Hitachi FSXN Series Service Manual page 358

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