When using alternative wiring diagram refer to important note ndwa rn ig is50 1 hc s truc oh epag 9 f b kl. When using alternative wiring diagram wiring instructions must be followed so power originates from the boiler aquastat.
Taco product information switching relays product no.
2 taco zone relay wiring diagram. The all new. Taco sr502 4 2 zone switching relay the taco sr502 4 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 layouts. Taco zone controls wiring guide pages switching relays single zone wiring 2 12 switching relays non exp connected together with priority 3 19 switching relays exp connected together with priority 10 11.
Explained thermostat wiring zone valve wiring circulator control. Taco zone controls wiring guide pages switching relays single zone wiring 2 4 switching relays oil boiler wiring safety notice 5. Combined with the time proven reliability of the 00 family of circulators and thermostats total system integrating is achieved.
When the tt calls for heat yes 2 wire is fine it tells the zone valve for its zone to open. Using a single 40va will burn the valve heads out. 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.
Its too involved to explain here. Zone controls switching relays with powerport options and expandable to 20 zones zone valve controlswith powerport options and expandable to 20 zones plug in powerport cards add on power controls fan controls. Taco zone valve wiring voltage and water.
Will i think this will help clear things up a little for wiring a 3rd heating zone using a zone valve approach. And what the signal voltages and relays do. Taco zone valve relay control.
You have 4 zone valves so you either need to 24v 40va transformers or one 24v 60va transformer. Taco zone controls wiring guide pages switching relays single zone wiring 2 2 switching relays oil boiler wiring safety notice 2 3 4 switching relays non exp connected together with priority 5 11. When the zone valve is fully open it in turn tells the circulator pump to start pumping.
Here is a picture gallery about taco sr501 wiring diagram complete with the description of the image please find the image you need. Taco wiring diagram taco wiring diagram robsinghco throughout taco sr501 wiring diagram image size 640 x 480 px and to view image details please click the image. View and download taco sr501 wiring manual online.
The easiest way to straighten out and simplify your wiring would be to get a taco sr504 relayzone valve.
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