Product Tags : Wifi thermostat Fan coil thermostat smart thermostat Product Attributes : HTW-WF06-FC series Smart Wifi fan coil thermostat is widely used in these environment like Homes, Residential buildings, Schools, Hotels, Hospitals, Offices and etc. I think I can do this by putting relays in between each thermostat and zone valve. At this point I am considering just finding some cheapo thermostats that would … The zone valve motors are controlled, and also powered, by the 24 volt system so it should be a matter of pigtailing in to the common return where it connects to the valve wiring. Has anyone every hooked up a nest with a zone valve? There are 5 thermostats in the … I just installed a taco SR506-EXP zone valve switching relay and now all the zones read on when my existing nest thermostats are not calling for heat. It has something to do with the wires running on the wall for this thermostat. Thermostat Wiring Taco Wire Color – Data Wiring Diagram Detailed – Wiring Diagram Sr502 Navien Boiler Nest . How old is it? When the valve gets near full open, it interrupts current by opening a switch, so the heater coil doesn't overheat. Or … F Zone Valve with Z-TV-W Aquastat (Varies by manufacturer - see www.fast-stat.com for additional wiring ... Black Purple White Purple Red Black White Thermostat Cable 3 2 1 Thermostat Cable Thermostat Thermostat 3 2 1 T TV Z W Aquastat Zone Valve Zone Valve Thermostat Cable 3 2 1 Thermostat Cable Thermostat W C R Thermostat R C W Sender WR … I get the same reading on a volt meter between the red and white wires at the thermostat for both the zone 1 Nest E and the zone 2 Nest E. It seems to be between 20-30. Boiler Aquastat Operating Control Wiring Explained … The Nest Learning Thermostat is among the best-known smart thermostats around, and for good reason. If you have more than one thermostat for your low voltage system (for example, one upstairs and one downstairs), Nest’s Thermostat-E makes the most sense. But we finally figured out the problem. - 2x Zone valves Mt understanding of the tech diagrams are the controller sends live power to the stats when scheduled. If your existing thermostat is wireless and runs on batteries this is by far the easiest … We pulled out the thermostat and directly connect it with the zone valve and common wire and it was running fine. Wiring Diagram Using a Zone Valve with a 24-V Thermostat and a Transformer For illustration purposes only: • Location of thermostat may vary. Wiring Diagram by Anna R. Higginbotham …tips are illustrated with sensible examples. How To Wire A System Circulator To A Taco Zone Valve Control (Zvc – Taco Zone Valve Wiring Diagram Wiring Diagram not merely offers… Honeywell Zone Valve Wiring Diagram. Taco 550 Series Heat Motor Zone Valves Taco's 550 Series heat motor zone valves … If the temp it low, they will then send power to the valves to open them up and allow hot water through. This works fine until there is a call for heat and that taco valve opens. Nest thermostat connects to a back plate called nest base. Are the nest thermostats not compatible with the taco switching relay they appear to be operating correctly? I hooked up a Nest 3rd Gen today with a standard Honeywell V8043E1012 24VAC Zone valve and for some reason it would not kick on the zone valve. Contractor's Assistant: Where in your home is your nest thermostat installed? Are the nest thermostats not compatible with the … read more - 2x Thermostats: Honeywell T6360B. The Taco SR503-4 Zone Switching Relay has a built-in 24V transformer that is only sufficient in rating to supply voltage to the Zone Control. 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 Switching Relays – Multiple Indirect Hot Water Heaters 12 – 13 Switching Relays – EXP Connected To Reset Controls (PC700, 702 & 705) 14 – 21 Zone Valve … As I’m learning, the zone valve itself is already wired to the boiler and that connection controls when the boiler circulator motor runs. Expensive: no smart thermostat can handle multiple zones, so I need 1 for each zone (~$200*6 = $1200) Difficult: I would need to re-run thermostat wire in order to get the infamous C-wire. If your current thermostat only has 2 wires present and you're using a Taco zone board for zone control (you have multiple thermostats in your home), you can install the FAST-STAT Common Maker.The diagrams below illustrate how your system is currently wired with the Taco zone board vs. how it will be wired with the Taco zone board once the FAST-STAT is installed.