Ac Fan Relay Wiring Diagram
Connect the red wire to the sending unit wire of the original fan relay harness.
Ac fan relay wiring diagram. Hd1000ac ka300 ka500 ka550 ka710 kc 3000 wire schematic kh200 kh300 kk600 r 2000 950 1100 r 2300 ac only 950 1520 r 2300 heat only 950 1520 r 2550 950 1550. A relay kit our part number ccfkrl will include everything you need to properly wire up your electric cooling fans with the exception of additional wiring needed to complete all of the circuits. 5 this diagram is to be used as reference for the low voltage control wiring of your heating and ac system. See multiple fan wiring diagram on reverse page air conditioning relay.
Start your wiring project by taking both of the positive wires from the fans and run them to the yellow wires on each relay tab 87. 86 87 30 85 optional ac relay overrides temp switch and turns on fans when a c is turned on adjustable fan. Red white wire at ac switch microswitch in dash. The gray wire from the aic relay goes to the 12 volt of the ajc.
Variety of hvac fan relay wiring diagram. It uses a 40 amp electric relay and electric fan sensor. Fan only operation common air conditioning 1st stage heat white 2nd stage heat some ac systems will have a blue wire with a pink stripe in place of the yellow or y wire. From the second a c relay connect yellow and orange wires to ground.
The first part of the installation is to install the electric fan to your radiator and remove the mechanical fan. Load and if a relay fails you will still have one fan running. The cooling fan wiring diagram below is what we ve found to be the simplest and most reliable method. I go over how to read the ratings for time how to read the resistance where to connect the 24v how to read the wiring diagram how to test the component how to know what contacts are normally.
Or in an 84 to 89 240 you may use the a c power on wire. Always refer to your thermostat or equipment. A wiring diagram is a simplified standard photographic depiction of an electrical circuit. Collection of air handler fan relay wiring diagram.
Page 5 12v switched wire to green wire at a c clutch.