Bacharach NEW! Fyrite InTech Owner's Manual Page 46

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Operation Fyrite
InTech
Manual
40 0024-9486 Rev 2
Example 90% Efficiency
Condensing Furnace
Example 80% Efficiency
Fan Assist or Power
Vented Furnace
Example
Atmospheric/Gravity
Vented Boiler
Condensing furnaces/
boilers can be tested
through a hole drilled in
the plastic vent pipe
(when allowed by the
manufacturer
or local
authority of jurisdiction)
or taken from the exhaust
termination.
Combustion testing of fan
assist or power vented,
furnaces/boilers should
be done through a hole
drilled in the vent
immediately above the
inducer fan.
Boilers, which have a ‘bell’
shaped draft diverter on
top, should be tested
directly below the
diverter through a hole
drilled in the vent
connector.
IMPORTANT: Review manufacturer
recommendations for the
combustion device being tested, and be aware of accepted
practices of the local jurisdiction before introducing sampling holes
into exhaust pipes or ducts.
CAUTION: To avoid the introduction of dangerous exhaust gases
into the space, be sure to co
mpletely and securely seal any
sampling holes made in the exhaust pipes or ducts.
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