The Tranquility® (817/TRM) Vertical Stack Series offers an innovative, labor-saving solution for spaces where individual, quiet control of the heating and cooling system is important. Using EarthPure® (HFC-410A)refrigerant, the Tranquility TRM not only protects the environment, it does so while delivering unprecedented comfort, efficiency, and reliability.

• Sizes 09 (3/4 ton, 2.6 kW) through 36 (3 ton, 10.6 kW)
• Environmentally-friendly EarthPure® (HFC-410A) zero ozone depletion refrigerant
• High efficiency rotary and scroll compressors
• Exceeds ASHRAE 90.1 efficiencies
• Removable chassis allows staged installation and ease of maintenance
• Galvanized steel cabinet
• Unique double isolation compressor mounting for quiet operation
• TXV metering device
• Unit or remote-mounted controls available
• Optional ECM Motor for all models
• Microprocessor controls standard (optional DXM and/or DDC controls)
• BACnet, Modbus and Johnson N2 compatibility options for DDC controls
• Unit Performance Sentinel performance monitoring system
• Attractive return air panel with hinged access door (“G” panel)
• Multiple supply air discharge options
• Stainless steel braided hose kits for connection from piping risers to chassis
• Eight safeties standard
• Wide variety of options including disconnect switch and extended range