Hitachi RAS-(3-6)HVNC1(E) - Page 465

10 Servicing
451
SMGB0087 rev.0 - 12/2013
10
Removing Transistor Module (IPM)
1 Disconnect all the wirings connected to the transistor module.
2 Remove the connectors CN2, CN3, CN206, PCN301 and PCN302
from the transistor module.
3 Disconnect the wirings of P N U V W on the transistor module.
4 Remove 4 M4 xing screws on the transistor module.
5 Remove the transistor module from the electrical box.
6 Reassemble the parts in the reverse order of removing order.
N O T E
Identifyterminalwiththemarkbandwhenreassemblingtoavoidinco-
rrectwiring.
1 Screws for transistor module (M4)
2
Screw (M5)
3
PCN301
4
PCN302
5
Screws for PCB (M3)
6
CN3
7
Inverter PCB
8
CN206
9
CN2
10
LED201
10.9.15 Removing other electrical components
1 Remove the service cover following “10.9.1Removingservicecover”in this chapter.
2 Open the P plate turning counter clockwise approximately 90° following “10.9.9Openingelectricalbox(P-Mounting
Plate)”.
• Check that the LED201 (red) on Inverter is OFF when the P plate is opened.