Fujitsu ARUH42KUAS & AOUH42KUAS1 42,000 BTU 17.3 SEER2 Mid Static Ducted Heat Pump System - R32

Fujitsu ARUH42KUAS & AOUH42KUAS1 – 42,000 BTU R‑32 Mid-Static Ducted Mini‑Split System
The Fujitsu ARUH42KUAS and AOUH42KUAS1 ductless mini-split system delivers powerful, discreet, and energy-efficient comfort with a mid-static ducted indoor unit. Perfect for small to mid-sized residential or commercial spaces (up to ~1,750 sq ft), this single-zone system uses eco-friendly R‑32 refrigerant and offers flexible installation with whisper-quiet performance, built-in drain pump, and advanced control options.

General Information
System Type: Mid-static ducted mini-split system (indoor & outdoor)
Indoor Model: ARUH42KUAS
Outdoor Model: AOUH

42KUAS1
Capacity:

42,000 BTU Heating & Cooling
Room Size: Ideal for up to ~1,750 sq ft
Operating Modes: Heating & Cooling
ENERGY STAR®: Yes (ES, ESCC, ESME)
Refrigerant: R‑32, pre-charged; supports up to 246 ft line set

Key Features
Mid-Static Duct Design: Flexible installation with static pressure range of 0.12–0.80 inWG
Whisper-Quiet Operation: Indoor sound levels as low as 29 dB(A); outdoor as low as 55 dB(A)
Built-in Condensate Pump: Supports 24″ of lift for flexible drainage
High Efficiency: SEER2 of 17.3 and EER2 of 10.3 for energy-saving operation
Low Ambient Capability: Heating and cooling down to -5°F for reliable year-round performance
Advanced Controls: Supports wired, wireless, Wi-Fi, BACnet, Modbus, and 24V thermostat interfaces (accessories sold separately)
Enhanced Safety: Built-in refrigerant leak detection sensor
Flexible Intake Options: Side or bottom return configurations for varied installations
Durability: ProCore™ copper coils for corrosion resistance

Specifications (Rated Conditions)
Cooling Capacity (Rated/Min–Max):  42,000 BTU / 13,600 - 45,00 BTU
Heating Capacity (Rated/Min–Max): 47,000 BTU / 14,300 - 51,000 BTU
SEER2 / EER2: 17.3 / 10.3
HSPF2 (IV/V): 10.2 / 8.2
Sound Pressure (Indoor): 29-40 dB(A)
Sound Pressure (Outdoor): 55-57 dB(A)
Airflow (Cooling/Heating): Up to 1,501 CFM
Electrical: 208/230 V • 1‑Phase • 60 Hz
Piping Size: Liquid 3/8″ • Gas 5/8″ • Max Length: 246 ft • Max Height Diff: 98 ft
Indoor Unit Dimensions/Weight: 11-13/16" x 55-1/8" x 27-9/16" • 121 lb
Outdoor Unit Dimensions/Weight: 39-5/16" x 37" x 12-5/8"• 157 lb

Included Components
ARUH

42KUAS mid-static ducted indoor unit
AOUH

42KUAS1 outdoor condenser

Ideal For
Contractors, designers, and homeowners seeking a low-profile, highly adaptable ducted heating and cooling solution. Perfect for bedrooms, offices, finished basements, or retail areas where silent performance and hidden installation are key priorities.