Flue Options - Bosch Worcester GREENSTAR CDi Series Instruction Manual

Wall hung rsf gas-fired condensing combination boiler for sealed central heating systems and mains fed domestic hot water
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STANDARD FLUE HORIZONTAL
0100
MAX 686 mm Ax 1
MIN 250 mm Ax 1*
0125
MAX 1070 mm Ax 1
MIN 250 mm Ax 1*
* Requires cutting
MAXIMUM FLUE HORIZONTAL
0100- 10000 mm
Ax1+Bx10
0125- 23000 mm
Ax 1 + B x 23
- - - - - - - - ~
MAXIMUM FLUE VERTICAL START+ 1 BEND
0
c
0100- 10000 mm
Ax1+Cx1+Bx11
+
Fx
1
0125- 23000 mm
A
X
1
+
c
X
1
+
B
X
23
+
Fx 1
MAXIMUM FLUE HORIZONTAL+ 1 BEND
0
c
0100- 8000 mm
Ax1 + Bxg+Cx1
0125- 21000 mm
A
X
1 + B
X
21 +
c
X
1
MAXIMUM FLUE VERTICAL
START+ 2 BENDS
F
bi
0 ' ----, 1 ' lu :z?' A
B L__ _ _ _ ___..
co
0100-8000 mm
A
X
1 +
c
X
2 + B
X
10
+
Fx 1
0125- 21000 mm
A
X
1 +
c
X
2 + B
X
22
+
Fx
1
MAXIMUM FLUE VERTICAL
START+ 3 BENDS
F
B
c
0
0100-6000 mm
Ax1+Cx3
+Bxg+Fx1
0125- 1gooo mm
Ax1+Cx3
+ B
X
21 + F
X
1
MAXIMUM FLUE VERTICAL
WITH 2 X 45° BENDS
E
B
D
V
0100- g500 mm
(including terminal)
Bx10+Dx2+Ex1
0125- 21000 mm
(including terminal)
B
X
21 + D
X
2 + E
X
1
VERTICAL FLUE WITH
2 X goo BENDS
E
B
c
0
0100- 7500 mm
(including terminal)
Bxg+ Cx2 +Ex1
0125- 1gooo mm
(including terminal)
Bx20+ Cx2 +Ex1
6 720 611 927-08.1
0
~ O R C E S T E R
INSTALLATION & SERVICING INSTRUCTIONS FOR WORCESTER BOSCH GREENSTAR 25CDV30CDV37CDc!42CD•
Bosch Group
6 720 613 700a (2006/11)
FLUE OPTIONS 25CDi
The diagrams (opposite) show the compo-
nents used and the maximum flue length for
each configuration of 100 mm and
125 mm 0 flues.
Shaded flue components indicate the stan-
dard 100 mm 0 horizontal flue.
Only straight flue sections can be reduced
in length and cut.
The flue terminal end can be fitted from the
inside or outside of the building.
Fixing kits are supplied with the flue exten-
sion kits.
Horizontal125 mm 0 and Vertical100 mm
and 125 mm 0 flue kits are available with
separate instructions. Contact your supplier
or Worcester Bosch.
A
c
D
QH
ilb--l
0
v
B
ED
F
fd_
A- Standard horizontal flue (100 mm 0 shown)
B - Straight flue extension
C- Flue bend, goo
D - Flue bends, 45°
E - Vertical terminal (vertical adaptor supplied
with terminal)
F- Vertical adaptor (used with horizontal
terminal)
Calculating the flue length:
Measure the total flue length required, noting
that the maximum straight flue length including
the terminal is:
Horizontal 60/100 mm 0: 10000 mm
Horizontal80/125 mm 0: 23000 mm
Vertical60/100 mm 0: 11500 mm
Vertical 80/125 mm 0: 23000 mm
Then reduce the total straight flue length for
each extra flue bend (excluding the turret) by:
2000 mm for goo
1000 mm for 45°
Flue extension total lengths:
Horizontal & Vertical 60/100 mm 0: g5o mm
Horizontal & Vertical 80/125 mm 0: 1000 mm
Flue terminal total lengths:
Horizontal 60/100 mm 0: 800 mm
Horizontal80/125 mm 0: 1200 mm
Vertical60/100 mm 0: 1140 mm
Vertical 80/125 mm 0: 1365 mm
FLUE OPTIONS 25CDi

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