Toshiba RAS-10YAV-E Service Manual page 64

No. Part name
T
Control board 1) Disconnect lead wires and connectors connected
assembly from the control board assembly to other parts.
1. Lead wires
2. Connectors
2) Remove the control board assembly from P .C.
board base.
1. Main control board assembly side
U
Rear cabinet 1) Perform work of item 1 of
2) Remove fixed screws fixing to the bottom plate.
(ST1TØ4 x 10l 3 pcs.)
3) Remove fixed screws fixing to the heat
exchanger. (ST1TØ4 x 10l 2 pcs.)
4) Remove fixed screw fixing to the valve mounting
plate. (ST1TØ4 x 10l 1 pc.)
Procedure
• Connection with terminal block :
3 wires (Black, White, Orange)
• Connection with compressor :
Remove the connector (3P).
• Connection with reactor :
Remove the relay connectors from P07, 08
(2P , White) and P12, 13 (2P , Yellow).
CN300 : Outdoor fan (3P , White)
CN301 : Outdoor fan position detection
(5P , White)
CN701 : 4 valve (3P , Yellow)
CN600 : TE sensor (2P , White)
CN601 : TD sensor (3P , White)
CN603 : TS sensor (3P , White)
CN602 : TO sensor (2P , White)
CN500 : Case thermo. (2P , White)
CN703 : Pulse modulating valve (6P , White)
• Remove two claws of P.C. board base, and
remove upward the heat sink with hands.
• Remove three screws fixing the heat sink
and main control board assembly side, and
replace the board with a new one.
Q
, and
– 64 –
CN301
CN300
CN300, CN301 and CN701, etc.
at the control board assembly
side are connectors with locks.
Therefore, remove the connector
while pushing the part indicated
by an arrow.
P.C. board
When mounting a new board,
check that the board is correctly
set in the groove of base holder
of P .C. board base.
R S
.
Remarks
CN703 CN500 CN701
CN602 CN601
CN600 CN603
P.C. board base
Reactor