521 | Programmable thermostat - 2 x Heat, 1 x Cool, Fan | Tekmar
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521 | Programmable thermostat - 2 x Heat, 1 x Cool, Fan | Tekmar

Brand: TekmarSKU: 521
Tekmar | 521
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Overview Details for 521

Programmable thermostat - 2 x Heat, 1 x Cool, Fan

The Programmable Thermostat 521 is designed for three different modes of operation: single stage heating, two stages of heating with a fan, or one stage of heating and one stage of cooling with a fan. Two auxiliary sensors may be added to measure the floor, outdoor or room temperature. A Slab Sensor 079 is included to measure floor temperature to protect the floor from overheating and enhance comfort. The programmable schedule supports either a 7 day or 24 hour schedule with 2 or 4 events per day. A permanent temperature hold button overrides the programmable schedule. An optional Adaptor Plate 012 is available to allow the thermostat to mount onto a single gang electrical box.

Features

  • Fan
  • Outdoor and floor temperature display
  • Backlight
  • Cooling
  • Time clock
  • Four hour battery-free clock backup
  • Two stage heating
  • Permanent temperature hold, radiant floor heating
  • 7 Day programmable schedule, optimum start

Specifications

Item Number 521
Brand Tekmar
Category Thermostats
Agency Approvals Meets Class B: ICES & FCC Part 15, CE
Ambient Conditions Indoor use only, 32 to 122 degrees F (0 to 50 degrees C), RH less than or equal to 90 percent non-condensing
Control Type Microprocessor control, this is not a safety (limit) control
Dimensions 3-11/16" H x 3" W x 15/16" D (94 x 76 x 24 mm)
Enclosure Material White PVC plastic
Enclosure NEMA Rating NEMA 1
Power Supply 10 to 30 V (ac/dc), 50/60 Hz, 1.8 VA, Class 2
Relay 30 V (ac/dc) 2 A, Class 2 circuits
Sensor NTC thermistor, 10 k ohms at 77 degrees F (25 degrees C plus / minus 0.2 degrees C) Beta = 3892
Zoning - Thermostat Type Programmable Thermostat

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