Wiring Diagram; Connections For Networks And Accessories; Connect Network; Connect Accessories - Helios KWL 250 W Montage- Und Betriebsvorschrift

Installation and Operating Instructions
EN
Central ventilation unit – KWL 250 W/W ET

5.1.2 Wiring diagram

Distribution board
L N
L N L
L
N L
Low pres sure
R evision sw itch
s witc h
Power cabel (2 m x 3 1,5 mm
S E
A Motherboard
B 1. Extract air fan tacho (w s)
2. GND (gn/bl)
3. Etract air f an PWM (gb)
4. Supply air fan tacho (w s)
5. GND (gn/bl)
6. Supply air fan PWM (gb)
C 1. Extract air temperature sensor
2. Outdoor air temperature sensor
3. No use
4. Exhaust air temperature sensor
5. Supply air temperature sensor
5.2

Connections for networks and accessories

5.2.1 Connect network

The network is connected via the network cable led out of the cable gland with a plug.
1. Connect network cable to router or PC/laptop.

5.2.2 Connect accessories

The accessories are connected, except for the electric preheater (internal), via the external terminal box.
1. Open terminal box.
2. Connect accessories, see chapter 5.1 „Connect unit", page 13.
gb-gn
1
L
2
N
3
N
L
4
N
N
5
L L
L'
6
2 ,
N
LF
230 V~) 7
N N'
br
8
bl
9
br
10
bl
11
12
13
br
14
bl
15
2 L
16
3 L
17
1 N
18
T1 T2
110 °C 60 °C
M
R1
Bypass
D LAN
RH% Internal humidity sensor
S Supply air fan
E Extract air f an
M Damper motor
R1 Preheating rediator
LF line filter
15
MB_A MB_A
MB_B MB_B
+24V
RS_A RS_A
RS_B RS_B
GND
see
NTC
SS-1433
GND
+24V
RS_A
+24V
RS_A RS_B
RS_B
GND
GND
+11V1
+24V
D/I1
GND
+24V RM/I
D/I2 RM/O
Motherboard
Transformer
RH%
A
D
1
2
3
C
4
B
5
1 2 3 4 5 6
Farbcode/ color code / code
couleur (IEC757)
BK-sw-schwarz-black-noir
BN-br-braun-brown-brun
RD-rt-rot-red-rouge
OG-or-orange-orange-orange
Y E-ge-gelb-y ellow-jaune
GN-gn-grün-green-v ert
BU-bl-blau-blue-bleu
VI-v i-v iolett-v iolett-v iolet
WH-ws-weiß-white-blanc
Fig. 19
+24V
GND
AN/I
E