18
RRDQ220V1
① Replace Molecular Sieve Replacement Kit
referring to page 17 after discharging oil
referring to page 15.
② Connect a vacuum pump to Oil Discharge Port
of Oil Separator.
③ Turn on the vacuum pump and open the valve
of Oil Discharge Port for Oil Separator.
④ After one hour evacuation, close the valve of
Oil Discharge Port for Oil Separator and turn
off the vacuum pump.
In Case of Recycle Other Refrigerant
Oil Discharge Port
for Oil Separator
Suction
port
Vacuum pump
Ball valve
OPEN
① Check damage on the plug and cord.
② Check for scratches or cracks on the outer surface of each hose.
③ Confirm that all gaskets on the hoses are worn or exhausted.
④ Confirm the unit starts normally when Power Switch is turned on.
⑤ Confirm the unit stops when Power Switch is turned off.
Inspection in General
●
Periodically inspect and clean the unit according to following.
Please correct or replace if necessary.
INSPECTION BEFORE WORK
① Remove cap of Suction Port and Discharge Port.
② Turn Suction Valve (V1) to [OPEN] position.
Turn Switching Valve (V2) to [RECYCLE] position.
Turn Discharge Valve (V3) to [OPEN] position.
③ Set Power Switch to [ON] position.
Push Start Switch.
④ Confirm suction from Suction.
⑤ Confirm discharge from Discharge Port.
Inspection of Recycle function
Suction
4
Suction Port
Discharge
5
Discharge Port
MAINTENANCE &
INSPECTION
INSPECTION BEFORE
WORK
