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Installation and Operating Instructions
EN
CHAPTER 6
COMMISSIONING
Central ventilation unit – KWL 220/340 D
5.1.2 Wiring diagram
Farbcode/color code
code couleur (IEC 757)
BN-br-braun-brown-brun
YE-ge-gelb-yellow-jaune
GN-gn-grün-green-vert
BU-bl-blau-blue-bleu
L N PE
L
N
L
N
L
N
L
N
Supply
Extract
air fan
air fan
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 via the external terminal box.
1. Open terminal box.
2. Connect accessories, see section 5.1.1 „Connection diagram", page 14.
6.1
Initial commissioning
The unit must be properly connected or linked to the mains power supply for the initial commissioning. The commissio-
ning assistant can then run via the local web server or optionally via the control element KWL-BE Touch (accessories).
• Initial commissioning via local web server
– Set up local web server, see section 7.1 „Local web server", page 21.
– Run commissioning assistant, see section 6.2 „Run commissioning assistant".
• Initial commissioning via control element KWL-BE Touch (accessories)
Installation and commissioning see Installation and Operating Instructions KWL-BE Touch.
ⓘ The unit cannot operate without successfully completing the initial commissioning!
6.2
Run commissioning assistant
ⓘ I n order to run the commissioning assistant, the local web server of the KWL
mobile end device (see section 7.1 „Local web server", page 21).
1. Extract air fan tacho
2. GND
3. Extract air fan PWM
A
4. Supply air fan tacho
5. GND
6. Supply air fan PWM
1. Extract air temperature sensor
2. Outdoor air temperature sensor
3. No use
B
4. Exhaust air temperature sensor
5. Supply air temperature sensor
N
L
N
L
T1
T1
110°C
110°C
M
Bypass
15
MB_A
MB_B
+24V
RS_A
RS_B
GND
see
NTC
GND
SS-1433
+24V
RS_A
RS_B
GND
+24V
D/I1
+24V
D/I2
Motherboard
YE-GN
1
2
3
Trans-
4
former
5
L
6
N
7
Internal humidity sensor
BN
8
BU
9
BN
10
BU
11
12
13
BN
14
BU
15
B
2 L
16
A
3 L
17
1 N
18
1 2 3 4 5 6
85499 234 SS-1431 22.02.22
unit must be connected to a
®
Fig. 30
MB_A
MB_B
+24V
RS_A
RS_B
GND
+24V
RS_A
RS_B
GND
+11V1
AN/I
GND
RM/I
RM/O
LAN
1
2
3
4
5
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