8 - EN
4.2 Connection diagram
Key:
Meaning
Code
Meaning
Code
Right-hand unit
Left-hand unit
PE
Green / Yellow
B1
BYPASS MOTOR 11 extract air
BYPASS MOTOR 20 outdoor air
N / BU
Blue
B11
BYPASS MOTOR 20 outdoor air
BYPASS MOTOR 11 extract air
L / BK
Brown or black
M1
FAN 22 supply air
FAN 12 exhaust air
WH
White
M11
FAN 12 exhaust air
FAN 22 supply air
RD
Red
S1
RH + TEMP SENSOR 11 extract air
RH + TEMP SENSOR 20 outdoor air
VT
Violet
S11
RH + TEMP SENSOR 20 outdoor air
RH + TEMP SENSOR 11 extract air
GN
Green
S2
PRESSURE SENSOR 22 supply air
PRESSURE SENSOR 12 exhaust air
YE
Yellow
S22
PRESSURE SENSOR 12 exhaust air
PRESSURE SENSOR 22 supply air
GY
Grey
S3
RH + TEMP SENSOR 22 supply air
RH + TEMP SENSOR 12 exhaust air
DISPLAY
Display
S33
RH + TEMP SENSOR 12 exhaust air
RH + TEMP SENSOR 22 supply air
RF
RF PCB
S4
n/a
TEMP SENSOR 21 outdoor air after
preheater
VV
Preheater
S44
TEMP SENSOR 21 outdoor air after
preheater
n/a
C1
0-10 V input
C2
Bathroom switch
C3
n/a
C4
Malfunction / dirty filter alert
(LED SAI Flash)
Output voltage at malfunction /
alert = 5 V
SA 0-3V
E
P N L M H
*230V 50Hz
Switch
Schalter
Junction box
Externe Anschlussdose
Interrupteur
Boite de raccordement
+
-
Flash SAI 1-3V
E
P N L M H
M H
L
2
6 1
5
4
2
1
3
*230V 50Hz
Switch
Schalter
Interrupteur
Junction box
Externe Anschlussdose
Boite de raccordement
Gelb/Grün
Blau
Braun
Schwarz
Grau
Jaune/Vert
Bleu
Brun
Noir
Gris
PE
N
L *
M *
H *
Yellow/green
Blue
Brown, low preset
Black, middle preset
Grey, high preset
SA 1-3V
E
P N L M H
2
1
4
*230V 50Hz
Switch
Schalter
Interrupteur
Junction box
Externe Anschlussdose
Boite de raccordement
A control panel must always be connected to operate the unit!
* Unplug the unit from the wall outlet to disconnect it from the power supply.
If the unit does not have a plug, use a switch according to EN 60335-1 (with switch-off
of all poles and 3 mm overvoltage category III).