Heatmax Furnace Installation and Operation Manual
36
WARNING: SUFFICIENT COMBUSTION AIR MUST BE AVAILABLE AT ALL TIMES;
LACK OF COMBUSTION AIR CONSTITUTES A DANGER.
NOTE:
It is recommended to install an outside
air inlet with a diameter of at least 4
inches in the room where the heating
appliance is installed (see drawing next
page). It is preferable to choose a wall
which is not exposed to dominant winds,
depending on the conditions surrounding
your house.
AIR SUPPLY
INSULATED PIPE
EXTERIOR WALL
AIR INLET
6.6 Filter
Even though this furnace is not equipped with a filter, we strongly recommend the
installation of the optional filter kit, sold separately. See Appendix 2: Optional Filter
(AC01390).
N.B.: THE OWNER OF THE FURNACE IS RESPONSIBLE FOR THE ROOM’S AIR
QUALITY IN CASE OF NEGATIVE PRESSURE OR TEMPORARY NEGATIVE
PRESSURE.
