manufacturer. Parts weighing 23 EKG 50 pounds or more which must be
removed for inspection, cleaning, or repair shall have lifting eyes or
lugs. Chiller shall be provided with insulation on surfaces subject to
sweating including the liquid cooler and water boxes. Chiller shall be
provided from the factory with a single point wiring connection for
incoming power supply. Magnetic across-the-line motor starters with
overload protection shall be provided for each factory supplied pump.
Chiller shall include all customary auxiliaries deemed necessary by the
manufacturer for safe, controlled, automatic operation of the equipment.
2.7.4
Components
Chiller shall include the following as a minimum:
a.
Absorber, evaporator, and condenser
b.
[Generator] [First and second stage generators]
c.
Refrigerant, absorber, and inhibitor solutions
d.
[Low] [Low and high] temperature heat exchanger(s)
e.
Self-contained, hermetically sealed, self lubricating, liquid
cooled, refrigerant and solution pumps. Pumps shall be direct
coupled with the motor and shall include isolation valves.
f.
[Factory-installed combustion burner assembly and pre-piped fuel
train]
g.
[Cooling/heating switch valve]
h.
[Exhaust gas economizer]
i.
[Automatic][Manual] purge system
j.
Automatic decrystallization system
k.
Chiller controls package
l.
Interconnecting piping and wiring
m.
[Grooved mechanical] [Flanged] [Welded] connections for water boxes
n.
Refrigerant spray nozzles
o.
Factory-mounted structural steel base (welded or bolted) or
support legs
p.
Thermometers and sight glasses to allow visual inspection of unit
operation. Mercury shall not be used in thermometers.
2.7.5
Component Construction
**************************************************************************
NOTE: Delete the requirements for the first and
second stage generators if a two-effort chiller is
not specified.
**************************************************************************
SECTION 15620A
Page 38
Previous Page
