Technical information

4-1
Portable Chillers UGH024/1103
l TIC Control Features . . . . . . . . . . . . . . . . . .4-2
l PLC Control Features . . . . . . . . . . . . . . . . .4-3
l Before Starting . . . . . . . . . . . . . . . . . . . . . .4-4
TIC CONTROL
l Control Features . . . . . . . . . . . . . . . . . . . . .4-5
l Changing the Setpoint
Temperature . . . . . . . . . . . . . . . . . . . . . . .4-6
l Stopping/Starting the Chiller . . . . . . . . . . . .4-6
l Menu Features . . . . . . . . . . . . . . . . . . . . . . .4-8
l Changing the Settings . . . . . . . . . . . . . . . . .4-9
l Tuning the Chiller . . . . . . . . . . . . . . . . . . . .4-9
PLC CONTROL
l Powering Up . . . . . . . . . . . . . . . . . . . . . . .4-17
l Running/Stopping the Chiller . . . . . . . . . .4-17
l Viewing Chiller Status Screens . . . . . . . . .4-18
l Programming Settings . . . . . . . . . . . . . . .4-21
l Changing Setpoint
Temperature . . . . . . . . . . . . . . . . . . . . . .4-22
l Resetting PID Settings . . . . . . . . . . . . . . .4-23
l Changing High Temperature
Deviation . . . . . . . . . . . . . . . . . . . . . . . .4-24
l Setting Percent Glycol . . . . . . . . . . . . . . . .4-25
l Setting Fan Setpoints . . . . . . . . . . . . . . . .4-27
l Selecting the
Temperature Scale . . . . . . . . . . . . . . . . .4-28
l Setting Auto Tune Mode . . . . . . . . . . . . . .4-29
l Setting Discharge
Pressure Setpoint . . . . . . . . . . . . . . . . .4-31
l Selecting PID Values . . . . . . . . . . . . . . . . .4-32
l Manually Starting/
Stopping the Pump . . . . . . . . . . . . . . . .4-33
OPERATION