STANDARD FEATURES
SERVICEABILITY
All Polaris Series units are designed with removable panels to provide full service accessibility. Turn to
page 11 “Part Replacement Procedure” for removal of the correct panel when replacing a part.
AUTOMATIC WATER VALVE
All units are equipped with a direct-acting, refrigeration system head pressure actuated water regulating
valve. This valve, factory set for 94° - 100° leaving water temperature (LWT), flows only the amount of
water required to achieve the desired refrigeration system operating pressure. Units used for closed loop
operation may be ordered without the water valve. If, however, the temperature of the return water is
questionable in a closed loop, the water valve may be helpful and left in the system with little pressure
drop.
ATTRACTIVE CABINET
The Polaris Series cabinet is constructed of 18 gauge cold rolled steel with a platinum polyester powder
coated finish that will compliment any decor. The entire cabinet is insulated with a sound absorbant insu-
lation for cool, quiet comfort. The basepan is 14 gauge galvanized steel and remains dry and free from
odor and fungal growth.
HIGH PRESSURE SAFETY SWITCH
All units incorporate a manual re-set high pressure switch for maximum protection of the refrigeration
system and compressor. The cut-out pressure setting is 375 ± 5 PSIG for all Polaris models. If the pres-
sure exceeds this setting, the compressor stops and can be re-started by depressing the “RESET” button
located on the back panel of the unit. The high pressure control’s capillary line is attached to a schrader
valve. This allows replacement of a defective control without recovering the refrigerant.
4
High Pressure Switch
Re-set Button
Water Cooled
Condenser
Caster
Power Cord
Electrical Box
Evaporator Coil
Evaporator Fan
Motor
Evaporator Drain
Pan
Evaporator Drain
Hose
Condensate Pump
Compressor
Water
Valve
polarismanpg4
