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UAB KOMFOVENT we reserve the right to make changes without prior notice
DOMEKT_C8_21-01
Fig. 12a
Duct mounted supply air temperature sensor
• B5 (11-12)
– for duct mounted water heater, a return water temperature sensor must be installed to protect against freez-
ing (see section 3.6).
Fig. 12b.
Water temperature sensor
• Inputs (13–15)
– to switch between the “Override” ventilation modes (see “Domekt User Guide”), connect the respective
terminals together with the common terminal 13 (ventilation modes will operate until the terminals are connected). To
activate these modes, a switch, a motion detector or kitchen hood with normally open contacts (NO) can be connected
to the terminals.
1
2
3
C8 controller board
Switch
Spring return damper actuator with end
position contacts (e.g. Belimo LF-230S)
1 2
1 2
S3 S2 S1
0 %
100 %
N
N
~230V
L
L
13 15
C8
1
2
3
Fig. 13.
Example of “Override” ventilation mode activation when using additional air extraction
with a motorised damper (see Fig. 7)
Fire alarm requires a normally closed contact (NC), therefore, a jumper is connected between terminals 13 and 14, instead
of which, building fire system can be connected. When the contact is disconnected, the unit is stopped and a fire alarm
message is displayed.
• Outputs (16–18)
– the terminals are used when external heating/cooling units require an additional closed/open contact
(i.e. to start the DX unit). The corresponding contacts are closed depending on whether the air handling unit heats or
cools.
• FG1 (19–21)
– terminals used to connect air damper actuators. 230 V power supply actuators with or without a spring
return can be connected to them.
