Edwards TCU 40/80

4.5 Front panel
Figure 4 shows the Front Panel. Table 4, Table 5 and Table 6 identify its controls and indicators.
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Figure 4 - Front panel
Table 4 - Front panel controls
Control name
POWER ON
RESET
EMERGENCY OFF
START/STOP
ALARM
MUTE
Description
Lights green when power is being supplied to the TCU 40/80.
Resets alarms and makes the TCU 40/80 ready to operate. The white light
indicates that the TCU 40/80 is ready to operate.
Removes power from all TCU 40/80 circuits except the EMERGENCY
OFF circuit. To shut off power, push EMERGENCY OFF (EMO). To reset,
rotate the EMERGENCY OFF button clockwise as shown on the switch.
Starts and stops the operation of the TCU 40/80.
Emits a high pitched sound when there is a fault condition which has caused
the TCU 40/80 to stop operation.
Silences the audible alarm.
TCU 40/80 Temperature Control Unit
II