ends the compressor stops then starts it after 55 second delay 2 Outer Fans Control Notes Only the outer fans run for at least 80s in each air flow speed can the air flow be switched After the outer fans run compulsively in high speed for 80s when the machine starts up control the...

Page 29: ...e it should not be started and should be stopped to treat according to the overload protection Clear the trouble at the mode of power turn off heating and the protection times are not counted 2 Frequency limited If TCooling overload frequency limited temperature Touter pipe T Cooling overload frequency reducing temperature at normal speed you should limit the frequency raising of compressor 3 Redu...

Page 30: ...rature at normal speed during discharging you should limit the frequency raising of compressor 3 Reducing frequency at normal speed and stopping machine If Tfrequency reducing temperature at normal speed during discharging TDischarge Tfrequency reducing temperature at high speed during discharging you should adjust the compressor frequency by reducing 8Hz 90s till the lower limit After it was runn...

Page 31: ...he compressor frequency by reducing 30Hz 90s till the lower limit After it was running 90s at the lower limit if Tfrequency reducing temperature at normal speed of module T Module you should stop the machine for module overheating protection 5 Power turn off If the TPower turn off temperature of module TModule you should stop the machine for module overheating protection If TModule TLimited freque...

Page 32: ... regarded as four way valve reversion abnormity And then it can run if stop the reversion abnormity protection for four way valve 3 min and if it still cant run when the reversion abnormity protection for four way valve happens to stop working for 3 times in succession it is available if presses ON OFF Attention the protection shall be shielded during the testing mode and defrosting process and it...

Page 33: ...peration 3 When 32ºF Toutdoor amb 35 6ºF the electric heating of chassis will keep original status 7 Electric Heating Function of Compressor 1 When Toutdoor amb 23ºF compressor stops operation while the electric heating of compressor starts operation 2 When Toutdoor amb 28 4ºF the electric heating of compressor stops operation 3 When 23ºF Toutdoor amb 28 4ºF the electric heating of compressor will...

Page 34: ... the unit adequately grounded The grounding wire cant be used for other purposes 6 Must apply protective accessories such as protective boards cable cross loop and wire clip 7 The live wire neutral wire and grounding wire of power supply must be corresponding to the live wire neutral wire and grounding wire of the air conditioner 8 The power cord and power connection wires cant be pressed by hard ...

Page 35: ...ssure rise or compressor rupture resulting in injury 4 During refrigerant recovery make sure that liquid valve and gas valve are fully closed and power is disconnected before detaching the connection pipe If compressor starts running when stop valve is open and connection pipe is not yet connected air will be sucked in and cause pressure rise or compressor rupture resulting in injury 5 When instal...

Page 36: ...ing tape 4 Electroprobe 7 Electronic leakage detector 10 Pipe pliers pipe cutter 2 Screw driver 5 Universal meter 8 Vacuum pump 11 Pipe expander pipe bender 3 Impact drill drill head electric drill 6 Torque wrench open end wrench inner hexagon spanner 9 Pressure meter 12 Soldering appliance refrigerant container ...

Page 37: ...7 8 inch At least 5 7 8 inch Space to the wall S p a c e t o t h e o b s t r u c t i o n r o o l f e h t o t e c a p S A t l e a s t 1 1 8 i n c h Space to the obstructio At least 78 5 8 inch Space to the wall At least 11 13 16 inch At least 19 11 16 inch Space to the obstruction At least 11 13 16 inch Space to the obstruction At least 19 11 16 inch Drainage pipe Space to the obstruction ...

Page 38: ...hang the indoor unit Make the bound pipes pass through the wall hole and then connect outdoor unit Neaten the pipes Vacuum pumping and leakage detection Check after installation and test operation Finish installation Note this flow is only for reference please find the more detailed installation steps in this section Select outdoor unit installation location Install the support of outdoor unit sel...

Page 39: ...reach for children 5 The location should be able to withstand the weight of indoor unit and wont increase noise and vibration 6 The appliance must be installed 72inch above floor 7 Dont install the indoor unit right above the electric appliance 8 Please try your best to keep way from fluorescent lamp 3 Outdoor Unit 1 Select a location where the noise and outflow air emitted by the outdoor unit wil...

