Operation; Control Panel - Thermo Scientific TSG Series Installation And Operation Manual

Operation

Control Panel

Figure 5. Control Panel
1. Display: During normal operation, the display shows
cabinet temperature in degree Celsius as measured by
the primary sensor. When Alarm and Compressor are
active, the respective LED's will be displayed. Refer to the
table below for LED display symbols. A display code will
also be visible during the functioning based on the type of
alarm.
Note: "CFu" parameter under the display settings (diS) of
controller enables conversion to Fahrenheit or Celsius.
Access controller settings using password 990, refer Table 7.
Defrost LED Alarm LED
On Fixed: On Fixed:
Defrost Active Alarm Present
Off: Defrost Flashing: Alarm
Off Silenced
Off: No Alarm
General Purpose Freezers
Compressor LED
On Fixed:
Compressor Active
Flashing: Delay,
Protection or
Activation Blocked
Off: No Alarm
2. Defrost: This button is used to manually defrost the unit
as well as to go back from the parameter settings. During
defrost, controller will show "def" on the display.
3. SC: This button is used for selecting an option in
parameters.
4. Up: Scrolls the menu items and increases the values.
5. Down: Scrolls the menu items and decrease the values.
6. Power Fail LED: This LED indicates the power failure
situation in the unit.The flash light indicate power failure
situation.
7. Key Switch: Used to turn the power to the controller and
power failure alarm on and off.
Note: This is not a primary disconnect device. Please
remove the power cord to completely turn Off the unit.
8. Off: Turns the power to the controller off.
9. Power On: Turns On power to the controller and used as
to silence the power failure alarm.
10. All Alarm ON: Turns On the audible power fail alarm.
Operation | 13