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Installation and Operating Instructions
Central ventilation units AIR1 XVP
h� Functions Outside air damper
• Auto = The outside air damper is automatically opened and closed by the controller, like during normal ventilation
unit operation.
• Close = The outside air damper is not activated and closes via a spring return.
• Open = The outside air damper is activated and opened.
i� Functions Exhaust air damper
• Auto = The exhaust air damper is automatically opened and closed by the controller, like during normal ventilation
unit operation.
• Close = The exhaust air damper is not activated and closes via a spring return.
• Open = The exhaust air damper is activated and opened.
j� Functions Extra sequence Y5 (recirculation damper)
•
Auto = The recirculation damper is automatically opened and closed by the controller, like during normal ventila-
tion unit operation.
•
Off = The recirculation damper is not activated and closes via a spring return.
•
Manual = The recirculation damper cane be activated and opened.
Manual: xxx.x – The value for the control output is set between 0 and 10 V. The recirculation damper can only be com-
pletely opened or completely closed, since it is connected via a relay. Therefore, the control output should only be set
to 0 or 10V for testing.
5�9
Alarms
Alarm priorities A, B, C
•
Alarm A has no delay time and immediately deactivates the unit. The alarm must be confirmed and resolved for
deactivation (Log on as User).
•
Alarm B has a delay time. The alarm must be confirmed and resolved for deactivation (Log on as User).
•
Alarm C has no delay time. The alarm is automatically deactivated as soon as the reasons for the triggered alarm
no longer exists.
The last 40 alarm activities are stored. The following alarm states are possible:
•
Acknowledged - The alarm has been acknowledged. Acknowledged alarms are displayed until the alarm is no
longer present.
•
Reset - The alarm is no longer present.
•
Blocked - The alarm has been blocked. A blocked alarm is displayed until it is no longer present and the block is
cancelled. New identical alarms will not be activated while the block exists.
•
Unblocked - The block has been cancelled for a blocked alarm.
•
Activated - The alarm has been activated from the normal state.
Alarm list:
Alarm
Fan alarms
Malfunction supply air fan
Malfunction extract air fan
Supply fan external operation
Extract fan external operation
Priority
Stop
Check/Solution
A
Yes
• Please make sure that the volume flow of ventilation stage
minimal is not setto low.
• Check pressure hose connection (also inside the pressure
sensor)
• Is the duct clear before/after the unit?
• Are the volume control dampers closed?
• Is the electrical connection of the fan ok?
A
Yes
• Please make sure that the volume flow of ventilation stage
minimal is not setto low.
• Check pressure hose connection (also inside the pressure
sensor)
• Is the duct clear before/after the unit?
• Are the volume control dampers closed?
• Is the electrical connection of the fan ok?
C
No
• Fan rotating despite deactivated system
• Check external inputs
• Fan possibly propelled by booster fan
• Strong wind/draught possibly driving the impeller
C
No
• Fan rotating despite deactivated system
• Check external inputs
• Fan possibly propelled by booster fan
• Strong wind/draught possibly driving the impeller
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