4. Service procedures

4

(3)Checking the Electrical Parts

1 Power transformer (TR1)

Indoor unit *Measure the coil resistance.

Primary 220-240 V ; Measure the resistance between two WHT lead wire terminals of socket connected to power transformer.

Secondary 10.6V ; Measure the resistance between two BRN lead wires. Refer to “1–3–(A) Other component specifications”.

2 Indoor fan motor (FMI)

Indoor unit

*Measure the coil resistance.

Measure the resistance between each terminal of the socket connected to the indoor fan motor.

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

3 Outdoor fan motor (FMO)

Outdoor unit

*Measure the coil resistance.

Measure the resistance in the same manner as explained above 2. Refer to “1–2–(B) Major component specifications”.

4Fan motor capacitor ............ Both in indoor and outdoor unit

Remove the lead wires from the capacitor terminals, and then place a probe on the capacitor terminals as shown in Fig. 47. Observe the deflection of the pointer, setting the resistance measuring range of the multimeter to the maximum value.

The capacitor is “acceptable” if the pointer bounces to a great extent and then gradually returns to its original

position.

Multimeter

 

NOTE

The range of deflection and the deflection time differ according to the capacity of the capacitor.

Fan motor

Capacitor

0643_X_S

Fig. 47

SM830043

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Image 70
Sanyo SPW-T253GS56, SPW-T363GS56, SPW-T483G56, SPW-T483GS56 Indoor fan motor FMI Indoor unit Measure the coil resistance

SPW-C303G5, SPW-T253GS56, SPW-T303GS56, SPW-C363G5, SPW-T303G56 specifications

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