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10. Installation 

Instruction 

10.1  Select the Best Location 

10.1.1 Indoor 

Unit 

x

 

There should not be any heat source or steam near 
the unit.

x

 

There should not be any obstacles blocking the air 
circulation. 

x

 

A place where air circulation in the room is good. 

x

 

A place where drainage can be easily done. 

x

 

A place where noise prevention is taken into 
consideration. 

x

 

Do not install the unit near the door way.  

x

 

Ensure the spaces indicated by arrows from the wall, 
ceiling, fence or other obstacles.

x

 

Recommended installation height for indoor unit shall 
be at least 2.5m. 

10.1.2 Outdoor 

Unit 

x

 

If an awning is built over the unit to prevent direct 
sunlight or rain, be careful that heat radiation from the 
condenser is not obstructed. 

x

 

There should not be any animal or plant which could be 
affected by hot air discharged. 

x

 

Keep the spaces indicated by arrows from wall, ceiling, 
fence or other obstacles. 

x

 

Do not place any obstacles which may cause a short 
circuit of the discharged air. 

x

 

If piping length is over the rated length, additional 
refrigerant should be added as shown in the table below: 

Example: If the unit is installed at a 10m distance, the quantity of additional refrigerant should be 50 g. 
…… (10-7.5) m x 20g/m = 50 g 

Piping size 

Model

Gas Liquid 

Rated
Length
(m)

Max 
Elevation
(m)

Min Piping 
Length (m) 

Max 
Piping
Length
(m)

Additional
Refrigerant 
(g/m)

RE9HKE 3/8” 

1/4" 7.5 

15 

20 

RE12HKE 3/8” 1/4”  7.5 

15 

20 

11.1.3 Indoor/Outdoor Unit

Summary of Contents for CS-RE12HKE

Page 1: ...e 25 11 1 Auto OFF ON Button 25 11 2 Select Remote Control Transmission Code25 11 3 Operate and Display of Remote Control 26 12 Operation Control 28 12 1 Basic Function 28 12 2 Indoor Fan Motor Operation 29 12 3 Outdoor Fan Motor Operation 29 12 4 Airflow Direction 30 13 Protection control 32 13 1 Protection Control For All Operations 32 13 2 Protection Control For Cooling and Soft Dry Operation 3...

Page 2: ...bleshooting Guide 36 14 1 About Self Diagnosis 36 14 1 Display of Error Code 36 15 Disassembly and Assembly Instructions 39 16 Exploded View and Replacement Pars List 42 16 1 Indoor Unit 42 16 2 Outdoor Unit 44 ...

Page 3: ...ce RCD Otherwise it may cause electrical shock and fire in case equipment breakdown or insulation breakdown 8 This equipment must be properly earthed Earth line must not be connected to gas pipe water pipe earth of lightning rod and telephone Otherwise it may cause electrical shock in case equipment breakdown or insulation breakdown 9 Use the specified cable 1 5 mm2 and connect tightly for indoor ...

Page 4: ...ollowing methods Power supply point should be in easily accessible place for power disconnection in case of emergency In some countries permanent connection of this air conditioner to the power supply is prohibited 1 Power supply connection to the receptacle using a power plug Use an approved 15 16A power plug with earth pin for the connection to the receptacle 2 Power supply connection to a circu...

Page 5: ...ch 6 35 1 4 Pipe Length m ft 3 9 8 15 49 2 Height Difference m ft 5 16 4 Additional Gas Amount g m oz ft 20 0 2 Refrigerant Charge Less m ft 7 5 24 6 Inner diameter mm 14 Drain Hose Length mm 500 Type Rotary Motor Type Induction 6 poles Compressor Rated Output W 750 Type Cross Flow Fan Propeller Fan Material AS PP Motor Type Induction 8 poles Induction 6 poles Input power W Output power W 30 15 Lo...

