Fujitsu AMUH48KUAS & AOUH48KUAS1 48,000 BTU 17 SEER2 Ducted Multi-Position Air Handler Heat Pump System - R32

Fujitsu AMUH48KUAS & AOUH48KUAS1 – 48,000 BTU R‑32 Multi‑Position Ducted Mini‑Split System
The Fujitsu AMUH48KUAS and AOUH

48KUAS1 mini-split system delivers reliable, quiet, and efficient performance with a flexible multi-position air handler. Designed for both new construction and retrofit applications in spaces up to ~2,000 sq ft, this ENERGY STAR® certified system uses R‑32 refrigerant and supports a wide range of static pressures, advanced control integrations, and multiple airflow configurations.

General Information
System Type: Multi-position ducted mini-split system (indoor & outdoor)
Indoor Model: AMUH

48KUAS
Outdoor Model: AOUH

48KUAS1
Capacity:

48,000 BTU Heating & Cooling
Room Size: Ideal for up to ~2,000 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
Multi-Position Flexibility: Configurable for upflow, horizontal left/right, or downflow (with optional kit)
Low-Noise Operation: Indoor sound levels as low as 34 dB(A)
Wide Static Pressure Range: Adjustable ESP up to 0.8 inWG
Smart Comfort Modes: Economy, Auto Restart, Cold Air Prevention
Advanced Controls: Compatible with IR, wired, Wi-Fi, BACnet, Modbus, and 24V thermostats
Built-in Safety: Refrigerant leak detection sensor and external I/O terminal support
Electric Heat Options: Supports single/dual-stage electric heaters (sold separately)
Mobile Home Ready: Zero-clearance design with less than 2% air leakage
Energy Efficient: INVERTER-driven compressor with low ambient performance to -5°F

Specifications (Rated Conditions)
Cooling Capacity (Rated/Min–Max): 45,500 BTU / 15,400 – 48,000 BTU
Heating Capacity (Rated/Min–Max): 51,000 BTU / 16,000 – 55,000 BTU
SEER2 / EER2: 17 / 9.5
HSPF2 (IV/V): 9.6 / 7.8
Sound Pressure (Indoor): 34-49 dB(A)
Sound Pressure (Outdoor): N/A
Airflow (Cooling/Heating): Up to 1,600 CFM (850 m³/h)
Static Pressure Range: 0.08 – 0.80 inWG
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: 48" x 21" x 21" • 137 lb
Outdoor Unit Dimensions/Weight: 39-5/16" x 37" x 12-5/8" • 137 lb

Included Components
AMUH

48KUAS multi-position indoor air handler
AOUH

48KUAS1 outdoor condenser

Ideal For
Professionals and homeowners needing a flexible, ducted HVAC system for small spaces with layout constraints. Perfect for closets, mobile homes, renovations, and high-performance ducted installs.