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19
Refrigerant Recycle Equipment
① Remove cap of Suction Port and Discharge Port.
② Turn Suction Valve (V1) to [PURGE] position.
Turn Switching Valve (V2) to [PURGE] position.
Turn Discharge Valve (V3) to [OPEN] position.
③ Set Power Switch to [ON] position.
Push Start Switch.
④ Confirm Suction Pressure is under 0MPa.
⑤ Confirm no air flow from Discharge Port.
Inspection of Purge function
Under 0MPa
4
Suction Pressure
No air flow
5
Discharge Port
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 [CLOSE] position.
③ Set Power Switch to [ON] position.
Push Start Switch.
④ After a while, High Pressure Shut-off function
makes the unit stop automatically and Warning
Lamp is turned on.
Inspection of High Pressure Switch Function
Lighting
4
Warning Lamp
Refrigerant Recyc
le Equipment
RR-220
RR-220
Refrigerant Recyc
le Equipment
Refrigerant Recyc
le Equipment
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 [CLOSE] position.
③ Set Power Switch to [ON] position.
Push Start Switch.
④ After a while, High Pressure Shut-off function
makes the unit stop automatically and Warning
Lamp is turned on.
⑤ Leave this condition for 1 to 2 minutes and
confirm that there is no significant pressure drop.
(Slight pressure decrease due to pressure balance
is normal.)
Inspection of Leak
Lighting
4
Warning Lamp
No pressure drop
5
Pressure gauge
INSPECTION BEFORE
WORK