Hitachi RAS-(3-6)HVNC1(E) - Page 457

10 Servicing
443
SMGB0087 rev.0 - 12/2013
10
10.9.7 Removing the compressor
1 Remove the service cover and the bottom service cover
following “10.9.1Removing servicecover”, and “10.9.4
Removing the bottom service cover and rear cover”.
When the outdoor unit is installed close to a wall remove
the refrigerant piping and move the unit from the wall.
2 Collect the refrigerant from the check joint.
N O T E
CheckPerformtherecoveryworkatthecheckjointofpi-
ping.Ifnot,therefrigerantremainsinside.
1
2
3
4
5
6
Upper cover
Check joint
Rear panel
Cranckcase heater
Rear pipe cover
Valve stay
3 Open the soundproof cover wrapped around the compressor and
remove the terminal box cover of the compressor body. Disconnect
the compressor wires in the terminal box and disconnect the ther-
mistor on top of the compressor. Remove the soundproof cover.
N O T E
Check the terminal codes and mark bands when disconnecting the
wires.Connectingwiresinwrongorderatreassemblingmayresultin
compressordamage.
4 Remove the rubber cap and the thermistor attached on top of the
compressor.
5 Remove the crankcase heater.
1 Sound-proof cover
2
Oil heater
3
Cut part
A
Direction to remove the cover