Pump setting Grundfos Alpha2 15-60 130

[Talby]

Hi,

I have a Grundfos Alpha2 15-60 130 pump and I am not convinced it on the correct setting. I had a new additional radiator added recently and the setting on the pump was changed at the time. Since then the system has been noisier than it was before and I find I am having to bleed one of the radiators much more frequently. I know the setting was changed when I had the work done but don't know what setting it was on before.
On the pump from right to left the settings are III, II, I, Auto Adapt and then 4 graduating bars increasing in size from right to left. After the work was done it was left on the setting on the biggest of the bars furthest to the right. I had a look at a manual I found online which suggested the recommended setting was Auto Adapt. I changed it to Auto Adapt but this made things worse and the system was noisier than before.

Cheers

 

[Gasguru]

Try sticking it on II...many boilers out there won't work properly with the more eco settings.
What boiler is it..make and model.

 

[Talby]

Try sticking it on II...many boilers out there won't work properly with the more eco settings.
What boiler is it..make and model.

Hi, it is an Ideal Evo HE

 

[Gasguru]

The pump's the least of your worries...start saving for a boiler, biggest junk ever produced.

 

[ianmcd]

which Ideal Evo HE ? there are different models I am guessing you have an H and not a C

 

[Talby]

The pump's the least of your worries...start saving for a boiler, biggest junk ever produced.

You know, somehow I had a feeling you would come back with something like that.

 

[Gasguru]

Assuming it is indeed an Icos. Thorough servicing each year goes a long way for longevity though (apart from the hopeless pcbs)

 

[Talby]

Put it on II as suggested and things do seemed to have calmed down but still noisier than it was but noises more from boiler than pump. I notice too that there is a white dry residue down the side of the pump at the seam. The pump was only changed in 2017.