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Thermostats and Controls for Central Air Conditioners

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Zoning System SZP3 Robertshaw

Zoning System

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In a home, zoning lets people maintain comfortable temperatures in rooms where they spend most of their time, and it minimizes heating and cooling to areas infrequently used. Consumers enjoy optimal room temperatures, and zoning pays for itself through reduced energy costs and the installation of multiple systems. In commercial applications such as an office, a conference room can be kept at a cooler temperature than the rest of the facility. A restaurant dining area could be kept at a different temperature from the kitchen or any offices. Everyone benefits from zoning, and it’s suitable for a wide range of applications.

  • Low profile, ultra slim logic panel houses microprocessor
  • Standard unit controls 3 zones
  • Expandable up to 19 zones in 2-zone increments
  • Compatible with electric, gas, oil or heat pump equipment
  • Controls up to 3-stage heat and 3-stage cool for conventional equipment
  • LED indicator displays all system functions with 4 lines by 20 characters
  • Constant or automatic fan runs during occupied cycle
  • 45-second fan purge into last zone(s) for added comfort
  • Smoke input terminals allow for connection to duct smoke detectors
  • Perimeter heat control from zone thermostats
  • Solid state control module with current limiting protection on all outputs
  • 365-day per year clock
  • LCD display


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