Toshiba RAS-10UKV-E Service Manual page 70

No. Part name
4
Control board
assembly
5
Rear cabinet
Procedures
1) Disconnect lead wires and connectors
connected from the control board
assembly to other parts.
1. Lead wires
• Connection with terminal block :
3 wires (Black, White, Orange)
• Connection with compressor : remove
the connector (3P)
• Connection with reactor : remove the
connector (2P)
2. Connectors (6 positions)
CN300 : Outdoor fan (3P: white)*
(See Note 1)
CN701 : 4 way valve (3P: Yellow)*
CN601 : TD sensor (2P: White)
CN602 : TO sensor (2P: White)
CN500 : Case thermo (2P: White)
∗ Note 1) As the connector has a
stopper, release the housing
lock when removing.
∗∗ Note 2) Hold the housing (resin part)
with stopper and pull out to
remove.
2) Remove the screws fixing the control
board assembly and inverter box.
3) Remove the control board assembly from
the inverter box.
Note 3) Remove the claw of the
board support fixed to the
inverter board, and remove
upwards holding the heat
sink.
4) Remove the three screws fixing the heat
sink and control board assembly.
5) Attach the new control board assembly.
Note 4) When attaching the new
control board assembly,
insert the P.C. board into the
guide rail groove correctly.
1) Perform work of item 1 of 1, 1 of 2 and
5 of 3.
2) Remove the fixed screws fixing to the
base plate.
(ST1T∅4 x 10s 3 pcs.)
3) Remove the fixed screws fixing the heat
exchanger.
(ST1T∅4 x 10s 2 pcs.)
4) Remove the upper surface of the motor
base and the rear cabinet.
• Insert a minus driver into the tip of the
hooking claw of the rear cabinet to
remove.
As CN300 and CN701 are
connectors with lock, remove
while pushing the part indicated
by an arrow
– 69 –
FILE NO. SVM-02007
Remarks
CN602 CN601
CN300 CN701
CN500
P.C. board support
Remove
P.C. board
Inverter box
Guide rail
P.C. board
Minus screwdriver
Claw for hooking
Rear cabinet
Motor base