Hitachi FSG Series Service Manual page 95

n Self- Checking Procedures in Check Mode
For: RCI- FSGE, RCD-FSG, RPI-FSG(E), RPC-FSGE, RPF(I)-FSG
Check Item
(A) Initialize Exp. Valve
Exp. Valve fully open “ fully closed
and Auto Louver
Auto Louver is horizontally stopped.
(B) Analog Test
If each thermistor for intake air, discharge air and freeze
protection is normal, proceed to the next step.
(C) Each Relay Test
Total Heat
Exchanger (CN20)
YFAN
YH2
Y52H1, 2, 3
FAN
(CN21)
Repeatedly Perform
RUN (CN6)
ALARM (CN7)
COOL (CN5-3#)
COOL Thermo-ON
(CN5-2#)
HEAT (CN8-2#)
HEAT Thermo-ON
(CN8-3#)
Termination Turn OFF and reset all dip switches as they were.
For: RPK-FSGM
Check Item
(A) Initialize Exp. Valve
Exp. Valve fully open “ fully closed
and Auto Louver
Auto Louver is horizontally stopped.
(B) Analog Test
If each thermistor for intake air, discharge air and freeze
protection is normal, proceed to the next step.
(C) Each Relay Test
52H1, 2, 3 Fan
(Low) Wireless
Repeatedly Perform Receiver Part
(Red) Wireless
Receiver Part
(Green) Wireless
Receiver Part
(Yellow)
Termination Turn OFF and reset all dip switches as they were.
State of Mode
Hi Me
State of Mode
TROUBLESHOOTING
Confirmation Method
If FAN operation is available, it is
normal.
Check ON/OFF sound of relays
and LED lamp.
(Sec)
Confirmation Method
Check ON/OFF sound of relays
and LED lamp.
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