Hitachi RAS-(2-6)HVNP1(E), Руководство по обслуживанию

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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 fixing 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.