11
Unit with inner panel –
KWL EC 45-160
Installation and Operating Instructions
7 .0 Wiring diagram for operation with 2-6 ventilation units KWL EC 45-160
CHAPTER 7
WIRING DIAGRAM
OVERVIEW
1 2
4
6
5
7 8 9 10 11
+
- / GND
12V=
KWL 45 BEU
- / GND M1...
- / GND M2...
+12V M1...
+12V M2...
PWM M1...
PWM M2...
External contact, see installation and operating instructions for functions
Service
Micro USB
S1
S2
H1
H2
H3
H4
H5
H6
H7
H8
M1
Colour code (IEC 757) RD-r
t- rot-red-rouge
BU-b
l-b
lau-b
lue-b
leu
VT
-vi-violett-violett-violet
red / +12VDC
blue / - GND
violett / PWM
M2
KWL EC 45: M2 - start extract air
1 2
4
6
5
7
KWL 45 BEU
230 V~ /
12 V =
KWL 45 SNU
8 9 10 11
+
-
+
-
230 V~
in-wall socket
Operation with 2 x KWL EC 45 and 1 x KWL 45 SNU
rd bl vt
8
6
10
rd bl vt
11
7
9
KWL EC 45: M1 - start supply air
M1
KWL EC 45: start extract air
1 2
4
6
5
7
KWL 45 BEU
230 V~ /
12 V =
KWL 45 SNU
8 9 10 11
+
-
+
-
230 V~
Operation with more than 2 to 6 x KWL EC 45 with 1 x KWL 45 SNU
KWL EC 45: start supply air
splitter
4
max. 4 m to star point
- recommended control line J-Y (ST) Y 0,8 mm
- max. length per motor from KWL 45 BEU to the motor 30 m
- all motors star-shaped to the splitter
- from splitter / star point to KWL 45 BEU max. 4 m
M3
M5
M2
M4
M6
6
8
10 11
3
6 - GND
8 - + 12V
10- PWM
start supply air
11- PWM
start extract air
3
3
3
3
3
3
- recommended control line J-Y (ST) Y 0,8 mm
- max. length per motor from KWL 45 BEU
to the motor max. 30 m
3
protection class 3,
SELV-safety extra-low voltage
1)
1)
Max. 6 x KWL EC 45
possible.
For 8 fans
2 x KWL 45 SNU
connect in parallel,
see
Alternative with top-hat
rail power supply unit,
see
SS-1093
SS-1093
85360 001 SS-1091 22.08.19
Further connection variants see
SS-1093
1,5 mm²,
max. 4 m
2
1,5 mm²,
max. 4 m
2
E
in-wall socket
in-wall socket
in-wall socket
Fig .22
EN