Technical information

UGH021/0301 VL Series Portable Chillers, 2 to 40 Tons
Page: 33
I. Refrigerant sight glass: check for bubbles when compressor is
operating at 100%. Check the moisture indicator for a color other
than green.
J. Clean unit.
5.3 SPECIAL MAINTENANCE
A. Any service of the refrigeration system must be accomplished by a
certified refrigeration technician.
1. Vacuum check compressor.
2. Addition of compressor oil.
3. Addition of refrigerant.
4. Repair of a refrigerant leak.
5. Adjustment of super heat.
6. Changing of filter-drier or drier core.
7. Repair of a refrigeration solenoid.
8. Valve plate replacement on compressor. (Semi-hermetic
compressors only)