Midea MFE-60ARN1-RB4W Service Manual page 27

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.
24