Toshiba RAS-13UKV-E Service Manual page 69

No. Part name
„
Control board 1) Disconnect lead wires and connectors con-
assembly
2) Remove the control board assembly from P.C.
…
Rear cabinet 1) Perform work of item 1 of
2) Remove fixed screws fixing to the bottom plate.
3) Remove fixed screws fixing to the heat
4) Remove fixed screw fixing to the valve mounting
Procedure
nected from the control board assembly to other
parts.
1. Lead wires Lead wires Lead wires Lead
wires
• 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).
2. Connectors
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)
board base.
1. Main control board assembly side
• 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.
(ST1TØ4 x 10 3 pcs.)
exchanger. (ST1TØ4 x 10
plate. (ST1TØ4 x 10 1 pc.)
 ‚ ƒ
, and , .
2 pcs.)
– 69 –
Remarks
CN703 CN602 CN301
CN500
CN603
CN601 CN600
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 base
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.
Reactor
CN701