Hitachi FS3 Series, Service Manual

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2
30
SERVICING
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WARNING: TURN OFF all power source switches
2.5.3 REMOVING MOTOR FOR AUTOMATIC
LOUVER
1. Remove the front panel according to the item 2.5.2,
”Removing Front Panel”.
2. Remove the electrical box according to the item 2.5.5,
“Removing Electrical Box Cover”.
3. Remove four (4) screws fixing the AS motor.
4. Draw out the AS motor horizontally, the AS motor is
separated from the louver shaft.
5. For attaching the AS motor, insert the shaft of the AS motor
into the D-cut hole of the louver, and perform the reverse
procedures for removing AS motor.
2.5.4 REMOVING THERMISTORS FOR LIQUID
PIPE, GAS PIPE, DISCHARGE AIR AND
SUCTION AIR
1. Remove the front panel according to the item 2.5.2,
”Removing Front Panel”.
2. Remove the electrical box according to the item 2.5.5,
”Removing Electrical Box”.
3. Removing Thermistor for Liquid Pipe
Remove the butyl sheet protecting the thermistor for liquid
pipe and remove the thermistor from the holder.
4. Removing Thermistor for Gas Pipe
Remove the piping insulation protecting the thermistor for
gas pipe, by cutting the plastic tie and surrounding tapes
and remove the thermistor from the holder.
Connector (White)
Connector (Black)
Screws (4pcs.)
AS Motor
AS Motor
Connector (White)
Connector
(Black)
Louver (Gray)
Louver (White)
Expansion Valve
Thermistor for Liquid Pipe
Thermistor for Holder
Lead wire of Thermistor
Butyl Sheet
Gas Pipe
Expansion Valve Plastic Tie
Thermistor for Gas Pipe
Piping Insulation
Thermistor Holder
Lead wire of Thermistor