Coil Relay Wiring Diagram

Relay contact labeling as shown above bottom right hand corner the relay has two changeover contacts.

Coil relay wiring diagram. Field power wiring pcb fan relay equipment ground fan speed tap location orn vio relay 1 22 vdc coil rec relay 2 22 vdc coil r e c red brn heater limit switch marked terminal plug receptacle printed circuit board rectifier transformer unmarked terminal htr ls pcb rec tran relay r1 r2 relay 1 6 8 10 rec 2 4 relay 2 6 8 1 0 2 4 r relay htr3 blk. The square relay pinout shows how the relay socket is configured for wiring. The relay is typically used to start or slave a secondary device like a booster or exhaust fan. Relay 1 22 vdc coil rec relay 2 22 vdc coil t d r red brn yel blu blk blu label 3 heater va.

Adding driving lights that come on with the headlight main beam. When the ignition is turned off the power to the coil of relay 1 is cut which cuts the power to the coil in relay 2 and breaks the starter motor solenoid circuit so the engine. Generic 120v coil relays. To be wired in accordance with nec and local codes.

This how to focuses on how to wire a general purpose relay with a 120 volt coil. A 120 vac coil means that you apply 120 vac to the coil contacts black wiring to energize the relay and close the. The designation for a relay coil may be rl or just r. If you need a relay diagram that is not included in the 76 relay wiring diagrams shown below please search our forums or post a request for a new relay diagram in our relay forum.

If there is more than one relay in a circuit then the usual method is to designate relays as rla rlb or ra rb etc. This pinout image is only a 2 pole diagram for room on the page purposes but you can get the picture here with this one since a 3 pole will just have 1 more set of contacts. If any of the original wire as supplied must be replaced use the same or equivalent type wire.