Mitsubishi PAA-BA30NL & PUZ-AH30NL 30,000 BTU 16.1 SEER2 Cased Coil Heat Pump System - R454B

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Mitsubishi PAA-BA30NL & PUZ-AH30NL: 31,000 BTU Heat Pump Split System

The Mitsubishi PAA-BA30NL indoor cased coil paired with the PUZ-AH30NL outdoor heat pump delivers efficient year-round heating and cooling performance for residential and light commercial applications. Designed for compatibility with gas furnaces and Mitsubishi intelli-HEAT® systems, this 31,000 BTU heat pump split system provides reliable comfort, advanced inverter-driven operation, flexible installation options, and dependable performance across a wide range of outdoor temperatures. Ideal for homes, offices, retail spaces, and retrofit HVAC projects, the system offers an energy-conscious solution for both cooling and heating needs.

The PAA-BA30NL indoor unit is engineered for compatibility with most ANSI-certified gas furnaces and supports Mitsubishi’s Intelligent Switchover technology for hybrid HVAC applications. This feature enables automatic switching between electric heat pump and gas furnace operation based on outdoor conditions, energy efficiency preferences, or carbon reduction goals. The indoor unit incorporates a durable, high-quality drain pan with excellent heat resistance and low moisture absorption for long-term reliability. Flexible multi-position installation supports horizontal left or right configurations as well as vertical upflow and downflow orientations, making the system adaptable to a wide variety of installation requirements. With airflow up to 1,024 CFM, the indoor coil provides consistent air distribution and enhanced indoor comfort throughout the conditioned space.

The PUZ-AH30NL outdoor heat pump utilizes Mitsubishi’s INVERTER-driven twin rotary compressor technology to deliver precise heating and cooling performance while minimizing energy consumption. The system provides up to 35,400 BTU of heating capacity at 47°F and continues operating in heating mode at outdoor temperatures as low as -4°F. Blue Fin anti-corrosion coating and Seacoast Protection help protect the outdoor heat exchanger from salt, sulfur, and airborne contaminants, improving durability and maintaining long-term efficiency. Quiet operation is maintained with outdoor sound levels as low as 49 dB(A) in cooling mode and 52 dB(A) in heating mode.

Advanced control compatibility allows integration with Mitsubishi’s Comfort app, kumo cloud®, wired and wireless controllers, thermostat interfaces, BACnet® and Modbus® systems, and remote sensing accessories. Combined with intelligent hybrid heating capabilities and advanced inverter technology, the PAA-BA30NL & PUZ-AH30NL system delivers dependable comfort, energy efficiency, and installation flexibility for modern HVAC applications.

General Information

System Type: Cased coil indoor unit + single-zone heat pump outdoor unit
Models: Indoor – PAA-BA30NL | Outdoor – PUZ-AH30NL
Capacities: 31,000 BTU Cooling (Max 31,500 | Min 10,100) | 35,400 BTU Heating (Max 35,400 | Min 10,100)
Room Size: Ideal for residential and light commercial spaces up to ~1,200–1,600 sq ft
Operating Modes: Heating and Cooling
ENERGY STAR®: No
Refrigerant / Factory Charge: R-454B, 7 lb 11 oz (pre-charged for 100 ft line length)

Key Features

INVERTER-Driven Twin Rotary Compressor: Precise heating and cooling performance with reduced energy consumption
intelli-HEAT® Compatibility: Supports intelligent hybrid operation with compatible gas furnaces
Cold Climate Heating Performance: Delivers heating operation down to -4°F outdoor temperatures
High Airflow Capacity: Up to 1,024 CFM for even air distribution and comfort
Quiet Operation: Outdoor sound levels as low as 49 dB(A) cooling and 52 dB(A) heating
Flexible Installation: Horizontal or vertical multi-position installation with included drain pans
Blue Fin & Seacoast Protection: Corrosion-resistant outdoor coil protection for harsh environments
Reverse-Cycle Defrost: Maintains efficient heating performance during cold-weather operation
Advanced Controls: Comfort app compatible, wired/wireless remotes, thermostat interfaces, and BACnet®/Modbus® integration
Compact Design: Space-saving indoor and outdoor cabinet dimensions for flexible placement

Specifications (Rated Conditions)

Cooling Capacity: 31,000 BTU (Max 31,500 | Min 10,100) | SEER2: 16.1 | EER2: 9.9
Heating Capacity: 35,400 BTU at 47°F | HSPF2: 8.9 | COP at 47°F: 3.6
Low-Ambient Heating: 20,400 BTU at 17°F | 15,300 BTU at 5°F | 13,700 BTU at -4°F
Electrical: 208/230 V, 1-Ph, 60 Hz | MCA: 22 A | MOCP: 37 A
Indoor Airflow: 700–1,024 CFM (875 CFM Rated)
Moisture Removal: 7.7 pints/hr
Outdoor Airflow: 1,940 CFM
Outdoor Sound: 49 dB(A) Cooling | 52 dB(A) Heating
Piping: Liquid 3/8 in | Gas 5/8 in | Max line length: 100 ft | Max height: 100 ft
Outdoor Dimensions / Weight: 37-13/32 × 14 × 37-1/8 in | 155 lb
Indoor Dimensions / Weight: 17-9/16 × 21-7/16 × 27-1/2 in | 63.9 lb
Drain Connection: 3/4 in O.D.
Defrost Method: Reverse Cycle

Included Components

Indoor Unit: PAA-BA30NL cased coil indoor unit
Outdoor Unit: PUZ-AH30NL heat pump condenser

Ideal For

Residential and light commercial applications requiring efficient year-round heating and cooling with hybrid furnace compatibility and flexible installation. The Mitsubishi PAA-BA30NL & PUZ-AH30NL system delivers reliable comfort through advanced inverter technology, intelligent heat pump operation, low-ambient heating performance, and durable corrosion-resistant construction designed for long-term efficiency and dependability.