The Fujitsu AOUH18KWAH2 2 Zone 18,000 BTU Extra Low Temp Multi-Zone Outdoor Unit is used to run up to 2 indoor units at once in a multi-zone application. This outdoor unit can operate down to -15 F and has a built in base pan heater. This model uses 454B refrigerant.

Unit Type: Fujitsu Multi-Zone Outdoor Unit
Product Line: Aquila XLTH
Operating Mode: Cooling & Heating
Low Ambient Heat: Yes
Number of Zones: 2
Unit Size: 18,000 BTU
Refrigerant Type: 454B

Outdoor Unit: AOUH18KWAH2

Rate Capacity Cooling/Heating: 18,000 / 22,000 BTU
Heating Operating Range (F): -15 to 75
Cooling Operating Range (F): 14-115
SEER2 Rating (Non-Ducted, Ducted, Mix): 22, 19, 20.5
EER2 (Non-Ducted, Ducted, Mix): 13.5, 13, 13.2
HSPF2 (Non-Ducted, Ducted, Mix): 11, 10, 10.5

• Multi-zone outdoor Unit with a connectable capacity of up to 130%
• Supports connection of up to 2 indoor units
• Low GWP R-32 systems for reduced environmental impact
• INVERTER-driven compressor that offers superior performance, comfort, and energy savings
• Operates efficiently with heating down to -15°F (-26°C) and cooling up to 122°F.
• Built-in base pan heater prevents ice buildup for uninterrupted operation in freezing temperatures.
• Efficiently delivers comfort with capacities ranging from 14,000 to 24,000 BTU
• Blue Fin-coated heat exchanger for improved corrosion resistance and coil durability
• Super quiet operation with sound levels as low as 47dB
• Common indoor units compatible with single and multi-zone systems: Compact Cassette, Mid Static
Duct, Slim Duct, and Wall-Mount.
• Current limit function, allowing precise control to meet specific power requirements.
• Built-in safety features, including circuit protection, fan motor protection, and compressor protection,
ensuring reliable operation and long-lasting durability
• Compact outdoor unit with extended line set lengths up to 164ft (50m)

Net Dimensions (HxWxD): 34-13/16" × 32-5/16" × 12-3/8"
Net Weight: 117 lb
Cooling dB: 47
Heating dB: 49
Line-set Requirements: 1/4" Liquid x 3/8" Gas
Breaker Size: 20 Amps

Connectable Indoor Units: 2
Connectable Unit Capacity: 14,000-21,000 BTU
Refrigerant Type: R410
Sound Pressure when Cooling: 48 dB(A)
Sound Pressure when Heating: 50 dB(A)
Minimum Line-set Length: 16 ft
Maximum Line-set Length: 82 ft
Minimum Line-set Total: 49 ft
Maximum Line-set Total: 164 ft
Pre-Charge Length: 98 ft
Line-set Requirements: 1/4" Liquid x 3/8" Gas
Max Breaker Size (A) 20
Dimensions (HxWxD): 32 11/16", 35 7/16", 13"