Midea MDK100-CH01B/B05E-EU-C5 Service Manual page 40

Operation step
7,Vacuum pumping
1, Connect high pressure
connector to the charge
pipe(φ6mm),
2, Connect the connector
to the plug,
3, Close V2 and V5 Valves,
open V1,V3, andV4.
4, Start the pump.
Vacuum pumping time is
not less than 60 min， ， ， ，
and the pressure is
maintaining for more
than 10min,to ensure the
vacuum degree of the HP
system is less than 50Pa.
charge pipe
High pressure
connector
Refrigerant
tank
HC-290
V5
Picture
Plug
V1
Pump
Pressure gage
V2
V3 V4
40