Wolf COB Installation Instructions And Technical Manual page 53

Supplementary installation instructions for balanced flue DN 80/125
Flat roof: Affix the ceiling outlet approx. Ø 130 mm (14) in the roof
cover.
Pitched roof: At (12), observe the installation instructions on the
cowl regarding roof pitches.
Insert the roof outlet (7) from above through the roof and secure
vertically with (6) to a rafter or brickwork.
Install the roof outlet only in its original condition. Modifications
are not permissible.
If an inspection aperture is required for the balanced flue, insert a
balanced flue with inspection aperture (3) (250 mm long).
Fit connection adaptor with test nipple (2) to the oil condensing
boiler connection.
Separate the flue via a slide coupling (8)
For inspection purposes, undo and move the inspection piece clamp.
Undo and remove the inspection pipe cover.
Connection adaptor Slide coupling
with test nipple (2) (isolating appliance) (8)
Wet or lubricate all air/flue gas joints prior to installation, e.g. using a grease without silicone.
NB
3062547_201507
31. Design information
7
Inspection piece (3)
During installation, slide the separator (8) fully into the coupling.
Push the next balanced flue (4) 50 mm (dim. "S") into the coupling
of the separator, and secure in this location, e.g. with pipe clips
DN 125 (5) or a fixing screw on the air side.
4
5
8
4
Distance A
11
Distance A
10
Determine distance A. Length of balanced flue (4) always approx.
100 mm longer than distance A. Always trim the flue on the smooth
side, never on the coupling side.
Chamfer the flue after trimming.
S
S
Offset
Bends Offset
87° min. 204 mm
45° min. 93 mm
4 11
4 11
53