Hitachi P-N23NA2 - Removal of the Thermistors from the Liquid and Gas Pipes

9 Servicing
RPI-(8.0-20.0)FSN3(P)E(-f) - Ducted indoor unit
SMGB0099 rev.0 - 12/2016
297
9
9.7.4 Removal of the thermistors from the liquid and gas pipes
1 Remove the appropriate service cover for accessing to the
liquid / gas thermistors.
a. For (8.0/10.0)HP: Remove all the screws (A) from the
lower cover of the unit and remove the cover.
b. For (16.0/20.0)HP: Remove the screws from the cycle
service cover and remove it.
2 Remove the electrical box cover as indicated in chapter
“9.7.1 Removal of the electrical box cover”.
3 Disconnect the thermistor.
? NOTE
• To disconnect and remove the appropriate thermistor, previously
see the chapter corresponding to the wiring diagrams in this
Manual.
• Black connector: liquid thermistor.
• Yellow connector: gas thermistor.
Cycle
service
cover
4 Remove the gas and liquid thermistor insulation cover.
5 Remove the special clamp holding the thermistor to the
copper piping and remove it.
? NOTE
When tting the thermistors, remember that they must be secured
correctly by the special clamp and completely covered by the
previously removed insulation.
Thermistor
for gas
pipes
Thermistor
for liquid
pipes
9.7.5 Removal of the drain pan

For RPI-(8.0/10.0)FSN3E(-f)
1 Remove all screws -A- from the lower cover of the unit and
separate it.
2 Release the unit drainage connection.
3 Remove the screws -A- securing the drain pan and remove
it.
? NOTE
When tting, seal the drain hose gasket correctly.