Taco Zvc404 Exp Wiring Diagram

The all new. Taco zone controls wiring guide pages switching relays single zone wiring 2 4 switching relays oil boiler wiring safety notice 5 switching relays non exp connected together with priority 6 9 switching relays exp connected together with priority 10 13. Taco zone valve wiring voltage and water flow tested and provedthe water in the top falls through.

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Taco zone controls wiring guide pages switching relays single zone wiring 2 2.

Taco zvc404 exp wiring diagram. Ac service tech llc 43409 views. Taco zone valve relay control. Here is the link to the wiring guide on our website. Zvc404 exp 4 zone with priority 80 va 120 vac input 12 14 8 3 zvc406 exp 6 zonewith priority 80va 120 vac input 12 14 8 3 taco inc 1160 cranston street.

Attached is the wiring diagram there was a red and white wire going to the tstat i added a third for the c wire. Zvc404 exp 4 zone valve control with priority and 2 powerports zvc406 exp 6 zone valve control with priority and 2 powerports plug in powerport cards for use with all exp controls product no. Although they can be connected together following the diagram on page 49 of the new taco zone controls wiring guide 100 92. Fully fuse protected they also include two isolated end switches and a built in priority switch.

The contractor friendly pc board layout eliminates the problems caused by incorrect wiring and the unfinished look of conventional zone valve installations. Taco zone valve wiring. Taco zvc404 4 4 zone valve control module with priority taco zone valve controls work with two three or four wire zone valves. Zvc404 4 zone valve control with priority.

Enhanced switching relay sr504 exp duration. When using alternative wiring diagram the boiler oper ating controls zc terminal will see the load of the circulators. The taco was installed in 2003 so answered by a verified hvac technician. Description pc600 post purge timer plug in card pc605 priority protection plug in card pc610 universal timerpump exercise plug in card.

I want to connect a wifi tstat to a taco zvc404 exp where do i connect the c wire. Explained thermostat wiring zone valve wiring. Product number transformer max output dimensions of enclosure number of zones voltage at 24 vac width height depth zvc404 4 with priority 120 vac input 40 va 101 46 3 23 all zone valve controls are relay type dpdt and have a single phase motor rating per zone of 1 6 hp 5a at 120 vac. Taco zvc404 exp problems i am in breckenridge co 10000 ft.