Webasto Air Top 2000ST Installation Instructions Manual page 10

Always assemble wall ducts with seals.
5.3 Exhaust pipe
5.3.1 Exhaust pipe
Use 2-layer stainless steel flexible exhaust pipe.
•
Keep the exhaust pipe as short as possible (maximum exhaust pipe length: see device-specific
installation instructions).
•
Route the exhaust pipe as straight as possible (permissible number of bends, smallest
permissible curve radius: see device-specific installation instructions).
•
No contact with temperature-sensitive objects such as electrical cables, water pipes, plastic
parts, sails or boat hull.
•
Minimum wall distance: ≥ 20 mm.
•
Minimum pipe diameters; see device-specific installation instructions.
5.3.2 Exhaust gas pipes in personnel accommodation
WARNING! Avoid installing the heater and exhaust pipes in personnel accommodation
if possible. (Danger of suffocation if routing is inappropriate)
•
If unavoidable: use rigid stainless steel pipes with a wall thickness ≥ 1mm.
•
Replace pipes with new ones after ≤ 10 years.
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Make the joints especially precise and gas tight.
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Use high temperature resistant sealing compound.
5.4 Exhaust pipe connections
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When routing the exhaust pipes, pay attention: all connections must be sealed.
•
Use only Webasto
•
Permitted hose clamps for exhaust pipe mounting
10
Marine heating system Installation Instructions
®
approved hose connections. No hose clamps.
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®