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14 Servicing Mode
14.1. Auto OFF/ON Button
1. AUTO OPERATION MODE
The Auto operation will be activated immediately once the Auto OFF/ON button is pressed. This operation can be use to
operate air conditioner with limited function 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 occur at the fifth seconds, in order to identify the starting of Test Run operation.
3. REMOTE CONTROL RECEIVING SOUND OFF/ON MODE
The Remote Control Receiving Sound OFF/ON operation 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” sound will occur at to identify the starting of Remote
Control Receiving Sound Off/On Mode.
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.
14.2. Select Remote Control Transmission Code
•
There are 4 type 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 unit installed nearby together.
• To change remote control transmission code, short or open jumpers at the remote control printed circuit board.
• During Remote Control Receiving Sound OFF/ON Mode, press any button at remote control to transmit and store the desired
transmission code to the EEPROM.
Summary of Contents for CS-C12HKF
Page 9: ...9 5 Dimensions 5 1 Indoor Unit Remote Control 5 1 1 CS C12HK ...
Page 10: ...10 5 2 Outdoor Unit 5 2 1 CU C12HK ...
Page 11: ...11 6 Refrigeration Cycle Diagram ...
Page 12: ...12 7 Block Diagram ...
Page 14: ...14 9 Electronic Circuit Diagram ...
Page 15: ...15 10 Printed Circuit Board 10 1 Indoor Unit 10 1 1 Main Printed Circuit Board TOP VIEW ...
Page 16: ...16 BOTTOM VIEW ...
Page 17: ...17 10 1 2 Power Printed Circuit Board TOP VIEW BOTTOM VIEW ...
Page 18: ...18 10 1 3 Indicator TOP VIEW BOTTOM VIEW ...
Page 46: ...46 ...
Page 47: ...47 16 1 3 To remove discharge grille 16 1 4 To remove control board ...
Page 48: ...48 16 1 5 To remove cross flow fan and indoor fan motor ...
Page 49: ...49 ...
Page 50: ...50 17 Technical Data 17 1 Thermostat Characteristics Cooling Soft Dry ...
Page 51: ...51 17 2 Operation Characteristics 17 2 1 CS C12HK CU C12HK ...
Page 52: ...52 ...
Page 54: ...54 ...