Mitsubishi FDT100VNXWVH Service Manual page 61

Hyper inverter packaged air-conditioners
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b) Power PCB
This PCB is a general PCB. Replace the PCB according to this instruction.
This PCB is a general PCB. Replace the PCB according to this instruction.
i) Replace the PCB
i)Replace the PCB
① Unscrew terminal of the wiring(yellow/green) connected to terminal block (CNWO) from the box.
② Replace the PCB only after all the wirings connected to the connector are removed.
� Unscrew terminal(Arrow A) of the "E2" wiring(yellow/green) that is connected to PCB.
� Replace the PCB only after all the wirings connected to the connector are removed.
③ Fix the board such that it will not pinch any of the wires.
� Fix the board such that it will not p inch any of the wires.
④ Reconnect the wirings to the PCB. Wiring connector color should match with the color of connector of the PCB.
� Reconnect the wirings to the PCB. Wiring connector color should match with the color of connector of the PCB.
⑤ Screw back the terminal of wiring, that was removed in ①.
� Screw back the terminal(Arrow A) of the "E2" wiring, that was removed in 1.
ii)Power PCB
ii) Power PCB
Parts mounting are different by the kind of PCB.
Parts mounting are different by the kind of
• Models FDE50-140VH, FDUM50VH
• Models FDU100VH, 125VH, 140VH
CNW3(White)
Terminal block
CNW1(White)
CNW1(White)
Control PCB
Control PCB
CNW3(White)
Terminal block
• Models FDUM60VH, 71VH, 100VH, 125VH, 140VH
CNW3(White)
Terminal block
CNW1(White)
Control PCB
PCB
.
Part number
CNM2(Black)
CNM1(White)
Fan motor2
Fan motor1
CNM2(Black)
Fan motor2
Part number
60
-
-
CNM1(White)
Fan motor
CNM1(White)
Fan motor1
CNWR(White)
Reactor
'20 • PAC-SM-351
PSC012D021
B
CNW0(White)
CNWR(White)
Terminal block
Reactor
CNW0(White)
Terminal block
Part number
PSB012D993
CNW0(White)
Terminal block

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