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PostPosted: Thu Mar 08, 2018 7:03 pm 
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Hi

I have an Intergas HRE 24/28 & was looking to purchase a Nest 3 & I was looking for some advice please

From the reading I have done - I need to ensure there is power to L & N in the Heat Link & wire OT1 & OT2 in the Heat Link to X4 11 & 12 in the boiler - removing any other connections in X4 in the boiler.

I then set the nest to open therm in the settings

This seems fairly simple & I feel like I am missing something

Can anyone advise

Thanks for any help you can give

Many Thanks

Brett


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PostPosted: Thu Mar 08, 2018 7:07 pm 
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It depends how old the boiler is. You don't always remove all other connections on X4 - if it's an ERP model you could disconnect the power to the pump!!

Is the pump round or oblong?

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PostPosted: Thu Mar 08, 2018 7:08 pm 
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I was just about to say Razor will know for sure...

Too slow Wine~o

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PostPosted: Thu Mar 08, 2018 7:22 pm 
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Hi

thanks for the quick replies

the pump is round

In the X4 I have a link between 4 & 5 & connections to 6 & 7 for the old thermostat

thanks again

Brett


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PostPosted: Thu Mar 08, 2018 7:56 pm 
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Perfect!!

Leave the link between 4/5 on X4 and remove the old stat wires then proceed as you said in your first post :salute: :salute:

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donnas-dream-house-charity-t52110.html


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PostPosted: Thu Mar 08, 2018 11:07 pm 
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much obliged thank you for taking the time

Brett


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