Midea MASHS-H48B-2A | MO1BU-H48B-2A 4 Ton Mini-Split Heat Pump 208/230V

Outdoor Unit Specifications

• Compressor Type: Rotary (Model: KTQ420D1UMU)

• Refrigerant: R454B with 1,000mL oil charge (VG74)

• Air Flow: 4,237.9 CFM max

• Noise Level: 65 dBA

• Dimensions: 37.48 × 16.34 × 52.48 in (952 × 415 × 1333 mm)

• Package Size: 43.11 × 19.49 × 57.48 in (1095 × 495 × 1460 mm)

• Weight: 208.78 lbs (94.7 kg) net / 239.86 lbs (108.8 kg) gross

Performance & Efficiency

• Cooling Capacity: 48,000 Btu/hr (Min 9,500 - Max 52,000)

• Heating Capacity: 50,000 Btu/hr

• Efficiency Ratings:

  • SEER2: 17.7 (Cooling)

  • EER2: 10.0 (Cooling)

  • HSPF2-4: 10.0 (Heating)

  • COP: 3.50 (Heating)

Electrical & Piping

• Power Supply: 208/230V, 60Hz, 1Ph

• System MCA: 39A

• System MOCP: 40A

• Liquid Line Size: 9.52mm (3/8in)

• Gas Line Size: 19mm (3/4in)

• Max Piping Length: 246 ft (75m)

• Max Height Difference: 98.4 ft (30m)

• Pre-Charged Length: 24.6 ft (7.5m)

• Refrigerant Pre-Charged Amount: 126.99 oz (3.6 kg)

• Additional Charge: 0.32 oz/ft (30 g/m)

• Connection Method: Flared

Notable Features

• Multi-position installation: Horizontal (left/right) or vertical (up/down)

• Durable aluminum coil enhances heat transfer

• **Constant airflow system up to 0.80 In.W.G

• Optional R4.2 fiberglass-free insulation improves efficiency

• Supports auxiliary heat kits up to 25kW

• Easy maintenance design

• Advanced control options:

  • Wired controller (standard or WiFi-enabled)

  • Wireless remote controller

  • Third-party 24V thermostat compatibility

• Chassis and crankcase heaters equipped as standard