Hitachi UTOPIA RAS-4HVRP2E Service Manual page 212

9 Servicing
RAS-(4-6)H(V)(R/N)(C/P)2E
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THM7 - Thermistor for outdoor ambient temperature (Ta)
1 Remove the fixing screw -1- of the thermistor plate -2-.
2 Unclip the thermistor -3- from the plate -4- and remove the thermistor plate -2-.
3 Disassembly the rear cover according to the item "9.3.4 Removing bottom service cover and rear cover".
4 Disassembly the service cover according to the item "9.3.1 Removing service cover".
5 Pull the wire off along its routing, release the clamps fixing the wire and pass all the vinyl pipe until the electrical box.
6 Disconnect the thermistor -3- from the PCB1 connector.
7 Install the wire until it is the same as it was originally.
8 Connect the thermistor -3- to the PCB1 connector.
9 Assembly the service cover according to the item "9.3.1 Removing service cover".
10 Assembly the rear cover according to the item ""9.3.4 Removing bottom service cover and rear cover".
11 Clip the thermistor -3- to the plate -4- and assembly the thermistor plate -2- with the fixing screw -1-.
210 SMGB0136 rev.0 - 07/2021
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