Setting Of Automatic Control Mode - Delta HCH1850 User Manual

Set the proportional constant, integral constant and derivative constant (PID). Refer to 4.7
PID Setting.
Min Flow T
When the return air temperature is lower than this value, the fans will run at the minimum
speed to save energy and the default is 25°C.
Max Flow T
When the return air temperature is higher than this value, the fans will run at the
maximum speed and the default is 40°C.
Fan Step
It is used to set the fan speed (range: 0~15) in the automatic mode. The default is 0 and
the cooling unit will adjust the fan speed according to your setup.
Auto Recover
When this function is enabled and the system is in the automatic mode before power-off,
at a restart, the unit will directly return to the automatic mode.
Intelligent
Display if the intelligent temperature control is enabled. This option only displays the
status. You cannot change the setting. For change of setting, refer to 5.7.4 Setting of
automatic control mode.
Leak. Cut-Off
If this function is enabled, the unit will automatically shut down once the water leakage
detector detects leakage.

5.7.4 Setting of automatic control mode

Path:
This unit supports two kinds of automatic control modes:
Intelligent
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Chapter 5
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OFF
Operation