Huawei SmartDC V100R021C10 User Manual page 237

ECC800 Data Center Controller
User Manual
Linkage
Category
Link
emergency
ventilation
with
Cabinet
Electronic
Clasp lock
open
Link smoke
alarm with
Cabinet
Electronic
Clasp lock
open
Issue 04 (2021-10-09)
Default Function
Status
off If this linkage status is set to on:
● If all smart cooling products communicate properly
but do not provide the cooling function, and the
average temperature in the cold aisle is greater
than or equal to the preset value (30°C by default),
the rear door of the IT cabinet automatically opens.
● If all smart cooling products fail to communicate,
and the average temperature in the cold aisle is
greater than or equal to the preset value (30°C by
default), the rear door of the IT cabinet
automatically opens.
● If the rear door of the IT cabinet is open and the
average temperature in the cold aisle is higher
than the preset value (35°C by default), the front
door of the IT cabinet automatically opens.
● If at least one smart cooling product is in cooling
mode or the average temperature in the cold aisle
is lower than the preset temperature 28°C, and at
least one cabinet door is open, the ECC800-Pro
reports a critical door open alarm, reminding the
customer to manually close the door. After the
door is closed, the alarm is cleared.
NOTE
● After the IT cabinet door automatically opens, a door
● In the Linkage Group area, click Link emergency
off If this linkage status is set to on:
● When a smoke alarm is generated, the rear cabinet
door is opened.
● When the cabinet door is opened, the ECC800-Pro
generates a door open alarm. After the smoke
alarm is cleared, you need to manually close the
door. After the door is closed, the door open alarm
is cleared.
● If the emergency heat dissipation control logic
conflicts with the smoke alarm control logic, the
smoke alarm control logic takes precedence.
NOTE
If the fire extinguishing system is installed inside the
smart module, the linkage function is not enabled.
Copyright © Huawei Technologies Co., Ltd.
open alarm is displayed on the active alarms page of
the ECC800-Pro.
ventilation with lock open. Click
Linkage Logic List. Click
column to modify the temperature setting.
6 Feature Description
to expand the
in the Operation
225