Learn more where to buy. The tado smart ac control replaces your existing remote control and connects to your wi fi without additional wiring.
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Tado wiring diagram combi boiler. If you want to control several devices with tado you need a tado smart air conditioning control for each device. Many combination boilers have an integral timer or programmer. B1 and bk2 is a switch that turns heat on or off for the radsusually there is a link in these two terminals and the boiler will fire upin the diagram it then shows a room stat as the switchi cannot help you further as i dont know what your connecting to bk2 using the black wire but as a guess it could be needed to move. I asked them whether that was a mistake but they said its okay. The red and blue wires arent properly in their terminals for a start. Basically configure your smart thermostat to d07 standard vaillant ebus on pages 17 to 19 attached pdf once you have the firmware updated to 646 on your extension kitthen connect vaillant bus and boiler side to the max 36v dc extension kit no need for 230v on extension kit and dont forget the link wire in 24v rt boiler side.
To be fair i am tempted to return the whole set. As you can imagine it was a right old job producing a diagram hence the much modified drawing you see above. Connect internet bridge to router 10 3. Then you boiler will become a smart as tado. We have put together a simple video which will showcase how to connect both worcester and third party controls with our greenstar gas boilers. The tado smart thermostat supports both 230v and extra low voltage interfaces.
Chapters 102 greenstar cdi classic combi system. One thing i noticed is that they asked me to connect wire a in my old receiver to terminal 1 and b to terminal 4 but in the instructions on the tado website the pdf guide for combi boilers suggests the opposite b to 1 and a to 4. Wiring smart thermostat combi boilers dry contacts 6 extension kit combi boilers dry contacts 7 extension kit s plan setups switched live 8 extension kit y plan setups switched live 9 2. The circulator pump for the central heating is normally an intergral part of the boiler so no additional wiring is required. Here is a diagram of how tado connects together with the central heating elements internally at 800mhz and to the. There are two main types 2 wire and 3 wire.
Pair extension kit with internet bridge 11 4. Contents optional accessory 5 1. The wiring diagram on the back of the device shows the wiring for the relay operation three isolated parking slots for excess wiring from the thermostat which is to be replaced and three low voltage terminals for analog and bus connection. Here are some photos of the wiring at each of the locations boiler controller and airing cupboard junction box. The choice will depend on the boiler.
Gallery of Tado Wiring Diagram Combi Boiler
