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How to open a Viessmann 7450156

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    1. How to open a Viessmann 7450156, Remove the back: step 1, image 1 of 3 How to open a Viessmann 7450156, Remove the back: step 1, image 2 of 3 How to open a Viessmann 7450156, Remove the back: step 1, image 3 of 3
      Tool used on this step:
      Spudger
      $3.99
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      • Place the module on its front.

      • The back of the module is held in by four clips. Use Spudgers to hold the clips open while you remove the back.

      • You might meet a bit of resistance from the little red connector holding the two PCBs inside together.

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Conclusion

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

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