Refrigeration & Air Conditioning Mechanic Red Seal · Question
A common cause for a refrigeration system repeatedly tripping on a high-pressure cutout could be:
A dirty condenser coil restricts heat rejection, leading to higher head pressure and eventually tripping the high-pressure cutout.
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Question: A common cause for a refrigeration system repeatedly tripping on a high-pressure cutout could be:
Answer options: ✅ Dirty condenser coil
- Undercharged system
- Failed evaporator fan motor
- Excessive superheat
Correct answer: Dirty condenser coil
Explanation: A dirty condenser coil restricts heat rejection, leading to higher head pressure and eventually tripping the high-pressure cutout.
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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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