Mitsubishi PAA-CA36NL & PUY-AK36NL 36,000 BTU 18.1 SEER2 Cased Coil Cooling Only System - R454B

Mitsubishi PAA-CA36NL & PUY-AK36NL: 32,000 BTU Split-System Air Conditioner

The Mitsubishi PAA-CA36NL indoor cased coil paired with the PUY-AK36NL outdoor condenser delivers efficient, high-performance cooling for residential and light commercial applications. Designed for compatibility with gas furnace systems and hybrid HVAC installations, this 32,000 BTU split-system air conditioner combines Mitsubishi’s advanced inverter-driven technology, flexible installation options, and durable construction to provide dependable comfort and energy-efficient operation throughout the cooling season.

The PAA-CA36NL indoor unit is engineered for compatibility with most ANSI-certified gas furnaces and supports Mitsubishi intelli-HEAT® technology, providing intelligent integration capabilities for hybrid HVAC systems. While paired here with a cooling-only outdoor unit, the indoor coil is designed to accommodate advanced comfort solutions and future system flexibility. The indoor unit features a high-quality drain pan with excellent heat resistance and low moisture absorption for long-term durability. Multi-position installation supports horizontal left, horizontal right, upflow, and downflow configurations, making the unit adaptable for a wide variety of residential replacements, new construction projects, and light commercial installations.

The PUY-AK36NL outdoor condenser utilizes Mitsubishi’s INVERTER-driven twin rotary compressor technology to precisely match cooling demand, reducing energy consumption while maintaining consistent indoor temperatures. Unlike conventional single-stage systems that cycle on and off, inverter technology continuously adjusts compressor speed to improve efficiency, reduce temperature fluctuations, and provide quieter operation. The system delivers up to 36,000 BTU of cooling capacity while maintaining excellent part-load performance and comfort control.

Built for long-term reliability, the outdoor unit incorporates Blue Fin anti-corrosion coating and Seacoast Protection to help shield the heat exchanger from salt, sulfur, and airborne contaminants. These protective features make the system well suited for coastal environments and other demanding outdoor conditions. The condenser supports cooling operation in ambient temperatures from 23°F up to 115°F, allowing dependable performance across a wide range of climates and applications.

Despite its powerful performance, the system operates quietly with outdoor sound levels as low as 52 dB(A). Advanced control options support Mitsubishi Comfort app connectivity, kumo station®, BACnet® and Modbus® interfaces, wired and wireless remote controllers, remote sensors, and third-party thermostat integration for flexible comfort management and building automation compatibility.

General Information

System Type: Cased coil indoor unit + single-zone cooling-only outdoor condenser

Models: Indoor – PAA-CA36NL | Outdoor – PUY-AK36NL

Capacities: 32,000 BTU Rated Cooling (Max 36,000 | Min 16,200)

Room Size: Ideal for residential and light commercial spaces up to ~1,500–2,000 sq ft

Operating Modes: Cooling Only

ENERGY STAR®: No

Refrigerant / Factory Charge: R-454B, 9 lb 14 oz (pre-charged for 100 ft line length)

Key Features

INVERTER-Driven Compressor: Precise cooling output for enhanced efficiency and comfort

Twin Rotary Compressor: Reliable, smooth, and efficient operation

intelli-HEAT® Compatible Indoor Unit: Supports hybrid HVAC applications with compatible equipment

High Airflow Performance: Up to 1,201 CFM indoor airflow

Blue Fin Coating: Corrosion-resistant outdoor heat exchanger protection

Seacoast Protection: Enhanced durability in coastal and harsh environments

Quiet Operation: Outdoor sound levels as low as 52 dB(A)

Flexible Installation: Multi-position indoor installation configurations

Cooling Operation Range: Outdoor temperatures from 23°F to 115°F

Smart Controls: Comfort app compatibility, wired/wireless remotes, thermostat and building automation interfaces

Specifications (Rated Conditions)

Cooling Capacity: 32,000 BTU (Max 36,000 | Min 16,200) | SEER2: 18.1 | EER2: 11.7

Electrical: 208/230 V, 1-Ph, 60 Hz | Outdoor MCA: 34 A | MOCP: 56 A

Indoor Airflow: 800–1,201 CFM

Outdoor Sound: 52 dB(A) Cooling

Piping: Liquid 3/8 in | Gas 5/8 in | Max line length: 100 ft | Max height: 100 ft

Outdoor Operating Range: 23°F to 115°F Cooling Ambient

Outdoor Dimensions / Weight: 41-11/32 × 14 × 52-43/64 in | 224 lb

Indoor Dimensions / Weight: 21-1/8 × 21-7/16 × 32 in | 79.4 lb (cased coil)

Drain Connection: 3/4 in O.D.

Included Components

Indoor Unit: PAA-CA36NL cased coil indoor unit

Outdoor Unit: PUY-AK36NL inverter-driven air conditioning condenser

Ideal For

Homes and light commercial spaces seeking high-efficiency cooling with advanced inverter technology and flexible furnace compatibility. The Mitsubishi PAA-CA36NL & PUY-AK36NL system delivers powerful cooling performance, precise temperature control, quiet operation, corrosion-resistant durability, and dependable comfort for demanding applications.