Control Panel Keys, Displays And Indicators - Thermo Scientific 722 Operating And Maintenance Manual

Forma -40c lab freezer
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Model 700 Series -40C ____________________________________________________________Installation and Start-Up
Battery power
switch
Thermocouple
receptacle
Battery mounting
bracket

1.2 Control Panel Keys, Displays and Indicators

(See Figure 1-6)
1. Temperature Display - Displays temperature in degrees
Celsius.
2. Mode Select Switch - Used to select Run, Set
Temperature, Set High Alarm, Set Low Alarm, Calibrate,
Backup.
3. Alarm Indicator - Light pulses on/off during an alarm
condition of the cabinet.
O
Freezer battery
and optional BUS battery
To
remove filter
Figure 1-5
Battery(s) location and Switch
Figure 1-6, Control Panel
4. Silence - Silences the audible alarm.
5. Alarm Panel - indicates the current alarm condition.
6. Up and Down Arrows - Increases or decreases values,
toggles between choices.
7. Enter - Stores the value into memory.
1 - 2
Figure 1-5
Battery mounting bracket(s)
Battery power switch (freezer and BUS)
Freezer battery
Optional BUS battery
Freezer filter location

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