MAHLE RTI RRC770 User Manual
Page 13
RTI Technologies, Inc.
12
September 28, 1999
Page 12
Note:
Skip to step 5 if charging to an optional 30 lb DOT Refillable
Cylinder via the short Yellow Hose attached to the rear port.
4. Open Red and Blue Hose Valves.
5. Press top (ON) of rocker switch marked POWER ON/TEST.
6. Press top (ON) of rocker switch marked CHARGE/HIGH SIDE. Do not start
the Vehicle's Engine. Refrigerant will flow into the high side of the A/C
System. Closely monitor the liquid level as it lowers in the Charging
Cylinder Sight Glass.
7. Press bottom (OFF) of rocker switch marked CHARGE/HIGH SIDE as soon as
the refrigerant level drops to the sliding indicator.
8. Press bottom (OFF) of rocker switch marked POWER ON/TEST.
The vehicle can now be started and the A/C system checked by monitoring Gauge
pressures.
Always close Red and Blue Hose Valves before disconnecting hoses.
Evacuate the hoses per the preceding section "Hose Evacuation".
NOTE:
All Refrigerant Recycling Machines charge Liquid, by law. The
preceding is the suggested method of charging liquid into an A/C
system.
Some vehicle manufacturers may not provide a High Side connection.
The above instructions would have to be modified accordingly.
Always follow the vehicle manufacturer’s recommended service
procedures.
EXTERNAL CYLINDER FULL LIGHT:
This Light will illuminate if the External Charging Cylinder Fill to capacity,
approximately 25 (net) lbs, 40 lbs total. When this occurs, the External
Cylinder must be emptied or changed.
Note:
The RRC770 will be unable to charge while this light is on, or if
the Yellow Over Fill Protection Cord is NOT connected to the 30
lb DOT Refillable Cylinder.