MAHLE RTI RHS680 - Manual (Page 8)

Page 6
W W W W
CAUTION
W W W W
Make sure the A/C pressures are at zero or below. If the gauges indicate positive
pressure, refrigerant will be vented to the atmosphere. Perform a recover
procedure before starting a vacuum procedure.
START-UP
1. Turn Function Valve and Purge Valve on RHS680 to
OFF. Connect yellow hose of gauge manifold to port on
rear of RHS680. Close high and low valves on gauge
manifold. Connect red and blue hoses to A/C system
and open hose valves.
2. Connect power cord of RHS680 to properly grounded
power source. Avoid using an extension cord. If
necessary use a good condition, three wire grounded,
#14 AWG or larger extension cord of the shortest
possible length.
3. RTI TECHNOLOGIES and 680/2860 SERIES will display for ten seconds.
4. The display will then show the weight of refrigerant in the RHS680 cylinder and prompt RECYCLE?
5. Press [5] key to begin a recycle procedure (Page 7) or press [ >] key to go to next screen (See next
step).
6. The display will show the weight of refrigerant in the charge cylinder and prompt VACUUM?
7. Press [5] key to begin a vacuum procedure (Page 8) or press [ >] key to go to next screen (See next
step).
8. The display will show the weight of refrigerant in the charge cylinder and prompt CHARGE?
9. Press [5] key to begin a charge procedure (Page 8) or press [ >] key to return to Step 4 above.