Boilermate 2000 - Hot Water but NO HEATING

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Boilermate 2000 - Hot Water but NO HEATING

Post  stevegledhill on Thu Nov 16, 2017 7:59 am

Hi
I have a BoilerMate 2000 and lots of hot water but NO HEATING.
There are three light on the circuit board and no errors on the display. The boiler is up at max. I can turn the wall mounted thermostat up all-the-way but nothing happens.
The pipe going into the heating pump is very hot and so is the pump but the out pipe is cold. I have removed the Grundfos pump front screw and checked that the pump is able to turn OK.
I suspect the pump or its thermostat might be defective but this is not my area.
Can someone shine a light on this?
Thanks.

stevegledhill

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Re: Boilermate 2000 - Hot Water but NO HEATING

Post  mike on Fri Nov 17, 2017 10:28 am

With heating on
Clock and room stat/
Remove middle pump BIG screw and gently put your finger / nail in there.

See if it is moving if it is it could still be pump problem (impeller)

Check pump valves are on

Check pump has a supply 230 ish volts

Mike

MGC/H2O
Norfolk

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Boilermate 2000 - Hot Water but NO HEATING

Post  stevegledhill on Fri Nov 17, 2017 10:47 am

Hi Mike

Thank you for your reply.

Does the middle Heating pump turn (come on) even when the Boilermate core temperature is cold or does it have to get to a "certain" temperature?

At the moment, the pipe going into the pump is very hot, the pump is very hot and the pipe out of the pump is cold. I will need to turn the system off to let it cool down before trying out your suggestion however I am more that happy to try.

Thanks.

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Re: Boilermate 2000 - Hot Water but NO HEATING

Post  mike on Fri Nov 17, 2017 11:03 am

Has to be 60c or above

Any lower the heating pump will not run

Gas boiler on MAX

If you don't you will USE more GAS

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Boilermate 2000 - Hot Water but NO HEATING

Post  stevegledhill on Fri Nov 17, 2017 11:33 am

Hi Mike

Can the pump front screw be opened safely whilst the Boilermate is at operating temperature?
Obviously I cant use my finger!

Thanks.

stevegledhill

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Re: Boilermate 2000 - Hot Water but NO HEATING

Post  mike on Fri Nov 17, 2017 11:35 am

Yes just be careful.
Hot water
Towel
Rubber gloves?
Mike

The wife might let you use hers!

mike

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Boilermate 2000 - Hot Water but NO HEATING

Post  stevegledhill on Mon Nov 20, 2017 9:02 am

Hi Mike

You are a genious!
The pump seemed to be moving freely when I moved it with a screwdriver but not with the water presure. After a few turns with the screwdriver it started to spin.
Thanks for your help. Its greatly appreciated.
Thanks.

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