MAHLE RTI TC2670 - Manual (Page 13)

RTI Technologies, Inc.
September 30, 1999 Page 12 12
Figure 5 Charge - High Side
CHARGE - HIGH SIDE
To Charge Refrigerant, refer to Figure 5 and follow these steps:
1. Perform Hose Evacuation described previously.
2. Connect Red and Blue Hoses to the A/C System high side per the vehicle manufacturer's instructions.
Note... Do not open Gauge Manifold Valves.
3. Press top (ON) of rocker switch marked R12 POWER.
4. Press top (ON) of rocker switch marked CHARGE/HIGH SIDE. The Charge Cylinder will now be
heating to develop pressure for charging.
5. Open Red and Blue Hose Valves.
6. Determine the refrigerant capacity of the A/C system to be charged. This data is usually printed on
a tag located on the accumulator or under the hood of the vehicle. Convert this quantity to tenths of
a pound for setting the TC2670 charge indicator.
The following will determine where to set the indicator prior to starting the charge mode:
(TC2670 Liquid Level) - (A/C System Capacity) = Indicator Setting