APC CM Series User Manual download pdf (Page 36)

APC NetworkAIR CM Series: Guide Specifications 31

rated cooling capacity with an inlet air temperature of 95° F (35° C). The

condenser section shall be ___________ (close-coupled or remote).

Air-cooled with remote outdoor propeller type air-cooled condenser.

The refrigeration system shall consist of a copper tube/aluminum fin

evaporator coil, hermetic compressor with vibration isolators, high pressure

switch, filter/drier, sight glass, and externally equalized expansion valve. The

remote outdoor propeller type air-cooled condenser shall consist of a copper

tube/aluminum fin condenser coil and a direct-drive propeller fan(s). The

fan(s) shall be statically and dynamically balanced. The fan blades are

aluminum and riveted to painted steel spider and hub. Head pressure control

down to -20° F shall be achieved via condenser fan speed control based on

condensing pressure.

Air-cooled with remote outdoor propeller type air-cooled condensing

unit.

The refrigeration system shall consist of a copper tube/aluminum fin

evaporator coil, pump down solenoid valve, and externally equalized

expansion valve. The remote outdoor propeller type air-cooled condensing

unit shall consist of a copper tube/aluminum fin condenser coil and a direct-

drive propeller fan(s). The fan blades are aluminum and riveted to painted

steel spider and hub. Head pressure control down to -20° F shall be achieved

by installation of flooded controls. A head pressure control valve shall bypass

the condenser coil to maintain a desirable condensing temperature.

Water/glycol-cooled with close-coupled condenser. The evaporator

section and condenser section shall be factory assembled and ship as one-

piece. The system shall be pre-charged with refrigerant an require no inter-

connecting piping or brazing. The refrigeration system shall consist of

hermetic compressor with vibration isolators, high pressure switch, filter/

drier, sight glass, co-axial water-cooled condenser, water/glycol regulating

valve, and externally equalized expansion valve. The system shall have a

waterside pressure drop of _______ psi (_______ kPa) at a water/glycol flow

rate of _______ GPM (______ L/s) with an entering water/glycol

temperature of _______° F (______° C). The water/glycol regulating valve

shall be factory installed and be _______ (2-way or 3-way). The design

pressure for the water/glycol circuit shall be _______ (150 psi (1034 kPa) or

350 psi (2413 kPa)).

Chilled water

systems

Chilled water piping. The chilled water control valve shall be factory

installed and be ________ (2-way or 3-way) with a design pressure rating of

________ PSI (________ kPa).

Chilled water coil. The chilled water cooling coil shall be constructed of

copper tubes and aluminum fins and be mounted in a stainless steel

condensate drain pan. The drain pan shall be equipped with dual condensate

overflow safety switches. The coil shall have a minimum face area of

_______ ft² (_______ m²) and be _______ rows deep. The maximum coil

face velocity shall be ______ ft/m (______ m/s) at ______ CFM (_____ L/s).

Capacity, chilled water flow rate, and system pressure drop shall be based on

an entering water temperature of 45° F (7.2° C) and leaving water

temperature of 55° F (12.8°C). The system shall be supplied with

__________ GPM (_______ L/s) with a pressure drop not to exceed

________ PSI (_____ kPa).

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APC CM Series User Manual Page 36

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