Hitachi RPI-0.8FSG1 Service Manual page 118

TROUBLESHOOTING
(2) Self-Checking Procedures in Check Mode
* for RPC (Before Alteration), RPF(I) and RPC (8, 10HP)
Check Item
(A) Initialize Exp. Valve
and Auto Louver
(B) Analog Test
(C) Each Relay Test
Repeatedly
Perform
Termination
* for RPK
Check Item
(A) Initialize Exp. Valve
and Auto Louver
(B) Analog Test
(C) Each Relay Test
Repeatedly
Perform
Termination
1-108
State of Mode
Exp. Valve fully open => fully close
Auto Louver is horizontally stopped.
If each thermistor for intake air, discharge air and
freeze protection is normal, proceed to the next step.
YFAN
YH2
Y52H1, 2, 3
FAN
(CN21)
RUN (CN6)
ALARM (CN7)
COOL (CN5-3#)
COOL Thermo-ON
(CN5-2#)
HEAT (CN8-2#)
HEAT Thermo-ON
(CN8-3#)
1
Turn OFF and reset all dip switches as they were.
State of Mode
Exp. Valve fully open => fully close
Auto Louver is horizontally stopped.
If each thermistor for intake air, discharge air and
freeze protection is normal, proceed to the next step.
52H1, 2, 3
Fan (Low)
Wireless Receiver
Part (Red)
Wireless Receiver
Part (Green)
Wireless Receiver
Part (Yellow)
Turn OFF and reset all dip switches as they were.
Hi Me
2 3 4 5 6
(sec)
Confirmation Method
If FAN operation is
available, it is normal.
Check ON/OFF sound
of relays and LED
lamp.
7
Confirmation Method
Check ON/OFF sound
of relays.