Page 6: ...t A 3 50 Maximum Current A 6 00 Power Factor 91 Power factor means total figure of compressor indoor fan motor and outdoor fan motor Number of core 3 1 5mm Power Cord Length m 1 9 Thermostat Electronic Control Protection Device Electronic Control Note Specification is subject to change without prior notice for further improvement ...

Page 7: ... 35 1 4 Pipe Length m ft 3 9 8 15 49 2 Height Difference m ft 5 16 4 Additional Gas Amount g m oz ft 20 0 2 Refrigerant Charge Less m ft 7 5 24 6 Inner diameter mm 14 Drain Hose Length mm 500 Type Rotary Motor Type Induction 6 poles Compressor Rated Output W 900 Type Cross Flow Fan Propeller Fan Material AS PP Motor Type Induction 8 poles Induction 6 poles Input power W Output power W 30 25 Lo Coo...

Page 8: ...t A 4 70 Maximum Current A 6 80 Power Factor 93 Power factor means total figure of compressor indoor fan motor and outdoor fan motor Number of core 3 1 5mm Power Cord Length m 1 9 Thermostat Electronic Control Protection Device Electronic Control Note Specification is subject to change without prior notice for further improvement ...

Page 9: ... control x Quality Improvement o Random auto restart after power failure for safety restart operation o Gas leakage protection o Prevent compressor reverse cycle o Inner protector to protect compressor x Operation Improvement o Quiet mode to reduce the indoor unit operating sound o Powerful mode to reach the desired room temperature quickly o 12 hour timer x Serviceability Improvement o Breakdown ...

Page 10: ... Unit 4 3 Remote Control z For normal operation the ERROR RESET button is not in use z Press RESET button to restore the remote control s default setting OFF ON Operation mode Airflow direction adjustment Timer setting Temperature setting Transmitter Fan speed selection ...

Page 11: ...11 5 Dimensions 5 1 Indoor Unit ...

Page 12: ...12 5 2 Outdoor Unit Unit mm ...

Page 13: ...13 6 Refrigeration Cycle Diagram ...

Page 14: ...14 7 Block Diagram ...

Page 15: ...MOTE CONTROL W TERMINAL Y G COMPRESSOR TERMINAL YELLOW RED BLUE TRADE MARK INDOOR UNIT 12 CN DISP W 1 CS CU RE9 CS CU RE12 HKE HKE Temperature ć Resistance k ķ ĸ Ĺ Pipe Temp Sensor Outdoor air sensor Discharge Temp Sensor Remark 1 1 4 CN GMD Y OUTDOOR UNIT GRY GRY RY PWR PTC2 PTC1 T20A L250V AC N BLUE AC L BROWN DATA BLACK BROWN REACTO R TERMINAL FUSE FM2 FM1 FGI FG2 FAN MOTOR RY C DB102 DB101 N P...

Page 16: ...16 9 Printed Circuit Board 9 1 Indoor Unit 9 1 1 Main Printed Circuit Board TOP VIEW ...

Page 17: ...17 BOTTOM VIEW ...

Page 18: ...18 9 1 2 Indicator TOP VIEW BOTTOM VIEW ...

Page 19: ...r the unit to prevent direct sunlight or rain be careful that heat radiation from the condenser is not obstructed x There should not be any animal or plant which could be affected by hot air discharged x Keep the spaces indicated by arrows from wall ceiling fence or other obstacles x Do not place any obstacles which may cause a short circuit of the discharged air x If piping length is over the rat...

Page 20: ...unting the unit on the wall consider using anchor bolts Always mount the installation plate horizontally by aligning the marking off line with the thread and using a level gauge 2 Drill the piping plate hole with ø70mm hole core drill 2 1 Line according to the left and right side edge of the installation plate The meeting point of the extended line is the centre of the hole Another method is by pu...

Page 21: ...21 10 2 3 Indoor Unit Installation ...

Page 22: ...t nut ø10mm 2 When installing at roof please consider strong wind and earthquake Please fasten the installation stand firmly with bolt or nails 10 3 2 Connecting the Piping 10 3 2 1 Connecting the piping to indoor unit Please make flare after inserting flare nut locate at joint portion of tube assembly onto the copper pipe In case of using long piping Connect the piping x Align the center of pipin...

