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Product-Specific Operations Manual
General Operations Manual
This program applies to Production Models of Unit Coolers, as defined below, and meet the following criteria:
Use refrigerant R-404A or R-507A for Direct Expansion (DX) Coils, or R-717 for DX and/or liquid overfeed coils;
Aluminum fin material;
Single vertical coil;
Horizontal only air flow direction (the air flows to or from the inlet face of the coil from or to the fan inlet, with no change in direction); and
Axial fans only.
Forced-Circulation Free-Delivery Unit Coolers for Refrigeration (Unit Coolers): A factory made assembly including means for forced air circulation and elements by which heat is transferred from air to refrigerant without any element external to the cooler imposing air resistance. These may also be referred to as Air Coolers, Cooling Units, Air Units or Evaporators.
Rated Power, W or hp; and
Gross Total Cooling Effect, Btu/h.