Wireless Thermostat Installation Guide and the Control4
Wireless Thermostat Installation Guide and the Control4
Wireless Thermostat Installation Guide and the Control4
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Figure 6. Bypass Resistor23Access <strong>the</strong> 24V transformer <strong>and</strong> integrated control panel on <strong>the</strong> HVAC system. This typicallyrequires removing <strong>the</strong> front panel of <strong>the</strong> furnace. Remember to turn OFF <strong>the</strong> power to <strong>the</strong>HVAC system before accessing <strong>the</strong> transformer.Install <strong>the</strong> resistor on <strong>the</strong> HVAC system, not on <strong>the</strong> <strong>Thermostat</strong>. Wire <strong>the</strong> resistor from <strong>the</strong>Heat Relay Terminal (W or W1) to <strong>the</strong> common side of <strong>the</strong> 24Volt HVAC system transformer.Figure 7 shows <strong>the</strong> wiring diagram of a typical single-stage HVAC system with <strong>the</strong> resistor inplace.24
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