MAHLE RTI RHS2680 - Manual (Page 7)

Page 5
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CAUTION
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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 Valves and Purge Valves on RHS2680
to OFF. Connect yellow hoses of gauge manifolds to
ports on rear of RHS2680. Close high and low valves
on gauge manifolds.
2. Connect red and blue hoses from the gauge manifold,
for the refrigerant to be processed, to A/C system and
open hose valves.
3. Connect power cord of RHS2680 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.
4. Select refrigerant to be processed using the
R12/R134a Selector Switch. The corresponding display
and keypad will be energized.
5. RTI TECHNOLOGIES and 680/2860 SERIES will
display for ten seconds.
6. The display will show the weight of refrigerant in the
RHS2680 cylinder and prompt RECYCLE?
7. Press [5] key to begin a recycle procedure (Page 6) 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 VACUUM?
9. Press [5] key to begin a vacuum procedure (Page 7) or
press [ >] key to go to next screen (See next step).
10. The display will show the weight of refrigerant in the
charge cylinder and prompt CHARGE?
11. Press [5] key to begin a charge procedure (Page 7) or
press [ >] key to return to Step 6 above.