Page 23: ...ith a push pin to the low side of a charging set and the service port at the 3 way valve z Be sure to connect the end of charging hose with the push pin to the service port z The size of charging hose fitting should be 1 2 UNF 20 threads 2 Connect the center hose o the charging set to a vacuum pump with check valve or vacuum pump and vacuum pump adaptor 3 Turn on the power switch of the vacuum pum...

Page 24: ...able onto the control board with the holder clamper 4 Attach the control board cover back to the original position with the screw 10 3 5 Pipe Insulation 1 Please carry out insulation at pipe connection portion as mentioned in Indoor Outdoor Unit Installation Diagram Please warp the insulated piping end to prevent water from going inside the piping 2 If drain hose or connecting piping is in the roo...

Page 25: ...e switch is continuously pressed between 16 to 21 seconds either H14 error detection selection mode or remote controller s signal receiving sound can be cancelled or turned on 11 2 Select Remote Control Transmission Code There are 4 types of remote control transmission code could be selected and stored in EEPROM of indoor PCB The indoor unit will only operate when received signal with same transmi...

Page 26: ...low directions by pressing AIR SWING button 5 options 11 3 6 QUIET POWERFULL button Press this button to switch among QUIET operation POWERFUL operation and normal operation Start Quiet operation Press this button until QUIET displaying on remote control display and indoor QUIET indicator will light up to identify Quiet mode operating Start POWERFUL operation Press this button until POWERUL displa...

Page 27: ...ation Timer setting can operate only once If the OFF ON button on the remote control or the AUTO Switch on the indoor unit is pressed the timer setting Will be cancelled If Auto Restart Control occurs timer setting will be cancelled During the operation if the ON Timer or ON OFF Timer is set the operation will be stopped 11 3 8 About Cursor Key Which Points To ŶOFFŷ On Remote Control When the ON O...

Page 28: ...OFF point 12 1 3 Soft Dry Operation 12 1 3 1 Thermostat control The same as Cooling mode 12 1 4 Heating operation 12 1 4 1 Thermostat control Compressor is OFF when Intake Air Temperature Internal Setting Temperature 2 0к Compressor is ON after waiting for 3 minutes if the Intake Air Temperature Internal Setting Temperature Compressor OFF point 12 1 5 Automatic Operation 1 Once AUTO mode is select...

Page 29: ...otor on if fan motor feedback 2550 rpm or 50 rpm continue for 10 seconds then fan motor error counter increases fan motor then stops and restarts If the fan motor counter becomes 7 times then H19 fan motor error is detected Operation stops and cannot on back 12 3 Outdoor Fan Motor Operation Outdoor fan motor is operated with one fan speed only It starts when compressor starts operation and it stop...

Page 30: ...il cancel the mode by pressing QUIET POWERFUL buttons at remote control 12 3 4 Powerful operation ϥ To cooling or heating the room faster comparing to normal operation The POWERFUL operation can be active or stop by pressing QUIET POWERFUL buttons at remote control ϥ When powerful operation is active the unit will continuously operate in POWERFUL mode until cancel the mode by pressing QUIET POWERF...

Page 31: ...er LED blinks there is an abnormal operation occurs 12 3 7 Timer control Delay ON Timer ca be set using remote controller the unit with timer set will start operate earlier than the setting time This is to provide a comfortable environment when reaching the set On time Seventy minutes before the set time for ON Timer or ON OFF Timer setting indoor at fan speed of Lo and outdoor fan motor start ope...

Page 32: ...t total running current is detected exceeding I1 A the frequency instructed for compressor operation will be decreased 2 If the running current does not exceed I1 A for 5 seconds the frequency instructed will be increased RE9HKE RE12HKE Operation mode I1 A I1 A Cooling Soft Dry Fan A 5 8 7 4 Cooling Soft Dry Fan B 5 6 7 3 Heating 7 01 8 05 The first 30 minutes of cooling operation A will be applie...

