540

tekmar540
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Discontinued - Replaced By: 553

Part of the Thermostats Series

Ordering Code: 540

UPC: 779655054001

540 tekmarNet 2 Thermostat

 

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The tekmarNet (R) 4 Thermostat 540 is designed to operate a single stage of heating, cooling, and fan within a residential heating and cooling system. It can be used with any terminal unit type, including radiant floor, baseboard, and fan coils. It is capable of controlling the heating device using a zone valve or zone pump through a tekmarNet (R) 4 Wiring Center, Zone Manager or directly from the thermostat. An optional Adaptor Plate 007 is available which allows the thermostat to be installed onto a single gang electrical box.

Features

  • Zone synchronization, zone post purge
  • Intelligent setback (with tekmar 033 timer), one touch overrides (with optional user switch)
  • Auto heating cycle, cooling interlock
  • tekmarNet (R) 4 communication compatible, Requires 7 wires
Specifications
Agency Approvals CSA C US, meets Class B: ICES & FCC Part 15
Ambient Conditions Indoor use only, 32 to 122 degrees F (0 to 50 degrees C), RH less than or equal to 92 percent to 104 degrees F (40 degrees C), and 50 percent above 104 degrees F (40 degrees C), Altitude less than 9840 ft. (3000 m), Pollution Degree 2
Control Type Microprocessor control, this is not a safety (limit) control
Dimensions 2-7/8" H x 2-7/8" W x 13/16" D (73 x 73 x 21 mm)
Enclosure Material White PVC plastic
Enclosure NEMA Rating NEMA 1
Power Supply 24 V (ac) plus / minus 10 percent, 50/60 Hz, 1.8 VA Standby, 56 VA fully loaded, NEC / CEC Class 2
Relay G, W, Y relays 24 V (ac) 2 A

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