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FusionCol8000-E260 Modular Indirect Evaporative
Cooling System
Quick Guide (FDC Scenario)
Tab
Issue 01 (2022-06-30)
Parameter
Contact type for
supply air damper
open
Supply air damper
shutdown mechanism
Return air damper
Copyright © Huawei Digital Power Technologies Co., Ltd.
11 Power-On Commissioning
Description
● Closed: dry contact signal for an air
damper exception alarm; closed:
normal; open: alarm (For a
normally open air damper, set
Contact type for supply air
damper open to Closed.)
● Open: dry contact signal for an air
damper exception alarm. Closed:
alarm; open: normal (For a
normally closed air damper, set
Contact type for supply air
damper open to Open.)
NOTE
This parameter is displayed when DO
Ctrl is selected for Supply air damper.
● Close for fans: The fire dampers
and air dampers are open or closed
depending on whether fans are
started or shut down.
● Close for system shutdown: The fire
dampers and air dampers are open
or closed depending on whether the
unit is started or shut down.
● Close for fire: The fire dampers are
closed only when a smoke or fire
alarm is generated. By default, the
fire dampers are open.
NOTE
This parameter is displayed when
Supply air damper is set to AO Ctrl or
DO Ctrl.
● Disable: The air damper function of
the unit is disabled.
● AO Ctrl: Select AO Ctrl for AO-type
air dampers.
● DO Ctrl: Select DO Ctrl for DO-type
fire dampers.
● No Control/DI Feedback: Select No
Control/DI Feedback for
mechanical fire dampers.
NOTE
If the type of the air damper or fire
damper is inconsistent with the damper
control type on the screen, a fault alarm is
generated.
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