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E. Primary Air
(Lower Air Control)
(Fig. 11.1)
The primary air is controlled by the lever on the left side of
the appliance. When the control arm is pushed in, less air
is allowed into the fi rebox below the fi re. When the control
arm is pulled out, maximum air is allowed in under the fi re.
This lever is to be used during start up and refueling. If
this air control remains open (pulled out) then you will have
reduced burn times or a potential to overheat the appliance.
F. Upper Air Control
(Fig. 11.1)
The upper air control is controlled by the lever on the right
side of the appliance. When the control arm is pushed
in, less air is allowed into the fi rebox through this system.
When the control arm is pulled out, maximum air is allowed
through the system. The function of this air control is to
regulate the burn rate of the fi re and provide air for the air
wash system to keep the front glass (also side glass for the
Curve 300 series) clean.
When the upper air control is closed and air is reduced
to the air wash system, the glass will soot up. This is
normal and to be expected. To help clean the glass off,
add additional fuel to the fi re, pull out the upper air control
and pull out the lower air control lever for 15-30 minutes
to establish a hot fi re. A hot fi re with the upper air control
open will aid in cleaning the glass.
Fig. 11.1: Air Control
7/8/2015
G. Secondary Air
This unit is equipped with a secondary combustion system
that cannot be regulated. The purpose of this secondary
system is to provide air that will mix with the combustion
gasses and burn them. This reduces the amount of debris
and gasses being let out into the environment ensuring a
clean burn.
H. Airwash System
An air wash system is built into the appliance and is
controlled by the upper air control on the right side of the
appliance. For models with three glass panes, each one
has a dedicated orifi ce for the airwash system. Even with
this air wash system, the glass panes will get dirty and
have build up. This is normal and can be cleaned using
a simple glass cleaner. Alternate glass cleaning products
specifi cally designed for cleaning glass panes on wood
burning stoves may be available from your dealer. Contact
them directly for product availability.
Heat & Glo • 7076-108C
Curve Series
Lower intake control
Upper intake control
11
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