AEC TCU Series Open Reservoir Water Temperature Control Units - Manual (Page 33)

Page 34 Open Resevoir Water Temperature Control Units
AIR PURGE Button
Optional
Press the AIR PURGE button to purge the system of air. The
PURGE VALVE ON indicator lights during the air purge cycle.
QUICK COOL Button
Optional
Press the QUICK COOL button to open the cooling valve and
quickly cool the process.
LOCAL/REMOTE Switch
Optional
Press the LOCAL/REMOTE switch to toggle between local and
remote temperature sensor probe operation.
4-5 Alarms
Audible/Visual General Fault Alarm
Optional
The audible/visual general fault alarm sounds if any fault triggers,
such as low water pressure, over-temperature, or pump overload. A
signal from any of the safety devices activates a horn and flashing
strobe.
n Push the ALARM SILENCE button to silence the alarm.
The optional mechanical high temperature safety alarm is
interlocked with the heater. When triggered, the heater cuts out
and the pump continues to run.
4-6 Communications
A connection port on the electrical cabinet permits easy hook-up to
the host computer for RS-485 communications. The connection
port is a direct pin-to-pin extension from the back of the controller.
For pin outs, consult the controller Manual supplied.