Hitachi RAS-(3-6)HVNC1(E) - Page 416

10 Servicing
402
SMGB0087 rev.0 - 12/2013
10.6.7 Removing the compressor
1 Remove the service cover and the bottom service cover
following “10.6.1Removingservicecover”, and “10.6.4
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
N O T E
Checktheterminalcodesandmarkbandswhendisconnec-
tingthewires.Connectingwiresinwrongorderatreassem-
blingmayresultincompressordamage.
3 Open the soundproof cover wrapped around the com-
pressor and remove the terminal box cover of the com-
pressor body. Disconnect the compressor wires in the
terminal box and disconnect the thermistor on top of the
compressor. Remove the soundproof cover.
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