Huawei NetCol8000-E220 User Manual page 97

NetCol8000-E220 Modular Indirect Evaporative Cooling
System
User Manual
Parameter
Cascade
function
Differential
pressure
sharing
Cold aisle
temperature
and
humidity
sharing
Hot aisle
temperature
and
humidity
sharing
Issue 02 (2019-10-10)
Description
device.
 When the requirement
control is Indoor fan
unified control or
Central load
distribution, all smart
cooling product fans in
the group rotate at the
same speed.
After the requirement
control is enabled, you can
configure Cascade
function. The cascade
function starts standby
smart cooling products if
the active one cannot meet
the refrigerating
requirements.
When this parameter is
enabled, the smart cooling
product, which is not
configured with the
differential pressure sensor
in the group, is logically
controlled by using the
acquired value of the
configured differential
pressure sensor.
When this parameter is
enabled, the smart cooling
product, which is not
configured with the cold
aisle T/H sensor in the
group, is logically
controlled by using the
acquired value of the
configured cold aisle T/H
sensor.
When this parameter is
enabled, the smart cooling
product, which is not
configured with the hot aisle
T/H sensor in the group, is
logically controlled by using
the acquired value of the
configured hot aisle T/H
sensor.
Copyright © Huawei Technologies Co., Ltd.
4 Power-on and Commissioning
Configuration
Principle
If the heat load to the
device increases, the
cascade function is
recommended.
This parameter can be
enabled when there are at
least two smart cooling
products in the group are
configured with
differential pressure
sensors.
This parameter can be
enabled when there are at
least two smart cooling
products in the group are
configured with cold aisle
T/H sensors.
This parameter can be
enabled when there are at
least two smart cooling
products in the group are
configured with hot aisle
T/H sensors.
Default Value
Disable
Disable
Disable
Disable
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