Page 40: ...e 1 Choose the position of piping hole according to the direction of outlet pipe The position of piping hole should be a little lower than the wall mounted frame As show in Fig 1 5 Connect the Pipe of Indoor Unit 1 Aim the pipe joint at the corresponding bellmouth As show in Fig 5 2 Pretightening the union nut with hand 3 Adjust the torque force by referring to the following sheet Place the open e...

Page 41: ...e 1 Bind up the connection pipe power cord and drain hose with the band As show in Fig 14 2 Reserve a certain length of drain hose and power cord for installation when binding them When binding to a certain degree separate the indoor power and then separate the drain hose As show in Fig 15 3 Bind them evenly 4 The liquid pipe and gas pipe should be bound separately at the end 9 Hang the Indoor Uni...

Page 42: ...tdoor Electric Wire 1 Let the connection wire sleeve go through the two holes of baffle tighten the connection joint of sleeve and baffle remove the wire clip connect the power connection wire and power cord to the wiring terminal according to the color fix them with screws As show in Fig 23 6 Neaten the Pipes 1 The pipes should be placed along the wall bent reasonably and hidden possibly Min semi...

Page 43: ...er press ON OFF button on the remote controller to start operation Press MODE button to select AUTO COOL DRY FAN and HEAT to check whether the operation is normal or not If the ambient temperature is lower than 16 the air conditioner cant start cooling 2 Leakage Detection 1 With leakage detector Check if there is leakage with leakage detector 2 With soap water If leakage detector is not available ...

Page 44: ...nsor open or short circuit Outdoor tube sensor open or short circuit Outdoor ambient sensor open or short circuit Indoor tube sensor open or short circuit Indoor ambient sensor open or short circuit Indoor unit and outdoor unit doesn t match Jumper cap malfunction protection No feedback of indoor fan motor Low PN voltage protection PL 21 12 4 way valve reversal abnormal U7 20 DRED1 DRED2 DRED3 Ref...

Page 45: ...ainboard broken Malfunction diagnosis process Is the wiring terminal between the temperature sensor and the controller loosened or poorly contacted Start Insert the temperature sensor tightly Yes Yes Yes Yes Yes Yes No No No No No No Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Replace it with a temperature sensor with the same model Make the parts upright Is there...

Page 46: ...he connection of PG motor control terminal is firm Turn on the unit again measure whether the output voltage on control terminal for PG motor is more than 50V within 1 min after the louvers are opened Tighten the screw reassemble the blade motor and shaft bearing rubber base sub assy to make sure there is no foreign object between them Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes No No No No No No No N...

Page 47: ...f the mainboard is defined abnormal Malfunction diagnosis process Start Is there jumper cap on the mainboard Is the jumper cap inserted correctly and tightly Replace the jumper cap with the same model Appearance of the jumper cap Assemble the jumper cap with the same model Insert the jumper cap tightly Is malfunction eliminated Is malfunction eliminated Is malfunction eliminated Replace the mainbo...

Page 48: ...charges slowly The zero cross detectioncircuit of the mainboard is defined abnormal Malfunction diagnosis process Turn power off for 1minute the turn back on The unit returns to normal Conclusion U8 is displayed due to power off on while the capacitor discharges slowly U8 is still displayed The zero cross detection circuit of the mainboard is defined abnormal Replace the mainboard with the same mo...

Page 49: ...Manual Start Is malfunction eliminated The end check if the connection wire are correctly connected Replace the detecting plate with the same model Replace the mainboard with the same model Yes Yes No 5 Malfunction of detecting plate WIFI JF ...

Page 50: ...kage in the system System is blocked inside dirt block ice block oil block Y valve no fully open Compressor doesn t work normally Strange noise or leakage occurs Make compressor run normally Casing is too hot Replace a main board with the same model Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Malfunction is eliminated Troubleshooting for F0 malfunction Yes No No N...

