EN
16
Compact wall-mounted units KWL EC 500 W ET R/L
Installation and Operating Instructions
5 .1 Wiring plan
Fig .47
M1
EC
L
N
T4A/250V~
85334 002 29.11.18
N
14
13
N
11
10
9
8
7
6
5
4
N
N
1
46
45
44
43
42
41
40
39
38
37
36
35
34
33
32
31
30
29
28
27
26
25
24
23
22
F2A/250V~
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
M2
EC
L
N
RJ-12 RJ-10
RJ-45
1
8
1
6
1
4
BUS-GND
Digital-B
US
4
RS485-B
3
RS485-A
2
BUS +24 V
1
Bypass, 0-10 V
GND
Bypass, +/-
+ 24V=
GND
GND
BUS-GND
BUS +24 V
free
BU
WH
YE
BU
YE
PE 1
PE 1
M1
M2
Bypass, +/-
N
L
PE
1
8
1
6
1
4
LAN
AnalogDigital
1
8
1
6
1
4
LED 2
LED 1
LED 4
LED 3
RJ-45
RJ-12
RJ-10
PIN
LAN
Analog
Digital
1
TX+
+24,5 V / I max 0,9 A
+24,5 V / I max 0,9 A
2
TX-
0 - 10 V fan level
BUS A
3
RX+
3,9 - 5,9 V Offset
BUS B
4
TC
LED red
GND
5
RC
LED green
x
6
RX-
GND
x
7
free
x
x
8
GND
x
x
F1
F2
micro
SD
+
-
(=RJ-10)
S1,
safety-
switch
1
N
PE 1
1)
1
2
3
-
+~
+~Y
LM24A-K-C1 VAL
1
0
+ 24V *
+ 24V *
PE
2)
2) protective conductor current > 3,5 mA
External supply with 2 x PE or 1 x PE > 10 mm²
according to EN 50178
BU
WH
YE
BU
WH
YE
37
36
35
34
33
32
*
2
1
4
3 5
6
7
8
8
1
top
Colour code
according to IEC 757
BK-sw-schwarz-black-noir
BN-br-braun-brown-marron
RD-rt- rot-red-rouge
OG-or-orange
YE-ge-gelb-yellow-jaune
GN-gn-grün-green-vert
BU-bl-blau-blue-bleu
VT-vi-violett-voilet
GY-gr-grau-grey-gris
WH-ws-weiß-white-blanc
PK-rs-rosa-pink-rose
E
Basic motherboard
interface board
casing
shielded
unit supply,
2 m 3 x 1,5 mm² 230 V~
suppressor capacitor
X2, 0.33 µF, 275 V~
ENEC
Prog
ramming
green
yellow
delivery:
JP1 plugged Jumper
= terminal resistance120 Ohm active
Remove jumper when using terminals
43/44/45/46.
heating
control 230V~,
max. 2,4 kW
1) Saf
ety shutdo
wn
illustr
ated as an e
xample
Preheating
(accessories)
KWL ... R: 40 open, 39 closed
KWL ... L: 39 open, 40 closed
backside
F-Sensor
used air
Detailed plan:
Nr. 85410-003
Attention!!
Incorrect connection
destroys the electronics
red
green
free
open
Relais 1
used/exhaust air
Relais 2
outside/supply air
clock buffer
battery
CR 2032, 3 V
WH
RD
BK
PWM, supply air speed
0-10V, supply air conrol
PWM, used air speed
0-10V, used air control
control of
used/exhaust
air fan
control of
outside/
supply
air fan
NTC-Sensor
supply air T2
NTC-Sensor
outside air T1
NTC-Sensor
exhaust air T4
NTC-Sensor
used airT3
PE 1
heat sink
PE 2
mounting plate
unit supply
WH
suppressor choke
Choke, ITR 701141,
L 5,6 mH, 47-63 Hz,
Irms 3.2A