第
57
页
共
59
页
Compressor does not operate.
Turn on power supply.
Does compressor delay
three minutes by
temperature changes or
others?
Does OPERATION
indication indicate?
Is it possible to detect AC
220-240V on terminal
block or contactor of
compressor?
Are all of compressor
cords normal?
Is compressor motor
winding normal?(Check
winding resistor.)
Is capacitor for
compressor normal?
Is overload relay normal?
Does compressor start?
Does compressor stop
after a while?
Is gas quantity normal?
(Check gas pressure.)
Microcontroller is defective or
miniature relay is defective..
Is resistance value of room
sensor (Tr) and heat exchanger
sensor (TP1) normal?
Room sensor or heat
exchanger sensor is
defective.
Replace room sensor
or heat exchanger
sensor.
Compressor is defective.
Capacitor is defective.
Overload relay is defective.
Compressor is defective.
Gas shortage (Gas leak)
Compressor is defective.
Replace P.C. board.
Rewire or replace
defective cords.
Replace compressor.
Replace capacitor.
Replace overload
relay.
Supply gas.
Replace compressor.
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
YES
NO
NO
NO
NO
NO
NO
NO
NO
NO
NO
Check power supply.
Replace compressor.
Wait three minutes
<Primary check>
(1) Is the room temperature higher than the preset temperature in cooling operation?
(2) Is the crossover cable connected properly?
Summary of Contents for CSU 12HCAA
Page 48: ...2005 12 20...
Page 49: ......
Page 57: ...9 59...
Page 59: ...11 59...
Page 60: ...12 59...
Page 61: ...13 59...
Page 62: ...14 59...
Page 63: ...15 59...
Page 64: ...16 59...
Page 65: ...17 59...
Page 66: ...18 59...
Page 67: ...19 59 Installation Guide 4 Indoor unit and outdoor unit explosion diagram and spare parts list...
Page 68: ...20 59 CS 23H3 V77AY1A CS 25H3 V AY1A CS 32H3 V AH4 INDOOR UNIT...
Page 69: ...21 59 CS 51H3 H AH1 INDOOR UNIT...
Page 70: ...22 59 CS 66H3 N AS INDOOR UNIT...
Page 71: ...23 59 CS 88H3 Q AT INDOOR UNIT...
Page 72: ...24 59 KFR 23GW AC CS 25H3 V AY1A OUTDOOR UNIT...
Page 73: ...25 59 CS 32H3 V AH4 OUTDOOR UNIT...
Page 74: ...26 59 CS 51H3 H AH1 OUTDOOR UNIT...
Page 75: ...27 59 CS 66H3 N AS OUTDOOR UNIT...