Description
Product Summary
The Daikin SkyAir RZA18AAVJU-FBA18AAVJU is a matched 18,000 BTU (1.5 ton) single-zone heat pump system. It pairs the RZA18AAVJU inverter outdoor unit with the FBA18AAVJU high static concealed ducted indoor unit, runs on 208/230V 1-Phase power and uses R-32 refrigerant.
As a matched set it carries AHRI Reference No. 217175219 and is rated at 16.3 SEER2 and 13.5 EER2, with 8.5 HSPF2 in heating. It keeps heating down to -4°F outdoors.
The concealed ducted indoor unit hides above a ceiling or in a closet and feeds one or more rooms through short duct runs, so only the grilles show.
What's Included
- Outdoor unit: Daikin RZA18AAVJU
- Indoor unit: Daikin FBA18AAVJU (high static concealed ducted indoor unit)
Line set, wiring, disconnect, mounting hardware 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 19.5 SEER2 and 9.2 HSPF2
- Low ambient heating: heating operation down to -4°F
- Flexible piping: 230 ft total, 98 ft vertical maximum
- Concealed ducted: hidden installation with only grilles visible in the room
- Inverter matched system: works with the Daikin RZA18AAVJU inverter outdoor unit
- Airflow: 635 / 565 / 512 CFM
System Ratings
| System Model | RZA18AAVJU-FBA18AAVJU |
|---|---|
| AHRI Reference No. | 217175219 |
| Series | Daikin SkyAir |
| System Type | Single-zone inverter heat pump |
| Nominal Capacity | 18,000 BTU/h (1.5 ton) |
| Rated Cooling Capacity | 18,000 BTU/h |
| Rated Heating Capacity (47°F) | 20,000 BTU/h |
| SEER2 | 16.3 |
| EER2 | 13.5 |
| HSPF2 | 8.5 |
| 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: RZA18AAVJU
| Model Number | RZA18AAVJU |
|---|---|
| Series | Daikin SkyAir |
| Unit Type | Single-zone outdoor unit, inverter heat pump |
| Nominal Capacity | 18,000 BTU/h (1.5 ton) |
| Rated Cooling Capacity | 18,000 BTU/h (with FCA18AAVJU) |
| Rated Heating Capacity (47°F) | 20,000 BTU/h |
| Heating Capacity (17°F) | 12,300 BTU/h |
| SEER2 | 19.5 |
| EER2 | 14 |
| HSPF2 | 9.2 |
| 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: FBA18AAVJU
| Model Number | FBA18AAVJU |
|---|---|
| Series | Daikin SkyAir |
| Unit Type | Ducted indoor unit |
| Nominal Capacity | 18,000 BTU/h (1.5 ton) |
| System Type | Heat pump |
| Power Supply | 208/230V 1-Phase, 60 Hz |
| Airflow (CFM, H / M / L) | 635 / 565 / 512 |
| Refrigerant | R-32 |
| Unit Net Weight | 82 lb |
Frequently Asked Questions
What is the AHRI number for the Daikin RZA18AAVJU-FBA18AAVJU?
AHRI Reference No. 217175219. The rating applies to this exact pairing of the RZA18AAVJU outdoor unit and the FBA18AAVJU indoor unit.
What comes in the box?
Two boxes: the RZA18AAVJU outdoor unit and the FBA18AAVJU indoor unit. Line set, wiring, disconnect, mounting hardware and controller are sold separately.
What size room does a 18K system cover?
As a rough guide, about 700 to 1,000 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.
