Product Overview

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Not all terminals available on all models.
See thermostat manuals for specific wiring options.
Rated Voltage: 20V to 30VAC, 24VAC nominal
Rated A.C. / D.C. Current: 0.05 to 0.75 AC / 0.0 to 0.75 DC Amp continuous, per output, surges to 3 Amps max.
Control Range: Heating: 38 to 88°F (6 to 30°C) in 1° steps Cooling: 60 to 108°F (16 to 40°C) in 1° steps
Thermostat Sensing Range: 20 to 124°F (0 to 48°C) Control Accuracy: +/-1°F @ 68°F (0.5°C @ 20°C)
Minimum Deadband: (between Heat and Cool) 2°F (1°C)
Dimensions: 4.5”H x 4”W x 1”D (114mm x 102mm x 26mm)
Thermostat LEDs: Red – Emergency Heat, Yellow – Fault, Green – Filter
Equipment Terminations: R - 24V switching voltage, W1 - Heat1 or Aux/Emer Heat, G - Fan, Y1-Compressor1,
Y2 - Compressor2, O/W2 - Heat2 or Rev. Valve in Cooling, B-Rev. Valve in Heating
Power Terminations: 24V - remote power by removing jumper, 24V(c) - power common
(from HVAC equipment)
Input Terminations: LED1 (Green LED / Filter Icon), LED2 (Yellow LED / Fault Icon)
Occupancy Terminations: CLK1 ( + ), CLK2 ( - )
Remote Sensor Terminations: RS+V - Power, RS2 - Return, RS1 - Data