MCZ Star Air Manuel De Fonctionnement Et D'entretien page 21

Installing into an existing fireplace chimney (method #5)
3.4.2.5.
This method provides excellent venting for normal operation. This
method also provides natural draft in the event of a power failure.
Some places in the US and Canada, it is required that the vent pipe
extend all the way to the top of the chimney. In this method a cap
should also be installed on the chimney to keep out rain. Be sure to use
ap-proved pellet vent pipe fittings. Seal pipe joints with silicone in
addition to the sealing method used by the manufacturer. Pipe size
should be increased to 4" using this method.
Installing into an existing chimney (method #6)
3.4.2.6.
This method provides excellent venting for normal operation.
method also provides natural draft in the event of a power failure.
Some places in the US and Canada, it is required that the vent pipe
extend all the way to the top of the chimney. The pipe or liner inside
the chimney should be 4" diameter and approved for pellet venting.In
this method a cap should also be installed on the chimney to keep out
rain.
Installation and fitting
PELLET STOVES
INSTALLATION AND USE MANUAL
This
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Chapter 3
21
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