Viessmann Vitodens 222-W B2LB User manual

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Installation Instructions Viessmann Vitodens 222-W B2LB + Vitotronic 200 HO2B
These are your installation instructions to connect your tado° Extension Kit to your boiler. Please follow the instructions                 
carefully and only confirm the successful installation once you have finished all steps for all devices.
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If you have any question regarding the use or installation of tado° please consult our Help Center at www.tado.com/support
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Version 4.3

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For support please visit: www.tado.com/support 
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Switching off your boiler and corresponding circuit breaker
Make sure that you take steps to ensure that the power          
supply to your boiler is completely switched off and        
remains switched off during the installation process. In       
addition it is compulsory to remove the breaker/fuse that        
your boiler is connected to, or turn of the corresponding         
switch in your circuit breaker box.
If you are not 100% sure which is the        
correct switch/breaker/fuse then you   
must remove all breakers/fuses or turn     
off the main power switch in your circuit       
breaker box.
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Please leave a message at the circuit breaker box such to          
inform everyone not to turn anything back on.
Please make sure that all residents of the       
home are aware that you are going to turn        
off and that you are the only one who is         
allowed to switch it on again.
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Please be aware that your desktop computer      
and lighting will turn off when you switch off        
the mains power circuit breaker switch.
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To provide safe lighting for the installation you       
can use the flashlight function of your      
smartphone or a torch.
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1

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For support please visit: www.tado.com/support 
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Open your boiler to get access to its control unit
Access the boiler control by opening the boiler. Since every boiler has a different opening method, take a look at our examples below to get an idea how your boiler can be                               
opened. All wiring connection terminals are found on the control unit. You will be looking for the place where lots of wires connect to the boiler. Look for the terminal where a room                                
thermostat can be connected. The installation manual of your boiler very often helps.
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2

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For support please visit: www.tado.com/support 
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Make sure the power is off
Use the voltage tester to check if there is still power on           
any wiring terminal.
If there is any light it means that there is still power on the             
wiring. Before continuing, switch off the circuit breaker.
If there is no light, power is off and it is safe to proceed.
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3

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For support please visit: www.tado.com/support 
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Documenting the wiring of the existing setup
As soon as you have removed the cover please take detailed photos of the existing wiring with the cables still attached. Try your best to make the terminal numbering legible.
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This step is very important, you will definitely       
need this information in the future. Should      
you need help, it will be difficult for our        
Technical Support Team to assist you     
without the photos of all of the current       
wiring.
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You will need these photos to restore      
your old system if you move house in       
order to take your tado° with you. Please       
save them in a place where you will find        
them again in this case.
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4

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For support please visit: www.tado.com/support 
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Identifying the terminal block to connect to
Please identify the terminal block labeled X14
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5

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For support please visit: www.tado.com/support 
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Connecting the tado° cable
Please take the cable provided with the tado° Extension Kit. Use the cable to connect              
your boiler with the tado° Extension Kit.
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Please connect the cable as follows to the boiler:
Connect the Blue wire to the terminal labelled 1.
Connect the Brown wire to the terminal labelled 2.
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Interface Activation
FInd the terminal block 96 . Make sure the bridge wire is present between L-1 .
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6

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For support please visit: www.tado.com/support 
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Preparing the labels
Using only a pen, add the wire colors to the labels as           
shown on the right.
Write into the blank areas of the labels as shown below.          
Please double check your work.
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Please attach the labels to the cables as shown in the          
image. Matching the cable colors with the colors written        
on the stickers is mandatory. Please double check your        
work now.
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Write “ Blue ” on the label - .
Write “ Brown ” on the label + .
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7

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For support please visit: www.tado.com/support 
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Leading the cable out and closing the boiler
Carefully thread the tado° cable out of you boiler. Please check that there are no sharp               
edges that could damage or trap the cable.
Carefully close the boiler and its control panel by reversing the sequence in which you              
opened it.
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8

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For support please visit: www.tado.com/support 
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Selecting the location for the tado° Extension Kit
The following steps describe how to mount the tado° Extension Kit on the wall.
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Please do not mount the tado° Extension Kit to the boiler itself.
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For support please visit: www.tado.com/support 
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Mounting the tado° Extension Kit - Step 1
Take scissors or a knife and remove one of the latches at the bottom of the tado°                
Extension Kit backplate along the predetermined breaking points.
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Remove one of the latches on the right side if you have labelled the cables             
with + , - or A otherwise remove one of the latches on the left side.
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10

