2 Zone Combi Boiler Wiring Diagram

We have a worcester combi boiler that provides the hot water and central heating.

2 zone combi boiler wiring diagram. Installation guide wiring plumbing e mar 15 wiring up a 2 zone heating system. Usually the sl to the boiler from the zone valve oranges terminates into terminal 4 at the boiler. Wiring diagrams for two zone valves with a combination boiler. 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.

Both thermostats are active which powers both zone valves. The boiler is. Our wiring diagrams section details a selection of key wiring diagrams focused around typical sundial s and y plans. There are two 2 way valves one for each ch zone.

Faq wiring diagram combination boiler st9120 t6 and t4 additional wiring diagrams 04 20 v4043 zone valve s plan operation. All the cables run back to the boiler but aren t connected yet we manually open and close the valves by hand as needed. There are two 2 way valves one for each ch zone. 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.

It also has a full wiring diagram. Both valves open and the switch in both valves connects orange to 230v. This can be used with any boiler control voltage including 24v volt free 230v and others. Home professional zone resource centre wiring diagrams.

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.