Vacuum Pumping - Friedrich MWM36Y3J Installation And Operation Manual

Vacuum pumping

Use vacuum pump
1. Remove the valve caps on
the liquid valve and gas valve
and the nut of refri
2. Connect the charging hose
of to the refri
3.
4.
5. Remove the piezometer, open the valve core of
liquid valve and gas valve completely with inner
hexagon spanner.
6. Tighten the screw caps of valves and refrigerant charging vent.
7. Reinstall the handle.
liquid valve
gas valve
refrigerant charging
nut of refrigerant
charging
2
Lo Hi
valve cap
vacuum pump
close
open