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O
PERATION
Warning
Do not operate the unit if any of the
temperature controls become inop-
erative. A hazardous condition will
develop which can result in injury or
death and property damage.
26
•
For E-Class shakers, when set point is reached, high-
limit status lamp will flash and the audible alarm will
beep once. Rotate the high-limit control slowly clock-
wise approximately 1/8 of a turn beyond this point.
7.
When desired temperature is achieved, load the shak-
er.
Setting Low-Limit Control, Refrigerated Units
The high and low limit controls are located on the right front
side panel of the shaker cabinet. The high-limit light is located
on the control panel. The low-limit control and low limit light are
available only on units supplied with optional refrigeration sys-
tem.
1.
Turn ON refrigeration switch located to the left of the
defrost timer on the right rear of the shaker cabinet.
2.
Rotate low-limit control fully counterclockwise.
3.
Set chamber temperature.
4.
Allow sufficient time for chamber temperature to stabi-
lize before setting the low-limit control.
5.
Rotate low-limit control slowly clockwise. When the
set point is reached, low-limit status lamp will illumi-
nate. Rotate the low-limit control slowly counterclock-
wise until the low-limit status lamp goes out.
6.
Continue rotating the low-limit control about 5 degrees
of rotation to set it about 1°C to 3°C below the set
point, the low-limit status lamp will extinguish and the
temperature control status lamp stays lit.
7.
When desired temperature is achieved, load the shak-
er.
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