Toshiba RAS-M10PKVP-E Service Manual page 137

No. Part name
5 CDB P.C. 1) Perform works of Detachment 1 of 1 and 4) of 4.
board
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.
2) Remove the connector and the relay connector 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.
3) Remove the earth wire of CDB P.C. board
(Truss head B tight Ø4 × 6, 1 pc.)
4) Remove CDB P.C. board from CDB fixed board.
5) Mount a new CDB P.C. board.
∗ When connecting the connectors on CDB P.C. board to
support CDB fixed board with hand.
6 DI P.C. 1) Perform works of Detachment 1 of 1 , 3) of 2 , 4 and 2), 3)
board 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.
2) Take off screw for CDB fixed board and the inverter box.
(ST1T Ø4 × 8, 1 pc.)
3) Remove CDB P.C. board assembly.
4) Remove the connectors connected to DI P.C. board. (4-way
valve coil, compressor case thermo, UART × 2, Inter-unit
wire)
5) Remove the relay connector for fan motor and reactor.
6) Remove the lead wire connected to DI P.C. board.
(Tightening torque: 1.47 ± 0.1 N•m)
Compressor lead
Remove the power supply cable from the power supply
terminal block.
Power supply lead L: Red
Power supply lead N: White
Procedure
U : CN200, Red
V : CN201, White
W : CN202, Black
– 137 –
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