Y Plan Wiring Diagram No Room Stat

Y Plan Wiring Diagram No Room Stat. **standard dial thermostats may be power from a time clock. If you have a gravity fed or a y plan system 3port valve with no hot water off wire the green status light should be altered to be blue.

Heating does not switch on when hot water switched off? Disconnect all 3 red, yellow and blue plus the cpc (earth) in the wiring centre and connect the white from the valve to the ch on. I just wanted to check i hadn't missed something obscure.

Mid position valve opens hot water b by default;

Mid position valve opens hot water b by default; Gravity system y plan with no hot water off wire. This is the diagram for the new stat (using diagram on left for rx1);. I am planning on using the honeywell wiring centre to make things a bit easier, but unlike a standard boiler, i really can’t see how to wire this boiler up.

Follow the simple process above, selecting your heat source, cylinder choice (if applicable) and your thermostat code to view the relevant wiring diagrams for the system.

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