Free Joint Multi Max Heat®
- Available Capacities (Btu/h)
- 20K / 24K / 30K / 36K
The FJM Max Heat® unit supports 2 to 4 indoor units for multi-zone control with one outdoor unit.
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AC Features
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DESIGNED FOR COLD CLIMATES
The FJM Max Heat® shares all the features and benefits of the standard FJM system, along with the ability to provide 100% heating performance at 5°F (-15°C) with high heating output at -13°F (-25°C).
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ULTIMATE ZONING SOLUTION
The FJM Max Heat® system allows you to set the temperature of individual rooms/zones to avoid conditioning rooms that are not being used to reduce power consumption.
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TOTAL CONTROL
Through the SmartThings app, you can operate your unit from almost anywhere, at any time†.
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HIGH PERFORMANCE
The Digital Inverter compressor's variable speed control allows the compressor to operate at precisely the speed needed to maintain the set temperature without turning the system off and on to increase efficiency.
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FLEXIBLE INSTALLATION
This versatile system provides additional flexibility when installing a system that requires more than one zone of comfort, without adding parts, installation, and added costs of several outdoor units.
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EASY INSTALLATION
One button auto addressing for simple system setup when completing installation.
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QUIET OPERATION
Each model uses a twin BLDC compressor for high performance, and low noise and vibration.
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Brochures & Literature
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Pairs With
WindFree™* 3.0 WindFree™* 3.0e WindFree™* 3.0i 
WindFree™*
Mini 4-Way CassetteWindFree™*
1-Way CassetteConsole 
Slim Duct Duct S Multi-Position Air Handler (MPAH) -
Controls
Wi-Fi Adapter
Additional Information
 | Product Registration Required. Conditions Apply. |
 | The AHRI Certified® mark indicates Samsung's participation in the AHRI Certification program. For verification of individual certified products, go to www.ahridirectory.org. |
  | Select models are ENERGY STAR® labeled. Proper sizing and installation of equipment is critical to achieve performance. Split system air conditioners and heat pumps (excluding ductless systems) must be matched with appropriate coil components to meet ENERGY STAR® criteria. Ask your contractor for details or visit www.energystar.gov. |
 | †Available for download on the Google™ Play store and App Store®. A network connection is required. Samsung application account is necessary. |
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| *The WindFree™ unit delivers an air current that is under 0.15 m/s while in WindFree™ mode. Air velocity that is below 0.15 m/s is considered “still air” as defined by ASHRAE 55-2013 (American Society of Heating, Refrigerating, and Air-Conditioning Engineers). |
