Carrier 39MN30W025 Custom Air Handling Unit

Carrier 39MN30W025 AERO series indoor custom air handling unit, unit size 30W, built as a two-section assembly (nameplates read 1 of 2 and 2 of 2) and marked for service as AHU-13. The unit is a double-wall, draw-through casing air handler with a mixing box, flat filter section, chilled water and hot water coil section with plenum, and a blow-thru supply fan section. Per the unit nameplates, the fan section uses two 10 HP, 1800 RPM motors rated 460V/3-phase/60 Hz (FLA/MCA/MOCP 12.5/15.6/25 each, 31.0 max continuous amps total), driven through an ABB variable frequency drive mounted on the unit exterior with an Eaton non-fused disconnect. Filtration is (10) 20x24 pre-filters and (10) 20x24 main flat filters. The coil section carries a chilled water coil (28M1V838FDA092BLEC) and a hot water coil (28M2V138HDA092BLEC), each rated 300 psig maximum operating pressure at 200 F. Carrier published data lists the 30W unit size at 15,000 nominal cfm. The unit is certified to CAN/CSA C22.2 No. 236, assembled in Mexico. The unit is shown in place in the photos, mounted on a steel support frame with spring isolation hardware, connected to supply and return ductwork and to insulated chilled water/hot water piping with isolation valves and gauges. Access doors with safety handles are provided on the fan, coil and filter sections. The machine is currently installed and will require disconnection of electrical, duct and piping services plus rigging to remove. Listed dimensions are approximately 220 in L x 92 in W x 84 in H, about 4,500 lbs.