Sanyo KH2442 / CH2442 User Manual

Page 188

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4. Service procedures

1

2

3

4

Section

SM830082

IV - 32

(3)

Checking the Electrical Parts

1

Power transformer (TR1) ..................... Indoor unit

*Measure the coil resistance.

Primary

230-208V ; Measure the resistance between No.1 and No.3

(WHT lead wires) terminals of 3P (WHT) socket connected to
power transformer.

Secondary

14.8V ; Measure the resistance between No.1 and No.2

(RED lead wires).

14.8V ; Measure the resistance between No.3 and No.4

(BRN lead wires).

Refer to “1-3 Other component specifications”.

2

Power transformer (TR) .................... Outdoor unit

*Measure the coil resistance.

Primary

230-208V ; Measure the resistance between No.1 and No.3

(WHT lead wires) terminals of 3P(WHT) socket jointed to power
transformer.

Secondary

14 V ; Measure the resistance between No.1 and No.2

(BRN lead wires).

Refer to “1-3 Other component specifications”.

3

Indoor fan motor (FMI) ......................... Indoor unit

*Measure the coil resistance.

Measure the resistance between each terminal of 9P (WHT) socket connected to the
indoor fan motor.

Refer to “1–2–(A) Major component specifications”.

4

Outdoor fan motor (FMO) .....................Outdoor unit

*Measure the coil resistance.

Measure the resistance in the same manner as explained above

3

.

Refer to “1–2–(B)Major component specifications”.

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