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OPERATING INSTRUCTIONS
OPERATING INSTRUCTIONS
3. Self-purge Process
Notice
The unit must be purged after each use;
Liquid refrigerant remained may expand and damage the
components and pollute the environment.
Self-purge Procedure
1. The unit stops automatically when recovery is finished.
2. Press button.
3. Turn the switch slowly to position 3 to start purge.
4. When the self-purging cycle is finished, the unit goes into a vacuum.
5. Turn the switch to position off.
6. Press button.
7. Close the check valve to hoses.
8. Turn off the vapor valve of refrigerant tank.
4. Push/Pull Mode
Notice
An electric scale is needed to
monitor the recover process to
prevent overfilling.
Liquid Push/Pull Mode
Connect the hoses correctly and firmly.
(Please refer to the connection diagram)
Make sure all valves are closed.
Start operation
Warning
When the electric scale shows that the refrigerant in
the tank has reached 80% capacity, turn the power
off and close the tank valves.
Open the vapor and liquid valves of the
system equipment.
Open the vapor and liquid valves of the
recovery tank.
Turn the switch to position START.
Press button.
Turn the switch to position 2 to start
push/pull mode. When the display of electric
scale stops rising or increases very slowly, it
means the liquid recovery is finished, and it
is time to switch to vapor recovery.
Turn the switch to position PURGE and follow
self-purge mode instructions to purge the
refrigerant vapor.
Turn the switch to position OFF.
Press button.
Close the vapor and liquid valves of the
system equipment
Close the vapor and liquid valves on the
recovery tank.
Connect the hoses again and recover the
vapor from the system equipment according
tto recovery mode instructions.
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