MAHLE RTI RHS2680 - Manual (Page 9)

Page 7
VACUUM
1. MAKE SURE THE GAUGE MANIFOLD PRESSURES
ARE ZERO OR LESS. If not, a recover procedure must
be performed before starting the vacuum procedure.
2. Turn Function Valve on RHS2680 to VACUUM.
3. Open high and low valves on gauge manifold.
4. The display will show the weight of refrigerant in the
RHS2680 cylinder and indicate the unit is vacuuming.
5. At the end of the desired vacuum time, press the stop
key and close the high and low valves on the gauge
manifold.
6. Turn Function Valve on RHS2680 to OFF.
CHARGE
1. Open either the low or high valve on gauge manifold
and corresponding hose valve according to the A/C
manufacturer’s recommendation for charging the system.
2. Enter weight of charge desired using the keypad. Press
the [ >] key to increase numeric value shown on display
and press [ <] key to move flashing cursor to next
position. Press [5] key to start charging.
3. Turn Function Valve on RHS2680 to CHARGE.
4. Do not run the A/C during the charge procedure.
5. The display will show the amount of refrigerant being
charged into the A/C.
6. The display will show CHARGE COMPLETE
EVACUATE HOSES when the correct amount of
refrigerant has been charged.
7. Press the stop key and close the hose valve.
8. Turn function valve to OFF.
9. Evacuate the hose by running a recycle procedure.
Note:
The display will show LOW LEVEL GO TO RECYCLE if the
RHS2680 cylinder does not contain enough refrigerant to
complete the charge weight entered. Press the STOP key
and perform a recycle procedure to transfer refrigerant into
the RHS2680 cylinder.