Robinair RG3000 Refrigerant Recovery Machine - Manual (Page 6)

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Recovery Procedure
1. Connect the unit to an appropriate 115 V outlet.
2. Slowly open the liquid valve of the recovery
cylinder while watching hoses and connections
for leaks.
3. Open the liquid valve on the manifold gauge set.
Note: Opening the liquid valve removes liquid from
the system first, greatly reducing recovery time.
4. Open the outlet valve on the unit.
5. Toggle the power switch to the ON position.
6. Slowly open the inlet valve on the unit. Note: If the unit begins to “knock”, slowly throttle back (close)
the inlet valve until the noise stops.
7. Once the liquid has been removed from the system, open the vapor valve on the manifold gauge set to
finish evacuating the system.
8. Run the unit until the desired vacuum is achieved.
9. Close the vapor and liquid valves on the manifold gauge set.
10. Turn the inlet valve on the unit to the CLOSED position.
11. Toggle the power switch OFF.