De Dietrich MS 24 MI FF Notice D'installation, D'utilisation Et D'entretien page 80

16.4 DIMENSIONS OF SEPARATE OUTLETS
16.5 HORIZONTAL SEPARATE FLUE INSTALLATION EXAMPLES - C82
IMPORTANT -
Make sure there is a minimum downward slope towards the outside of 1 cm per metre of duct length.
In the event of installation of the condensate collection kit, the angle of the drain duct must be directed towards the boiler.
L max = 10 m (L1 + L2) max = 30 m
N.B.:
For the C52 type, do not fit the flue and air duct terminals on opposite walls of the building.
The inlet flue must have a maximum length of 10 metres for C52 fumes outlets.
If the discharge duct is longer than 6 metres, install the condensate collection kit, supplied as an accessory, near the boiler
IMPORTANT:
if fitting a single flue duct, make sure it is adequately insulated (e.g.: with glass wool) wherever the duct
passes through building walls. For detailed installation instructions, consult the technical data provided with the accessories.
INSTALLATION INSTRUCTIONS 71.03982.03 - EN
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