Mitsubishi PCA-AK42NL & PUZ-AH42NL deliver 42,000 BTU efficient ceiling-suspended heating and cooling with R-454B refrigerant. Ideal for spaces up to 1,750 sq ft, featuring quiet operation, smart controls, and durable design for reliable year-round comfort.

Unit Type: Single Zone
Product Line: P-Series AK
Operating Mode: Cooling & Heating
Low Ambient Heat: Yes
Number of Zones: 1
System Capacity: 42,000 BTU
Line Set Size: 3/8" x 5/8"
WiFi Enabled: Yes with Comfort App
WiFi Built In: No
Refrigerant: R454B

Indoor Unit PCA-AK42NL
Outdoor Unit PUZ-AK42NL

Cooling Capacity up to 42,500 BTU
Heating Capacity up to 49,400 BTU
SEER2 20.4
EER2 10.9
HSPF2 9.9
Heating Minimum Temp -13 F
Cooling Minimum Temp N/A
Room Cooling/Heating Capacity up to 1,750 sq ft

INDOOR UNIT FEATURES
• Auto fan speed mode: Automatic adjustment of fan speed
• Easy-to-clean, washable filter
• Filter status indicator
• Ideal PCA Spaces: Ideal for larger retail stores, classrooms, and restaurants
• Knock-out for outside-air intake
• Light commercial: Units with this icon are suitable for light commercial applications such as small offices, restaurants, and retail.
• Multi-Airflow settings: Airflow settings for high and low ceiling applications
• Multiple control options, including the comfort app for remote access, third-party interfaces, and both wired and wireless controllers
• Suspends from ceiling for quick and easy installation
• Up and down swing-mode: An indoor unit with this capability can move air up and down throughout the room like an oscillating fan using the horizontal
vanes.
OUTDOOR UNIT FEATURES
• High pressure/temperature protection
• High speed heating at start up: High speed heating at start up: Hyper-Heating INVERTER® reduces the time for heating at start up by about half
compared to standard models

Airflow Cooling CFM, Dry: 740-810-885-955
Airflow Cooling CFM, Wet: 810-885-955-1,025
Airflow Heating CFM, Dry: 740-810-885-955
Noise Level dB(A), Cooling: 39-41-43-45
Noise Level dB(A), Heating: 39-41-43-45
Size W x D x H: 63" x 26-3/4" x 9-1/16"
Weight: 86 lbs