30+ Taco Sr504 4 Wiring Diagram. Zone controls, switching relays/ with powerport. For information on taco’s switching relays (sr) including catalog sheet, instruction sheets, visio stencils and our highly praised zone controls wiring guide, scan the qr code to the left or go.

Controls may be daisy chained up to 20. When using alternative wiring diagram, wiring instructions must be followed so power originates from the boiler aquastat. Connect a thermostat to the “t t” terminals on the switching relay.
When The Thermostat Calls For Heat, The Relay Is Energized And Power Is Given To The Circulator.
November 27, 2014 supersedes date: Controls may be daisy chained up to 20. Connect a thermostat to the “t t” terminals on the switching relay.
Will Repair Or Replace Without.
Failure to follow these wiring instructions may result in a secondary. A wiring diagram is a simplified conventional photographic representation of an electrical circuit. It shows the parts of the circuit as streamlined shapes, and the power and signal links between.
For Information On Taco’s Switching Relays (Sr) Including Catalog Sheet, Instruction Sheets, Visio Stencils And Our Highly Praised Zone Controls Wiring Guide, Scan The Qr Code To The Left Or Go.
It features priority operation, allowing one zone to take precedence. When using alternative wiring diagram, wiring instructions must be followed so power originates from the boiler aquastat. For information on taco’s switching relays.
The Taco Sr504 Wiring Diagram Covers All The Necessary Components, Including The Power Input, Zone Valves, Thermostats, And Control Panel Connections.
Each wire is labeled and color. Zone controls, switching relays/ with powerport.