16
RRDQ220V1
When the ambient temperature is under 10℃ , this unit needs a warm up operation to operate
efficiently.
Warm Up Operation
Operation time
Suction
Discharge
Cylinder
Manifold
OPEN
Liquid valve
CLOSE
Vapor valve
OPEN
Ball valve
OPEN
CLOSE
Low
pressure side
OPEN
High
pressure side
OPEN
Suction Valve
RECYCLE
Switching Valve
CLOSE
Discharge Valve
OPEN
5
OFF
Power
O N
Start
ON
3
kg
MED
RESOLUTION
Cy Scale
RRDQ220V1
CLOSE
Vapor valve
Liquid valve
CLOSE
CLOSE
Ball valve
SLOWLY
OPEN
6
At 0.2MPa (29psi)
Maintain
4
Auto Shut-off
2
Auto
Shut-off
Manual
① Connect hoses as above after carry out Page 9 " 2) Evacuation of the recycle unit and the hoses"
② Set the Auto Shut-off/Manual Mode Setting to [Auto-Shut OFF] position.
③ Set Power Switch to [ON] position.
④ Adjust suction pressure around 0.2MPa（29psi）by opening the ball valve of the suction hose
from the manifold and keep operating until Discharge Pressure becomes 1.5 MPa（217.5psi）.
⑤ After ④ , turn Discharge Valve (V3) to [OPEN] position.
⑥ Open the suction hose ball valve from the manifold slowly for approximately 20 seconds.
⑦ Follow usual recycle procedure.
A scale must be used to prevent
overfilling of cylinder.
HOW TO USE
