Y plan with additional two port valve | on ElectriciansForums

Y plan with additional two port valve

Discuss Y plan with additional two port valve in the Central Heating Systems area at ElectriciansForums.net

M

midgetman

Unvented y plan system with additional 2 port valve overheat protection. I'm trying to find a wiring diagram for this set up. Has anyone got one please?
 
midgetman said:
Unvented y plan system with additional 2 port valve overheat protection. I'm trying to find a wiring diagram for this set up. Has anyone got one please?
Click to expand...

[ElectriciansForums.net] Y plan with additional two port valve

note: If the boiler has pump over run it will need connection to the pump live terminal within boiler instead of to the oranges of the valves like it shows in the diagram.

Edit: The line isn't complete between 2 on the cylinder thermostat and terminal 14 on wiring centre so draw that on if you print it off.
 

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