White Rodgers Control Relay Wiring Diagram

This article gives a table showing the proper wire connections nearly all types of white rodgers room thermostats new and old used to control heating or air conditioning equipment including the white rodgers f90 2 wire and 3 wire thermostat installations.

White rodgers control relay wiring diagram. White rodgers aquastat wiring diagram attempt to calibrate this control will void the white rodgers to prevent electrical shock and or equipment damage this diagram shows a suggested circuit. What is an isolation relay or isolation switch used in heating or cooling systems how is the relay wired. Collection of white rodgers 50e47 843 wiring diagram. Two stage intefrated 3 speed psc hsi furnace control.

In the case of the 90 340 it is the bottom two terminals of the relay. It reveals the parts of the circuit as streamlined forms and the power and signal connections between the devices. Even though the coil is unmarked on most 90 340 relays you can find it easily by locating the terminals with the small strands of wire connected. 21m51u 843 controller pdf manual download.

A two pole double throw semi enclosed relay 90 340 fits fan control centers 90 112 90 113 90 118e and 90 119. 24vac circuit such as a thermostat to control higher voltage equipment such as electric. A wiring diagram is a streamlined traditional pictorial depiction of an electric circuit. View and download white rodgers 21m51u 843 wiring diagram online.

Isolation relay control switch wiring furnace control relay isolation switches eg. A wiring diagram is a streamlined conventional pictorial representation of an electrical circuit. Thermostat wiring details connections for the white rodgers brand of room thermostats. An isolation switch allows a low voltage e g.

It is important when connecting a relay to distinguish which two relay points connect the coil. Trust the brand oems trust. White rodgers gas valve wiring diagram new best white rodgers type 91 relay wiring diagram electrical outlet. Assortment of white rodgers thermostat wiring diagram.

For over 75 years white rodgers has set the standard of excellence in heating and combustion innovation. Isolation switch purpose wiring use. I ve recently purchased a used harman sf it has the old aquastat white rodgers type 11a61 that came with it.