19
8.3.
Connector of comfort functions
The Unit supports following external functionality:
Fire alarm
– emergency shutdown of the Unit upon activation of fire alarm;
Boost
– ventilation boost activation by external switch;
CO2 sensor
– ventilation power increase based on readings of auxiliary CO2 or humidity
sensors connected;
Away
– reduction of ventilation power while away from home by security system or
external switch.
Function can be activated by short circuiting the respective digital contacts of RJ45 function
connector.
Figure 9. Contacts of functions connector
IMPORTANT!
Only passive jumpers or electric relays should be used to activate the function!
IMPORTANT!
If the Unit is being controlled by control panel with a knob, please make sure that
corresponding S2 switch does not block the usage of function (refer to section 9.3.6 "Additional
system settings").
IT IS PROHIBITED
to connect the functions connector directly to electrical wiring network!
Optional RJ45 adapter can be used for more convenient connection:
Figure 10. Comfort functions RJ45 connector adapter
Conn. contact No.
Function of ventilation system
1-2
Away
3-4
CO
2
sensor
5-6
Boost
7-8
Fire alarm