TrilliumSeries™ Adiabatic
Cooler - TRF Operation & Maintenance Manual
–
User Interface
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9. User Interface
Home Menu
The screen or Human Machine Interface (HMI) home menu is shown in
. The home menu displays leaving fluid
temperature or customer input command, leaving fluid temperature setpoint or customer input command, control mode, fan
command, and system messages. In addition to all unit and fan alarms, the system messages box can show the messages
shown in
Pressing the
“
run authorization
”
button in the upper left-hand corner will toggle the run authorization, turning the unit on or off.
Pressing the icons near the bottom of the screen will navigate to their respective menus below.
Figure 26. Home Menu
Message Text
Description
Cycle of Concentration Drain
After a set value is reached, the sump is drained to flush out a
build-up of excess minerals.
Pump X Anti-Recycle (AR)
Timer Active
A timer to prevent excessive on/off cycling of the adiabatic pre-
cooler circulation pumps
Water Usage Disabled
Indicates if the unit is restricted from entering adiabatic operation
Night Quiet Mode Active
Indicates if night quiet mode is active
Night Dry Mode Active
Indicates if night dry mode is active
Schedule Dry Mode Active
Indicates if scheduled dry mode is active
Emergency Mode Active
Indicates if the emergency mode is active. During this mode, the
fan speed is no longer controlled by the PLC but rather fixed at a
predefined level.
Table 7. System Messages
