MAHLE RTI AC800 - Manual (Page 12)

RTI Technologies, Inc.
October 6, 1999 Page 11
Figure 4 Hose Evacuation
HOSE EVACUATION
It's important that Air not be introduced into the A/C System during a Charging procedure. If a Deep
Vacuum procedure was performed previously, the following Hose Evacuation Procedure is not
required. If the service valves on the hoses have been open, the following procedure must be
performed.
To Evacuate Hoses, refer to Figure 4 and follow these steps:
1. Close Red and Blue Hose Valves.
2. Press top (ON) of rocker switch marked TEST RUN.
3. Press top (ON) of rocker switch marked RECOVER RECYCLE.
4. Let the AC800 run until the green COMPRESSOR ON light goes out.
Note: If the green light does not illuminate, press and hold the top of the rocker switch
marked RECOVER OVERRIDE until the Low Side Gauge indicates a vacuum.
5. Press bottom (OFF) of rocker switch marked RECOVER RECYCLE.
6. Press bottom (OFF) of rocker switch marked TEST RUN.
7. Vent any Non-condensable Gas as described in the previous section.