
9
Refrigerant Recycle Equipment
① Open high and low pressure side valve of manifold.
② Open the ball valve of the hose.
③
Connect vacuum pump to side port of manifold.
④ Disconnect the hose which is connected to the liquid port of the cylinder.
⑤ Connect hose removed in ④ to low pressure side of manifold.
⑥ Open the ball valve of the hose.
⑦ Turn Suction Valve (V1) to [OPEN] position.
Turn Switching Valve (V2) to [Recycle] position.
Turn Discharge Valve (V3) to [Open] position.
⑧
Turn on the power switch of the vacuum pump and evacuate the suction side of the unit.
* If refrigerant remains in the unit, do not evacuate.
⇒ Continue until low pressure gauge becomes vacuum.
⑨ Turn Suction Valve (V1) to [PURGE] position.
Turn Switching Valve (V2) to [PURGE] position.
⇒ Continue until low pressure gauge becomes vacuum.
⑩ Close the discharge hose ball valve.
⑪
Turn off the vacuum pump power switch.
⑫ Connect discharge hose to liquid side port of collection cylinder.
2)Evacuation of the recycle unit and the hoses
Operation time
Suction
Discharge
Cylinder
OPEN
Vapor valve
CLOSE
PURGE
7
OPEN
Suction Valve
PURGE
Switching Valve
OPEN
Discharge Valve
2
2
2
kg
MED
RESOLUTION
CLOSE
Liquid valve
OPEN
CLOSE
Vapor valve
Manifold
1
OPEN
1
OPEN
Ball valve
2
CLOSE
Suction
port
Ball valve
High
pressure side
CLOSE
Vacuum pump
Connect
3
Hose
Connect
5
OPEN
Ball valve
6
Ball valve
CLOSE
10
Cy Scale
RRDQ220V1
Liquid valve
CLOSE
V
DISCONNECT
CONNECT
4
12
Hose
HOW TO USE