Setting Low Limit Control, Refrigerated - Thermo Scientific MaxQ 5000 Operating Manual And Parts List

Setting High Limit
Control (continued)
Setting Low Limit
Control, Refrigerated
Thermo Scientific
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.
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.
Figure 5-4. Low Limit Controls
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.
s
Refrigeration switch
Right Side Panel - view from rear
High Limit Control
Low Limit Light
Low Limit Control
MaxQ 5000 Shaker
Section 5
Operation
5-9