H50/150 Smart
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User Manual
Page 26 of 32
Notes:
1) Switch OFF and ON the chiller to restart the normal unit working state after an alarm was activated.
2) The Temperature Deviation Value Alarm is not working while self-testing process is performed.
3) The Temperature Deviation Value Alarm is not working after re-switch ON the unit, or the temperature set value
changes.
4) Before the compressor starts running, the Temperature Deviation Value Alarm is active, whereas the
Temperature Absolute Value Alarm is valid.
LIQUID LEVEL ALARM (Optional)
When the low liquid level sensor is activated for more than 10 seconds, the touch controller displays liquid level
alarm and the buzzer sounds. The controller automatically shuts down the solenoid valve to stop liquid cooling. The
unit turns back to normal state once the proper liquid level in the tank is reached.
LIQUID PRESSURE ALARM
When the pressure sensor detects that the liquid circuit pressure is higher than the set value + high pressure limit
or is lower than set value
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low pressure limit for more than 5 seconds, the touch controller shows liquid pressure
alarm
and the buzzer ring. The unit turns back to normal state once the proper liquid level in the tank
is reached.
LIQUID FLOW RATE ALARM (Optional)
When the Switch Times alarm is activated, the touch controller abnormal flow rate alarm and the buzzer sounds if
the flow switch has been off for more than 5 seconds.
When the Water Flow Rate Analogy Amount alarm is activated, the touch controller abnormal flow rate alarm and
the buzzer sounds if the flow sensor detects a flow rate higher than set value + high limit value or lower than set
value
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low limit value. The unit turns back to normal state once the proper liquid level in the tank is reached.
Note: the buzzer can be stopped by pressing any key.
Temperatura Deviation
Value Alarm
Temperatura Absolute
Value
