Taco Sr503 4 Wiring Diagram

When using alternative wiring diagram wiring instructions must be followed so power originates from the boiler aquastat.

Taco sr503 4 wiring diagram. Combine the reliability of the taco zone valves priority zoning circulators thermostats and the 00 family of circulators with the advanced features of the taco zone controls to achieve total system integration. December 20 2013 effective. Combined with the time proven reliability of the 00 family of circulators and thermostats total system integrating is achieved. No matter the application taco now provides the products.

Have a general question about adding a c wire to my taco sr503 switch relay. Sr503 4 3 zone switching relay with priority. Failure to follow these wiring instructions may result in a secondary. Hi i have a honeywell rth6500 and i have run a 4 wire set up direct to a taco sr502 i have white and red from one zone and green to com and yellow to 24ac the 2 common power posts on the sr502 i am n.

Instruction sheet sr504 exp switching relay 102 087 supersedes. January 18 2017 plant id 9300 2868 warning when using alternative wiring diagram wiring instruc tions must be followed so power originates from the boiler aquastat. 102 087 october 15 2005 effective. Taco zone controls wiring guide pages switching relays single zone wiring 2 4.

Failure to follow these wiring instructions may result in a secondary source of power. January 18 2017 plant id 9300 2866 warning when using alternative wiring diagram wiring instruc tions must be followed so power originates from the boiler aquastat. When using alternative wiring diagram the boiler oper ating control s zc terminal will see the load of the circulator s. The taco sr503 4 zone switching relay has a built in 24v transformer that is only sufficient in rating to supply voltage to the zone control.

Sr503 3 zone switching relay with priority. Battery powered thermostats do not steal power from this control therefore the 1 amp rating will be sufficient. Alternative wiring instruction sheet sr502 4 switching relay 102 377 supersedes. March 1 2006 plant id.

Alternative wiring instruction sheet sr504 4 switching relay 102 381 supersedes. Sr504 exp 4 with priority 3 120 vac input 20 amps 10 1 4 6 3 4 2 3 4 all switching relays are relay type dpst have a thermostat current of 18 and have a single phase motor rating per zone of 1 3 hp 7 2a 120 vac. Taco zone controls wiring guide pages switching relays single zone wiring 2 2. Failure to follow these wiring instructions may result in a secondary.

Neutral wire to terminal n. Hot wire to terminal h. December 20 2013 effective.