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Advanced Cooling Controller
User Manual
A Parameter Description
Issue Draft A (2014-12-26)
Huawei Proprietary and Confidential
Copyright © Huawei Technologies Co., Ltd.
68
Menu
Parameter
Description
Default Value
Settings
>
System
Settings
>
Compresso
r
conditions are met.
NetCol8000-A:
10s
NetCol5000-A020
: 26s
Shortest runtime
Sets the minimum runtime for
shutting down the compressor
after it is started.
180s
Shortest
shutdown time
Sets the minimum shutdown
for starting the compressor
after it is shut down.
NetCol5000-A020
: 150s
NetCol5000-A035
(025),
NetCol8000-A:
180s
Protection
release delay
Sets the delay time for
releasing the protection of
frequency rise or fall forbid
and for releasing the protection
of speed rise or fall forbid.
60s
Min speed
Sets the minimum rotational
speed for the compressor.
1500 rpm
Max speed
Sets the maximum rotational
speed for the compressor.
NetCol5000-A025
: 4000 rpm
NetCol5000-A035
: 4500 rpm
Min dehumid
speed
Sets the minimum rotational
speed for the compressor when
the precision air conditioner is
under dehumidification.
3600 rpm
LF oil return
speed
Sets the rotational speed for
the precision air conditioner at
low frequency oil return.
NetCol5000-A025
: 2700 rpm
NetCol5000-A035
: 3000 rpm
HF oil return
speed
Sets the rotational speed for
the precision air conditioner at
high frequency oil return.
NetCol5000-A025
: 3300 rpm
NetCol5000-A035
: 3600 rpm
Oil return period
Sets the period of the precision
air conditioner for running at
oil return frequency.
180s
Forced oil return
period
Sets the period allowed for the
compressor for running at low
frequency before forcibly
entering the oil return mode.
You are not recommended to
NetCol5000-A020
: 60 min
NetCol5000-A035
(025): 2 h