Answer C: auxiliary heat exchanger injected with a ethylene glycol solution.
10. 10. Room thermostats for heat pumps should be installed
Answer B: as near to the main return air grill as possible.
11. 11. When the heat pump compressor has malfunetioned, the cus tomer has the option to
switch the system into
Answer B: emergency heat mode.
12. 12. Start-up with a night set back digital thermostat requires the technician to always
Answer D: teach the customer to program the thermostat.
13. 13. The heat pump defrost board can be manipulated by the technician to
Answer C: simulate the defrost cycle.
14. 14. The air-to-air heat pump outdoor unit is most efficient if located
Answer C: in a moderate climate zone.
3/
3 of 20 10/8/2024, 8:20
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller BESTGOODIES. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.