Wolf CGB-2 Series Installation Instructions For Contractors page 84

Eccentric balanced flue
1 Gas condensing boiler
2 Adaptor DN60/100
to DN80/125
16 Pipe collar
22 Support rail
23 Support bend 87° DN80
24 Spacer
25 PP flue pipe DN80
26 Duct cover with
UV resistant terminal
31 Balanced flue distributor
80/80 mm
32 Air inlet pipe Ø 125 mm
33 Bend 90° DN80
34 87° tee with
inspection port DN80
35 Flue pipe DN80
500 mm
1000 mm
2000 mm
84
37. Technical information, air/flue gas
routing
Install eccentric balanced flue distributor 80/80 mm (31) for separate air supply/flue gas
routing downstream of connection adaptor DN80/125 (2) with a test connector.
When connecting a balanced flue certified acc. to Building Regulations, observe the
permit of the relevant body.
Install the horizontal flue pipe with a slope of approx. 3° (6 cm/m) towards the boiler.
Route the horizontal air supply with a 3° slope towards the outside – fit the air inlet with
a wind protector; permissible wind pressure at the air inlet 90 Pa. The burner will not
start if the wind pressure is higher.
16 16
Maintain the following clearance between the internal duct wall and
the flue:
32 33 34
31
2
1
C53
for round ducts:
for square ducts:
34
2
1
C53
25 16
Secondary
ventilation
3 cm
2 cm
25 16
Secondary
ventilation
3064810_201804
26
25
23
22
26
25
24
23
22