Boiler Zone Wiring Diagram. Wiring centres air vents valves. Im an ex auto tech and.
The s plan is popular because it is versatile you can add an unlimited number of zones simple to wire and easy to fault find on. It also allows you to satisfy the need for a positive shut off of water flow. Hi in most boilers on the market today that have opentherm support majority do not support 2 zone valves unless they are isolated and independent of the boiler ie 1 controller does the opentherm 2 additional timersprogrammers do the zone valves.
Im an ex auto tech and.
Esavbcv automatic air vent. No external pump no tanks no external expansion vessel no motorised valves and in many cases item 6 is not needed either. My understanding is that the orange is normally intended as a feed to tell the boiler to fire. What is the point of this valve in the.