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Installation and Operating Instructions
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NOTE
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NOTE
Central ventilation units AIR1 XH
2�4�7 Ventilation mode
The ventilation mode is set during commissioning. This setting can be modified later using the commissioning assistant
(operating level Admin) only.
The following ventilation modes are available:
• Constant volume flow
• Constant speed
• Constant pressure
• External fan control
If "External fan control 0-10 V" is selected using the commissioning assistant (wizard), the other modes will not be avai-
lable.
Ventilation mode
Constant volume flow
The ventilation mode is used to select the different fan control variants. Press the
menu to select the ventilation mode. Press the
air and extract air fans are set for three ventilation stages (reduced, normal, boost) in m³/h in the constant volume flow
mode or in % in the constant speed mode. In the constant pressure mode, the duct pressure is set in Pa. Press the
button to adjust and press the
OK
OK
The following functions can be selected for the ventilation mode:
• Constant volume flow (m³/h)
• Constant speed (%)
• Constant pressure (Pa)
a� Constant volume flow
3 ventilation stages are available:
• Reduced
• Normal
• Boost
Each ventilation stage has two independent settings for the supply and extract air fan.
When "Constant volume flow" is selected, the volume flows can be set in the "fan control" menu separately for the
supply air fan and the extract air fan:
SAF CVF setp.
Reduced: XXX m³/h
Normal: XXX m³/h
Boost: XXX m³/h
↓
EAF CVF setp.
Reduced: XXX m³/h
Normal: XXX m³/h
↓
Boost: XXX m³/h
When setting the ventilation stage „minimal", please observe the minimum volume flow� For minimum flow see
table „Technical data", chapter 3�1�
b� Constant speed
3 ventilation stages are available:
• Reduced
• Normal
• Boost
Each ventilation stage has two independent settings for the supply and extract air fan.
When "Constant speed" is selected, the volume flows can be set in the "fan control" menu separately for the supply air
fan and the extract air fan.
SAF Const. speed setp.
Reduced: XXX %
Normal: XXX %
Boost: XXX %
↑
OK
OK
↓
button to set the ventilation mode. The air volume flows of the supply
button to confirm.
↑
OK
OK
OK
OK
↑
OK
OK
↑
OK
OK
OK
OK
↓
40
OK
OK
button in the "ventilation mode"
OK
OK
OK
OK
OK
OK
OK
OK
OK
OK
EN
OK
OK
OK
OK
OK
OK
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