KeplerX Heat Pump R32 Free Match Outdoor Unit Series

KeplerX Heat Pump R32 Free Match Outdoor Unit Series

Multi-Zone Inverter Heat Pump Outdoor Units with R32 Refrigerant

Models: 22S-KAC2H18R2N3C • 22S-KAC3H24R2N3C • 22S-KAC4H30R2N3C • 22S-KAC4H36R2N3C • 22S-KAC5H42R2N3C

The KeplerX Heat Pump R32 Free Match Outdoor Unit Series delivers flexible, high-efficiency performance for multi-zone ducted and ductless applications. Designed to pair with multiple indoor unit types and capacities, these systems feature inverter-driven rotary compressors, environmentally friendly R32 refrigerant, and wide operating temperature ranges for dependable comfort in all seasons.

⚙️ Performance Highlights

Cooling Capacity: 18,000 – 42,000 Btu/h
Heating Capacity: 18,000 – 46,000 Btu/h
SEER2 Efficiency: Up to 23.0
HSPF2 Efficiency (USA): Up to 14.4
Power Supply: 208/230V, 1Ph, 60Hz
Compressor Type: GMCC High-Efficiency Rotary
Refrigerant: R32 – Low GWP, high-efficiency refrigerant

• AHRI, ENERGY STAR®, and ETL certified

• Inverter technology for stable temperature control and lower power consumption

• Compatible with ducted, non-ducted, and mixed indoor systems

❄️ Cooling & Heating Performance

• High Efficiency: Up to 23 SEER2 and 14.4 HSPF2 (USA) for superior energy savings

• Wide Capacity Range: 18K to 42K BTU options for multi-room or large-zone coverage

• Inverter Compressor Control: Variable-speed operation adjusts to real-time load demands

• Extended Operating Range: Delivers reliable heating down to –13°F (–25°C)

🔋 Electrical & Compressor System

• Power Supply: 208–230V, 1Ph, 60Hz

• Voltage Range: 187–253V

• Compressor Type: GMCC rotary inverter

• Compressor Capacity: 4,345 – 10,010 W

• Compressor Oil Type/Charge: VG74 / 420–1000 ml

• Min. Circuit Ampacity: 15–29A (depending on model)

• Max Fuse Size / MOP: 20–45A

🌬️ Airflow & Noise Levels

• Outdoor Fan Type: Axial, direct drive

• Fan Speed: 850–940 r/min

• Airflow Range: 1,529 – 2,353 CFM

• Sound Pressure Level: 54–59 dB(A)

Optimized blade geometry and fan motor control ensure quiet, efficient operation under all load conditions.

📏 Construction & Dimensions

Casing: Powder-coated galvanized steel for weather resistance
Throttle Type: Capillary
Dimensions (W×D×H):

• 880×353×557 mm (34.65×13.9×21.93") – 18K model

• Up to 1046×455×808 mm (41.18×17.91×31.81") – 42K model
  Weight Range: 34 – 81 kg (75 – 179 lbs)

Refrigerant System:

• Pre-Charged Length: 15–37.5 m (49–123 ft)

• Additional Charge: 15 g/m (0.16 oz/ft)

• Max Total Piping Length: 40–100 m (131–328 ft)

• Max Height Difference (IDU–ODU): 15 m (49 ft)

• Max Height Difference (IDU–IDU): 10 m (33 ft)

🌡️ Design Advantages

• Multi-zone “Free Match” design supports multiple indoor unit types

• Inverter-driven compressor provides superior temperature stability and efficiency

• Eco-friendly R32 refrigerant for lower environmental impact

• Extended operating range: –13°F to 125°F (–25°C to 52°C)

• Compact, service-friendly design with accessible connections

• Factory-tested for performance, reliability, and electrical safety

🏠 Ideal Applications

• Multi-zone residential homes and apartments

• Light commercial offices, retail stores, and restaurants

• Renovation or retrofit projects with existing indoor units

• Year-round heating and cooling for variable-load environments