XR Series AC Condenser QUIZ

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?

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.

Where is the best place to look for system performance data for the XR Series Condensers?

On a single-phase unit, it is possible for a compressor to run backwards.

What is a possible factor for a single-phase compressor not starting?

Condensing units come with enough refrigerant for 10 feet of line set and the smallest AHRI rated coil.

When should you braze using a nitrogen purge?

You need to check the subcooling adjustment tables found in the service facts when charging a system by subcooling.

You can bypass the rectifier on a two-stage unit with 24 VAC for diagnostic purposes.

You can accurately charge a two-stage unit in first stage.