Hitachi RHUE-3AVHN, Руководство по обслуживанию

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257
RHUE-(3~6)A(V)HN
SMGB0066 rev.0 - 12/2009
Servicing
Service Manual
9
9.1.21. removing other electrical
components
Remove the service cover according to the section 1.
“Removing service cover” in this chapter.
Open the P-mounting plate by rotating it 90 degrees to 2.
the left according to the section “Opening electrical box
(P-Mounting Plate)” in this chapter.
Check to ensure the LED201 (Red) of the inverter PCB 3.
is off when opening P-mounting plate.
Remove other electrical components according to the 4.
procedure below, and the figures on chapter 9.

danger
Electrical hazard. Risk of death. -
Check that the LED201 (red) located on the inverter -
module is OFF when opening the P-mounting plate.
Do not touch the electrical components when LED201
-
(Red) located on the inverter module is ON in order to
avoid an electrical shock.
Disconnect all the wires connected with the smoothing
capacitor (CB, CB1, CB2, CA).
If the wire has polar characters. Identify the wire mark
band and the indication on the smoothing capacitor when
wire connecting.
Remove the two (2) screws fixing the smoothing capacitor
and remove the smoothing capacitor.
Disconnect all the wires connecting with the magnetic
contactor (CMC1).
Remove the two (2) screws fixing the magnetic contactor
and remove the magnetic contactor.
Remove the four (4) screws fixing the reactor and remove
the reactor (DCL).
Disconnect all the wires connected with the electrical-
noise filter (NF1).
Remove the noise filter by clamping the top of the holder
(6 portions) with a pincher.

note
Identify the terminal numbers with mark band. When -
reassembling, the terminals have to be connected to the
correct numbers . If incorrectly connected, malfunctions or
damages will occur.