E12RKUA Service Manual
Page 2
... 130 22. Wiring Connection Diagram 20 8.1 Indoor Unit 20 8.2 Outdoor Unit 22 9. Operation Control 49 13.1 Basic Function 49 13.2 Indoor Fan Speed Control 50 13.3 Indoor Fan Motor Operation 51 13.4 Outdoor Fan Motor Operation 51 13.5 Airflow Direction 52 13.6 Quiet Operation (Cooling Mode/Cooling Area of Controls and Components..........12 4.1 Indoor Unit 12 4.2 Outdoor Unit 12 4.3 Remote Control 12 5. Location of Dry Mode 53 13.7 Quiet Operation (Heating 54 13.8 Powerful Mode Operation 54 13.9 Timer Control 54 13.10 Auto Restart Control 55 13.11 Indication Panel 55 13.12...
... 130 22. Wiring Connection Diagram 20 8.1 Indoor Unit 20 8.2 Outdoor Unit 22 9. Operation Control 49 13.1 Basic Function 49 13.2 Indoor Fan Speed Control 50 13.3 Indoor Fan Motor Operation 51 13.4 Outdoor Fan Motor Operation 51 13.5 Airflow Direction 52 13.6 Quiet Operation (Cooling Mode/Cooling Area of Controls and Components..........12 4.1 Indoor Unit 12 4.2 Outdoor Unit 12 4.3 Remote Control 12 5. Location of Dry Mode 53 13.7 Quiet Operation (Heating 54 13.8 Powerful Mode Operation 54 13.9 Timer Control 54 13.10 Auto Restart Control 55 13.11 Indication Panel 55 13.12...
E12RKUA Service Manual
Page 3
... properly done, the set 's weight. Use the specified indoor/outdoor connection cable, refer to be installed with R410A must be connected to user the operation, care and maintenance as repairing part, do not let any servicing. Electrical work , follow the local national wiring standard, regulation and the installation instruction. Do not install outdoor unit near handrail of air etc. Earth line must be used with Earth Leakage Circuit Breaker (ELCB) or Residual...
... properly done, the set 's weight. Use the specified indoor/outdoor connection cable, refer to be installed with R410A must be connected to user the operation, care and maintenance as repairing part, do not let any servicing. Electrical work , follow the local national wiring standard, regulation and the installation instruction. Do not install outdoor unit near handrail of air etc. Earth line must be used with Earth Leakage Circuit Breaker (ELCB) or Residual...
E12RKUA Service Manual
Page 4
...;C) higher. Pb free solder will tend to specified method. Fix power supply connection to a circuit breaker for maintenance. 6. Take care of air, abnormal high pressure in refrigeration cycle and result in of the unit, it may need two people to handle sharp parts during repairing a refrigerant parts. Installation or servicing work: It may cause frostbite. 9. Do not sit or step on the unit, you are opened condition will cause...
...;C) higher. Pb free solder will tend to specified method. Fix power supply connection to a circuit breaker for maintenance. 6. Take care of air, abnormal high pressure in refrigeration cycle and result in of the unit, it may need two people to handle sharp parts during repairing a refrigerant parts. Installation or servicing work: It may cause frostbite. 9. Do not sit or step on the unit, you are opened condition will cause...
E12RKUA Service Manual
Page 33
....1.2 Outdoor Unit If an awning is advisable to prevent direct sunlight or rain, be careful that it doesn't break. The indoor unit will actually face a different way. Saddle () o(r3m0101orm1e3m/1)6" Conduit (Power supply cord ()) Conduit (Connection cable) Liquid side piping () Gas side piping () Additional drain hose () Control Board cover 33 Installation Instruction (E9RK and E12RK) 11.1 Select the Best Location 11.1.1 Indoor Unit ...
....1.2 Outdoor Unit If an awning is advisable to prevent direct sunlight or rain, be careful that it doesn't break. The indoor unit will actually face a different way. Saddle () o(r3m0101orm1e3m/1)6" Conduit (Power supply cord ()) Conduit (Connection cable) Liquid side piping () Gas side piping () Additional drain hose () Control Board cover 33 Installation Instruction (E9RK and E12RK) 11.1 Select the Best Location 11.1.1 Indoor Unit ...