Page 33: ...ions Indoor suction temperature indoor piping temperature is below 4к Indoor temperature and outdoor temperature is 30 5к Remote Control setting 16к and Hi Fan Speed During Heating operations Indoor piping temperature indoor suction is under 5к Indoor temperature and outdoor temperature is 20 2к Remote control setting 30к and Hi Fan Speed b Control contents Compressor stops and restart after 3 min...

Page 34: ...trol starts if all conditions continue for 20 minutes Operated with Cooling or Soft Dry Mode Indoor intake temperature is between 255к and 295к Outdoor air temperature is less than 305к Quiet Lo fan speed This control stopped then receive air swing change signal from Remote Control 13 2 4 Overload Protection For Cooling Operation The frequency for the compressor will change according to the outdoo...

Page 35: ...his is to prevent the cold airflow from blowing If the piping temperature rises to 19 к and the indoor fan speed and airflow direction varies with the indoor piping temperature the hot start control is completed 13 3 2 Overload Protection Control The frequency for the compressor is determined by indoor piping temperature 13 3 3 Outdoor Air Temp Control One minute after the start up of the compress...

Page 36: ...door temperature 35 C at cooling mode and 7 C at heating mode Compressor operates at rated frequency Different in the intake and outlet air temperatures Normal Value of electric current during operation Dusty condenser preventing heat radiation Excessive amount of refrigerant x Measuring the air temperature different x Measuring electric current during operation x Measuring gas side pressure More ...

Page 37: ...ted by itself the operation can be restarted using AUTO Switch on the indoor unit In forced operation the frequency for compressor and fan speed can not be changed and the signal receiving sound is different Normal Operation ON pep Forced Operation ON pep pep pep pep Stop pep Note Refer to the Diagnosis Code Table for the malfunction when forced operation is not available 14 2 2 Display of Error C...

Page 38: ...38 14 2 3 Error Codes Table ...

Page 39: ...bly Instructions High Voltage is generated in the electrical parts area by the capacitor Ensure that the capacitor has discharged sufficiently before proceeding with repair work Failure to heed this caution may result in electric shocks ...

Page 40: ...40 ...

Page 41: ...41 ...

Page 42: ...42 16 Exploded View and Replacement Pars List 16 1 Indoor Unit 35 36 38 37 ...

Page 43: ...17 ELECTRONIC CONTROLLER 1 CWA73C3104 CWA73C3105 ʳ 19 INDICATOR HOLDER FRONT 1 CWD932717 CWD932717 ʳ 20 INDICATOR HOLDER BACK 1 CWD932718 CWD932718 ʳ 21 INDICATOR PCB 1 CWA745215 CWA745215 ʳ 23 CONTROL BOARD FRONT COVER 1 CWH131235J CWH131235J ʳ 24 CONTROL BOARD TOP COVER 1 CWH131237 CWH131237 ʳ 25 REMOTE CONTROL 1 CWA75C3077 CWA75C3077 ʳ 26 FRONT GRILLE COMPLETE 1 CWE11C3768 CWE11C3768 ʳ 29 AIR F...

Page 44: ...44 16 2 Outdoor Unit ...

Page 45: ...UT FOR TERMIANL COVER 1 CW7080300J CW7080300J ʳ 20 SOUND PROOF BOARD 1 CWH151187 CWH151187 ʳ 21 SOUND PROOF MATERIAL 1 CWG302433 CWG302433 ʳ 23 REACTOR 1 G0C193J00007 G0C193J00007 ʳ 24 CONTROL BOX COMPLETE 1 CWH14C6242 CWH14C6243 ʳ 26 TERMINAL BOARD ASS Y 1 CWA28K1185 CWA28K1185 ʳ 27 CONTROL BOARD COMPLETE 1 CWH14C6248 CWH14C6249 ʳ 28 CONTROL BOARD CASING 1 CWH102298 CWH102298 ʳ 29 COVER CONTROL B...

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