Page 51: ...with the voltage testing circuit on control panel AP1 Replace the control panel AP1 Measure the AC voltage between terminalL andN on wiring board XT power supply Voltage within 210VAC 250VAC Shut down the power and repair the power supply to restore the range 210VAC 250VAC power on and restart the unit If the fault is eliminated Shut down the power and wait 20 minutes or use DC voltmeter to measur...

Page 52: ...cure Loose Is the connection in correct order Is the voltage input of the machine within normal range Use AC voltmeter to measure the voltage between terminal L and N on the wiring board XT Is the compressor coil resistance normal Is the insulation of compressor coil against the copper tube in good condition Is the working load of the machine too high Is the radiation good Is the charge volume of ...

Page 53: ...oltage between the two ends of capacitor C2 until the voltage is lower than 20V Replace the capacitor C2 Then energize and start the unit Replace the control panel AP1 Take corrective actions according to Technical Service Manual and then energize and start the unit If there is any abnormality described above Replace the control panel AP1 If the connection between AP1 and COMP is unsecure or the c...

Page 54: ...igh temperature protection Is outdoor ambient temperature higher than 53 20 minutes after the complete unit is powered off Is heat dissipation of the indoor unit and outdoor unit abnormal Normal protection please operate it after the outdoor ambient temp erature is normalized Improve the heat dissipation environ ment of the unit Does the outdoor fan work normally 1 Check if the fan terminal OFAN i...

Page 55: ...e for compressor stopping enough Fault diagnosis process Y N Y N N Y Y N Power on the unit Is stop time of the compressor longer than 3 minutes Restart it up after 3 minutes Does startup fail Are the wires for the compressor connected correctly Is connection sequence right Connect the wires as per the connection diagram Replace the control panel AP1 If the fault is eliminated Replace the compresso...

Page 56: ...he compressor connected correctly Is connection sequence right Is the connection made in clockwise direction Connect the wires correctly Replace the control panel AP1 If the fault is eliminated Replace the compressor End Out of step occurs in operation Is the outdoor fan working normally Is the outdoor unit blocked by foreign objects Replace the control panel AP1 If the fault is eliminated Replace...

Page 57: ...s 20 minutes after the complete unit is powered off Is the terminal FA for the electronic expansion valve connected correctly Connect the wires correctly Resistances between the first four pins close to the terminal hole and the fifth pin are almost the same less than 100 ohm Replace the electronic expansion valve If the fault is eliminated If the fault is eliminated Replace the control panel AP1 ...

Page 58: ...any damage or short circuit Replace it as per the wiring diagram and reconnect the wires If the fault is eliminated Remove the PFC capacitor and measure resistance between the two terminals Is the resistance around zero The capacitor is short circuited and the capacitor should be repla ced Restart the unit If the fault is eliminated Disconnect the terminals for the reactor and measure the resistan...

Page 59: ...ipment operate normally before the failure occurs The AP1 voltage detection circuit is at fault Check wiring inside of the indoor and outdoor units Are wires broken Check the communication circuit of the outdoor unit If the fault is eliminated The communication circuit is abnormal Replace the main board of the indoor unit End If the fault is eliminated Replace the main board AP1 of the outdoor uni...

Page 60: ...thod for details Malfunction of compressor Compressor cant operate Refer to point 5 of maintenance method for details 9 3 Troubleshooting for Normal Malfunction 1 Air Conditioner Cant be Started Up 2 Poor Cooling Heating for Air Conditioner 3 Horizontal Louver Cant Swing Possible Causes Discriminating Method Air conditioner Status Troubleshooting No power supply or poor connection for power plug A...

Page 61: ... pipe Replace drain pipe Wrapping is not tight Water leaking from the pipe connection place of indoor unit Wrap it again and bundle it tightly 5 Compressor Cant Operate Possible causes Discriminating method air conditioner status Troubleshooting Wrong wire connection or poor connection Check the wiring status according to circuit diagram Connect wires according to wiring diagram to make sure all w...

