6. Rotate high-limit control slowly counterclockwise until set point is
reached.
6a. For A-Class shakers high-limit light will illuminate when set point
is reached. Rotate high limit control clockwise until status lamp
goes out. Make an additional 1/8th turn clockwise beyond this
point.
6b. 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 clockwise approximately 1/8th turn
beyond this point.
7. When desired temperature is achieved, load the shaker.
Warning
Do not operate the unit if any of the temperature controls
become inoperative - a hazardous condition will develop which can result
in injury or death and property damage.
s
The high and low limit controls are located on the right rear side-panel of
the shaker cabinet. The high-limit light is located on the control panel.
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 stabilize before
setting the low-limit control.
MaxQ 5000 Shaker 5-9
Thermo Scientific
Section 5
Operation
Setting High Limit
Control (continued)
Setting Low Limit
Control, Refrigerated
Refrigeration switch
Right Side Panel - view from rear
High Limit Control
Low Limit Light
Low Limit Control
Figure 5-4.
Low Limit Controls
