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Installation and Operating Instructions
EN
Central ventilation units AIR1 XVP
4. Connect the other end of the HMI cable to the display (see wiring diagram).
AIR1 BE-ECO
294 Modbus/Bacnet
AIR1 XVP.. units have a rs485 connection and Ethernet connection. The rs485 connection is used for the internal com-
munication of the pressure sensors. The Ethernet connection can be used for the communication with building control
systems.
– ModBus TCP
– Bacnet IP
295 Connection of optional air quality sensors
The following air quality sensors can be connected for sensor-controlled operation:
AIR1/KWL-VOC 0-10V
AIR1/KWL-CO2 0-10V
AIR1/KWL-FTF 0-10V
AIR1-CO2 K
Connection of air quality sensors:
The power supply (24 V DC) must be connected according to the wiring diagram (see wiring diagram).
The signal cables are connected according to the wiring diagram via the analogue inputs AI2, AI3 and AI4.
Connection information:
• If a room temperature sensor is connected to analogue input AI2, only analogue inputs AI3 and AI4 are available for
air quality sensors.
• Up to 3 different or same types of sensors can be connected to a ventilation unit with 3 free analogue inputs. The
highest ventilation requirement has priority.
• If more than 3 sensors are connected, the signal converter AIR1-SK (Ref. no. 06 019) with 6 analogue inputs and
one analogue output is available. Only the same type of sensor can be connected to a signal converter.
An output of 56,7 W or 88,1 W (see power supply) is available for the connection of air quality sensors. However, this
decreases depending on additionally connected accessories.
Thus, the available 24 V power supply must be considered for the connection of sensors based on the table.
Accessory (AIR1 XVP)
AIR1-BE TOUCH
AIR1-BE ECO
AIR1-ENH
AIR1-NH WW
AIR1-KR KW
AIR1-JVK
AIR1-ULK
AIR1/KWL-CO2 0-10V
AIR1/KWL-FTF 0-10V
AIR1/KWL-VOC 0-10V
AIR1-CO2 K
RMK
AIR1 BE-TOUCH
Ref. no. 20 250
Ref. no. 20 251
Ref. no. 20 252
Ref. no. 07 124
Controller
Controller
Electrical auxiliary heater (contactor)
Warm water auxiliary heater (valve)
Cold water cooling register (valve)
Volume control dampers (2 x)
Recirculation damper
CO2 sensor
Humidity/temperature sensor
Mixed gas sensor
CO2 duct sensor
Duct smoke sensor
14
Required output
6 W
0.24 W
5.4 W
6 W
6 W
5 W (2 x 2.5 W)
1 W
0.6 W
0.6 W
0.6 W
2 W
0.6 W
Fig29
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