ZVC 404 (102zone 4 relay t t to circulator or boiler aquastat relay dry contacts 12 34 12 34 zone 1 zone 2 indirect water heater aquastat or thermostat 2 wire zone valve (no end switch) jumper 3 & 4 taco 3 wire zone valve 1 2 3 thermostat thermostat 12 34 zone 3 motor end switch 4 wire zone valve (power open, self closing) ... wiring diagram
TACO ZONE CONTROLS WIRING GUIDETACO ZONE CONTROLS WIRING GUIDE Pages Switching Relays – Single Zone Wiring 2 – 2 ... When using Alternative Wiring diagram, the boiler oper- ating control’s ZC terminal will see the load of the circulator(s). ... SR502/503 Switching Relay Controlling Another SR502/503 Switching Relay SR 503 24 VAC POWER FUSE 1 AMP ZONE1 ZONE2 ZONE3
SR504 (102SR 504 ZONE 2 POWER ZONE 1 ZONE 3 ZONE 4 JUMPER FOUR ZONE SWITCHING RELAY WITH OPTIONAL PRIORITY ... Neutral wire to terminal N. Hot wire to terminal H. The Taco Connection: Combine the reliability of the Taco Zone Valves, Priority Zoning ... When using Alternative Wiring diagram, wiring instructions must be followed so power originates from ...
TACO ZONE CONTROLS WIRING GUIDE TACO ZONE CONTROLS WIRING GUIDE Pages Switching Relays – Single Zone Wiring 2 – 12 ... SR501 Switching Relay Wiring AT TO: 120 VAC POWER CIRCULATOR JUMPER 120 VAC INPUT THERMOST R W T T COM 24 VAC NH3 N/O N/C N/C N/O ... SR502/503 Switching Relay Controlling Another SR502/503 Switching Relay SR 503 24 VAC POWER FUSE 1 AMP ZONE1 ZONE2 ZONE3
The All New . . . TACO ZONE CONTROLS WIRING GUIDETACO ZONE CONTROLS WIRING GUIDE Pages Switching Relays – Single Zone Wiring 2 – 4 ... When using Alternative Wiring diagram, the boiler oper- ating control’s ZC terminal will see the load of the circulator(s). ... Wiring ONE ZONE HC SWITCHING RELAY SR 501-HC-4 LED INDICATORS R W1 24 VAC THERMOSTAT W2 COM 24 VAC TT T NH X1 120 VAC RELAY 1 ...
3 Wire Thermostat Connected to TACO Switching Relay3 wire thermostat connected to taco switching relay boiler h n t t t four zone switching relay with optional priority zone 4 on off priority 120v relay fuse 1 amp 24 vac power zone 1 zone 2 zone 3 zone 4 120 vac input to: "tt" on boiler 120 volt circulators zc zr x x end switch zone1 zone2 zone3 zone4 power input sr 504 zone 2 power zone 1 zone ...
SR504wire recommended for 120 VAC connections, 14-22 gauge wire for thermo-stat connections, and 14-22 gauge wire for 24 VAC source connections. 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 to
Taco Sr502 Wiring I have a Taco SR 2 zone switching relay --wiring configured as Cold start boiler application And a switching - Answered by a verified. I tracked the wiring down to the Taco SR switch relay and found that "W" goes to the left side "T" in zone 1, and "Rh" goes to the right side.The Taco Switching Relay is the best choice for all you zoning needs ...
SR506Taco SR506-4 - 6 Zone Switching Relay - The Taco SR506-4 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. Combined with the time proven reliability of the 00 family of circulators and thermostats, total system integrating is achieved.
Taco SR503This wiring diagram illustrates how each zone would be wired to each R & W zone input of the zone control. The isolation relay must have a set of normally open contacts and a 24V control coil. The normally open contacts as illustrated will connect to the R & W or T and T connections of the boiler zone control.