Room Sealed Flue Options - Bosch Worcester Greenstar Danesmoor 12/18 Installation, Commissioning And Servicing Instruction Manual

4.8.2

Room sealed flue options

L = 140 - 335mm
L
A
L = 6000mm
A
6 x B
125mm Ø
L = 5000mm
L
A
C
5 x B
125mm Ø
L = 5000mm
L
A
D D
5 x B
125mm Ø
L = 5000mm
A
C
5 x B
125mm Ø
Fig. 21 Room seal ed flue options
Danesmoor Kitchen and Kitchen System 6 720 808218 (2013/10)
L = 5000mm
A
C C
5 x
B
125mm Ø
L
L = 8000mm
L
E
8 x B
125mm Ø
L = 7000mm
D
E
D
7 x B
125mm Ø
L = 7000mm
E
7 x B
125mm Ø
L
6720808218-93.1Wo
Figure 21 shows the components used and the maximum flue length (L)
for each flue configuration.
In all cases L is measured from the outside of the boiler casing.
• To achieve the maximum flue length (L), a flue section will have to be
L
reduced in length.
• Only the flue terminal or straight flue extensions can be reduced in
length by cutting.
• The flue terminal end can be fitted from the inside or outside of the
building.
All horizontal sections must rise away from the boiler by
52mm per metre (3°) to allow the condensate to drain
back to the boiler.
Calculating the flue length
Measure the total flue length required, noting that the maximum straight
flue length including the terminal is:
Horizontal 80/125mm Ø: 6000mm (excluding 120mm of terminal
extending outside the building)
Vertical 80/125mm Ø: 8000mm (measured from the boiler top panel).
Then reduce the total straight flue length for each extra flue bend
(excluding the vertical flue kit 90° elbow) by:
• 1000mm for 90°
• 500mm for 45°
Flue extension lengths
Horizontal & Vertical 80/125mm Ø: 1000mm overall length.
Effective length when engaged into sockets within the flue run is
950mm.
Flue terminal lengths
Horizontal 80/125mm Ø: 720mm
Vertical 80/125mm Ø: 1080mm + cage
L
* to outside wall.
L
Pre-Installation
19