10
ELECTRICAL CONNECTIONS
IN
T
E
RNA
L
E
L
E
C
T
RI
C
A
L
C
ON
N
E
C
T
ION
LINE: Phase
NEUTRAL: Neutral
SLI: Safety switch phase feed
SNI: Safety switch neutral feed
SLO: Safety switch phase to the circuit board
SNO: Safety switch neutral to the circuit board
SFL: Phase to supply air fan
SFN: Neutral to supply air fan
EFL: Phase to extract air fan
EFN: Neutral to extract air fan
FSO: Fireplace switch feed
FSI: Fireplace switch output
AHL: Post-heating phase
AHN: Post-heating neutral
PHL: Additional heater phase
PHN: Additional heater neutral
BL: Damper motor phase A
BL1: Damper motor phase B
BN: Damper motor neutral
E/I: Error relay feed
E/O: Error relay output
Freezing level adjustment
Fireplace switch
M
1
2
3
Programming connector
Safety / door switch
Belimo damper
motor 230 VAC
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 50 Hz
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.
234
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 1500 W
70
3
4
8
0
0A
