Osburn Matrix Inbuilt Installation and Operation Manual
APPENDIX 2: INSTALLING THE ADAPTER FOR FRESH AIR KIT (AC01298)
Note: Only remove the knock‐out that will be connected to the fresh air inlet.
To install a fresh air intake to the wood inbuilt, the purchase of accessory AC01298 adapter is
required.
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Using pliers, remove the rectangular
knock‐out plate (A) located on the left
or right side of the convection air jacket.
Choose the side that is best for your
installation.
Then, install the fresh air kit adapter (B)
using 4 screws (C). Secure the flexible
pipe (E) (part #AC02090 not supplied) to
the adapter (B) using one of the
adjustable pipe clamps (D). Secure the
other end of the pipe to the outside
wall termination (F) using the second
adjustable pipe clamp (D). The outside
wall termination (F) must be installed
outside of the building.