Taco Sr502 Wiring

Taco SR Switching Relay with Priority, 2 Zone Switchable Priority; Built-in Priority Protection; Simplified Wiring; Premium Sealed Relays; Fuse Protected.

I am installing a taco SR Switching relay connected to a crown phantom boiler for a 2 zone radiant floor heating system. i am trying to wire a taco sr switching relay.

it says the end of line switch should go to the aquastat but it The wiring diagram is on page Dec 13, i am trying to wire a taco sr switching relay. it says the end of line switch should go to the aquastat but it The wiring diagram is on page Nov 22, I will not need that part to keep in mind when trying to figure how to wire my aquastat to the Taco SR I purchased.

I have 2 zones 1st floor.I tracked the wiring down to the Taco SR switch relay and found that “W” goes to the left side “T” in zone 1, and “Rh” goes to the right side “T” in zone 1 on the Taco (see Taco wiring picture below). The third wire was not connected at the switch relay either (colored red with black tape on the end in the Taco .

Taco SR Switching Relay combines clearly labeled PC board layout with advanced features that allow for total system customization. External indicator lights provide instant diagnostic feedback, making a snap of service calls or new installation start-ups/5(4).

Taco SR – 2 Zone Switching Relay – The Taco SR Switching Relay is the best choice for all your zoning needs, with advanced PowerPort Cards, external diagnostic lights, switchable priority and contractor friendly PC board wiringall.com: You will need at lease three wires.

My controller is a Taco 6 zone controller. W wire from the controller to the W terminal on the wiringall.com wire to the R terminal on the thermostat.

The third wire will go from the common terminal at the 24VAC terminal in the controller to the C terminal in the thermostat. The Taco Switching Relay is the best choice for all you zoning needs, with advanced PowerPort Cards, external diagnostic lights, switchable priority and contractor friendly PC board layouts.

Combined with the time proven reliability of the 00 family of circulators and thermostats, total system Price: $Need Help with wiring my Aquastat to SR Relay – wiringall.com Community Forums