14
18-BC100D1-1C-EN
Refrigerant Line Leak Check
Table 18. Check for Leaks
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Refrigerant Line and Indoor Coil Evacuation
II mmppoorrttaanntt:: Do not open the service valves until the
refrigerant lines and indoor coil leak check
and evacuation are complete.
1. Evacuate until the micron gauge reads no higher than
350 microns, then close off the valve to the vacuum
pump.
2. Observe the micron gauge. Evacuation is complete if
the micron gauge does not rise above 500 microns in
one (1) minute.
3. When evacuation is complete, blank off the vacuum
pump and micron gauge, and close the valves on the
manifold gauge set.
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