Page 62: ...59 Installation and Maintenance Service Manual 10 Exploded View and Parts List 10 1 Indoor Unit The component picture is only for reference please refer to the actual product ...

Page 63: ...4212180 1 13 Cold Plasma Generator 14 Evaporator Assy 0100200004407 0100297601 1 15 Wall Mounting Frame 01252043 01252484 1 16 Cross Flow Fan 10352059 10352056 1 17 Fan Motor 1501208905 1501214604 1 18 Connecting pipe clamp 2611216401 2611216401 1 19 Rubber Plug Water Tray 76712012 76712012 1 20 Stepping Motor 1521212901 1521210710 1 21 Crank 73012005 73012005 1 22 Electric Box Assy 100002003992_L...

Page 64: ...4212180 1 13 Cold Plasma Generator 14 Evaporator Assy 0100200004407 0100297601 1 15 Wall Mounting Frame 01252043 01252484 1 16 Cross Flow Fan 10352059 10352056 1 17 Fan Motor 1501208905 1501214604 1 18 Connecting pipe clamp 2611216401 2611216401 1 19 Rubber Plug Water Tray 76712012 76712012 1 20 Stepping Motor 1521212901 1521210710 1 21 Crank 73012005 73012005 1 22 Electric Box Assy 100002003973_L...

Page 65: ...62 Installation and Maintenance Service Manual RKS09SL216 RKS12SL216 The component picture is only for reference please refer to the actual product 10 2 Outdoor Unit ...

Page 66: ...12 Cable Cross Plate 2 02123014P 02123014P 1 13 Right Side Plate Assy 013030713 013030713 1 14 Cover of pass wire 01413069 01413069 1 15 Inhalation Tube Sub assy 030010000181 030010000181 1 16 Discharge Tube 035008000337 035008000593 1 17 Temperature Sensor 3900030805 3900030805 1 18 Electric Expansion Valve Sub Assy 030026000192 030026000197 1 19 Rear Grill 01473009 01473009 1 20 Condenser Assy 0...

Page 67: ...64 Installation and Maintenance Service Manual RXS12SL216 RXS09SL216 The component picture is only for reference please refer to the actual product ...

Page 68: ...r of Pass Wire 01413069 01413069 1 14 Right Side Plate Assy 013030713 013030713 1 15 Cable Cross Plate 2 02123014P 02123014P 1 16 Magnet Coil 4300040050 4300040050 1 17 Electric Expansion Valve Sub Assy 030026000192 030026000197 1 18 Rear Grill 01473009 01473009 1 19 Electric Box 20113034 20113032 1 20 Main Board 300027000359 300027000355 1 21 Reactor 43130184 43130184 1 22 Electric Box Assy 10000...

Page 69: ...emove filter assembly 2 Remove horizontal louver Front panel Front case Right filter Groove Left filter Open the front panel Push the left filter and right filter until they are separate from the groove on the front panel Remove the left filter and right filter respectively 1 display Screw off the 2 screws that are locking the display board Separate the display board from the front panel 2 display...

Page 70: ...case sub assy and bottom case Lift up the front case sub assy and take it out Electric box cover2 Detecting plate Detecting plate Screw Screw 5 Remove front case sub assy 6 Remove vertical louver Front case sub assy Front case sub assy Clasp Screw caps Screws Screw Vertical louver Vertical louver Clasps Bottom case 4 Remove detecting plate and electric box cover 2 Remove the screw fixing electric ...

Page 71: ...rounding screw Remove the wiring terminals of motor and stepping motor Remove the electric box assy Twist off the screws that are locking each lead wire and rotate the electric box assy Twist off the screws that are locking the wire clip Loosen the power cord and remove its wiring terminal Lift up the main board and take it off 7 Remove electric box assy Electric box Electric box assy Clasps Shiel...

Page 72: ...e terminals 2 Pull out the holder for some terminals at first holder is not available for some wiring terminal hold the connector and then pull the terminal circlip soft sheath holder connector Procedure Step Remove 3 screws fixing evaporator assy 8 Remove evaporator assy Screws Connection pipe clamp Evaporator assy Evaporator assy Screw Groove Bottom case Clasp Connection pipe At the back of the ...

