Mitsubishi PCA-AK36NL & PUY-AK36NL 36,000 BTU 20.6 SEER2 Ceiling Suspended Cooling Only System - R454B - PCAAK36NL/PUYAK36NL
The Mitsubishi PCA‑AK36NL indoor unit paired with the PUY‑AH36NL outdoor condenser delivers efficient 36,000 BTU cooling with inverter-driven performance. Designed for single-zone ceiling-suspended applications, this mini-split system provides quiet, dependable comfort for larger spaces up to 1,500 sq ft. It uses low‑GWP R‑454B refrigerant and features rugged construction for long-lasting reliability.
Features
INVERTER Technology: Variable-speed compressor for energy-efficient, responsive performance
Reliable Performance: Maintains steady cooling across varying outdoor temperatures
Single-Zone Focus: Designed for dependable comfort in large residential or light commercial spaces
Durable Construction: Blue Fin anti-corrosion coating and protective features for long-term reliability
Quiet Operation: Indoor sound levels as low as 37 dB(A) ensure discreet, comfortable performance
Smart Control Ready: Compatible with wired/wireless controllers and the Mitsubishi Comfort app
Low Ambient Cooling: Supports cooling operation down to 0°F for flexible year-round use
High Installation Flexibility: Pre-charged for line sets up to 225 ft, with long vertical rise options
What Our Experts Think
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The PCA-AK36NL / PUY-AK36NL pairing is a strong commercial-grade solution for large cooling-only applications where wall or floor space is limited.
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Ceiling-suspended units like the PCA series excel in open areas with high ceilings—such as restaurants, studios, retail spaces, and warehouses—thanks to their long airflow throw and wide coverage.
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With 36,000 BTU of cooling and an efficient inverter-driven compressor, this system provides steady, responsive temperature control without the loud cycling typical of older commercial AC setups.
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The use of R-454B low-GWP refrigerant future-proofs the system and aligns with new U.S. refrigerant compliance standards.
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The design is rugged, reliable, and optimized for durability, making it ideal for high-demand or extended-run environments.
Q&A
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Q: Is this system suitable for cooling only?
A: Yes. This model is strictly a cooling-only configuration—ideal for regions with mild winters or spaces that require cooling year-round.
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Q: What size area can it cool effectively?
A: Approximately 1,200–1,500 sq ft, depending on ceiling height, insulation, and heat load.
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Q: Can it be used in commercial applications?
A: Absolutely. The PCA-AK series is part of Mitsubishi’s P-Series commercial lineup, built for restaurants, gyms, retail stores, offices, and similar environments.
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Q: Does it support long refrigerant line runs?
A: Yes. P-Series systems allow for extended line lengths, making installation flexible for larger buildings or remote condenser placement.
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Q: Is airflow adjustable?
A: Yes. The unit features multiple fan speeds and wide discharge louvers to help distribute air across large, open areas.
Maintenance Tips
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Clean the intake filters monthly (or more frequently in restaurants or dusty environments) to maintain strong airflow.
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Schedule yearly professional service to clean the blower, check refrigerant levels, and inspect electrical components—important for high-capacity continuous-use systems.
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Keep the outdoor PUY-AK36NL unit free of debris, and ensure at least 2–3 ft of clearance on all sides for proper cooling performance.
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Inspect ceiling mounting hardware annually to ensure vibration hasn’t loosened brackets or fasteners, especially in high-traffic commercial spaces.
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Check drain pan and line periodically to prevent clogs, especially in humid climates where condensate volume is higher.