E12RKUA Service Manual
Page 39
... system. Mount valve caps onto the 2-way valve and the 3-way valve. Be careful with dry nitrogen, in the table. Vacuum pump Indoor unit Liquid side Two-way valve Outdoor unit Gas side Close OPEN Lo Hi Three-way valve Close CLOSE 1. If the leak does not stop when the connections are tightened further, continue working from the service port of piping to...
... system. Mount valve caps onto the 2-way valve and the 3-way valve. Be careful with dry nitrogen, in the table. Vacuum pump Indoor unit Liquid side Two-way valve Outdoor unit Gas side Close OPEN Lo Hi Three-way valve Close CLOSE 1. If the leak does not stop when the connections are tightened further, continue working from the service port of piping to...
E12RKUA Service Manual
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... Left bottom Rear Left bottom Installation parts you should be above the seasonal snow level. Saddle () Conduit (Power supply cord ()) o(r3m0101orm1e3m/1)6" Conduit (Connection cable) Liquid side piping () Gas side piping () Additional drain hose Control Board cover 41 12. Installation Instruction (E18RK and E24RK) 12.1 Select the Best Location 12.1.1 Indoor Unit Do not install the unit in the room is good. A place where...
... Left bottom Rear Left bottom Installation parts you should be above the seasonal snow level. Saddle () Conduit (Power supply cord ()) o(r3m0101orm1e3m/1)6" Conduit (Connection cable) Liquid side piping () Gas side piping () Additional drain hose Control Board cover 41 12. Installation Instruction (E18RK and E24RK) 12.1 Select the Best Location 12.1.1 Indoor Unit Do not install the unit in the room is good. A place where...
E12RKUA Service Manual
Page 44
... mm) nominal PVC pipe size by Vinyl Tape ( ) Drain hose adapter 9 3/4" (20 mm) nominal PVC pipe - o Ensure the colour of wires of wires (Connecting wire) Terminals on the indoor unit 123 Colour of outdoor unit and terminal number are fully inserted to drain hose adapter 9. 12.2.4 Connect the Cable to conduit cover with local electric codes. Conduit Connector Lock Nut Conduit Cover Chassis Rear Side of embedded piping. M4o5(r1e91/t53h20a"nmm...
... mm) nominal PVC pipe size by Vinyl Tape ( ) Drain hose adapter 9 3/4" (20 mm) nominal PVC pipe - o Ensure the colour of wires of wires (Connecting wire) Terminals on the indoor unit 123 Colour of outdoor unit and terminal number are fully inserted to drain hose adapter 9. 12.2.4 Connect the Cable to conduit cover with local electric codes. Conduit Connector Lock Nut Conduit Cover Chassis Rear Side of embedded piping. M4o5(r1e91/t53h20a"nmm...
E12RKUA Service Manual
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.... 7. If the pressure holds, release the nitrogen and proceed to "Open" using pipe cutter. Position both of leak. - If the leak stops when the piping connections are retightened, repair location of the 2-way valve and 3-way valve. Remove burrs from cut by using a hexagonal wrench (5/32" (4 mm)). 8. Do not release refrigerant during piping work for gas leakage. • If micron gauge value does not...
.... 7. If the pressure holds, release the nitrogen and proceed to "Open" using pipe cutter. Position both of leak. - If the leak stops when the piping connections are retightened, repair location of the 2-way valve and 3-way valve. Remove burrs from cut by using a hexagonal wrench (5/32" (4 mm)). 8. Do not release refrigerant during piping work for gas leakage. • If micron gauge value does not...
E12RKUA Service Manual
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...; ECONAVI and AUTO COMFORT operation - Start from ECONAVI and AUTO COMFORT Sensor power ON, and end after power supply resumes. This type of control is not applicable during ON/OFF Timer setting. 13.11 Indication Panel LED Color Light ON Light OFF POWER Green Operation ON Operation OFF TIMER QUIET POWERFUL Orange Orange Orange Timer Setting ON Quiet Mode ON Powerful Mode ON Timer Setting OFF Quiet Mode OFF Powerful Mode OFF AUTO COMFORT Green Auto Comfort ON Auto Comfort OFF...
