Indoor Fan Relay Wiring Diagram For
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Indoor fan relay wiring diagram for. In a changeover relay the 87a pin will be hot anytime the 87 pin is off so long as power is connected to pin 30. If the optional electric heat package is used the heat relay is energized and the electric heaters are energized. Thanks go to bob wilson volvodad on brickboard for contributing to these differences. Goettl las vegas air conditioning inc.
If room temperature continues to fall the thermostat com pletes circuit r w. The control relay will start the indoor fan if it is not already running. Lay cr outdoor fan contactor ofc and compressor con tactor s c1 and c2 on 20 ton close. A wiring diagram is a simplified standard photographic depiction of an electrical circuit.
A wiring diagram is a streamlined conventional photographic depiction of an electric circuit. It reveals the components of the circuit as streamlined shapes as well as the power and also signal links between the tools. Collection of air handler fan relay wiring diagram. The indoor fan motor will also start.
It reveals the parts of the circuit as streamlined shapes and the power as well as signal connections between the devices. Understanding basic electrical wiring and components of air conditioning systems duration. Indoor fan keeps running. The outdoor fan contactor will start the condenser fan and the compres sor contactors will immediately start the first stage compres sor s.
This type of relay will work for this application also but you will not use pin 87a. Variety of hvac fan relay wiring diagram. When the thermostat is satisfied the circuits are opened and the compressor outdoor fan motor heaters and.