4.3.20 Accumulated operation
time of the compressor
(available for timer reset)
cU1
cU2
4.3.21 Cause code for
stoppage of the Inverter
iT
4.3.22 Cause code for
stoppage of the fan controller
FT
4.4 Information of the indoor
unit
Indoor unit capacity CA
Indoor unit expansion valve
opening
iE
Heat exchanger liquid
temperature
TL
Heat exchanger gas
temperature
TG
Inlet air temperature Ti
Outlet air temperature To
Cause code for stoppage of
the indoor unit
d1
Detailed information of the outdoor unit microcomputer output from the above table (4.3.2):
Mark Description of mark Parts mark in wiring diagram
52C
1
Contactor of relay (Y
52C1
) on PCB1 for Inverter compressor CMC1
52C
2
Contactor of relay (Y
52C2
) on PCB1 for constant speed compressor CMC2
CH
1
Contactor of relay (Y
CH1
) on PCB1 for crankcase heater CH1
CH
2
Contactor of relay (Y
CH2
) on PCB1 for crankcase heater CH2
20A
1
Contactor of relay (Y
20A1
) on PCB1 for solenoid valve SVA
20A
2
- -
21
1
Contactor of relay (Y
211
) on PCB1 for reversing valve RVR1
21
2
Contactor of relay (Y
212
) on PCB1 for reversing valve RVR2
FAN - -
20B - -
20C - -
20F
1
- -
20F
2
- -
20CHG - -
X
1
Contactor of relay (Y
X1
) on PCB1 for solenoid valve SVG
X
2
- -
12 Maintenance notes
356
SMGB0065 rev. 1 - 12/2010