MovinCool CM12 Service Manual - Manual (Page 68)

Repair Section
68
(5) Evacuation (repeat)
1) Close the valve of the refrigerant cylinder. Then
remove the charging hose (green) from the
refrigerant cylinder, and connect it to the
refrigerant recovery machine.
< NOTE >
Keep the high pressure valve and the low
pressure valve of the gauge manifold closed.
2) Use the procedure under “Evacuation”, evacuate
the system until the high pressure gauge
indicates 30 inHg (100 kPa) or larger. (For at
least 15 minutes.)
3) After evacuation is complete, close the high and
the low pressure valves of the gauge manifold.
CAUTION
Make sure to evacuate the system twice or
more using the repetitive vacuum method.
Evacuate the system an additional time on
rainy or humid days.
I002227
LO
Closed
HI
Open
LO
Closed
HI
Closed
Valve Setting
30 inHg (100 kPa) or larger
High Pressure Valve
High Pressure Gauge
Gauge
High Pressure
Side Tube
Vacuum Pump
(in Operation)
Low Pressure
Valve