Wolf COB - Page 50

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ConcentricbalancedueC33x,C83x,C93xandueonanexternalwallC53x
(examples)DN80/125andDN110/160
1 Oil condensing boiler
2 Connection adaptor with test
nipple for air and ue gas
(included in COB standard
delivery)
 4 Balancedue
500 mm
1000 mm
2000 mm
5 Spacer clip
 7 Balancedue,vertical
(roof outlet for
at or pitched roofs)
8 Separator
(slide coupling), if required
10 Inspection tee 87°
11 87° bend
16 Rose
17 External wall connection
with smooth ends on
both sides of the air pipe
 18Airinlet,externalwall
19Balancedue,externalwall
20Walloutlet,externalwall
21 Twin coupling
23 Support rail
24 Support bend 87°
25 Spacer
26PPue
500 mm
1000 mm
2000 mm
27 Cowl
28 Air pipe
29 Air inlet pipe
33 PP outlet
Install the horizontal ue 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 wind
protection; permissible wind pressure at the air inlet 90 Pa. The burner will not operate
with higher wind pressure. In a duct, after the support bend (24), a rigid or exible ue
in DN80 can be connected.
Flue on an external wall
C53x C33x, C93x
C83x
31. Design information
approx.1500 mm