Wiring Diagram - Helios KWL-EM eC Notice De Montage Et D'utilisation

Operating Instructions
EN
CHAPTER 6

WIRING DIAGRAM

OVERVIEW
Extension module KWL-EM eC for easyControls
6�1 Wiring diagram
KWL-KNX
KWL-EM eC
art. nr.: 40155
3x0,5 mm 2
KWL-VOC eC
Sensor* 2
art. nr.: 20247
2x2x0,5 mm 2
KWL-FTF eC
Sensor* 1
art. nr.: 20249
2
2x2x0,5 mm
KWL-CO2 eC
Sensor* 2
art. nr.: 20248
2
2x0,5 mm
2x2x0,5 mm 2
2x0,5 mm 2
2
2x0,5 mm
RJ45
Power supply
MB_A
MB_B
Maximum* <= 6 W
+24 V
KWL-BE Touch 1 W
KWL-FTF eC Sensor 0,3 W
GND
KWL-CO2 eC Sensor 1 W
RS_A
KWL-VOC eC Sensor 0,6 W
RS_B
KWL-KNX Connect 0,2 W
NTC
24 V
Voltage
*
All internal bus dev ices may together consume a maximum of 6 W
DC
* 1
Maximum of 6 KWL-FTF eC sensors possible
* 2
Maximum total of 6 KWL-CO2 eC / KWL-VOC eC possible
85499-236 ss_1433 19.07.2021
Connect
art. nr. 20253
Remote
monitoring
Modbus RTU
- +
-
- A B
2
4x0,5 mm
Conne ction box
MB_A MB_A
MB_B MB_B
+24V +24V
RS_A RS_A
RS_B RS_B
GND GND
NTC
GND
+24V
RS_A
+24V
RS_A RS_B
RS_B
GND
GND
+11V1
+24V AN/I
D/I1
GND
+24V RM/I
D/I2 RM/O
Ventilation unit internal
electrical connection
External Modbus A signal
External Modbus B signal
+ 24 V voltage (DC)
Digital and analog ground
potential
Local hardw are Modbus A
signal
Interner Modbus B Signal
External temperature sensor
connector
8
Modbus cable length: maximum 100 m
tw isted pairs of w ires must be used.
A+ B-
Vdd
GND
2x2x0,5 mm
2x2x0,5 mm 2
A+ B-
Vdd
GND
2
2x2x0,5 mm
If no KWL-BE ECO is
connected, the AN/I is an
analogue input and the relay
contact RM/I RM/O is a digital
output.
2
4x0,5 mm
Low pres s ure
Revis ion s witc h
switch
3x1,5 mm 2
D/I1 Digital input 1
D/I2 Digital input 2
11V1 10 V operating voltage
AN/I Analog input 0-10 V DC
Potential for relay contact
RM/I
max. 24 V / 1 A
RM/O Relay contact
KWL-BE
Touch
art. nr.: 20245 ws
2
KWL-BE
Touch
art. nr.: 20244 sw
KWL-BE ECO
art. nr: 20246
0-10 V
0 V - 1 V = stop
2 V - 4 V = On the road
5 V - 7 V = at home
8 V - 10 V = intensive
ventilation
L
PE
N
E