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How to dismount a Viessmann 7450156

Introduction

As with any electronic device, there may be times when it is necessary to remove the Duomatik Control Module to perform maintenance, repair, or to replace the whole module.

In this guide we will be showing you how to dismount the Viessmann Duomatik Control Module 7450156.

  1. How to dismount a Viessmann 7450156, Shut off the Boiler: step 1, image 1 of 2 How to dismount a Viessmann 7450156, Shut off the Boiler: step 1, image 2 of 2

    • Locate the shutoff switch of your boiler and press it.

    • The switch is usually positioned right next to the flame-resistant door leading to the boiler room and labeled as Boiler Emergency Shutoff.

    Edit

  2. How to dismount a Viessmann 7450156, Locate the HMI module: step 2, image 1 of 1

    • Locate the HMI module of the Duomatik, that you want to remove.

    Edit

  4. How to dismount a Viessmann 7450156, Loosen the HMI module: step 3, image 1 of 2 How to dismount a Viessmann 7450156, Loosen the HMI module: step 3, image 2 of 2
    Tool used on this step:
    Spudger
    $3.99
    Buy

    • Insert a flathead screwdriver or a Spudger into the small notch on top of the module to gently loosen it.

    Edit

  5. How to dismount a Viessmann 7450156, Remove the HMI module: step 4, image 1 of 2 How to dismount a Viessmann 7450156, Remove the HMI module: step 4, image 2 of 2

    • Pull out the module straight toward yourself.

    Edit
Conclusion

To reassemble your device, follow these instructions in reverse order.

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