with a remote condenser.
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As a minimum, the compressor-chiller unit shall include the following
components as defined in paragraph CHILLER COMPONENTS.
a.
Scroll, reciprocating, or rotary screw compressor
b.
Compressor driver, electric motor
c.
Compressor driver connection
d.
Liquid cooler (evaporator)
2.5.2
**************************************************************************
NOTE: A compressor unit contains only the
compressor as a single package from the factory.
For a complete system, a compressor unit must be
specified along with a remote liquid cooler and a
remote condenser.
**************************************************************************
As a minimum, the condensing unit shall include the following components as
defined in paragraph CHILLER COMPONENTS.
a.
Scroll, reciprocating, or rotary screw compressor
b.
Compressor driver, electric motor
c.
Compressor driver connection
2.5.3
Remote Liquid Cooler (Evaporator)
**************************************************************************
NOTE: Delete this paragraph if a compressor unit is
not specified.
**************************************************************************
Cooler shall be constructed and rated in accordance with ARI 480. Cooler
shall be of the shell-and-coil or shell-and-tube type design. Cooler's
refrigerant side shall be designed and factory pressure tested to comply
with ASHRAE 15. Cooler's water side shall be designed and factory pressure
tested for not less than [1,000] [1,700] kPa [150] [250] psi. Cooler shell
shall be constructed of seamless or welded steel. Coil bundles shall be
totally removable and arranged to drain completely. Tubes shall be
seamless copper, plain, integrally finned with smooth bore or integrally
finned with enhanced bore. Each tube shall be individually replaceable.
Tubes shall be installed into carbon mild steel tube sheets by rolling.
Tube baffles shall be properly spaced to provide adequate tube support and
cross flow. Cooler shall be skid-mounted. Refrigerant circuit shall be
complete with liquid solenoid valve and expansion device capable of
modulating to the minimum step of capacity unloading.
2.5.4
Remote Air-Cooled Condenser
Condenser shall be a factory-fabricated and assembled unit, consisting of
coils, fans, and electric motor drive. Condenser shall be constructed and
SECTION 15620A
Page 20
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