Helios AIR1 XH 1000 Notice De Montage Et D'entretien page 93

Installation and Operating Instructions
m
DANGER
m
WARNING
Central ventilation units AIR1 XH
1. Determine service side of unit.
2. Fix main switch to the panel, which is suitable for unit access, with the screw M4x10 (see Fig.21).
2�3�3 Controller connection
m
Danger to life due to electric shock
An electric shock can result in death or serious injury.
Ensure that the unit is voltage-free and isolated from the mains power supply. Ground and short circuit the unit, shield
neighbouring live components.
m
Risk due to electric shock, moving parts (fan) and hot surfaces!
1. Open the terminal box cover.
2. Loosen the marked grommet and insert the cables (see Fig.22).
3. Connect the controller cable to the marked terminals in the terminal box (Fig.23) (see wiring diagram).
4. Connect the other end of the HMI cable to the display (see wiring diagram).
AIR1 BE-ECO
2�3�4 Modbus/Bacnet
AIR1 XH 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
2�3�5 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
!
Fig�22
Fig�23
AIR1 BE-TOUCH
Ref. no. 20250
Ref. no. 20251
Ref. no. 20252
Ref. no. 07124
14
EN
Fig�21
Fig�24