The purpose of this site is to help people go beyond the thermostat. Do you have any experience with control circuits and do you have an existing diagram for it now? When used to operate a zone valve the thermostat wires are connected to the zone valve terminals, not to a primary control on the heating boiler. Heated water from a boiler can pass through an open zone valve to heat the thermostat's area. Two wires coming from wall, replaced bi-metal type tstat with digital programmable. This is the color that controls the fan or the relay that controls the blower.
The Flair Zone-A-Trol valves in the company's wiring diagrams are typically shown wired in parallel. Old Thermostat Disposal - How to Wire a Thermostat Always keep in mind to properly dispose of hazardous materials responsibly. A thermostat improperly located on a cold wall or in a draft could also be a problem. In that case, the wiring instructions for one company may be different from the other. Photo below, reader contributed illustrates typical wiring connection at two zone valves. We also provide a to this topic, or you can try the page top or bottom as a quick way to find information you need.
Brief component descriptions are provided, along with updated contact and website details for most major manufacturers. In addition to your control, the Honeywell L6006C 1010, Honeywell's L8124A,C and 8151A are triple aquastats similar in function, often used to control zone valves. We have no relationship with advertisers, products, or services discussed at this website. Home Owner: I tested both zones and both came back at 26. They get home and dust off the toolbox.
Problems caused by improperly installing a thermostat. Upstairs thermostat was at 58, downstairs at 63. If it is more than that use the butt-end of the screwdriver. Connected one zone valve, turned on, made sure red light came on and zone valve motor activated. A zone valve stuck open or opened manually can give the same overheating trouble. The problem may not be with the thermostat. Or Red to the thermostat R terminal which is shared with both the heating and cooling.
The bit is the perfect size for the anchors. They go down to the local hardware store and purchase a brand new thermostat. Cooling anticipators are not adjustable where heat anticipators are adjustable in mechanical thermostats. In a hydronic radiant install with two zones, if one works and the other doesn't then the issue is most likely the zone valve controller for the zone that isn't working. But as the thermostat is basically an on-off switch, indeed we've discussed with readers the successful combining of more than one zone valve switched by the same thermostat. Only thermostat like that that comes to mind is the old Honeywell T-87.
It covers the same control or color features as the 5-Wire thermostat wiring above except for heat only. They hooked everything up correctly. For exceptional control of heat pump or fan coil LoadMatch systems Taco LoadMatch ® Thermostats are all-in-one controls that are pre-programmed to suit LoadMatch applications with little or no additional configuration needed. However, I don't know if my system can handle it. We turned upstairs up to 65 and since then have had no heat to the downstairs zone.
Properly wired, the individual thermostat calls for heat, the zone valve opens, when the valve is fully open an end switch in the valve connects a second pair of wires that turn on the circulator pump back at the boiler. This setup worked like a charm. I assume that the boilers control board is providing the rest of the operation. And the possibility exists that the thermostat will fall off the wall. Likewise, the push-button switch has 4 wires: the other side of the Xfmr, +3 wires for each position setting obviously same wires as connected to the gas controller.
Most thermostats have built-in screws while other simply snap in place. Labels on circuit breakers are not always correct. The levers for the zone valves don't move for either. The green light should always be on, indicating that power is connected. Taco Zone Valves for Hydronic Heating Systems and Geothermal Heating Systems. Some are successful at changing the thermostat and some are not.
Before you begin to install your new thermostat turn the power off. If any of the old paint is going to show you may want to make some touch-ups now. On 2015-07-25 by sam I have 4 Honeywell zone valves and 2 thermostats I want to wire 1 tstat to 2 zonevalves not sure how to do On 2014-11-27 by mod - zone valve wiring error - both zones open when just one thermostat calls for heat Mark I agree that it sounds as if there is indeed a wiring error. On installations where it is not convenient to wire from valve to valve as in the diagram, a separate 3-color wire conductor can be run from terminals 1, 2, 3 of each zone valve to a convenient junction point. .