...; ECONAVI and AUTO COMFORT operation - Start from ECONAVI and AUTO COMFORT Sensor power ON, and end after power supply resumes. This type of control is not applicable during ON/OFF Timer setting. 13.11 Indication Panel LED Color Light ON Light OFF POWER Green Operation ON Operation OFF TIMER QUIET POWERFUL Orange Orange Orange Timer Setting ON Quiet Mode ON Powerful Mode ON Timer Setting OFF Quiet Mode OFF Powerful Mode OFF AUTO COMFORT Green Auto Comfort ON Auto Comfort OFF...
E12RKUA Service Manual
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... power supply reset or AC Reset button on the remote control is pressed. ECONAVI and AUTO COMFORT Demo Mode To enable ECO DEMO mode, during unit is OFF (power standby): Remote control normal mode Press continously for 25 seconds. 3. Abnormal judgment start condition. Judge ECONAVI and AUTO COMFORT Sensor power level every 100ms. c. Control details: During ECONAVI and AUTO COMFORT Demo mode, operation LED ON and horizontal vane will set to Auto...
... power supply reset or AC Reset button on the remote control is pressed. ECONAVI and AUTO COMFORT Demo Mode To enable ECO DEMO mode, during unit is OFF (power standby): Remote control normal mode Press continously for 25 seconds. 3. Abnormal judgment start condition. Judge ECONAVI and AUTO COMFORT Sensor power level every 100ms. c. Control details: During ECONAVI and AUTO COMFORT Demo mode, operation LED ON and horizontal vane will set to Auto...
E12RKUA Service Manual
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... operation mode is decided based on remote control setting temperature, the value of the unit are during Indoor Residual Heat Removal, Hot Start, during the operation of air conditioner, the compressor will re-operate between three to four minutes (10 patterns to be selected randomly) after power resume. During multi split connection, Indoor unit will resume previous mode, include unit standby mode. 14.8 Indication Panel LED Color Light ON Light OFF POWER Green Operation ON Operation OFF TIMER QUIET POWERFUL AUTO...
... operation mode is decided based on remote control setting temperature, the value of the unit are during Indoor Residual Heat Removal, Hot Start, during the operation of air conditioner, the compressor will re-operate between three to four minutes (10 patterns to be selected randomly) after power resume. During multi split connection, Indoor unit will resume previous mode, include unit standby mode. 14.8 Indication Panel LED Color Light ON Light OFF POWER Green Operation ON Operation OFF TIMER QUIET POWERFUL AUTO...
E12RKUA Service Manual
Page 70
... RESET" Press "AC RESET", then any button at the remote control printed circuit board. To change the advance setting of air conditioner operation. Remote Control Printed Circuit Board J1 Jumper A (J1) Short Jumper B (D2) Open Remote Control No. Within 5 minutes after Forced cooling operation start, the Auto OFF/ON button is in EEPROM of Forced heating operation. Servicing Mode 17.1 Auto Off/On Button Auto OFF/ON Button pressed Auto OFF/ON Button pressed Auto OFF/ON Button pressed Auto Operation 5 sec Test Run Operation (Forced Cooling Operation) Beep 5 sec Stop Test...
... RESET" Press "AC RESET", then any button at the remote control printed circuit board. To change the advance setting of air conditioner operation. Remote Control Printed Circuit Board J1 Jumper A (J1) Short Jumper B (D2) Open Remote Control No. Within 5 minutes after Forced cooling operation start, the Auto OFF/ON button is in EEPROM of Forced heating operation. Servicing Mode 17.1 Auto Off/On Button Auto OFF/ON Button pressed Auto OFF/ON Button pressed Auto OFF/ON Button pressed Auto Operation 5 sec Test Run Operation (Forced Cooling Operation) Beep 5 sec Stop Test...
