Technical information

6-1
Portable Chillers UGH024/1103
l Before Beginning . . . . . . . . . . . . . . . . . . . . .6-2
l A Few Words of Caution . . . . . . . . . . . . . . .6-3
l Identifying the Cause
of a Problem . . . . . . . . . . . . . . . . . . . . . .6-3
l TIC Control Input / Output . . . . . . . . . . . . . .6-4
l TIC Control Answering an Alarm . . . . . . . .6-5
l TIC Control Problems . . . . . . . . . . . . . . . . .6-6
l TIC Control Mechanical Conditions . . . . . .6-8
l PLC Control Answering Alarms . . . . . . . .6-16
l PLC Control Alarm Conditions . . . . . . . . .6-17
l PLC Control Alarm Errors . . . . . . . . . . . . .6-20
l PLC Control Alarm History Screens . . . . .6-21
l PLC Control Alarm Screen Legend . . . . . .6-22
l PLC Control Control Problems . . . . . . . . .6-23
l PLC Control Alarm Conditions . . . . . . . . .6-25
l Checking and Replacing
Switches . . . . . . . . . . . . . . . . . . . . . . . . .6-44
l Replacing the RTD . . . . . . . . . . . . . . . . . . .6-45
l Removing Pump Components . . . . . . . . .6-46
l Replacing Fuses . . . . . . . . . . . . . . . . . . . .6-47
l Replacing the Contactor . . . . . . . . . . . . . .6-48
T
ROUBLESHOOTING