Air Evacuation - Carrier AR TXHQB Series Owner's Manual & Installation Manual

Air Evacuation

Preparations and Precautions
Air and foreign matter in the refrigerant
circuit can cause abnormal rises in pressure,
non-condensable gas and moisture from the
system.
connected properly.
connected properly.
Evacuation Instructions
1. Connect the charge hose of the manifold
2. Connect another charge hose from the
3.
manifold gauge. Keep the High Pressure
side closed.
4.
the system.
5.
or until the Compound Meter reads
5
Compound gauge
-76cmHg
Pressure hose/
Charge hose
6.
pump.
7. Wait for 5 minutes, then check that there
8. If there is a change in system pressure,
9.
10.
11.
12.
13.
Charge hose
Vacuum pump
further.
has been no change in system pressure.
there is no change in system pressure,
after 5 seconds.
minute to make sure that there is no
change in pressure. The Pressure
atmospheric pressure.
Flare nut
User manual/
Installation manual
Cap
36