AEC Glacier Series Air and Water Cooler Portable Chillers - Manual (Page 27)

Page 26 Glacier Series Portable Chillers
Caution!
The water regulating valve is set at the factory.
It should not be adjusted except by a qualified refrigeration technician!
Normal R-22 refrigerant condensing pressure with 85°F (27°C) water at 25 psi entering
condenser water pressure is 210 psi.
2. Condenser water return, labeled CONDENSER WATER OUT , is located at the rear of the
chiller, and is the outlet for water after it has passed through the condenser.
It is connected to the tower inlet or to a sewer or other approved discharge receiver. A
water regulating valve is a standard feature in the condenser water return line.
3-8 Air-Cooled Condenser Chiller Air Supply
Air cooled chillers use the surrounding air to cool the condenser.
Install the chiller in an area where there is free passage of air for condensing and provisions for
removal of heated air from the area.
Do not locate this chiller in locations where steam, hot air or fume exhausts will be drawn into
the chiller.
Caution!
Clean air-cooled condensers and filters frequently.
Failure to do so results in reduced capacity, increased
operating costs, and possible failure of the equipment.
See Section 8-1 on Page xx for cleaning instructions.
Normal maximum R-22 refrigerant condensing pressure with 95°F (35°C) air entering the
condenser is 260 psi.
3-9 Condensing Air Temperature
NXG Series portable chillers are designed to operate at a minimum condenser entering air
temperature of approximately 60°F (15.5°C).
Operation of the equipment at a lower condenser entering air temperature can cause the low
pressure cutout to shut down the unit due to the low refrigerant pressure.
It is recommended that the ambient temperature be maintained at 60°F (15.5°C) or above.