SkyAir Heat Pump (Cold Climate) 33" x 33" Cassettes

1.5-4 Tons  |  Model: RZA + FCA_A

Refrigerant: R-32

Model: RZA

Heat Pump (Cold Climate)
Max VerticalLength (ft)98' (18-48 MBH)Max Total Length (ft)230' (18-48 MBH)

Model: FCA_A

33" X 33" Ceiling Cassette

Dimensions (H x W x D)

18-48 MBH: 34-1/4'' x 43-5/16'' x 18-1/8''

Dimensions (H x W x D)

18-24 MBH: 9–11/16'' × 33–1/16'' × 33–1/16''
30-48 MBH: 11–11/32'' × 33–1/16'' × 33–1/16''

Heating Capacities (BTU/HR)Piping
Model NumberNominal Size (MBH)Indoor Unit CFM (High/Medium/Low)Nominal Cooling @95°F (BTU/HR)43°FWB 5°FWB-4°FWBLineset SizeMax Total Length (ft)Max Vertical Length (ft)Energy Star Certified
FCA18AAVJU + RZA18AAVJU18742/618/47718,00020,00020,00019,3003/8'' x 5/8''23098No
FCA24AAVJU + RZA24AAVJU24777/618/47724,00027,00021,40020,8003/8'' x 5/8''23098No
FCA30AAVJU + RZA30AAVJU301,059/882/67130,00034,00037,00028,7003/8'' x 5/8''23098No
FCA36AAVJU + RZA36AAVJU361,253/918/67136,00040,00037,60030,1003/8'' x 5/8''23098No
FCA42AAVJU + RZA42AAVJU421,253/971/74142,00047,00037,80030,1003/8'' x 5/8''23098No
FCA48AAVJU + RZA48AAVJU481,253/971/74148,00054,00037,80030,1003/8'' x 5/8''23098No

  • Nominal Cooling Capacities @ 95°F DB OAT;
  • Heating operation range -4°F to 60°F (Extended heating down to -13°F)
  • Cooling operation range 23°F to 122°F
  • Estimated heating capacities at lower ambient temperatures do not include derates for defrost operation.
  • Condensing units to be elevated above local snow levels (normally 18" above mounting surface in cold climates).
  • Requires separate decoration panel (available with self cleaning filter option).

Outdoor Unit Features

  • SkyAir cold climate model with up to 100% heating capability down to 0°F.
  • Long pipe lengths with 98' vertical separation and 230' total length.
  • Low outdoor unit sound between 56-59 dB(A).
  • Year round comfort and energy savings with Variable Refrigerant Temperature technology (VRT).
  • New single chassis size across all RZA models.

Indoor Unit Features

  • Factory-installed coil refrigerant leak detection sensor.
  • Dispersion mode with higher airflow rate for refrigerant dispersion in the event of a leak.
  • True 360° Airflow and three room sensors enables optimized occupant comfort and efficiency.
  • Sound pressure levels as low as 28 db(A).
  • Factory installed washable filters as standard with options for MERV 13 filters.
  • OA integration options for up to 20% OA using a fresh air intake kit that adds 2.36'' of height to the unit.
  • Independently configurable auxiliary heat integration settings.
  • Roundflow, 4-way, and 3-way blow configurability.
  • MERV 13 air filter kit available (not compatible with self cleaning filter decoration panel).
  • Individual air louver control.
  • Integral condensate pump with up to 26-1/2'' lift.
  • 10 year parts warranty.

Electrical Information

MCA (A) / MOP (A)
TypeVoltage18 MBH24 MBH30 MBH36 MBH42 MBH48 MBH
Indoor unit208-230V/1ph0.5 / 150.5 / 151.0 / 151.6 / 151.6 / 151.6 / 15
Outdoor unit208-230V/1ph19.8 / 2019.8 / 2034.6 / 3534.6 / 3534.6 / 3534.6 / 35