Hitachi RWM-(H)FSN3E, Service Manual

Page: 308 / 424

11 Servicing
SMGB0070 rev. 1 - 08/2011
298

Removing high pressure switch and control
pressure switch
Remove the service cover according to the section
Remo-
ving service cover
in this chapter.
Collect the refrigerant from the check joint according to the
section Removing the compressor in this chapter.
Disconnect the fasten terminals from the pressure switches.
• Cut the high pressure switch (63H1) and control pressu-
re switch (63H2) from the brazing neck using a burner.
No. Part
1 Upper cover
2 Rear cover
3 Pressure switch for control (63L)
4 Electrical box
5 Brazing
6 Discharge pipe
No. Part
1 High pressure switch (63H1)
2 Pressure switch for control (63H2)

Opening electrical box (P-mounting plate)
Remove the service cover according to the section Remo-
ving the service cover in this chapter.
• Remove the six (6) screws fixing the electrical box. Open
the P-mounting plate by rotating it 90 degrees to the left.
No. Part
1 Upper cover
2 P-Mounting plate
3 2 Screws
D A N G E R
• Check that the LED201 (red) located on the “W”
surface PCB is OFF when opening the P-mounting
plate.
• Do not touch the electrical components when
LED201 (Red) located on the “W” surface PCB is ON
in order to avoid an electrical shock.
1
2
3
4
5
6
2
1
2
1
3
3
3