Electric Motor Control
Electric Motor Control
10th Edition
ISBN: 9781133702818
Author: Herman
Publisher: CENGAGE L
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Chapter 10, Problem 10SQ

Refer to Figure 10–6. When the thermostat contact closes, the compressor and evaporator fan start but the condenser fan does not start. Which of the following could NOT cause this problem?

a. The condenser fan motor is burned out.

b. The coil of the CF contactor is open.

c. One of the CF load contacts is defective.

d. The CFOL contact is open.

Chapter 10, Problem 10SQ, Refer to Figure 106. When the thermostat contact closes, the compressor and evaporator fan start but

Fig. 10–6 Pressure switches are often used in air-conditioning circuits.

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