APC AFX Series Specifications download pdf (Page 40)

Guide Specifications

36 APC NetworkAIR™ AFX

B. FLUID COOLER

1. Outdoor Fluid Cooler: The fluid cooler casing shall be of aluminum, and all structural

supports, coil frame, motor-drive supports, and mounting legs shall be made of galvanized

steel. The fluid cooler coil shall have copper tubes expanded into aluminum fins. Headers

and connections shall be copper. The coil shall be pressure-tested and sealed for shipment.

The fluid cooler motors shall have permanently lubricated, sealed, ball bearings, and

internal overload protection. Motors shall be mounted inside the fluid cooler casing for

weather protection and wired to a terminal strip in a weatherproof panel on the unit. The

direct-drive, aluminum fin blade and painted steel hub assembly shall be protected by a

heavy-gauge, vinyl-coated, steel-wire fan guard. On multiple fan units, each fan section

shall be separated by full-width baffles to prevent bypass air. The Fluid Cooler shall be

sized for 95º F (35º C) ambient, and operate on ________ V, ________ ph, 60 Hz power.

C. PUMP PACKAGE

1. Single Pump Package: The pump package shall be comprised of a centrifugal pump in a

vented enclosure with pump starter, separate Fluid Cooler fan and pump circuit breakers,

Aquastat, and fan cycling contractors to control the fluid temperature. The controls shall

be mounted in a weather-tight box. A _______ gal (L) expansion tank and Airtrol fitting

shall be supplied for field installation. The pump size shall be sized for ________ GPM

(L/s) at ________ ft (m) external head, and operate on ________ V, ________ ph, 60 Hz

power.

2. Dual Pump Package: The dual pump package shall consist of two centrifugal pumps in an

enclosure. Pump starters, automatic pump switch-over controls, lead-lag pump selector

switch, separate Fluid Cooler fan and pump circuit breakers, Aquastat, and fan cycling

contractor to control the fluid temperature shall be mounted in a separate weather-tight

box. A _______ gal (L) expansion tank and Airtrol fitting shall be supplied for field

installation. Each pump shall be sized for ________ GPM (L/s) at _________ ft (m)

external head, and operate on ________ V, ________ ph, 60 Hz power.

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APC AFX Series Specifications Page 40