OTERRA Wall Mounts (AX Series) Standard Heat Pump (5F)

0.75 to 2 Tons  |  Model: RXF_AX + FTXF_AX

Refrigerant: R-32

Model: RXF_AX

Heat Pump
(Standard Heating to 5F)
Max VerticalLength (ft)49' (9-12 MBH)65' (18-24 MBH)Max Total Length (ft)65' (9-12 MBH)98' (18-24 MBH)

Model: FTXF_AX

Dimensions (H x W x D)

9-12 MBH: 21-11/16" x 26-1/2" x 11-3/16"
18-24 MBH: 27-13/32" x 36-5/8" x 13-13/16"

Dimensions (H x W x D)

9-12 MBH: 11-1/3" x 30-5/16" x 9-3/16"
18-24 MBH: 11-11/16" x 39-9/16" x 10-3/4"

Heating Capacities (BTU/HR)Piping
Model NumberNominal Size (MBH)Nominal Cooling @95°F (BTU/HR)43°FWB 5°FWBLineset SizeMax Total Length (ft)Max Vertical Length (ft)Energy Star Certified
FTXF09AXVJU + RXF09AXVJU99,00010,0004,9001/4" x 3/8"6549Yes
FTXF12AXVJU + RXF12AXVJU1212,00013,5006,6001/4" x 3/8"6549Yes
FTXF18AXVJU + RXF18AXVJU1818,10021,60010,7001/4" x 1/2"9865Yes
FTXF24AXVJU + RXF24AXVJU2422,40023,60010,8001/4" x 5/8"9865Yes

  • Cooling operation range: 50°F to 118°F
  • Low ambient cooling to -4°F available with wind baffle
  • Heating operation range: 5°F to 65°F
  • CFMs shown are in heating mode. Cooling mode CFMs are identical to cooling only model.

Features

  • Colored LED indication light on wall mount
  • 5 selectable fan speed with smooth stepping for best sound performance
  • (Quiet mode as low as 19 dBA)
  • Auto restart after power failure (reinstates previous settings)
  • Powerful and ECO+ modes
  • Hydrophilic blue fin coating of indoor unit for enhanced coil cleanliness and lifespan
  • Detachable drain pan (for cleaning and for easy blower and fan motor removal)
  • Options for gravity drained condensate or field installed condensate pump that fits within the unit cabinet.

Electrical Information

MCA (A) / MOP (A)
TypeVoltage9 MBH12 MBH18 MBH24 MBH
Outdoor unit208-230V/1ph9.30 / 159.36 / 1516.34 / 2016.34 / 20
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Version 0.7.0 - Last updated 22/07/2025 09:40, ext 25/06/2025 22:45