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age_group:
18+
category:
Heat pumps
country_of_origin:
USA
gender:
Unisex
manufacturer:
Panasonic Products
mpn:
CU-M48BAHU
subcategory:
Outdoor Unit
type:
Outdoor Unit
Product Description
The Panasonic CU-M48BAHU is a 4-ton inverter heat pump outdoor condenser designed for the INTERIOS Central Heat Pump System. Paired with the CS-HM48BAHU multi-position air handler, it provides 48,000 BTU/h of rated cooling and heating capacity. The system uses R454B refrigerant and is designed for whole-home heating and cooling, with heating operation down to -13°F (-25°C).
Key Features
- 4-Ton Capacity: Provides 48,000 BTU/h rated cooling and heating capacity.
- Inverter Heat Pump Condenser: Variable-capacity inverter technology helps provide efficient heating and cooling operation.
- 5°F Heating Performance: Delivers 38,000 BTU/h at 5°F with a COP of 1.85.
- Cold Climate Heating: Designed for heating operation down to -13°F (-25°C).
- R454B Refrigerant: Uses R454B refrigerant for a lower-GWP HVAC system design.
- ENERGY STAR Certified: The M48BAHU system is ENERGY STAR certified.
- Multi-Position Air Handler Compatibility: Designed to operate with the CS-HM48BAHU air handler.
- Quiet Operation: The outdoor unit has a rated noise level of 65 dBA.
- Auxiliary Heat Options: Compatible auxiliary electric heat kits are available, with optional heat kits up to 25 kW.
- Multiple Control Options: Supports wired controllers, wireless remote control and third-party 24V thermostats.
- Adaptive Control System: Designed to optimize system operation across varying heating and cooling conditions.
- Chassis & Crankcase Heaters: Equipped as standard for cold-weather operation.
Specifications
- Brand: Panasonic
- Series: INTERIOS
- Model: CU-M48BAHU
- System: M48BAHU
- Unit Type: Outdoor Inverter Heat Pump Condenser
- Capacity Class: 4 Ton
- Rated Cooling Capacity: 48,000 BTU/h
- Cooling Capacity Range: 16,600–49,900 BTU/h
- Rated Heating Capacity: 48,000 BTU/h
- Heating Capacity Range: 15,300–49,500 BTU/h
- Heating Capacity at 5°F: 38,000 BTU/h
- COP at 5°F: 1.85
- Moisture Removal: 5.29 L/h
- SEER2: 16.0
- EER2: 10.0
- HSPF2 Region 4 / Region 5: 8.5 / 7.2
- COP: 3.45
- Refrigerant: R454B
- Outdoor Airflow: 3,037.1 CFM
- Outdoor Noise Level: 65 dBA
- Cooling Operating Range: -13°F to 122°F (-25°C to 50°C)
- Heating Operating Range: -13°F to 75°F (-25°C to 24°C)
Electrical Specifications
- Outdoor Power Supply: 208/230V, Single Phase, 60Hz
- Outdoor MCA: 36 A
- Outdoor MOP: 40 A
- Compressor RLA: 27 A
- Outdoor Fan Motor RLA: 2 A
- Outdoor Fan Motor: 250 W
- System Cooling Power Input: 4,800 W (1,400–5,350 W)
- System Heating Power Input: 4,085 W (1,025–4,650 W)
- Communication Wiring: AWG 20-2
Outdoor Unit Construction
- Compressor Type: Rotary
- Compressor Model: MTH550UKPC8FU
- Refrigerant Oil: HAF68D1C
- Refrigerant Oil Charge: 1,800 mL
- Outdoor Dimensions (W x D x H): 38.58 x 16.34 x 38.39 in.
- Outdoor Dimensions (W x D x H): 980 x 415 x 975 mm
- Outdoor Unit Net Weight: 192.90 lb (87.5 kg)
- Outdoor Unit Gross Weight: 224.21 lb (101.7 kg)
- Outdoor Package Dimensions (W x D x H): 45.08 x 19.68 x 42.52 in.
- Outdoor Package Dimensions (W x D x H): 1,145 x 500 x 1,080 mm
- Outdoor Package Weight: 224.21 lb (101.7 kg)
Refrigerant Piping
- Connection Method: Flared
- Liquid Line Size: 3/8 in. (9.52 mm)
- Gas Line Size: 3/4 in. (19 mm)
- Maximum Piping Length: 246 ft (75 m)
- Maximum Height Difference: 98.4 ft (30 m)
- Maximum Pre-Charged Length: 24.6 ft (7.5 m)
- Pre-Charged Refrigerant: 134.04 oz (3.8 kg)
- Additional Refrigerant Charge: 0.7 oz/ft (65 g/m)
- Indoor Throttle Type: EXV
- Outdoor Throttle Type: EXV
Compatible Indoor Unit
- Indoor Unit: Panasonic CS-HM48BAHU
- Indoor Unit Type: Multi-Position Central Air Handler
- Indoor Dimensions (W x D x H): 21.02 x 24.49 x 52.99 in.
- Indoor Dimensions (W x D x H): 534 x 622 x 1,346 mm
- Indoor Unit Net Weight: 162.92 lb (73.9 kg)
- Indoor Unit Gross Weight: 190.92 lb (86.6 kg)
- Indoor Airflow: Up to 1,600.99 CFM
Applications
- Whole-home heating and cooling
- Residential central HVAC systems
- New construction
- HVAC replacement and retrofit projects
- Multi-position air-handler installations
- Cold-climate heating applications