Procedure for purging remaining refrigerant from this machine
1. Close the ports of the system being serviced that are connected
to the input port of the machine.
2. Turn off the recovery machine.
3. Turn the Input valve to the PURGE position.
4. Turn the MODE valve to the PURGE position.
5. Restart the machine.
6. Run until desired vacuum is achieved.
7. Close the ports on the recovery tank and the machine.
8. Turn the machine off.
9. Return the MODE valve to the RECOVER position.
10. Disconnect and store all hoses and dry filter.
SELF-PURGING PROCEDURE
LIQUID PUSH/PULL PROCEDURE
Push/pull procedure only works with large systems where the liquid refrigerant is no less than 6.8kg(15lbs.).
1.put MODE valve knob on RECOVER.
2.Open OUTPUT valve.
3.Open INPUT valve.
4.When the scale stops rising close all ports.
5.Switch off the machine.
CAUTION:
When using the Push/pull method, a scale must be
used to avoid over filling the storage tank, once the
siphon is started, it can continue and overfill the
storage tank even if the t ank i s equipped with a float
level sensor. The siphon can continue even when the
machine is turned off. You must manually close the
valves on the tank and the unit to prevent overfilling
of th e recovery tank.
MODE
RECOVERY
PURGE
CLOSED
OPEN
OPEN
CLOSED
PURGE
Input
HVAC
System
Vapor
Liquid
Output
Vapor
Scale
Liquid
15
