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age_group:
18+
category:
Heat pumps
country_of_origin:
USA
gender:
Unisex
manufacturer:
Panasonic Products
mpn:
CU-M18BAHU
subcategory:
Outdoor Unit
type:
Outdoor Unit
Product Description
The Panasonic CU-M18BAHU is a 1.5-ton inverter heat pump outdoor condenser designed for the INTERIOS Central Heat Pump System. Paired with the CS-HM18BAHU multi-position air handler, it provides 18,000 BTU/h of rated cooling and heating capacity. The system uses R454B refrigerant and is designed for efficient whole-home heating and cooling, with heating operation down to -13°F (-25°C).
Key Features
- 1.5-Ton Capacity: Provides 18,000 BTU/h of rated cooling and heating capacity.
- Inverter Heat Pump Condenser: Variable-capacity inverter technology helps provide efficient heating and cooling operation.
- Cold Climate Heating: Designed for heating operation down to -13°F (-25°C).
- 5°F Heating Capacity: Delivers 11,200 BTU/h at 5°F with a COP of 2.0.
- R454B Refrigerant: Uses R454B refrigerant for a lower-GWP HVAC system design.
- ENERGY STAR Certified: The M18BAHU system is ENERGY STAR certified.
- Quiet Operation: Outdoor operating noise is rated at 55 dBA.
- Multi-Position Air Handler Compatibility: Designed to work with the CS-HM18BAHU air handler.
- Auxiliary Heat Options: Compatible auxiliary electric heat kits are available for additional low-temperature heating support.
- Flexible Communication: The system uses dedicated communication wiring between the indoor and outdoor units.
Specifications
- Brand: Panasonic
- Series: INTERIOS
- Model: CU-M18BAHU
- System: M18BAHU
- Unit Type: Outdoor Inverter Heat Pump Condenser
- Capacity Class: 1.5 Ton
- Rated Cooling Capacity: 18,000 BTU/h
- Cooling Capacity Range: 5,350–20,000 BTU/h
- Rated Heating Capacity at 47°F: 18,000 BTU/h
- Heating Capacity Range at 47°F: 5,600–19,000 BTU/h
- Heating Capacity at 5°F: 11,200 BTU/h
- COP at 5°F: 2.0
- SEER2: 18.8
- EER2: 11.0
- HSPF2 Region 4: 9.1
- Refrigerant: R454B
- Outdoor Airflow: 1,450.9 CFM
- Outdoor Noise Level: 55 dBA
- Cooling Operating Range: -13°F to 122°F (-25°C to 50°C)
- Heating Operation: Down to -13°F (-25°C)
Electrical Specifications
- Power Supply: 208/230V, Single Phase, 60Hz
- Outdoor MCA: 16 A
- Outdoor MOP: 20 A
- Compressor RLA: 10 A
- Outdoor Fan Motor RLA: 0.8 A
- Outdoor Fan Motor: 34 W
- Indoor Fan Motor: 250 W
- System Power Input – Cooling: 1,635 W (400–1,900 W)
- System Power Input – Heating: 1,675 W (340–1,650 W)
- Communication Wiring: AWG 20-2
Outdoor Unit Construction
- Compressor Type: Rotary
- Compressor Model: KSN140D58UFZ
- Refrigerant Oil: VG74
- Refrigerant Oil Charge: 440 mL
- Outdoor Unit Dimensions (W x D x H): 31.69 x 12.99 x 21.81 in.
- Outdoor Unit Dimensions (W x D x H): 805 x 330 x 554 mm
- Outdoor Unit Net Weight: 77.16 lb (35 kg)
- Outdoor Unit Gross Weight: 83.77 lb (38 kg)
- Outdoor Package Dimensions (W x D x H): 36.02 x 14.57 x 24.21 in.
- Outdoor Package Dimensions (W x D x H): 915 x 370 x 615 mm
Compatible Indoor Unit
- Indoor Unit: Panasonic CS-HM18BAHU
- Indoor Unit Type: Multi-Position Central Air Handler
- Indoor Unit Capacity: 18,000 BTU/h
- Indoor Power Supply: 115/208/230V, Single Phase, 60Hz
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