Orton Sentry 2.0 Operating Instructions Manual page 4

Safety
The warranty on your Sentry controller does not cover
damage from overfiring, regardless of the circumstances.
It is the operator's responsibility to make sure the kiln
turns off at the end of the firing.
Follow these safety rules in addition to the ones in your
kiln or furnace manual:
When the kiln is not in
use, disconnect the power
and keep the lid or door
closed. (For larger kilns
with heavy cordsets, we
recommend a power
disconnect box near the
kiln.)
Do not leave the kiln unattended, especially
near the expected shut-off time. Do not leave a
kiln turned on at your studio while you are at
home sleeping.
Wear firing safety glasses when looking into the
peephole of a hot kiln.
Do not touch hot sides of kiln or furnace. Keep
unsupervised children away.
Install your kiln or furnace at least 12 inches
from any wall or combustible surface. (See
manufacturer's recommendation for your
model.)
Do not open lid or door until kiln or furnace has
cooled and all switches are off.
Fire only in a well-ventilated, covered and pro-
tected area away from flammable materials.
Keep cordset away from hot sides of kiln or fur-
nace.
DANGEROUS VOLTAGE! Do not touch heat-
ing elements with anything. Disconnect kiln or
furnace before servicing.
Do not operate if the controller itself is hotter
than 158°F / 70°C. (See instructions on page 18
for checking circuit board temperature.) Never
allow the firing room temperature to exceed
110°F / 43°C. (Measure room temperature
three feet from the kiln.)
Stop a firing by pressing the STOP button, not
by disconnecting the power. In certain condi-
tions, the controller will interpret a power inter-
4
Ramp-Hold
ruption as a power failure and turn the kiln back
on when you reconnect the power.
Place the kiln on the stand recommended by the
manufacturer. When a kiln is safety tested by
UL, the lab fires the kiln on the stand designed
for the kiln. Cinder blocks or bricks can inhibit
the flow of air under the kiln. They can also
change the kiln's heating characteristics.
Place the kiln on a non-combustible surface.
Keep the kiln lid or door closed when the kiln is
not in use. This keeps dust out of the kiln. Also,
should someone turn on the kiln while you are
away, the closed lid will keep the heat safely in-
side the firing chamber.
Never place anything on the kiln lid, even when
the kiln is idle. If people become accustomed to
placing papers and other objects on the kiln,
they may forget and do that while the kiln is fir-
ing.
Remove all tripping hazards from around the
kiln. Keep the kiln's supply cord out of traffic ar-
eas.
Avoid using extension cords.
Never fire tempered glass inside a kiln. It could
explode.
Greenware, which is unfired clay, must be bone
dry before firing. Moist greenware can explode
inside the kiln, damaging the ware and the kiln.
Place a piece of greenware against the inside of
your wrist. If it feels cool, it is too wet to fire.
Store kiln shelves in a dry area. Moist shelves
can explode inside a kiln.
If you smell burn-
ing plastic, turn
the kiln off. Exam-
ine the wall outlet
and supply cord for
signs of burning.
Never place extra
insulation around
the kiln in an attempt to conserve energy. The
extra insulation can cause the wiring and the
steel case to over-heat.