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Hi all
I have a Worcester Bosch Greenstar Ri boiler.
When the boiler switches off, the central heating pump switches off at the same time and the boiler makes a grumbling chuntering sound for a few minutes. I believe this maybe due to the fact that the pump is not running for another 3 minutes to dissipate the heat as it says it should do in the boiler installation and maintenance instructions.
I suspected this might be due to some incorrect wiring so I've had a look at the wiring centre and have drawn a diagram of the connections.
But as far as I can see, everything is correctly wired.
The live pump and neutral pump wires appear to be connected properly to the boiler.
So I'm a bit baffled as to why the pump switches off when the boiler does.
If anybody can see a problem or has any other advice I'd be very grateful to hear it.
Thanks a lot!
I have a Worcester Bosch Greenstar Ri boiler.
When the boiler switches off, the central heating pump switches off at the same time and the boiler makes a grumbling chuntering sound for a few minutes. I believe this maybe due to the fact that the pump is not running for another 3 minutes to dissipate the heat as it says it should do in the boiler installation and maintenance instructions.
I suspected this might be due to some incorrect wiring so I've had a look at the wiring centre and have drawn a diagram of the connections.
But as far as I can see, everything is correctly wired.
The live pump and neutral pump wires appear to be connected properly to the boiler.
So I'm a bit baffled as to why the pump switches off when the boiler does.
If anybody can see a problem or has any other advice I'd be very grateful to hear it.
Thanks a lot!
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