Advanced Cooling Controller
User Manual
A Parameter Description
Issue Draft A (2014-12-26)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
72
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Parameter
Description
Default Value
deemed as normal by default
during the low pressure shield
period.
Hot gas bypass
valve max start
temp
Indicates the maximum liquid
pipe temperature to start the
hot gas bypass valve.
55.0°C
Hot gas bypass
valve min start
temp
Indicates the minimum liquid
pipe temperature to start the
hot gas bypass valve.
28.0°C
Hot gas bypass
valve min on/off
time
Sets the minimum runtime
time for the hot gas bypass
before it can be shut down, or
the minimum stop time before
it can be started.
120s
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CW Valve
Max adjust step
Sets the maximum step for
adjusting the chilled water
valve. You are not
recommended to change the
value.
50.0%
Min valve
opening for
dehumid
Sets the minimum openness of
the chilled water valve after
entering the dehumidification
mode. You are not
recommended to change the
value.
40.0%
Anti-cond valve
regu ratio
Sets the decrease of the
openness of the chilled water
valve after the
anti-condensation openness
protection is generated.
5%
Temp diff at no
cooling
When the difference between
the current temperature and
temperature set point is greater
than the value, a "No cooling
output" alarm will be
generated, and the system will
be shut down. You are not
recommended to change the
value.
3.0°C
Supply water
temp sensor
N/A
Disable
Return water
temp sensor
N/A
Disable
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Min speed
Sets the minimum rotational
speed for the indoor fan.
NetCol5000-A035
(025),
NetCol5000-C: