XR Series Heat Pump Condenser
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Question 1 of 10
1. Question
A forced defrost test can be performed by shorting the open-close test pins on the EVC board
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Question 2 of 10
2. Question
You must have a W call from the thermostat to initiate a call for compressor heating on a heat pump system
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Question 3 of 10
3. Question
When calculating supplemental heat requirements for a heat pump system, 1 Watt equals 3.412 BTU’s is important for you to know
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Question 4 of 10
4. Question
What is the X1, black low voltage wire on the defrost control board, used for on a heat pump condensing unit?
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Question 5 of 10
5. Question
What is required for normal operation on a Defrost Control board?
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Question 6 of 10
6. Question
When installing the heat pump condenser, it is important to keep the side panel to the left of the service ports fully accessible for what reason?
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Question 7 of 10
7. Question
Sending 24 VAC to the reversing valve is necessary when calling for which operation?
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Question 8 of 10
8. Question
On a two-stage heat pump condenser, you must have an active call on Y1 and Y2 at the same time to initiate second stage operation
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Question 9 of 10
9. Question
When should you braze using a nitrogen purge?
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Question 10 of 10
10. Question
When checking the charge in heating mode, you must connect your hoses to which ports?
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