Refrigeration & Air Conditioning Mechanic Red Seal · Question
A residential packaged rooftop unit is being installed. Which of the following considerations is paramount for ensuring effective condensate drainage?
Proper condensate drainage relies on gravity. If the unit is not level or sloped correctly towards the drain pan, water can collect, overflow, and cause damage
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Question: A residential packaged rooftop unit is being installed. Which of the following considerations is paramount for ensuring effective condensate drainage?
Answer options:
- Insulating the supply ductwork ✅ Ensuring the unit is level or slightly sloped towards the drain
- Installing oversized electrical wiring
- Locating the unit facing north
Correct answer: Ensuring the unit is level or slightly sloped towards the drain
Explanation: Proper condensate drainage relies on gravity. If the unit is not level or sloped correctly towards the drain pan, water can collect, overflow, and cause damage or inhibit efficient operation due to high humidity.
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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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