Rinnai Advance Operation And Installation Manual page 20

Flueing - Existing Fireplace
Check
Refer page 17 and if necessary bring
Dimensions of
them to the required dimensions.
Opening
Also check chimney height as
inadequate height can effect product
performance. Some installations may
require the chimney height to be
extended to reduce down drafts.
Check Flueway
Ensure there are no obstructions.
Provide a firm, flat and sealed base.
Sealed means no holes or openings in
the fireplace. If heater is not properly
supported noise and vibration may
result.
Install Flexiliner
Ensure a minimum vertical rise of
Flue System
1.2m before any change of direction.
Avoid sharp bends as this will restrict
the chimneys ability to draw.
Installation without a flexiliner flue is
permissible as long as the chimney
has been checked for soundness and
ability to achieve a good draw. Some
criteria for checking soundness is
listed below.
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Rinnai New Zealand
All loose/broken bricks must be
replaced or repaired ensuring the
chimney is of sound construction
and does not leak
Chimney must be swept clean and
free from soot and creosote that
may have built up if previously
used for a solid fuel fire
Any damper plate must be fixed in the open position or removed
Any under-floor air supply to the fireplace must be completely sealed
off to prevent secondary air draw
An approved chimney cap and cowl must be installed. If there is an
existing cap it must be free of defects/deterioration and repaired/
replaced
Chimney Cowl
20
Chimney
Plate
Flexible
Chimney
Liner
Flue and
Appliance
Adaptor
Reflection
Fire
Reflection: 03-08