Refrigeration & Air Conditioning Mechanic Red Seal · Question
A compressor cycling on its internal overload protection switch indicates what primary issue?
The internal overload protects the motor from damage due to excessive heat caused by high current draws or poor cooling.
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Question: A compressor cycling on its internal overload protection switch indicates what primary issue?
Answer options: ✅ Overheating of the compressor motor
- Insufficient refrigerant charge
- Excessive airflow over the condenser
- Low ambient temperature
Correct answer: Overheating of the compressor motor
Explanation: The internal overload protects the motor from damage due to excessive heat caused by high current draws or poor cooling.
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Question explanations
- Which of the following refrigerants is a hydrofluorocarbon (HFC) and has a high ozone depletion potential (ODP
- Which component is responsible for compressing the refrigerant vapour to a high pressure and temperature?
- According to the Canadian Electrical Code (CEC), what is the minimum required working clearance in front of el
- What is the main operating characteristic difference between a fixed orifice (capillary tube) and a Thermostat
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