Hitachi RAS-(3-6)HVRNM2E Service Manual page 435

10 Servicing
noid Valve, see on page 432.
4. Remove the Faston terminals of high pressure switch and the pressure switch for control from the switch
body.
5. Remove connectors on the control PCB.
- THM7 (Outdoor Air)
- THM8 (Piping)
- THM9(Compressor-top)
- PCN5(Crankcase Heater)
6. Remove connectors on the DIP-IPM CN202
7. Remove the compressor power wire from the compressor.
8. To remount the
(Insert the radiation fin into the U-notch on the partition plate and place the fin on the fan box side. Then
attach the electrical box hooking onto the partition plate).
Correct installation
  
Removing the compressor
1 Remove the service cover upper cover bottom service cover and rear cover following
page 420 Removing upper
When the outdoor unit is installed close to a wall remove the refrigerant piping and move the unit from the wall.
2 Remove the electrical box following
3 Collect the refrigerant from the check joint.
4 Remove the valve stay.
1. Upper Cover.
2. Check joint.
3. Rear panel.
4. Crankcase heater.
5. Rear pipe cover.
6. Valve stay
5 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 re-
move the thermistor on top of the compressor. Remove the
soundproof cover.
• Check the terminal codes and mark bands when disconnecting
the wires. Connecting wires in wrong order at reassembling
may result in compressor damage.
425
SMGB0064 rev.0 - 08/2011
electrical box attach the
1. Partition Plate.
2. Place the electrical box onto the front
fold of the partition plate (see correct ins-
tallation).
cover, see on page 421 and Removing the bottom service cover and rear
Removing electrical
electrical box fitting
1. Place to hook the part onto the partition
plate.
box, see on page 424.
6
with the partition plate.
Fan Box
Removing service cover, see on
cover, see on page 421.
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