Taco Power Head Wiring Diagram. Never remove power head while thermostat is calling for heat. The circuit through terminals 2 and 3 of the power head to the boiler control t t and.
5the plug in quick connects can be disconnected from the valve actuator for ease of wiring. Taco 555 050rp zone valve power head w end switch series 570 when you want the industry standard for hydronic heating applications choose tacos 570 gold series. The 24 volt 40va transformer is there to power the wax motor coil and operates through 1 and 2.
Is the least efficient diagram among the electrical wiring diagram.
The circuit through terminals 2 and 3 of the power head to the boiler control t t and. Tt on boiler sr501 1 zone switching relay power t stat alternative wiring 24 vac powered input signal h n remove jumper. Insert the corresponding wire into the quick connects see wiring diagrams and tighten by turning the screw. Wire diagram for taco zone valves.