Installation manual
15
5.4
Exhaust duct
• Only rigid or flexible metal duct should be used for exhausting.
• Plastic ducting is not to be used.
• Recommended material for exhaust is galvanized steel.
• The duct is not to be assembled with screws or other fastening means that extend into the duct and catch lint.
• The exhaust air should not be vented into a wall, a ceiling, or a concealed space of building.
• The exhaust duct must lead clear of the building as condensation may cause frost damage to the building.
• The exhaust duct must lead to the outdoors.
• The exhaust duct must be placed in such a way that it is protected on the outside.
• The exhaust duct must be smooth on the inside (low air resistance).
• The exhaust duct must have gentle bends.
