10 Servicing
3
Check to ensure the LED201 (Red) of the inverter PCB is off when opening P-mounting plate.
4
Remove other electrical components according to the procedure below, and the figures on Chapter 10.
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.
N O T E
•
Disconnect all the wires connected with the smoothing capacitor (CB, CB1, CB2, CA).
•
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 noise filter (NF1).
•
Remove the noise filter by clamping the top of the holder (6 portions) with a pincher.
•
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.
10.2.3 Oudoor units RAS-(8-12)HRNM
¿
Removing service cover
N O T E
•
Remove the main parts according to the following procedures.
–
To reassemble perform the procedures in reverse.
–
To prevent contamination of the refrigerant with water or foreign particles, do not expose open to
atmosphere for long periods.
–
If necessary, seal pipe ends using caps or tape.
1
Remove the four (4) fixing screws.
2
Slide the service cover downward and remove it.
3
Pay attention of not falling off the service cover.
1. Service cover.
379
SMGB0060 rev. 1- 12/2010
10
1