Discuss Vaillant Eco Pro 30 - no call for heat in the Central Heating Systems area at ElectriciansForums.net

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Not getting a call for heat when motorised valve opens. There's continuity between switched live on the motorised valve and the RT terminal in the boiler. The valve seems to be operating. The combi works fine on the hot water side.

I've removed the 24V RT bridge as per the installation manual

What am I missing?
 
Are you getting 230v on the RT terminal?
[automerge]1591973035[/automerge]
And if this is a new boiler install, have you turned on heating through the boiler menu, on Vaillant it is turned off by default so needs turned on.
 

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