543

Discontinued - Replaced By: 553

Part of the Thermostats Series

Ordering Code: 543

UPC: 779655054301

543 tekmarNet 2 Thermostat

 

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  • Zone synchronization, zone post purge
  • Programmable setback schedule, one touch overrides (with optional user switch)
  • Auto heating cycle, tekmarNet (R) 4 communication compatible
  • Requires 8 wires, pulse width modulation
Specifications
Agency Approvals CSA C US, CSA/UL 61010-1, meets Class B: ICES & FCC Part 15
Ambient Conditions Indoor use only, 32 to 122 degrees F (0 to 50 degrees C), RH 80 percent to 88 degrees F (31 degrees C), down to 50 percent from 104 to 122 degrees F (40 to 50 degrees C), Altitude less than 6560 feet (2000 m), Installation Category II, Pollution
Control Type Microprocessor PID control, this is not a safety (limit) control
Dimensions 4-1/2" H x 4-3/4" W x 7/8" D (114 x 120 x 22 mm)
Enclosure Material White PVC plastic
Enclosure NEMA Rating NEMA 1
Power Supply 24 V (ac) plus / minus 10 percent 60 Hz, 2.5 VA, NEC / CEC Class 2
Relay W1, W2 relays 24 V (ac) 2 A
Sensor NTC thermistor, 10 k at 77 degrees F (25 degrees C plus / minus 0.2 degrees C) Beta = 3892