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C
HECKING
REFRIGERANT
CHARGE
Series 1 Portable Chillers, TIC Control UGH016/0500
3-8
INSTALLATION
All chillers are fully charged with refrigerant at the factory.
Your chiller’s model nameplate identifies the type and amount
of total refrigerant charge required.
Check refrigerant charge while the chiller is running. Check
the refrigerant charge through the sight glass. Open the side
door of the Chiller. Use a flashlight, if necessary, and check
the liquid-line sight glass:
● Under normal load conditions, the refrigerant should
be clear.
● Under low load conditions, when the hot-gas bypass
valves are operating, bubbles may be visible in the
sight glass. This is normal.
If the charge is low contact Conair service or have a local, cer-
tified refrigeration technician add refrigerant to the system.
Sight glass
WARNING: Refrigerant hazard
Only certified refrigerant technicians should
examine and correct problems involving the
refrigerant circuit.