Altecnic and Grundfos circulator HELP!

[newbie999]

Hi - thanks for reading this.

I have a central heating system which was working fine until the fiddled. There's a lesson here: don't touch what you don't understand.

I have an Altecnic Robokit sealed system with a Grundfos 15-50 circulator. I twisted open what I guess is an air valve at the top of the Robokit unit while the circulator was running. Now I have no hot water running to rads. I think no water is going to circulator.

Have I bled air from the sealed unit?

Any ideas??

Thanks.

 

[Best]

If you opened the red valve on top of the red vessel, then you have taken the water pressure off your heating system. Top it up by opening the valves on the filling loop. Usually about 1bar on many systems
Probably just the 1/4 turn valve attached to the silver hose os where you need to turn on for a brief moment to bring the black needle back up to correct pressure

 

[Simon F]

the boiler will also possibly need to be reset.

 

[newbie999]

Thanks for the quick response - that worked! I won't be sleeping in cold house tonight! Very grateful.

 

[ShaunCorbs]

also the level valve about 1 foot above the pump wants opening as there is an auto air above it