Co2 - Demand Control; Cooker Hoods - SystemAir VEF 1 Betriebs- Und Wartungsanleitung

GB
Installation and connection
1. Remove the cover of junction box (pos. 1) by turning four locks in each corner from position 1 to 0.
2. Pull out potentiometer connected to sockets 2, 3 and 4 on the terminal block.
3. Connect 0-10V (4) on the accessory to socket 3 on the terminal block.
4. Connect GND (5) on the accessory to the socket 2 on the terminal block.
5. Connect 230 V – Neutral (N) wire to the accessory and N socket on the terminal block (Blue wire).
6. Connect 230 V – Phase (L) wire to the accessory and L socket on the terminal block (brown wire).
7. Ground connection should be connected to the socket with ground symbol on the terminal block (yellow/green
wire).
8. Place back the cover of junction box and lock it.
VEF shall be controlled according to indoor humidity levels now.
8.1.4

CO2 - Demand control

The controller compares room CO2 with an adjustable set point (SW1) and regulates a 0..10 V output signal applied to a
ventilator with a proportional algorithm in direct or reverse action based on jumper JP1, setting significantly reducing
energy consumption to maintain indoor climate.
Component/product — Article number:
• EC-Basic-CO2 and temperature — 24808
Installation and connection
1. Remove the cover of junction box (pos. 1) by turning four locks in each corner from position 1 to 0.
2. Pull out potentiometer connected to sockets 2, 3 and 4 on the terminal block.
3. Connect 0-10V (4) on the accessory to socket 3 on the terminal block.
4. Connect GND (5) on the accessory to the socket 2 on the terminal block.
5. Connect 230 V – Neutral (N) wire to the accessory and N socket on the terminal block (Blue wire).
6. Connect 230 V – Phase (L) wire to the accessory and L socket on the terminal block (brown wire).
7. Ground connection should be connected to the socket with ground symbol on the terminal block (yellow/green
wire).
8. Place back the cover of junction box and lock it.
VEF shall be controlled according to indoor CO
8.2

Cooker hoods

These cooker hoods are designed with a possibility to connect them to ventilation units such as Cupboard fans.
211877 | A006
Fig. 7 Controller connection
levels now.
2
17
Accessories |