Hitachi RAS-(3-6)HVNC1(E) - Page 464

10 Servicing
450
SMGB0087 rev.0 - 12/2013
10.9.14 Removing electrical components
10.9.14.1 Removing control PCB (PCB1)
1 Remove the service cover following “10.9.1Removingser-
vicecover”.
2 Remove all the wiring connected to the control PCB.
3 Remove the holders. Clamp the middle part of the holders
with long-nose pliers and remove it toward front side.
Holder
10.9.14.2 Removing Inverter module
1 Remove the service cover following “10.9.1 Removing
servicecover”.
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.
3 Remove 4 screws M3, remove the bushes and remove
the spacers xing the inverter.
N O T E
Whenmounting again be sure to place the bushesand
spacers.
Holder
PCB
Spacer
Inverter PCB
Bush
M3 screw
Removing Diode Module (DM)
1 Disconnect the wirings of terminal + - U V W on the diode module.
2 Remove 2 M5 xing screws on the diode module.
3 Remove the diode module from the electrical box.
1 5 Screws (M5)
2
Fixing screw (M5)