Installation | 5
M2050222_en | Installation instructions Lambdamat LM 1500 KOM
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5.6.11 Fitting the door contact switch
Before fitting the insulation panels, check that the tunnel door and the combustion
chamber door are tight as explained below.
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Open the door.
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Insert a sheet of paper at both the top and the bottom between the door and the boiler.
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Close the door.
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Try to pull out the sheet of paper.
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If the paper cannot be removed:
door is tightly sealed.
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If the paper can be removed:
door is not sealed – adjust the closing mechanism.
Adjusting the seal:
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Undo the lock nut (A).
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Adjust the closing force by turning the top nut (B).
The following steps explain how to fit the door switch to the top tunnel door; fit the fittings
to the bottom combustion chamber door in the same way.
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Fit the door frame (A).
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Undo the two screws on the door handle and remove the handle.
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Undo the cap nuts (B) on the four assembly screws.
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Insert the insulation sheet at the handles and fit with lock nuts.
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Secure the insulation sheet with cap nuts.
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Replace the door handle.
