Description
Rheem 3.5 Ton Air Conditioner Split System: RA14AY42AJ1NALHP + RH1AY4821STANNJ
This system pairs the Rheem RA14AY42AJ1NALHP air conditioner from the Endeavor Line Classic Series with the RH1AY4821STANNJ air handler. It is an AHRI-matched combination (AHRI reference 217232234), which means the efficiency numbers below were certified for these two exact models working together. It provides central cooling, and the air handler can take an electric heat strip if you want electric heat from the same system.
Certified system performance
- AHRI reference number: 217232234
- Nominal capacity: 3.5 ton (42,000 BTU/h cooling)
- Cooling efficiency: 14.3 SEER2
- Refrigerant: R-454B
- Power supply: 208/230V 1-Phase
Outdoor unit: Rheem RA14AY42AJ1NALHP
The RA14AY42AJ1NALHP is an Endeavor Line Classic Series air conditioner with a single-stage compressor. It runs on R-454B, the lower global-warming-potential refrigerant required in new U.S. residential systems.
- Nominal Capacity (Tons): 3.5
- Cooling Capacity (BTU/h): 40,000
- Refrigerant: R-454B
- Voltage/Phase/Hz: 208-230 V / 1 Ph / 60 Hz
- Minimum Circuit Ampacity (MCA): 20 A
- Maximum Overcurrent Protection (MOP): 30 A
- Compressor Type: Scroll
- Liquid Line Size: 3/8 in
- Suction Line Size: 7/8 in
- Factory Refrigerant Charge: 142 oz
- Sound Level (dB): 73
- Unit Dimensions (W x D x H): 33.75 in x 33.75 in x 35 in
- Unit Weight: 252 lb
- Shipping Weight: 259 lb
- Compressor Stages: Single Stage
Air handler: Rheem RH1AY4821STANNJ
The RH1AY4821STANNJ is a matched Rheem air handler.
- Nominal Capacity (Tons): 4
- Airflow (CFM): 1,400-1,600
- Configuration: Multi-Position
- Metering Device: TXV/TEV - Thermostatic Expansion Valve
- Refrigerant: R-454B
- Voltage/Phase/Hz: 208-240 V / 1 Ph / 60 Hz
- Minimum Circuit Ampacity (MCA): 7 A (blower only, no electric heat)
- Liquid Line Size: 3/8 in
- Suction Line Size: 7/8 in
- Unit Dimensions (W x D x H): 21 in x 21.69 in x 50.5 in
- Unit Weight: 128 lb
- Shipping Weight: 144 lb
- Blower Motor Type: PSC (Permanent Split Capacitor), 3/4 HP
Electric heat
No heat strip is included with this system. If you want auxiliary or emergency electric heat, choose one from the Add an Electric Heat Strip option above. These are the Rheem kits approved for this air handler: RXBH-1724A05J-1 (4.8 kW), RXBH-1724A07J-1 (7.2 kW), RXBH-1724A10J-1 (9.6 kW), RXBH-1724A15J-1 (14.4 kW), RXBH-24A20J-1 (19.2 kW).
Sizing and installation
Size the system from a room-by-room load calculation (ACCA Manual J) rather than square footage alone. Climate, insulation, windows and duct condition all change the load, and an oversized system short-cycles and leaves humidity behind.
The outdoor unit and air handler each need their own electrical circuit sized to the rating plate. The refrigerant line set, thermostat, condensate drain, pad and installation materials are sold separately. Because R-454B is a mildly flammable (A2L) refrigerant, installation and service require a licensed HVAC technician using A2L-rated tools and the manufacturer's procedures, which also keeps the warranty in force.
Common questions
Is this a matched system?
Yes. AHRI certificate 217232234 covers the RA14AY42AJ1NALHP with the RH1AY4821STANNJ.
Does it come with a heat strip?
No. Heat strips are sold separately and can be added from the option above.
Can I reuse my old refrigerant lines?
Sometimes. Line sizes must match the outdoor unit and the lines must be clean, leak-free and compatible with R-454B. Your installer should inspect them and flush or replace them as needed.
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