Balanced Flue Instructions

16
Installation Instructions
Site Requirements
2. Rear Flue
2.1 This flue extends horizontally from the back of the
appliance, see Diagram 2.
ALL MODELS (8526)
200mm min
550mm max
2
Terminal dimensions:
395 x 200 x 200 mm (H x W x D)
Guard supplied
Cut to length as required on site, see Diagram 2.
3. Top Exit Flues (Midi & Medium only)
There are two types of flue terminal: horizontal (Section 3B)
and vertical (Section 3D).
3A. Top Flue Up and Out Kit
3.1 This flue rises vertically from the top of the appliance, then
continues horizontally outward, see Diagrams 3 & 4 .
The basic kit comprises:
VISION MIDI BF (8523/8523AN)
1 x 500mm vertical length
1 x 500mm terminal length
1 x 90 degree elbow
1 x Wall plate
1 x 52mm restrictor
1 x 60mm restrictor
1 x 75mm restrictor
4 x Fixing screw
3
VISION MEDIUM BF (8509/ 8509AN)
1 x 500mm terminal length
1 x 200mm vertical length
1 x 90 degree elbow
1 x 500mm vertical length
1 x Wall plate
1 x 60mm retrictor
1 x 70mm restrictor
1 x 75mm restrictor
4 x Fixing screw
4
ALL MODELS
3.2 This kit provides the minimum materials. Extra lengths can
be added to the vertical and horizontal sections;
see Section 4.
3.3 Refer to Installation Instructions, Technical Specification on
page 12 to identify when to use a restrictor.
3B. For horizontal terminal
installations:
3.4 Decide on the terminal position.
3.5 Measure the height from the top of the appliance to the
centre of the required hole. For minimum and maximum
dimensions, see Diagram 3 & 4.
3.6 To fit the flue you must have access to the top or the side of
the appliance to connect the flue.
3.7 Assemble the vertical sections making sure the top plate
and flue collar are fitted before the fluepipe.
3.8 Add the 90° elbow.
3.9 Add the horizontal section and terminal. Only the
horizontal part can be reduced in size.
3.10 A masonry installation requires the addition of a suitable
lintel to support the opening. Refer to Installation
Instructions, Technical Information for details of the flue
length.