Connection Of The Combustion Gas Exhaust Pipe; Connection Of The Air Intake Pipe - DeDietrich C 330 ECO Installation, User And Service Manual

4. Installation
36
4 The combusted gas discharge pipe must be sufficiently inclined
towards the boiler (at least 50 mm per metre) and an adequate
condensate collection tank and discharge system constructed (at
least 1 m before the boiler opening). The elbows fitted must be at
more than 90° to guarantee the provision of an adequate gradient
and tightness on the lip rings.
4.6.5. Connection of the combustion gas exhaust
pipe
The boiler is equipped with a mechanical flue gas non-return valve as
standard. This prevents flue gas travelling back up into the boiler
when it is not in operation. (E.g. for cascade systems).
Mounting
1. Fit the combustion product discharge conduit.
2. Fit together the combustion gas exhaust pipes, without welding.
The pipes must allow no leakage of flue gases and be
4
resistant to corrosion.
Connect the pipes together without stress between
4
the sections.
Maximum bracket distance from vertical pipes is 2 m.
4
Maximum tilt of vertical pipes is 20 mm/m.
4
The pipes must not rest on the boiler or flue gas
4
adapter.
The horizontal sections need to be constructed with a
4
gradient of 50 mm per metre: Boiler orientation.
Use a bracket at each connection from horizontal
4
pipes.
4.6.6.

Connection of the air intake pipe

Mounting
1. Fit the air-intake conduit.
2. Fit the air-intake conduits together without welding.
The pipes must be airtight and corrosion-resistant.
4
Connect the pipes together without stress between
4
the sections.
Maximum bracket distance from vertical pipes is 2 m.
4
Maximum tilt of vertical pipes is 20 mm/m.
4
The pipes must not rest on the boiler or air supply
4
adapter.
The horizontal sections need to be constructed with a
4
gradient: Downwards in the direction of the supply
opening.
Use a bracket at each connection from horizontal
4
pipes.
C 330 ECO - C 630 ECO
31/05/2012 - 7600532-01