X84; Temperature Alarm Function; X84; Flow Alarm Function; X84; General Parameters - GRAVOGRAPH LS100 IQ Operating And Maintenance Manual

Operating instructions for the machine

„ Temperature alarm function

When a temperature alarm is triggered, the error code and the temperature are displayed on-screen
simultaneously. To stop the audible alarm signal, press one of the controller keys. The alarm remains displayed
until its cause has been eliminated.
Error
E1
E2
E3
E4
E5

„ Flow alarm function

When an alarm is triggered, the red indicator light is illuminated and an audible signal is sounded. The green
indicator light goes out.
Status
Cooling water circulation loop obstructed
Insufficient water alarm
Malfunction of the water circuit pump

„ General parameters

The parameters of the industrial chiller supplied with the ENERGY machines are preset
(Initial setup). It is not necessary to change these parameters.
Press the (SET) button in normal mode. The red indicator light flashes. This indicates that the controller is in
parameter setting mode.
• In constant temperature control mode, the screen displays the value of the set temperature (parameter
F0).
• In intelligent control mode, the screen displays the temperature difference between that of the water and
that of the ambient air (parameter F1).
Use the arrow keys to change the parameters.
After modifying the values, press the (RST) button to save and exit. The new parameters become active.
Otherwise, press the (SET) button to exit setting mode without saving the new parameters.
If no button is pressed within 20 second(s), the controller automatically exits parameter setting mode
without saving the modified parameters.
M_LS100IQ EX Energy_EN_C
Meaning
Maximum ambient temperature exceeded
Maximum water temperature exceeded
Water temperature below the minimum
Malfunction of the ambient temperature sensor
Malfunction of the water temperature sensor
Normal flow
Indicator(s)
indicator light
(Green)
Flow alarm indicator
light (Red)
Off On
Off On
Off On
Audible alert
Yes
Yes
Yes
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