Midea MFM-24ARN1-Q Service Manual page 28

Floor Standing MFM
6.3.6 Re-installation while the outdoor unit need to be repaired
1. Evacuation for the whole system
Procedure:
1). Confirm that both the 2-way and 3-way valves are set to the opened position.
2). Connect the vacuum pump to 3-way valve's service port.
3). Evacuation for approximately one hour. Confirm that the compound meter indicates
-0.1Mpa.
4). Close the valve (Low side) on the charge set, turn off the vacuum pump, and confirm that
the gauge needle does not move (approximately 5 minutes after turning off the vacuum pump).
5). Disconnect the charge hose from the vacuum pump.
Service manual
DM16-01.01.25en
28