Shutdown - Delta HCH1850 User Manual

Operation
mode
Installation
mode
Force
mode
5.6

Shutdown

Path:
WARNING:
In the standby mode, the unit is still in power-on status! In the standby mode, you
must disconnect the input power to get the unit to fully power-off.
standby mode, select Y and press
in the standby mode. Now, the cooling unit is still in power-on status and the fans run at the
minimum speed.
Next, disconnect the external power and make sure that the fans stop and the LCD display is
off.
Path:
This mode is used to de-humidify and adjust the water balance. When it is
started, the three-way ball valve will fully open and the fans will rotate at
the minimum speed. When the system humidity falls within the operation
scope, the WARNING
short beeps continuously until you leave the installation mode.
For the operating temperature and humidity, refer to 4.3 Operating
Temperature and Humidity.
Path:
The three-way ball valve is fully open and the fans run at the highest
speed. This mode is generally used for unit testing or emergency cooling
request.
System Mode
ON
Sure?
Description
Standby
Y/N
STANDBY indicator lights, the unit is
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Chapter 5 Operation