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83InRoom Precision AC Tech Data Manual
3.09 FLUID COOLER
A. 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 35º C (95º F) ambient, and operate on ________ V, _____ ph, ___ Hz
power.