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AERATION PLATES
The SS850 comes with two aeration plates that are factory fitted, in a position for flues
between 3-5.5 m, refer image below. There are a further two aeration plates supplied in the
accessory pack (for flues 5.6-8 m).
To control flame lift and efficiency on long flues (anything over 3 m) it's important the aeration
plates are configured correctly. Refer chart below.
To maintain balance within the combustion chamber, it is important to fit the plates equally
to both sides. The chart below shows the plates required for any given flue length. Fitting
more plates than shown may have a detrimental effect on startup performance, especially
in very cold areas.
If the flue length is less than 3 m the factory fitted aeration plates need to be removed.
Vertical flue height
Action required
Rinnai
Aeration plates: Fit same plate
configuration to both sides of the
fire
A
< 3 m
Remove factory fitted
aeration plates
3 - 5.5 m
No action required
23
INSTALLATION
Aeration plates
5.6-8 m
Fit additional plates supplied
in accessory pack
SS850 IM
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