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Andrew Smith
Andrew Smith, Home Appliance Technician
Category: Appliance
Satisfied Customers: 3645
Experience:  Gas cooker specialist
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I want to connect a pair of volt free contacts of the

Customer Question

I want to connect a pair of volt free contacts of the motorised valves which are controlled separate what are the connections on my vaillant ecotec plus system boiler thanks
Submitted: 7 months ago.
Category: Appliance
Expert:  Andrew Smith replied 7 months ago.

Are you wiring as an S plan?

Customer: replied 7 months ago.
No separate controls just heating demand to boiler when vAlve opens
Expert:  Andrew Smith replied 7 months ago.

Is there a timer on the boiler?

Customer: replied 7 months ago.
to control boiler only vts 160 I have 3 valves in house controlled by wi to stats to each vAlve only want volt free contacts to fire boiler on demand
Expert:  Andrew Smith replied 7 months ago.

Ok, you want the timer to control all of the heating?

Where are the 2 ports powered from? Room stats from the boiler supply?

Customer: replied 7 months ago.
Power separately clock only for boiler
Customer: replied 7 months ago.
Powerd not from boiler remote
Customer: replied 7 months ago.
I'm still here any advice would be appreciated
Expert:  Andrew Smith replied 7 months ago.

where are your 2 ports powered by?

Expert:  Andrew Smith replied 7 months ago.

If you want to run it separately then connect the orange and grey from the two room stat connections - in parallel or you will need all of them on for the boiler to fire