E12RKUA Service Manual
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... turn ON by the Timer. The unit will stop and Power LED blinking. The unit will turn ON by the timer and run Force Heating operation. After 30s sampling, the unit will judge the operation mode base on remote controller temperature setting and Indoor Intake Sensor (New Auto Mode) or Outdoor Intake Sensor (Old Auto Mode) The unit will run Auto Operation. Short "beep": Turn OFF remote control receiving sound. - Long "beep": Turn ON remote control receiving sound. The unit will turn ON by the timer and run Cooling or DRY operation...
... turn ON by the Timer. The unit will stop and Power LED blinking. The unit will turn ON by the timer and run Force Heating operation. After 30s sampling, the unit will judge the operation mode base on remote controller temperature setting and Indoor Intake Sensor (New Auto Mode) or Outdoor Intake Sensor (Old Auto Mode) The unit will run Auto Operation. Short "beep": Turn OFF remote control receiving sound. - Long "beep": Turn ON remote control receiving sound. The unit will turn ON by the timer and run Cooling or DRY operation...
E12RKUA Service Manual
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... be displayed on the remote control. A "beep" sound is heard, and the Error Code is cleared. 18.2.5 Temporary Operation (Depending On Breakdown Status) 1 Press the Auto OFF/ON button on the main unit and code transmitted from the remote control are matched, Power LED will light up for E C O N A V I OFF/ON AUTO COMFORT MODE TEMP POW ERFU QUIET L/ F A N SPEED AIR SWING TIMER ON 1 2 OFF SET CHECK CLOCK SET 3 CANCEL AC RC RESET 30...
... be displayed on the remote control. A "beep" sound is heard, and the Error Code is cleared. 18.2.5 Temporary Operation (Depending On Breakdown Status) 1 Press the Auto OFF/ON button on the main unit and code transmitted from the remote control are matched, Power LED will light up for E C O N A V I OFF/ON AUTO COMFORT MODE TEMP POW ERFU QUIET L/ F A N SPEED AIR SWING TIMER ON 1 2 OFF SET CHECK CLOCK SET 3 CANCEL AC RC RESET 30...
E12RKUA Service Manual
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18.4.19 H99 (Indoor Freeze Prevention Protection: Cooling or Soft Dry) Error Code will not display (no Timer LED blinking) but store in EEPROM Malfunction Decision Conditions Freeze prevention control takes place (when indoor pipe temperature is closed . Faulty indoor unit fan motor. Refrigerant shortage (refrigerant leakage). Clogged expansion valve or strainer. Faulty indoor pipe temperature sensor. Faulty indoor unit PCB. Check the air passage. NO YES Check for gas leakage...
18.4.19 H99 (Indoor Freeze Prevention Protection: Cooling or Soft Dry) Error Code will not display (no Timer LED blinking) but store in EEPROM Malfunction Decision Conditions Freeze prevention control takes place (when indoor pipe temperature is closed . Faulty indoor unit fan motor. Refrigerant shortage (refrigerant leakage). Clogged expansion valve or strainer. Faulty indoor pipe temperature sensor. Faulty indoor unit PCB. Check the air passage. NO YES Check for gas leakage...
E18RKUA Operating Manual
Page 3
... remote control holder × 2 3 English Quick guide 1 3 Inserting the batteries 2 1 Pull out the back cover of remote control 2 Insert AAA or R03 batteries (can be used ~ 1 year) 3 Close the cover 2 3 Clock setting TIMER ON SET 1 Press CLOCK 1 2 3 2 Set the time OFF CANCEL 1 AC RC SET CHECK CLOCK RESET 3 Confirm Basic operation 1 Select the desired mode AUTO HEAT FAN DRY COOL AUTO HEAT FAN SPEED 2 Start/stop the operation COOL DRY AIR FAN SWING 2 OFF/ON AUTO ECONAVI COMFORT 3 MODE 1 TEMP POWERFUL/ QUIET FAN SPEED AIR SWING TIMER...
