Boiler + Hive = Pulling hair

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Hi all,

Nice to meet you.

I’ve just bought a hive thermostat. Followed along and wired it in, it connects and when I press heat it turns the receiver green… the bad part is it doesn’t actually switch the boiler on?

It’s a vogue max combi 26.
It used to have a salus open therm which I have unplugged….

The copper showing has been sorted, rewired it after.

I have wired it up (attached some pics)

Wondering why it’s making the receiver and app act like it’s heating when the boiler is still just off?

Thanks,

James
 

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The receiver is a RXBC5V
And thermostat is RT510TX
As I thought.
When the Salus receiver was installed, a link plug was removed.
Screenshot_20241129_232949_Adobe Acrobat.jpg

If this is missing, the internal opentherm circuitry isn't completed and without that, a mains thermostat can't operate.
Try plugging the Salus receiver back in and turning the switch to manual...

Screenshot_20241129_233328_Adobe Acrobat.jpg
 
As I thought.
When the Salus receiver was installed, a link plug was removed.
View attachment 364612
If this is missing, the internal opentherm circuitry isn't completed and without that, a mains thermostat can't operate.
Try plugging the Salus receiver back in and turning the switch to manual...

View attachment 364613
You my friend are correct!

In manual mode it works. Can’t believe I’ve wasted hours and it was that simple.

I owe you a beer. Send me your details
 
Can’t believe it was that simple!
This is the problem (and I’m not having a go here) but you obviously thought it was easier than expected. I’m glad you sought advice on here and got it sorted, which is the reason for the site. The thing with your particular boiler, the cover looks like it forms part of the combustion circuit, which should be checked to ensure the safe functioning afterwards.
 
This is the problem (and I’m not having a go here) but you obviously thought it was easier than expected. I’m glad you sought advice on here and got it sorted, which is the reason for the site. The thing with your particular boiler, the cover looks like it forms part of the combustion circuit, which should be checked to ensure the safe functioning afterwards.
It’s a funny story actually, I asked my plumber to do it (he’s the one that installed it) and he said you must be joking why aren’t you doing it (I do electrical automotive work)

I asked about the room sealed boiler, and he said that the boiler is fine to have the front off and back on as long as you don’t fiddle about with anything todo with with the combustion side.

Thanks for looking out!
 

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