Mitsubishi PKA-AL12NL & PUY-AK12NL 12,000 BTU 21.1 SEER2 Wall Mounted Cooling Only System - R454B

Mitsubishi PKA‑AL12NL & PUY‑AK12NL: 12,000 BTU Wall-Mounted Cooling-Only Mini-Split System

The Mitsubishi PKA‑AL12NL indoor unit paired with the PUY‑AK12NL outdoor condenser delivers efficient 12,000 BTU cooling for single-zone applications. Designed for commercial environments, this inverter-driven mini-split system provides reliable, quiet comfort for spaces up to ~500 sq ft. It operates with R‑454B refrigerant and features durable construction for dependable performance.

General Information

• System Type: Wall-mounted ductless air handler + single-zone cooling-only condenser

• Models: Indoor – PKA‑AL12NL | Outdoor – PUY‑AK12NL

• Capacities: 12,000 BTU Cooling

• Room Size: Ideal for up to ~500 sq ft

• Operating Modes: Cooling only

• ENERGY STAR®: Yes

• Refrigerant / Factory Charge: R‑410A, pre-charged

Key Features

• INVERTER Technology: Variable-speed compressor for energy-efficient, responsive performance

• Commercial-Grade Build: Engineered for continuous operation in light-commercial settings such as server rooms, offices, and retail spaces

• Durable Construction: Features anti-corrosion coating and robust design for long-term reliability

• Quiet Operation: Indoor sound levels as low as 34 dB(A) for discreet performance

• Smart Control Ready: Compatible with wired and wireless controllers for flexible system management

• Airflow Control: Adjustable vanes and auto-swing mode promote even air distribution throughout the room

Specifications (Rated Conditions)

• Cooling Capacity: 12,000 BTU | SEER2: 21.1 | EER2: 14.8

• Electrical: 208/230 V | 1‑Ph | 60 Hz

• Airflow (Dry): Up to 385 CFM

• Sound Pressure: Indoor 34-43 dB(A) | Outdoor 44 dB(A)

• Piping: Liquid ¼ in. | Gas ½ in. | Max line length 165 ft | Max height 100 ft

• Indoor Dimensions / Weight: 35-11/32 x 9-11/32 x 11-25/32 in. | 28 lbs

• Outdoor Dimensions / Weight: 34-19/64 x 11-13/16 x 24-13/16 in. | 99 lbs

• Drain Connection: ⅝ in. O.D.

Included Components

• Indoor Unit: PKA‑AL12NL wall-mounted air handler

• Outdoor Unit: PUY‑AK12NL cooling-only condenser

• Remote Controller

Ideal For

Homeowners, contractors, and commercial users needing an efficient, high-performance cooling-only system for server rooms, retail spaces, classrooms, or offices. Built for continuous use with dependable operation and quiet comfort in heat-sensitive environments.