Hitachi RCI-1.0FSR Service Manual page 270

7 Servicing
RPK-FSR(H)M - Wall mounted
4 Removing Gas Pipe Thermistor
a. The gas pipe thermistor is fixed to the inside of the thermistor pipe brazed to the gas pipe by the thermistor holder.
Remove the thermistor holder from the thermistor. Then, the gas pipe thermistor can be removed.
b. When attaching the gas pipe thermistor, attach it in the reverse procedure. Get the thermistor firmly attached to
the inside of the piping with the thermistor holder.
c. After attaching the thermistor, clamp the wiring for the expansion valve, freeze protection thermistor, gas pipe
thermistor and inlet air thermistor with 1 plastic band.
Inlet air thermistor
5 Removing Inlet Air Thermistor
a. The inlet air thermistor is fixed to the receiver PCB holder cover under the electrical box. Its wire runs the back
of the receiver PCB holder and enters into the electrical box from the opening for wires on the bottom of the
electrical box. Detach three catches on the back of the receiver PCB holder cover to dismount the cover out
of the holder. Dismount the receiver PCB out of the receiver PCB holder cover that clamp the PCB with three
catches. Cut the cable band off and remove the inlet air thermistor.
b. When to attach inlet air thermistor, take the reverse steps of it. Care to not get the wire caught between the
receiver PCB holder cover and the receiver PCB holder. The risk runs of wire disconnection.
Cable band
Inlet air
thermistor
6 Removing Outlet Air Thermistor
a. Remove the drain pan according to the item "7.7.8 Removing drain
b. Detach cord fitment tape on the outlet air thermistor.
260 SMGB0137 rev.0 - 05/2021
Resin component fixing
inlet air thermistor
Freeze protection
thermistor
Gas pipe
thermistor
Plastic band (B)
Catches on receiver PCB holder
cover (2 Portions)
Thermistor pipe
Freeze protection
thermistor
Termo Clip
Reverse side of receiver PCB holder cover
Catches for fixing Receiver PCB (3 Positions)
pan".