Toshiba RAS-M16PKVP-E Service Manual page 131

No. Part name
CDB P .C. board 1) Perform works of Detachment 1 of 1 and 4)
5
2) Remove the connector and the relay connector
3) Remove the earth wire of CDB P .C. board
4) Remove CDB P .C. board from CDB fixed board.
5) Mount a new CDB P .C. board.
DI P .C. board 1) Perform works of Detachment 1 of
6
2) Take off screw for CDB fixed board and the
3) Remove CDB P .C. board assembly.
4) Remove the connectors connected to DI P .C.
5) Remove the relay connector for fan motor and
6) Remove the lead wire connected to DI P .C.
Procedure
of 4 .
CAUTION
Never disassemble the inverter until 5 minutes
after the power supply was turned off because
there is a fear that an electric shock may occur.
that are connected from CDB P .C. board to DI
P .C. board, power supply and the inter-unit wire.
CN802: UART (5P , Blue)
CN804: UART (5P , White)
CN01: Power supply (3P , Red)
Terminal relay connector (6P , White)
Unlock the lock of the housing unit and then
remove the connectors.
(Truss head B tight Ø4 × 6, 1 pc.)
When connecting the connectors on CDB
P .C. board to support CDB fixed board with
hand.
2 , 4 and 2), 3) of 5 .
CAUTION
Never disassemble the inverter until 5 minutes
after the power supply was turned off because
there is a fear that an electric shock may occur.
inverter box. (ST1T Ø4 × 8, 1 pc.)
board. (4-way valve coil, compressor case
thermo, UART × 2, Inter-unit wire)
reactor.
board. (Tightening torque: 1.47 ± 0.1 N•m)
Compressor lead U : CN200, Red
V : CN201, White
W : CN202, Black
Remove the power supply cable from the
power supply terminal block.
Power supply lead L: Red
Power supply lead N: White
, 3) of
1
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Remarks
Power supply Terminal relay
connector connector
CDB P.C. board
UART UART
(CN804) (CN802)
CDB fixed board
Earth screw
Reactor relay connector
Compressor 4-way
lead valve coil
DI P.C. board
UART
Compressor Fan motor
case thermo relay connector
Power supply terminal block