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ipn [44]
3 years ago
15

After installation of a field-piped r-410a split heat pump, the unit should first be:

Health
1 answer:
Tju [1.3M]3 years ago
7 0
After installation of a field-piped R-410A split heat pump, the unit should first be:pressurized with nitrogen then leak checked.Heat Pumps that have been retrofitted from R-22 to R-407C should be leak checked with:pressurized nitrogen.The EPA regulations require that leaking commercial or industrial process refrigeration equipment must be repaired when the leak rate exceeds ______ of the charge per year.35%
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