
34
Central Ventilation Units KWL EC.. S Pro/WW
Installation and Operating Instructions
Fig.34
■
Optional:
T
o be estab
lish-
ed on site f
or room air
dependent fireplaces!
Signal of saf
ety de
vice:
See man
ual.
■
Optional:
T
o be estab
lished on
site f
or room airdependent
fireplaces! Signal of saf
ety
de
vice:
See man
ual.
KWL-CO ,
Ar
t.Nr
.
4272
2
KWL-FTF
,
Ar
t.Nr
.
4273
KWL-V
OC
,
Ar
t.Nr
.
4274
15-24V~
/ 24V=
A1
GND
~
~
+-
A2
GND
EXT
Main s
witc
h
■
Mixing v
alve
■
W
ater pump
■
Boost
■
mode
External
■
s
witc
h
Fire
■
contact
F
an run
■
indication
Err
or
■
contact
Outdoor
■
air damper
(terminal 5),
e
xhaust air
damper
(terminal 6)
Air quality sensor
■
Main s
witc
h
■
KWL EC700 D:
3x1.5mm²,
14.3A,
230V~
~
KWL EC800 S:
3x1.5mm²,
14A,
230V
N'
N'
N'
N'
N'
N'
N'
N'
N'
N'
CANH
max.
40m
CANL
■
Contr
ol panel
+12V
B
SD
A
GND
25
26
27
28
29
30
CANH
CANL
+12V
B
A
GND
24V~/ 0-10V=
~~
+
0-10V
U
1
2
35
0-10V
GND
19
20
13
17
15
14
18
16
N.C
250V~
max.
2A
AC
1
250V~
max.
2A
AC
1
N
N
N
N
L3
L3
L2
L2
L1
L1
L1
PE
L
PE
■
P
otential free
7
9
8
10
5
6
LF1
LF2
24V+
24V+
12V+
12V+
GND
GND
CO2
CO2
GND
GND
GND
GND
■
T
erminal
■
T
erminal
■
Electr
onic boar
d A
■
Electr
onic boar
d B
■
Electr
onic boar
d A
■
Electr
onic boar
d A
(WHSH)
max.
0.1A,
20V
A
max.
0.1A,
20V
A
85499 161 SS-1370
07.06.19 S
.2
■
Modb
us
25
26
B
RS485
A
TCP
KWL EC1200 S:
5x1.5mm²,
5/12.1/12.1A,
400V~
KWL EC1400 D:
5x1.5mm²,
6/11.4/11.4A,
400V~
KWL EC1800 S:
5x1.5mm²,
10.5/6.6/6.6A,
400V~
KWL EC2000 D:
5x2.5mm²,
16/11/11A,
400V~
KWL EC2600 S:
5x1.5mm²,
12.4/12.4/12.4A,
400V~
■
T
emperature
sensor r
oom
56
55
Room
GND
NTC 10k
L-open
230V~
L-open
230V~
N
N
(STM 10 230V)
L out 230V
L out 230V
250V~
max.
2A
AC
1
N
L out 230V
L
PE
1
2
M
(WHSH)
7.4 Wiring plan SS-1370 (KWL EC.. S Pro/WW)
EN