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15. Servicing
Mode
15.1 Auto OFF/ON Button
Auto OFF/ON
Button Pressed
Auto OFF/ON
Button Pressed
Auto OFF/ON
Button Pressed
5 sec
5 sec
iAUTO Operation
Test Run Operation
(Forced Cooling Operation)
Stop
Various Setting Mode
Stop
“Beep”
2 x “Beep”
1 iAUTO OPERATION MODE
The iAUTO Operation will be activated immediately once the Auto OFF/ON button is pressed. This operation
can be used to operate air conditioner if remote control is misplaced or malfunction.
2 TEST RUN OPERATION (FOR PUMP DOWN/SERVICING PURPOSE)
The Test Run Operation will be activated if the Auto OFF/ON button is pressed continuously for more than 5
seconds. A “beep” sound will be heard at the fifth second, in order to identify the starting of this operation.
3 VARIOUS SETTING MODE
The Various Setting Mode will be activated if (within 20 seconds of Test Run Operation) the Auto OFF/ON
button is pressed for more than 5 seconds. 2 “beep” sounds will be heard to identify the starting of this
operation.
Under Various Setting Mode, user could perform the following operation:
i. Press Auto OFF/ON button to toggle remote control receiving sound.
- Short “beep”: Turn ON remote control receiving sound.
- Long “beep”: Turn OFF remote control receiving sound.
After Auto OFF/ON button is pressed, the 20 seconds counter for Remote Control Receiving Sound OFF/ON
Mode is restarted.
ii. Remote Control Number Switch.
- There are 4 types of remote control transmission code could be selected and stored in EEPROM of
indoor unit. The indoor unit will only operate when received signal with same transmission code from
remote control. This could prevent signal interference when there are 2 or more indoor units installed
nearby together.
- To change remote control transmission code, short or open jumpers at the remote control printed circuit
board.
Remote Control Printed Circuit Board
Jumper A (J-A)
Jumper B (J-B)
Remote Control No.
Short Open
A
(Default)
Open Open B
Short Short C
Open Short D
- During Various Setting Mode, press any button at remote control to transmit and store the desired
transmission code to the EEPROM.
- After signal is received, the Various Setting Mode is cancelled and return to normal operation.
- If there is no code is transmitted of Auto OFF/ON button is not pressed within 20 seconds, the
Various Setting Mode will be cancelled.
Summary of Contents for CS-PC12QKH
Page 16: ...16 4 Location of Controls and Components 4 1 Indoor Unit 4 2 Outdoor Unit 4 3 Remote Control ...
Page 17: ...17 5 Dimensions 5 1 Indoor Unit 5 1 1 CS PC9QKH CS PC12QKH ...
Page 18: ...18 5 1 2 CS PC18QKH CS PC24QKH CS PC28QKH ...
Page 19: ...19 5 2 Outdoor Unit 5 2 1 CU PC9QKH CU PC12QKH 5 2 2 CU PC18QKH ...
Page 20: ...20 5 2 3 CU PC24QKH 5 2 4 CU PC28QKH ...
Page 21: ...21 6 Refrigeration Cycle Diagram ...
Page 22: ...22 7 Block Diagram 7 1 CS PC9QKH CU PC9QKH CS PC12QKH CU PC12QKH CS PC18QKH CU PC18QKH ...
Page 23: ...23 7 2 CS PC24QKH CU PC24QKH ...
Page 24: ...24 7 3 CS PC28QKH CU PC28QKH ...
Page 29: ...29 9 Electronic Circuit Diagram 9 1 CS PC9QKH CU PC9QKH CS PC12QKH CU PC12QKH ...
Page 30: ...30 9 2 CS PC18QKH CU PC18QKH ...
Page 31: ...31 9 3 CS PC24QKH CU PC24QKH ...
Page 32: ...32 9 4 CS PC28QKH CU PC28QKH ...
Page 34: ...34 10 1 1 2 CS PC18QKH ...
Page 35: ...35 10 1 1 3 CS PC24QKH ...
Page 36: ...36 10 1 1 4 CS PC28QKH ...
Page 52: ...52 12 2 5 Wire Stripping and Connecting Requirement ...
Page 58: ...58 13 1 2 Cooling Operation Time Diagram For PC18 24 28QKH ...
Page 60: ...60 13 2 2 Soft Dry Operation Time Diagram For PC18 24 28QKH ...
Page 73: ...73 17 1 1 3 To Remove Discharge Grille ...
Page 74: ...74 17 1 1 4 To Remove Control Board 17 1 1 5 To Remove Cross Flow Fan and Indoor Fan Motor ...
Page 75: ...75 ...
Page 77: ...77 17 2 1 3 To Remove Main Electronic Controller Fig 3 ...
Page 78: ...78 17 2 1 4 To Remove Discharge Grille Fig 6 17 2 1 5 To Remove Control Board Fig 7 ...
Page 79: ...79 17 2 1 6 To Remove Cross Flow Fan and Indoor Fan Motor Fig 8 Fig 9 ...
Page 80: ...80 Fig 10 Fig 11 ...
Page 81: ...81 18 Technical Data 18 1 Thermostat Characteristics Cooling Soft Dry ...