Installation; Preparing The Chimney Opening - Worcester Greenstar Oilfit Flexi CF Flue Installation Instructions Manual

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Installation

4
Installation
NOTICE:
Flue components
▶ All seals must be greased with the silicone grease provided before assembly.
▶ Any damaged flue components must be replaced, repairs are not allowed.
4.1

Preparing the chimney opening

1. Refer to the CF vertical flue kit instructions to assemble the suitable
adapters onto the boiler flue outlet.
2. Make a suitable entry into the chimney above the boiler, large enough
to install the flue and allow access to the joints for servicing.
3. Assemble the first stainless steel flue section [2] to the flue adapter
[1].
4. Mark the position of the support brackets [3] for the first flue section
[2] on the chimney wall.
Drill the chimney wall and fit the support bracket [3] using the wall
plug and screw provided.
On some installations it will be necessary to shorten the bracket
mounting screw [5]
5. Grease the seals of the second stainless steel flue section [2] and two
135° flue bends and assemble onto the first flue section as shown in
figure 12.
6. Mark the position of the support bracket [3] for the 135° flue bend
[4] inside the chimney.
Drill the chimney and fit the support bracket [3] using the wall plug
and screw provided.
7. Fit the stainless steel flue sections and clamp with the support
brackets.
10
1.
5.
5.
4.
7.
3
3.
2
2.
1
Fig. 12 Prepare the chimney opening
[1]
Flue adapter
[2]
Flue section
[3]
Support bracket
[4]
135° Flue bend
[5]
Shorten this end only
Greenstar Oilfit Flexi CF Flue – 6720807911 2019/05
4.
4
5.
7.
4
2
5

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