Description
Product Summary
The Daikin SkyAir RZA42AAVJU-FCA42AAVJU is a matched 42,000 BTU (3.5 ton) single-zone heat pump system. It pairs the RZA42AAVJU inverter outdoor unit with the FCA42AAVJU round flow ceiling cassette indoor unit, runs on 208/230V 1-Phase power and uses R-32 refrigerant.
As a matched set it carries AHRI Reference No. 217175212 and is rated at 18.9 SEER2 and 10.5 EER2, with 10.2 HSPF2 in heating. It keeps heating down to -4°F outdoors.
The ceiling cassette recesses into the ceiling and spreads air in several directions, which suits offices, retail spaces, restaurants and large open rooms.
What's Included
- Outdoor unit: Daikin RZA42AAVJU
- Indoor unit: Daikin FCA42AAVJU (round flow ceiling cassette indoor unit)
Line set, wiring, disconnect, mounting hardware, decoration panel and controller are sold separately.
Key Features
- Inverter compressor: variable-speed operation matches output to the load for steady comfort and lower energy use
- R-32 refrigerant: lower-GWP refrigerant used in the current Daikin single-zone lineup
- High efficiency: up to 18.9 SEER2 and 10.2 HSPF2
- Low ambient heating: heating operation down to -4°F
- Flexible piping: 230 ft total, 98 ft vertical maximum
- Ceiling cassette: multi-direction airflow from a flush ceiling panel
- Inverter matched system: works with the Daikin RZA42AAVJU inverter outdoor unit
- Airflow: 1,253 / 971 / 741 CFM
System Ratings
| System Model | RZA42AAVJU-FCA42AAVJU |
|---|---|
| AHRI Reference No. | 217175212 |
| Series | Daikin SkyAir |
| System Type | Single-zone inverter heat pump |
| Nominal Capacity | 42,000 BTU/h (3.5 ton) |
| Rated Cooling Capacity | 42,000 BTU/h |
| Rated Heating Capacity (47°F) | 47,000 BTU/h |
| SEER2 | 18.9 |
| EER2 | 10.5 |
| HSPF2 | 10.2 |
| Minimum Heating Operating Temp | -4°F |
| Power Supply | 208/230V 1-Phase, 60 Hz |
| Refrigerant | R-32 |
| Line Set (Liquid x Gas) | 3/8 x 5/8 in |
| Max Piping Length | 230 ft total, 98 ft vertical |
| Number of Boxes | 2 |
Outdoor Unit: RZA42AAVJU
| Model Number | RZA42AAVJU |
|---|---|
| Series | Daikin SkyAir |
| Unit Type | Single-zone outdoor unit, inverter heat pump |
| Nominal Capacity | 42,000 BTU/h (3.5 ton) |
| Rated Cooling Capacity | 42,000 BTU/h (with FCA42AAVJU) |
| Rated Heating Capacity (47°F) | 47,000 BTU/h |
| Heating Capacity (17°F) | 31,200 BTU/h |
| SEER2 | 18.9 |
| EER2 | 10.5 |
| HSPF2 | 10.2 |
| Power Supply | 208/230V 1-Phase, 60 Hz |
| Minimum Heating Operating Temp | -4°F |
| Refrigerant | R-32 |
| Line Set (Liquid x Gas) | 3/8 x 5/8 in |
| Max Piping Length | 230 ft total, 98 ft vertical |
| Unit Net Weight | 234 lb |
Indoor Unit: FCA42AAVJU
| Model Number | FCA42AAVJU |
|---|---|
| Series | Daikin SkyAir |
| Unit Type | Round Flow Ceiling Cassette indoor unit |
| Nominal Capacity | 42,000 BTU/h (3.5 ton) |
| System Type | Heat pump |
| Power Supply | 208/230V 1-Phase, 60 Hz |
| Airflow (CFM, H / M / L) | 1,253 / 971 / 741 |
| Refrigerant | R-32 |
| Unit Net Weight | 58 lb |
Frequently Asked Questions
What is the AHRI number for the Daikin RZA42AAVJU-FCA42AAVJU?
AHRI Reference No. 217175212. The rating applies to this exact pairing of the RZA42AAVJU outdoor unit and the FCA42AAVJU indoor unit.
What comes in the box?
Two boxes: the RZA42AAVJU outdoor unit and the FCA42AAVJU indoor unit. Line set, wiring, disconnect, mounting hardware, decoration panel and controller are sold separately.
What size room does a 42K system cover?
As a rough guide, about 1,800 to 2,100 sq ft. Insulation, ceiling height, windows and climate change that number, so ask your contractor for a load calculation.
Who should install it?
Have a licensed HVAC contractor install the system so it runs as designed and stays eligible for the Daikin warranty.
Questions about this system or the right size for your space? Contact HVAC365 and we will help you choose before you order.
