Huawei ECC800 User Manual page 177

ECC800 Data Center Controller
User Manual (for ECC800-Pro)

Linkage Grouping
Table 6-33 FusionModule800 linkage grouping
Linkage
Category
Link air
conditioner
fault with
emergency
fan
Link
emergency
ventilation
with Cabinet
Electronic
Clasp lock
open
Link smoke
alarm with
Cabinet
Electronic
Clasp lock
open
Issue 06 (2020-04-22)
Ensure that Enable linkage control function is Yes.
Default
Status
off
off
off
Copyright © Huawei Technologies Co., Ltd.
Function
If this linkage status is set to on:
If all smart cooling products fail to communicate, and the
aisle temperature is higher than 27° C, the emergency fan
starts.
If all smart cooling products fail to provide the cooling
function properly, and the aisle temperature is higher than
27° C, the emergency fan starts.
If this linkage status is set to on:
 If all smart cooling products communicate properly but do
not provide the cooling function, and the 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
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
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 temperature in the cold aisle is lower than the preset
temperature (30° C by default) minus 2° C, the
ECC800-Pro reports a critical alarm for door closing to
remind the customer to close the door manually. The
alarm is cleared after the door is closed.
NOTE

After the IT cabinet door automatically opens, a door open alarm
is displayed on the active alarms page of the ECC800-Pro.

In the Linkage Group area, click Link emergency ventilation
with lock open. Click
Click in the Operation column to modify the temperature
setting.
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
6 Feature Description
to expand the Linkage Logic List.
166