FILE NO. SVM-03008

No.

Part name

Procedures

 

 

 

 

 

Remarks

 

 

4

Control board

1) Disconnect lead wires and connectors

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

assembly

connected from the control board

 

CN703

CN602

CN301

CN701

 

 

assembly to other parts.

 

 

 

 

 

 

 

 

 

CN500

 

 

 

 

1. Lead wires

 

 

 

 

 

 

 

 

 

 

 

 

 

CN603

 

 

 

 

 

Connection with terminal block :

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3 wires (Black, White, Orange)

 

CN601

CN600

CN300

 

 

 

 

Connection with compressor :

 

 

 

 

 

 

 

 

 

 

 

Remove the connector (3P)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Connection with reactor :

CN300, CN301 and CN701, etc. at the

 

 

Remove the relay connectors from P07, 08

 

 

control board assembly side are

 

 

(2P, White) and P12, 13 (2P, Yellow).

 

 

connectors with locks. Therefore,

 

 

2. Connectors

 

 

remove the connector while pushing

 

 

CN300 : Outdoor fan (3P, White)

 

 

the part indicated by an arrow.

 

 

CN301 : Outdoor fan position detection

 

 

 

 

 

 

 

 

 

 

 

 

 

(5P, White)

 

 

 

 

 

 

 

 

 

 

 

CN701 : 4-way 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)

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2) Remove the control board assembly from

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

P.C. 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

P.C. board base

 

 

 

and main control board assembly side, and

P.C. board

 

 

 

replace the board with a new one.

 

 

 

 

 

When mounting a new board, check

 

 

 

 

that the board is correctly set in the

 

 

 

 

groove of base holder of P.C. board

 

 

 

 

base.

5

Rear cabinet

1)

Perform work of item 1 of 1, 1 and 2, 3.

Reactor

 

 

2)

Remove fixed screws fixing to the bottom plate.

 

 

 

 

(ST1T4 x 10s 3 pcs.)

 

 

 

3)

Remove fixed screws fixing to the heat

 

 

 

 

exchanger. (ST1T4 x 10s 2 pcs.)

 

 

 

4)

Remove fixed screw fixing to the valve mounting

 

 

 

 

plate. (ST1T4 x 10s 1 pc.)

 

– 78 –

Page 79
Image 79
Toshiba RAS-13UKV-E2, RAS-13UAV-E2 service manual Assembly to other parts

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