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For support please visit: www.tado.com/support 
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Mounting the tado° Extension Kit - Step 2
Please prepare a power drill with a 5 mm drill bit.
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Use a spirit-level to align the tado° backplate horizontally        
on the wall.
Use a pencil to mark two holes at the place of your           
intended installation.
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Please ensure that the terminal block of the       
tado° Extension Kit should be on the top.
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11

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For support please visit: www.tado.com/support 
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Mounting the tado° Extension Kit - Step 3
Drill two holes with a diameter of 5 mm at the positions           
you previously marked.
Now push the rawplugs supplied into the holes you have         
drilled. Ensure the holes are deep enough so that the         
rawplugs do not protrude from the wall and therefore        
prevent the correct mounting of the tado° Extension Kit        
backplate.
Now use the screws supplied to attach the tado°        
backplate to the wall.
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12

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For support please visit: www.tado.com/support 
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Connecting the wires to the tado° Extension Kit
Please note that the wires are to be inserted between the two metal plates to ensure               
good connectivity. You might have to loosen some of the screws to properly fit in the               
wires.
Next, please connect the cables to the tado° Extension Kit. Please pay attention that             
the blue labels match the labeling of the terminals.
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13

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For support please visit: www.tado.com/support 
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Closing the tado° Extension Kit
Hook-up the lid to the upper edge of the housing box.
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Click the bottom of the lid into place until the lid retention           
mechanism locks.
Tighten the two small screws at the bottom of the         
Extension Kit.
Please note that the tado° Extension Kit has to        
be closely aligned to the wall to close properly.
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14

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For support please visit: www.tado.com/support 
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Switching the boiler and circuit breaker switch back on
You can now turn the power back on. Please reverse the steps that you took to turn the power to the boiler off.
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15

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For support please visit: www.tado.com/support 
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Activate Pairing of the Internet Bridge
Press pairing button until the LED blinks to activate pairing mode. Pairing allows            
other devices to connect to the Internet Bridge.
If the “pairing” LED is blinking, the pairing mode is already active and does not              
need to be activated again.
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In case you have a Bridge without pairing button, active pairing is indicated            
by a blinking “link” LED.
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To activate the pairing mode via the tado° app, select Devices in the main             
menu. Select your bridge from the appearing device list and tap afterwards           
on Activate Pairing.
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16

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For support please visit: www.tado.com/support 
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Establishing a first connection of the tado° Extension Kit
Please press and hold the button on top of the Extension Kit for around 3 seconds until it starts blinking rapidly . While the LED is blinking rapidly, the Extension Kit is looking for                                
a connection to the tado° Internet Bridge. Successful pairing is indicated by 4x flashing with a pause or a slowly pulsing LED.
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If the LED is shortly blinking 2x followed by a pause it means that pairing has failed.
Restart the process by pressing and holding the button for around 3 seconds until the LED starts blinking rapidly.
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17

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For support please visit: www.tado.com/support 
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Configuration of Vitotronic 200HO2B
Get access to Parameter level 2
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1. Click on “Menu”
2. Click on “Service”
3. Enter password “viservice“ .
4. Click on “System configuration“
5. Click on “Parameter level 2”
6. Enter password “viexpert“
7. Choose “ Heating circuit X ”, the circuit you would like tado° to
control
8. Change the values according to the table on the right.
Use the “ arrows ” to change the settings and confirm with “OK” .
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Parameter Beschreibung
Parameter
Value
Remote Detection
A0:
1
Room Temperature Hook-up
b0:
3
Room Influence Factor
b2:
20
Saving Function Room Temperature
b5:
5 
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If you want to control another heating circuit than heating
circuit 1 with tado° please contact our support and do not
start the configuration.
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The passwords above are standard passwords which can be
changed. If the passwords does not work and you have not
changed them yourself please contact the heating engineer
that performed the installation of your boiler.
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If parameter level 2 is not displayed, please contact our
customer support
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You have now successfully completed the installation of your tado° Extension Kit. Please log back into your account and continue with the installation as displayed there.
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18