Netatmo thermostat & atlantic prefinox condens duo 5024

You need some help attaching the thermostat to your specific boiler. This way please !
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MikkoK
Posts: 2
Joined: 09 Dec 2020, 11:38

Netatmo thermostat & atlantic prefinox condens duo 5024

Post by MikkoK »

Do I connect 230v to boiler power supply and Black and Grey wires where?

I am connecting first thermostat to boiler(WiFi). It has only outside temperature sensor now.
GEORGzer
Posts: 2663
Joined: 14 Jan 2014, 18:14

Re: Netatmo thermostat & atlantic prefinox condens duo 5024

Post by GEORGzer »

The Netatmo Relais black and grey wires have to be connected to the "H4" terminals according to manual.

Screenshot 2020-12-09 at 12.47.40.png
Screenshot 2020-12-09 at 12.47.40.png (136.28 KiB) Viewed 2171 times

It also says:
Room thermostat * (TA)
In the case of a room thermostat with programming clock, set the boiler to permanent "comfort" mode.

* Not recommended with direct underfloor heating
Home: Weather Station (V3 + Rain & Wind Gauge, 3 additional Indoor Modules, Shield), Valves Starter Pack + 7 Valves, Video Doorbell
Office: Thermostat (V2), Healthy Home Coach, Smoke Alarm, 2 2in1 Sensors

Not a Netatmo employee
MikkoK
Posts: 2
Joined: 09 Dec 2020, 11:38

Re: Netatmo thermostat & atlantic prefinox condens duo 5024

Post by MikkoK »

Hello again! Now I have connected the relay to boiler. Does it work properly when it stops the water pump when thermostat reaches target temperature? It doesn't chance the water temp?

Is It bad for the pipes/radiators to stop the pump several times/Day. Water gets cold and they bang when the pump starts again.
GEORGzer
Posts: 2663
Joined: 14 Jan 2014, 18:14

Re: Netatmo thermostat & atlantic prefinox condens duo 5024

Post by GEORGzer »

Did you connect the Thermostat to the H4 terminals like I described above?
If so, your boiler shouldn't get damaged at all since this is the proper way.
Home: Weather Station (V3 + Rain & Wind Gauge, 3 additional Indoor Modules, Shield), Valves Starter Pack + 7 Valves, Video Doorbell
Office: Thermostat (V2), Healthy Home Coach, Smoke Alarm, 2 2in1 Sensors

Not a Netatmo employee
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