Daikin FTA18AAVJUA 18000 Btu Mini Split Air Handler R-32

Product Description

The DAIKIN FTA18AAVJUA is a multi-position indoor air handler designed for use in ductless mini split systems operating on R-32 refrigerant. Rated at 18,000 BTU/h and compatible with 208/230-volt single-phase power, this unit functions as the indoor evaporator half of a split-system cooling and heating setup. Its multi-position design allows installation in vertical or horizontal orientations, giving installers flexibility in tight mechanical spaces. This air handler ships without a disconnect switch. Licensed HVAC technicians handling R-32 systems should verify local code requirements before installation, as R-32 is classified as a mildly flammable A2L refrigerant.

The FTA18AAVJUA is suited for single-zone residential and light commercial applications where a concealed or semi-concealed air handler is preferred over a wall-mounted cassette or floor unit. Its 18,000 BTU/h capacity targets medium-sized rooms or open-plan spaces. The multi-position cabinet makes it compatible with closet, attic, or horizontal ceiling installations. No specific compatible outdoor unit model numbers were provided in the available product data; consult the DAIKIN SkyAir engineering guide to confirm matched outdoor unit pairings for this air handler.

Key Features

• 18,000 BTU/h capacity for single-zone mini split applications
• R-32 refrigerant circuit - lower global warming potential than R-410A systems
• Multi-position cabinet supports vertical and horizontal field orientation
• 208/230-volt single-phase electrical supply - compatible with standard residential and light commercial service
• Shipped without disconnect switch - installer supplies disconnect per local code
• Compact footprint at 17.5 inches wide, 45 inches tall, and 21 inches deep

Compatibility

Designed as an OEM indoor air handler for the DAIKIN SkyAir single-zone mini split product line using R-32 refrigerant. No specific compatible outdoor unit model numbers were included in the available product data. Verify matched outdoor unit compatibility using DAIKIN SkyAir engineering documentation before ordering.

Installation Notes

Installation should be performed by an EPA Section 608-certified HVAC technician familiar with A2L refrigerant handling procedures required for R-32 systems. Shut off all power at the disconnect and confirm zero voltage before making any electrical connections. Refrigerant line sets, electrical wiring, and drain line routing must comply with the applicable mechanical and electrical codes for the jurisdiction, including NEC requirements for disconnect placement. Do not reuse existing line sets from a different refrigerant system without verifying cleanliness and compatibility with R-32.