11
Operation, All Models
Warning
To avoid personal injury do not use in the
presence of flammable or combustible
chemicals; fire or explosion may result.
This device contains components which
may ignite such materials.
Hot Surface
Caution: Avoid Contact. To avoid
burns, this furnace must not be
touched on the exterior or interior sur-
faces during use or for a period of time
after use.
Warning
Always wear safety glasses or a safety
shield and high temperature gloves
when loading or unloading the furnace.
Long sleeved, fire retardant clothing and
a fire retardant apron is also
recommended.
Power Switch
Both the ON/OFF power switch and the digital display will
illuminate when power is switched ON. The furnace will
begin to heat to the controller
‟s current setpoint. (See the
instructions for your type of controller for information on
checking and setting the setpoint).
Cycle Light
The amber cycle light will illuminate whenever the power
is being applied to the heating elements. The cycle light
will flicker on/off as furnace reaches setpoint.
Door Safety Switches
The door safety switches remove power from the heating
elements when the door is opened. Open and close the
door a few times; note that the amber CYCLE light will be
out when door is open. This check must be done when
furnace is heating or when cycle light is illuminated. If this
condition is not true, consult the Troubleshooting section
before proceeding.
Digital Readout
The digital readout continuously displays chamber
temperature.
Warning
To avoid electric shock, the door safety
switch must be operating properly.
