10
ELECTRIC
AL CONNECTIONS
INTERNAL ELECTRICAL CONNECTION
Freezing level adjustment
Fireplace
switch
M
1 2 3
Programming connector
Safety /
door switch
Belimo damper
motor 230Vac
VAK
remote
monitoring
E/I
E/O
When remote monitoring is used
Leave the signal LED of the external
control panel or cooker hood
disconnected.
Also disconnect the short circuit link
between connectors 3 and 5
from the female side of the control
panel connector.
Post-heating control
PWM level adjustment
4 5 6
Protective earth to a separate block
7 8 9
1
Supply
air fan
2
3
Extract
air fan
4
5
LINE
NEUTRAL
SLI
SNI
SLO
SNO
SFL
Extract air NTC
Outdoor air NTC
Supply air to the apartment NTC
Exhaust air NTC
Supply air from the cell NTC
SFN
EFL
EFN
FSO
FSI
AHL
AHN
PHL
PHN
230V 50Hz
BL1 BL
BN
E/I
E/O
9. GND / -
8. Supply fan PWM
7. Supply fan tacho
6. GND / -
5. Extract fan PWM
4. Extract fan tacho
3. GND / -
2. 11,4 Vdc / +
1. Control signal S
1
DIP Switch
Up
Down
1. Post-heating
Electric
VKL
2. Additional heating
Electric
MLV
3. Type of the unit
Bypass
Supply fan stop
4. Extra
An external 0-10Vdc voltage supply can be
connected to the S and GND signals
of the control signal for fan control.
23
4
DIP switch
ERROR RELAY
(potential-free)
*Fan neutral to FSI when
the fireplace switch is used
LED
*Without the fireplace switch, the fan neutral is connected to EFN
With the fireplace switch, the fan neutral is moved to FSI
1
2
3
4
LED
-
+
S
1 2 3 4 5
1 2 3 4 5
Error relay
90°C
130°C
R1
T1
T2
Electric
post-heating
radiator 1500W
Harmonic filter
