The Tranquility® High-Efficiency (TZ) Series offers high efficient 2-stage operation in a simple cabinet design.

The Tranquility® High-Efficiency Series also offers options that allow for application flexibility. Available options include hot water generator, enhanced iGate™ controls, coated air coils, extended range insulation, UltraQuiet package, vFlow™ internal variable water flow, motorized water valve, and automatic water flow valves.

  • Sizes 024 (2 ton, 7.0 kW) through 060 (5 tons, 17.6 kW)
  • Copeland UltraTech 2-stage scroll compressor
  • Exceeds ASHRAE 90.1 efficiencies
  • Galvanized steel construction
  • Galvanized steel drain pan with powder coat finish
  • Sound absorbing glass fiber insulation
  • Unique double isolation compressor mounting for quiet operation
  • Insulated divider & separate compressor/air handler compartments
  • Field convertible discharge air arrangement for horizontal units
  • Variable speed ECM fan motor
  • Internally trapped condensate drain line (vertical units only)
  • Eight safeties standard
  • Extended range (20 – 120°F, -6.7 – 48.9°C) capable
  • Advanced Controls — iGate™ communicating control provides advanced unit functionality & comprehensive configuration, monitoring & diagnostic capabilities through digital communication links with the variable-speed fan motor, variable-speed source pump (or modulating valve) & communicating thermostat or Configuration/Diagnostic tool.
  • Internal Variable Water Flow — Industry-first, Built-in vFlow™ replaces a traditionally inefficient, external component of the geothermal system (water circulation) with an ultra-high-efficient, variable speed, internal water flow system.

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