Hitachi FS3 Series, Service Manual

Page: 141 / 240

2
SERVICING
27
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WARNING: TURN OFF all power source switches
5. Pull out the rubber plug and drain the water left in the drain
pan. Prick the drain hole with a pencil, etc., to check to
ensure that the drain hole is not clogged.
6. Remove the screws fixing the drain piping pan base 1, 2
and the stay
7. Remove the drain pan by sliding in the arrow direction and
drawing out in a downward direction after loosening two (2)
screws fixing the drain pan at both sides of the support
plate.
2.4.12 REMOVING THERMISTORS FOR LIQUID AND
GAS PIPES
1. Remove the optional air panel according to the item 2.4.4,
”Removing Optional Air Panel”.
2. Remove the fan assembly according to the item 2.4.5,
”Removing Fan Motor”.
3. Remove the drain pan according to the item 2.4.11,
”Removing Drain Pan”.
4. Remove the CORK TAPE (for gas pipe) or the butyl sheet
(for liquid pipe) fixing the thermistors, remove the thermo
clip for the the thermistors from the pipes and remove the
thermistors.
2.4.13 REMOVING ELECTRONIC EXPANSION
VALVE COIL
1. Remove the optional air panel according to the item 2.4.4
”Removing Optional Air Panel”.
2. Remove the fan assembly according to the item 2.4.5
”Removing Fan Motor”.
3. Remove the drain pan according to the item 2.4.11
”Removing Drain Pan”.
4. Refer to the item 2.3.11 “Removing Expansion
Valve Coil” in page 2-20 and 21 for the procedures
of removing electronic expansion valve coil
Support Plate
Screw
Rubber Plug
Drain Pan
Screw
Thermistor Thermo Clip
Thermistor for
Gas Pipe
Thermistor for
Liquid Pipe
Expansion
Valve