Page 73: ...the screws at the connection place of cross flow blade and motor lift the motor and cross flow blade upwards to remove them Remove the bearing holder sub assy Remove the screw fixing step motor and then remove the step motor Screws Screw Motor clamp 9 Remove motor and cross flow blade Motor Cross flow Holder sub assy Step motor Screws a b ...

Page 74: ...cable cross plate 2 and valve cover 2 Remove top cover Before disassamble Remove 3 connection screw fixing cable cross plate 2 and then remove the Cable cross plate 2 Remove 1 connection screw fixing valve cover and then remove the valve cover Remove 3 connection screws among top cover plate front panel and right side plate Then remove top cover plate screw Cable cross plate 2 Valve Cover screw to...

Page 75: ... Then remove the front grille Remove connection screws connecting the front panel with the chassis and the motor support and then remove the front panel Remove the nut fixing the blade and then remove the axial flow blade Remove connection screws connecting the right side plate with the valve support and the electric box Then remove the right side plate Grille Panel Axial flow blade Right side pla...

Page 76: ...the 4 way Valve Assy to take it out Note Refrigerant should be discharged firstly Welding process should be as quickly as possible and keep wrapping cotton wet all the time Be sure not to burn out the lead out wire of compressor 7 Remove 4 way valve assy 8 Remove Electric Expansion Valve Sub Assy Unsolder weld point of Electric Expansion Valve Sub Assy valve and outlet pipe of condensator Then rem...

Page 77: ...motor Remove the 2 tapping screws fixing the motor support Lift motor support to re move it 9 Remove motor and motor support Motor Motor support 10 Remove clapboard sub assy Loosen the screws of the Clapboard Sub Assy The Clapboard Sub Assy has a hook on the lower side Lift and pull the Clapboard Sub Assy to remove Clapboard Sub Assy ...

Page 78: ...valve and air return pipe and remove the gas valve Note it is necessary to warp the gas valve when unsoldering the welding spot Remove the 2 screws fixing liquid valve Unsolder the weld ing spot connecting liquid valve and remove the liquid valve b Remove the 3 footing screws of the compressor and remove the compressor Compressor Gas valve Liquid valve ...

Page 79: ...d Celsius degree Tf Tcx1 8 32 Ambient temperature Fahrenheit display temperature Fahrenheit Celsius Fahrenheit display temperature Fahrenheit Celsius Fahrenheit display temperature Fahrenheit Celsius 32 33 32 0 55 56 55 4 13 79 80 78 8 26 34 35 33 8 1 57 58 57 2 14 81 80 6 27 36 35 6 2 59 60 59 15 82 83 82 4 28 37 38 37 4 3 61 62 60 8 16 84 85 84 2 29 39 40 39 2 4 63 62 6 17 86 87 86 30 41 42 41 5...

Page 80: ...eps A Cut the pip Confirm the pipe length according to the distance of indoor unit and outdoor unit Cut the required pipe with pipe cutter B Remove the burrs Remove the burrs with shaper and prevent the burrs from getting into the pipe C Put on suitable insulating pipe D Put on the union nut Remove the union nut on the indoor connection pipe and outdoor valve install the union nut on the pipe E Ex...

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Page 82: ...31 95 13 04 165 2 3 04 235 4 0 93 26 6 76 24 96 8 12 51 167 2 94 237 2 0 904 28 4 72 41 98 6 12 168 8 2 844 239 0 88 30 2 68 79 100 4 11 52 170 6 2 752 240 8 0 856 32 65 37 102 2 11 06 172 4 2 663 242 6 0 833 33 8 62 13 104 10 62 174 2 2 577 244 4 0 811 35 6 59 08 105 8 10 2 176 2 495 246 2 0 77 37 4 56 19 107 6 9 803 177 8 2 415 248 0 769 39 2 53 46 109 4 9 42 179 6 2 339 249 8 0 746 41 50 87 111...

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