Taco Relay Wiring Diagram. Taco 571 zone valve wiring diagram wiring diagram software mac 2 zone valve life style by taco sr502 switching relay configuration adding. 12 8 wire recommended for 120 vac connections 14 22 gauge wire for ther.
Taco f5 cast iron circulator 125 hp enter code save5 at checkout for 5 off the f5. 120 vac power tor jumper c input thermost r w t t 24 c com no nc nc no 3 6 5 to. F l w h s c c an r es ul ti poj ydh m g.
N neutral wire of power input h hot wire of power input 3 common terminal for 4 no and 4 nc 4 no normally open terminal 4 nc normally closed terminal 6 nc normally closed terminal 6 no normally open terminal 5 common terminal for 6 no and 6 nc alternative wiring.
Failure to follow this instruction can result in personal injury or death andor property damage. The clarification concerns technician safety when using switching relay controls not just tacos in conjunction with an oil fired boiler with a tankless coil. Expanding from 4 to 6 zones redux. Taco sr502 4 switching relay wiring diagram.