2 Zone Combi Boiler Wiring Diagram

There are two 2 way valves one for each ch zone.

2 zone combi boiler wiring diagram. As it is a combi no additional controls for hot water will be needed as the combi deals with that on demand double channel clock 2 roomstats for the heating zones the diagrams in the stickies will show you the connections required. Usually the sl to the boiler from the zone valve oranges terminates into terminal 4 at the boiler. Home professional zone resource centre wiring diagrams. This is a combination of the two diagrams above.

It also has a full wiring diagram. There are also two thermostats. Both valves open and the switch in both valves connects orange to 230v. The difference is that the zone valve switch is used to connect two terminals in the boiler together rather than connecting 230v to one terminal only.

Installation guide wiring plumbing e mar 15 wiring up a 2 zone heating system. There are two 2 way valves one for each ch zone. Discussion in plumbing and central heating started by profet 2 mar we have a worcester combi boiler that provides the hot water and central heating. Our wiring diagrams section details a selection of key wiring diagrams focused around typical sundial s and y plans.

All the cables run back to the boiler but aren t connected yet we manually open and close the valves by hand as needed. We have a worcester combi boiler that provides the hot water and central heating. This can be used with any boiler control voltage including 24v volt free 230v and others. Wiring diagrams for two zone valves with a combination boiler.

Both thermostats are active which powers both zone valves.