AC Condenser
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Question 1 of 10
1. Question
The number of ounces of refrigerant needing to be added to a system at the time of installation is determined by taking the total length of the line set used in feet, subtracting 10 feet, and then multiplying that number by 0.6?
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Question 2 of 10
2. Question
On a two-stage condensing unit, you must have an active call on Y1 and Y2 at the same time to initiate second stage operation.
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Question 3 of 10
3. Question
Where is the best place to look for system performance data for the XR Series Condensers?
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Question 4 of 10
4. Question
On a single-phase unit, it is possible for a compressor to run backwards.
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Question 5 of 10
5. Question
What is a possible factor for a single-phase compressor not starting?
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Question 6 of 10
6. Question
Condensing units come with enough refrigerant for 10 feet of line set and the smallest AHRI rated coil.
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Question 7 of 10
7. Question
When should you braze using a nitrogen purge?
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Question 8 of 10
8. Question
You need to check the subcooling adjustment tables found in the service facts when charging a system by subcooling.
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Question 9 of 10
9. Question
You can bypass the rectifier on a two-stage unit with 24 VAC for diagnostic purposes.
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Question 10 of 10
10. Question
You can accurately charge a two-stage unit in first stage.
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