Supply Of Combustion Air - KAL-FIRE 45 Installation And User Manual

3.4

Supply of combustion air

The appliance must have enough outside air to ensure problem The appliance must have enough outside air to ensure problem
free ignition. If lower values are established based on the free ignition. If lower values are established based on the
calculated volume of combustion air, building in the appliance is
for the risk of the installer.
The Heat Pure has a built-in air supply valve; in normal situations no
extra air valve is required. In situations where the side gable is subjected extra air valve is required. In situations where the side gable is subjected
to frequent high winds or where there are large indoor/outdoor pressure to frequent high winds or where there are large indoor/outdoor pressure
differences, it is advisable to mount an extra air valve.
In that case the valve must be clearly marked to indicate the open and In that case the valve must be clearly marked to indicate the open and
closed position. Inform the users about the function and working of the closed position. Inform the users about the function and working of the
valve(s).
Some air valve manufacturers use plastic sleeves. Mount these Some air valve manufacturers use plastic sleeves. Mount these
outside the heat radiation range of the Heat Pure.
Ensure that the fresh air actually is outside air. For example, if Ensure that the fresh air actually is outside air. For example, if
the combustion air originates from a cellar, this cellar must the combustion air originates from a cellar, this cellar must
have sufficient air vents to ensure that any extracted air is have sufficient air vents to ensure that any extracted air is
replaced by fresh, outside air.
Ensure that the gratings are placed
blocked.
3.4.1 Fresh air connection base or rear
The standard for the Heat Pure, is that
the fresh air connection is situated on
the rear. This connection can be
relocated to the base.
Method
1. Demount the connecting collar at
the rear of the Heat Pure.
2. Demount the closing plate at the
base of the Heat Pure. Mount the
closing plate in the former position
of the connecting collar.
3. Mount the connecting collar on the
base of the Heat Pure in the former
position of the closing plate.
of combustion air, building in the appliance is
in air supply valve; in normal situations no
at radiation range of the Heat Pure.
14
3. Mounting and installation 3. Mounting and installation
so, that they cannot become that they cannot become