Filter Change - Helios AIR1 XC 500 L Notice De Montage Et D'entretien

Installation and Operating Instructions
EN
Compact Ventilation Units AIR1 XC
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

Filter change

Filter guard 1
Filter guard 2
Temperature alarms
Supply air control error
High supply air temp.
Low supply air temp.
High room temperature
Low room temperature
High extract air temp
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
B No • Replace supply air filter
B No • Replace exhaust air filter
B No • TARGET/ACTUAL temp. difference is greater than 5 K for
30 minutes
• Setpoint is unrealistic check
• Check optional heating/cooling register
• Check mixer for optional hydraulic unit
• Check flow temperature of water heating register
B No • Outdoor temp./solar radiation is very high
• Setpoint is too high (35 °C) check
• Check optional heating
• Check mixer for optional hydraulic unit
B Yes • Setpoint is too low (10 °C) check
• Check optional heating
• Check mixer for optional hydraulic unit
• Check bypass functionality
B No • Outdoor temp./solar radiation is very high
• Setpoint is too high (35 °C) check
• Check optional heating
• Check mixer for optional hydraulic unit
B No • Setpoint is too low (10 °C) check
• Check optional heating
• Check mixer for optional hydraulic unit
B No • Outdoor temp./solar radiation is very high
• Setpoint is too high (35 °C) check
• Check optional heating
• Check mixer for optional hydraulic unit
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