Air Purging Of The Piping And Indoor Unit - Midea MSE-09CRN1-BQ8W Service Manual

Caution:
Capacity is base on standard length and maximum allowance length is base of reliability.
Oil trap should be install per 5-7 meters.

8.4 Air purging of the piping and indoor unit

Required tools:
Hexagonal wrench; adjustable wrench; torque wrenches, wrench to hold the joints and gas leak
detector.
Note:
The air in the indoor unit and in the piping must be purged. If air remains in the refrigeration
piping, it will affect the compressor, reduce the cooling capacity, and could lead to a malfunction
of unit.
Be sure, using a torque wrench to tighten the service port cap (after using the service port), so
that it prevents the gas leakage from the refrigeration cycle.
Service manual
In case that more
than 5m.
- 22 -