2 Zone Combi Boiler Wiring Diagram

Both thermostats are active which powers both zone valves.

2 zone combi boiler wiring diagram. Usually the sl to the boiler from the zone valve oranges terminates into terminal 4 at the boiler. The boiler is. 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. 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. This can be used with any boiler control voltage including 24v volt free 230v and others. There are two 2 way valves one for each ch zone. Home professional zone resource centre wiring diagrams.

It also has a full 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. 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. The boiler heats the water and circulates it through zone 2 only zone 1 does not heat up because the valve for zone 1 is closed.

All the cables run back to the boiler but aren t connected yet we manually open and close the valves by hand as needed. Installation guide wiring plumbing e mar 15 wiring up a 2 zone heating system. This is a combination of the two diagrams above. There are two 2 way valves one for each ch zone.

Both valves open and the switch in both valves connects orange to 230v.