Central Heating Wiring Diagram

Diagram

Central Heating Wiring Diagram. Y plan wiring. It is recommended that either the 10 way junction box or.

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System wiring diagrams. Combination boiler with 2 heating zones 230v switching. The diagram set includes wiring plans for a number of popular configurations of central heating systems c plan w plan y plan s plan s plan etc.

Control wiring for combination boilers.

Completed wiring will be as line drawing below. Start date may 15 2009. External programmers for combination boilers. When circuit is wired as above.