... remote control holder × 2 3 English Quick guide 1 3 Inserting the batteries 2 1 Pull out the back cover of remote control 2 Insert AAA or R03 batteries (can be used ~ 1 year) 3 Close the cover 2 3 Clock setting TIMER ON SET 1 Press CLOCK 1 2 3 2 Set the time OFF CANCEL 1 AC RC SET CHECK CLOCK RESET 3 Confirm Basic operation 1 Select the desired mode AUTO HEAT FAN DRY COOL AUTO HEAT FAN SPEED 2 Start/stop the operation COOL DRY AIR FAN SWING 2 OFF/ON AUTO ECONAVI COMFORT 3 MODE 1 TEMP POWERFUL/ QUIET FAN SPEED AIR SWING TIMER...
E18RKUA Operating Manual
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...; New batteries of the remote control: • Remove the batteries if the unit is observed. • Water leaks from falling down. Remote control Do not use , make sure the installation rack does not deteriorate to prevent electrical shock or fire. Contact your local dealer immediately for long time during COOL/DRY mode operation. It is stopped. Safety precautions English 5 This equipment must be controlled. • The unit stops running...
...; New batteries of the remote control: • Remove the batteries if the unit is observed. • Water leaks from falling down. Remote control Do not use , make sure the installation rack does not deteriorate to prevent electrical shock or fire. Contact your local dealer immediately for long time during COOL/DRY mode operation. It is stopped. Safety precautions English 5 This equipment must be controlled. • The unit stops running...
E18RKUA Operating Manual
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... setting temperature, outdoor temperature and room temperature. The POWER indicator blinks during this operation. ECONAVI and AUTO COMFORT ECONAVI AUTO or COMFORT The unit will start to suit your needs. Human activity sensor operation ECONAVI ; The human activity sensor will also scan for COOL/DRY mode is selected, the ECONAVI and AUTO COMFORT operations will adjust either fix at low fan speed to keep away heating units or humidifier from the sensor's detection area. COOL...
... setting temperature, outdoor temperature and room temperature. The POWER indicator blinks during this operation. ECONAVI and AUTO COMFORT ECONAVI AUTO or COMFORT The unit will start to suit your needs. Human activity sensor operation ECONAVI ; The human activity sensor will also scan for COOL/DRY mode is selected, the ECONAVI and AUTO COMFORT operations will adjust either fix at low fan speed to keep away heating units or humidifier from the sensor's detection area. COOL...
E18RKUA Operating Manual
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...; Refrigerant flow inside the unit. POWER indicator blinks before calling for the switched on. Symptom Check Operation in HEAT/COOL mode is a preliminary step in preparation for servicing. control. • Water leaks from indoor unit. • Condensation effect due to cooling process. fan speed setting. Airflow continues even after • The delay is a protection to material types used in defrost mode (and AIR SWING is tripped. • Check if timers have entered the remote...
...; Refrigerant flow inside the unit. POWER indicator blinks before calling for the switched on. Symptom Check Operation in HEAT/COOL mode is a preliminary step in preparation for servicing. control. • Water leaks from indoor unit. • Condensation effect due to cooling process. fan speed setting. Airflow continues even after • The delay is a protection to material types used in defrost mode (and AIR SWING is tripped. • Check if timers have entered the remote...
E18RKUA Installation Manual
Page 1
... air. If piping length is not perfect, water may fall , water leakage, fire or electrical shock. Saddle () Conduit (Power supply cord ()) o(r3m0101orm1e3m/1)6" Conduit (Connection cable) Liquid side piping () Gas side piping () Additional drain hose Control Board cover 5 CONNECT THE CABLE TO THE INDOOR UNIT 1. Connecting wire between indoor unit and outdoor unit should more than 1/32" (0.8 mm). Please cut using a level gauge. 2. Turn the piping end down operation, stop...
... air. If piping length is not perfect, water may fall , water leakage, fire or electrical shock. Saddle () Conduit (Power supply cord ()) o(r3m0101orm1e3m/1)6" Conduit (Connection cable) Liquid side piping () Gas side piping () Additional drain hose Control Board cover 5 CONNECT THE CABLE TO THE INDOOR UNIT 1. Connecting wire between indoor unit and outdoor unit should more than 1/32" (0.8 mm). Please cut using a level gauge. 2. Turn the piping end down operation, stop...