Viessmann VITODENS 200 WB2A, Installation & Servicing Instructions Manual

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Refer to Figure 4/H. Note that the flue can be installed prior to the boiler (if desired) because the
flue support bracket if used will hold the flue system in place. Install the flue system as follows:
Step 1: Push the adaptor into the top half of the spigot at the top of the boiler as shown.
Silicone grease may be used to assist with connection.
Step 2: Push the elbow firmly into the adaptor as illustrated.
Step 3: If applicable, push any extension ducts into the elbow.
Step 4: Push the outer sealing ring over the flue terminal (up to the locating ridge) and slide the
flue terminal assembly through the hole in the wall from outside the building.
(Alternatively this can be done from inside the room if no external access is available in
which case the outer seal is not used).
Step 5: Loosely push the inner sealing ring over the terminal assembly.
Step 6: Push the terminal assembly into the extension ducts (or elbow) and ensure that the
outer sealing ring (if fitted) is flush against the outside wall. The terminal must be the
correct way up with the holes in the air inlet duct at the bottom.
Step 7: Slide the inner wall seal against the wall face to hold the assembly in position and
provide an adequate seal.
4 Installation Procedure
4.8.1 Horizontal Flue Systems
4.8 Fitting the Flue System
Figure 4/H: Installing a horizontal flue system
WALL
Boiler
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