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Flue Pipe Installation - Andrews FASTflo WH42 Installation Manual, Operation And Maintenance Manual

Continuous flow wall hung balanced flue heaters for natural gas and lpg.
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8.

Flue Pipe Installation

Flue Terminal Installation
• Follow the installation instructions included with the flue terminal and which are reproduced at the end
of this manual. This appliance must be the flue through the wall, not vertically to the roof.
Flue Terminal Installation Precautions
Note the following flue terminal installation requirements
• Do not install the flue terminal indoors
• Install with the proper length protruding through the wall (FF-100A only)
Proper installation. The
red line can be seen,but
the red rectangle cannot
be seen from the outside.
• Avoid installing the terminal where obstacles will block it
Flue Terminal
Snow
drift
• In the case the discharge direction of the exhaust
is to the side as shown in the diagram below, do
not select the supply/exhaust tube top. Incomplete
combustion caused by short cycling of exhaust
gas may occur as a result.
(except terminal guard.)
Page 9
• Install the flue terminal with a downward slope
downward
slope
not far
too far
enough
Flue Terminal
Snow
drift
(Internal Installation Only)
upward
slope
• Avoid storing hazardous
objects near the terminal
Petrol
Flue Terminal
Tree
• Clearance from the flue terminal.
If multiple units are installed,
terminals must be separated by
300mm or more in a plain view
regardless of the vertical clearance.
300mm or more
Flue Terminal
Flue Terminal
1500mm or more
(terminal above
a terminal.)
05.9.28, 1:31 PM
Gas
300mm or
more
9

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