Wolf COB Installation Instructions And Technical Manual page 52

Eccentric balanced flue
(examples) DN 80 and DN 110
Install the balanced flue distributor eccentrically (29) for
separate balanced flue on the oil condensing boiler.
Install the horizontal flue with approx. 3° fall (6 cm/m) towards
the boiler. Route the horizontal air supply with a 3° fall towards
the outside – install the air inlet with a cowl; permissible wind
pressure at the air inlet 90 Pa. The burner will not operate with
higher wind pressure.
Balanced flue routing, open flue B33 and B23
(examples) DN 80/125 and DN 110/160
1 Oil condensing boiler
2 Connection adaptor with test nipple
for air and flue gas (included in COB standard delivery)
4 Balanced flue
500 mm
1000 mm
2000 mm
5 Spacer clip (only if required)
10 Inspection tee 87°
16 Rose
22 Connection to
flue gas chimney B33
length 250 mm with air aperture
23 Support rail
24 87° support bend
25 Spacer
26 PP flue
500 mm
1000 mm
2000 mm
27 Cowl
29 Balanced flue distributor
80/80 mm
30 Air inlet pipe
31 87° bend
32 Tee 87° with
inspection aperture
33 PP outlet
52
31. Design information
16
approx.1500 mm
16 30 31 32
33
29
2
1
Secondary
ventilation
C53
4 5
10
2
1
Secondary
ventilation
B33
32
2
1
B23
27
33
26
26 16
24
23
27
33
26
22 16
25
24
23
27
33
26
26 16
25
24
23
Secondary
ventilation
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