Product specifications
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G. (Low ambient lock-out control requiring a field setpoint.)
H. (Gauges include suction and discharge pressure for each refrigerant circuit in addition to the readings
through the microcomputer.)
I. (Steel Painted Louvers for complete unit enclosure for general mechanical security and unit aesthetics.)
J. (Aluminum Painted Grills similar to louvers except manufactured or aluminum with 3/8" x 3 1/2" slots
instead of louvers for hail damage protection and unit aesthetics.)
K. (Fin Guards Top only (1" x 4" wire mesh) for vertical side condenser coil protection.)
L. (Fin Guards Bottom only (1" x 4" wire mesh) for general unit mechanical security for the lower portion of
the unit.)
M. (Over and under voltage protection relay protects against high and low incoming voltage conditions as
well as single phasing, phase reversal and phase imbalance.)
N. (Circuit Breakers to provide compressor branch circuit protection.)
O. (Weatherproof Alarm Bell mounted and wired to indicate a common alarm fault.)
P. ( Fu l l y P a i n t e d U n i t m e e t s t h e r e q u i r em e n t s f o r o u t d o o r u n i t a p p l i c a t i on o f 5 0 0 H o u r S a l t S p r a y P a in t
tested in accordance with ASTM-B-117.)
Q. (Suction Line Insulation for medium and low temperature applications, or where the relative humidity is
above 75% with ambient temperature of 90°F (32°C) wet bulb.)
R. (Chilled Water Pump Control providing a contact closure for pump starting prior to starting the chiller.)
S. (
Mou nted and W ired Water Flo w Switch
)
T. (Auxiliary Control Module providing return water (fluid) temperature monitoring, utility demand limiting
(requires an external 0 to 5 volt DC signal), load limiting by compressor over current protection, and
compressor amperage monitoring/limiting.)
Part 3: Execution
3.01 Installation Work By Mechanical Contractor
A. Install on a flat surface level within 1/16 inch and of sufficient strength to support concentrated loading.
Place vibration isolators under the unit.
B. Assemble and install all components furnished loose by manufacturer as recommended by the
manufacturer’s literature.
C. Complete all water and electrical connections so unit, water circuits and electrical circuits are serviceable.
D. Provide and install valves in water piping upstream and downstream of the evaporator to provide means
of isolating shells for maintenance and to balance and trim system.
E. Provide soft sound and vibration eliminator connections to the cooler water inlet and outlet as well as
electrical connections to the unit.
F. I n t e r l o c k c h i l l e r s t h r o u g h a f l o w s w i t c h i n t h e c h i l l e d w a t e r l i n e t o t h e c h i l l e d w a t e r p u m p t o e n s u r e t h e
unit can operate only when water flow is established.
G. Furnish and install taps for thermometers and pressure gauges in water piping adjacent to inlet and outlet
connections of the evaporator.
H. Provide and install drain valves with capped hose ends to each water box.
I. Install vent cocks to each water box.
J. Provide a separate 115 volt electrical service to power the cooler heater for winter freeze protection.
3.02 Work By Temperature Control Contractor
A. Furnish interlock wiring per manufacturer’s recommendations and install loose control components
furnished by chiller manufacturer.
3.03 Work By Electrical Contractor
A. Furnish power wiring to chiller control panel and obtain required code approval.
B. Furnish and install approved disconnect switch and short circuit protection and short circuit protection.
END OF SECTION
Specifications subject to change without notice










