Sterling 882.93092.00 Marine Instruments User Manual


 
GP Series Portable Chillers Chapter 3: Installation 17 of 73
room. Install a liquid line-charging valve to facilitate refrigerant charging. See Figure 3 on
page 18 for sizing information. See Figure 5 on page 22 for charge determination.
Discharge Line Sizing. For horizontal runs, the discharge line should be pitched downward,
in the direction of flow, at a rate of 1/2” for every 10 feet. This will allow oil to flow towards
the condenser. Discharge line sizing is based on the velocity required for sufficient oil return
back to the compressor. See