Shellab SCO10W-2 - Manual (Page 9)

9
CONTROL PANEL OVERVIEW
All controls are located on the front panel. Units with a detachable cord have a fused inlet located at the top
rear of the control panel. This inlet has a recessed male plug, fuse and an EMI filtering system designed to
filter out electrical interference. This inlet also prevents any internally generated interference from feeding out
to the power grid.
4.1 Power Switch: The I/O (ON/OFF) switch controls all of the power for the incubator and must be in the
I/ON position before any systems are operational. Both temperature and CO
2
displays will illuminate
when the power switch is in the ON position.
4.2 Water Low Light: This pilot lamp is on whenever the internal water jacket float switch has been
tripped to the closed position. When the water drops low enough the float switch closes the circuit
turning on the indicator light.
4.3 Over Temperature Light: This pilot lamp is on whenever the Over Temperature Safety thermostat
has been activated and taken control of the element. During normal operating conditions this indicator
should never be on.
4.4 Main Temperature Control: This controller is marked in C

and indicates the actual temperature
within the chamber to .1

C. The UP/DOWN buttons are used for imputing the set point, calibrating the
display, and muting or unmuting the audible alarm. The HIGH and LOW alarm indicators will light
whenever there is an alarm condition associated with the temperature within the chamber. The MUTE
indicator will light whenever the audible alarm has been deactivated. Some alarm conditions have a
delay programmed in.
4.5 Heating Light: This pilot lamp is on whenever the Temperature Controller is activating the heating
element.
4.6 C02 Control On Water Jacket Incubators: The control sets the rate and the limit of injection
of CO2 into the incubator based on input value and some variables. The input value is set by the
operator. This is set at 5% CO2 in production.
At start-up, the incubator must be warmed up to operating temperature. This is set in production at
37°C. During warm up, the water tray for humidity should be filled and placed inside. This allows
the humidity to reach 90-95% before CO2 is injected.
The CO2 should be turned OFF during warm up. Failure to do so will cause the control overshoot
the set value input by the operator, the injection value can be reset by setting the CO2 levels down
until CL shows on the display. Then resetting the CO2 control to the desired setting resets the
Section
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