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G
O
ENERAL
PERATION
Caution
If the power supply must be discon-
nected from the furnace at any time,
be sure the chamber temperature is
500°C or less before doing so.
Caution
To avoid electrical shock, this furnace
must have the door switch operating
properly.
12
them in a manner which causes release of dust or fibers.
By using proper handling procedures and protective
equipment you can work safely with these insulating
materials and minimize any exposure. Refer to the appro-
priate Material Safety Data Sheets (MSDS) for informa-
tion regarding proper handling and recommended protec-
tive equipment. For additional MSDS copies, or additional
information concerning the handling of refractory ceramic
products, please contact the Customer Service
Department at Barnstead International at 1-800-553-0039.
Power Switch
Switch power switch to the "I" position. The switch will illu-
minate when power is on.
Fan
The fan located in the rear of the control section will run
continuously as long as power is supplied to the furnace,
even when the furnace power switch is OFF. This serves
to remove residual heat after the furnace is turned OFF
so the heat does not cause damage to sensitive electron-
ic components.
Cycle Indicator
The amber cycle light will illuminate whenever the power
is being applied to the elements.
Door Safety Switch
The door safety switch removes power from the heating
elements when the door is opened. Open and close door
a few times, note that the amber cycle light will go out
while the door is open. If this condition is not true, con-
sult the troubleshooting section before proceeding.
Digital Readout
The Digital Readout continuously displays the chamber
temperature.
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