Carrier 39MN14W025BGR11XGE Air Handling Unit

Carrier 39MN14W025BGR11XGE indoor air handling unit, factory tagged AHU-7,9 and field labeled AHU-9, serial 2218U35664, built in 2022. The unit is a horizontal, floor-mounted 39M-series modular air handler with a galvanized double-wall casing on a structural base rail, hinged latching access doors on each section, and a round top discharge collar connected to the building's spiral duct. Per the unit nameplate, the air handler is configured with a mixing box, flat filter section (pre-filters: three 16x20 and three 20x20; main filters: three 16x20 and three 20x20), a hot water coil and plenum rated for 300 PSIG maximum operating pressure at 200 degrees F (coil 28MHV224FAA059BLNC), and a draw-thru supply fan section with two 5 HP, 1800 RPM motors. Electrical supply is 460 V / 3 phase / 60 Hz, FLA/MCA/MOCP 6.6/8.3/10 each, with a maximum continuous draw of 15.4 amps. The unit is fitted with a factory-mounted ABB HVAC variable frequency drive with keypad and local disconnect, an Eaton 30 A, 600 V heavy duty safety switch fed from panel 3PPH1 (circuits 8, 10, 12), an emergency stop mushroom button, and a control junction box. Insulated hot water supply and return piping, a copper condensate line and conduit are connected at the coil end; these services and the ductwork must be disconnected before removal. The unit is shown installed and in service in the photographs, with the VFD display illuminated. Overall dimensions are approximately 192 in long x 80 in wide x 72 in high with an estimated shipping weight of 3500 lbs.