Wolf CGB-75 Installation And Operating Instructions Manual page 54

Supplementary installation information
Flat roof: Affix the ceiling outlet approx. Ø 170 mm (8)
deep into the roof cover.
Pitched roof: At (7, 7a), observe the installation instructions
on the cowl regarding roof pitches.
Insert roof outlet (9) into the roof from above and secure
vertically with (6) to a rafter or brickwork.
Install the roof outlet only in its original condition.
Modifications are not permissible.
6
7
7a
8
If an inspection port is required for the balanced flue, insert
a balanced flue with inspection port (3) (allow a length of
200 mm).
To check the balanced flue, undo and remove the cover of
the inspection piece (3).
Inspection piece (3)
Notes:
Lubricate all balanced flue joints prior to installation, e.g. with a soapy solution, or coat lightly with suitable
grease (Part. No. 2651329).
54
28. Technical information
9
7
Install all horizontal balanced
flues with > 3° fall (6 cm/m)
towards the boiler. Any con-
densate must be returned to
the appliance.
Install the centring triangles
near the end of the pipe.
If required, a flue pipe expan-
sion piece in a duct from DN
110 to DN 160 can be fitted at
the support bend.
Determine distance A. Length of balanced flue (5) must
always be approx. 100 mm longer than distance A. Always
trim the flue on the smooth side, never on the female con-
nection side.
Chamfer the flue with a file after trimming.
180
Ø 160
Offset
Bend Offset
87° Min. 270 mm
45° Min. 106 mm
Distance A
Distance A
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