Helios 8327, Nstallation And Operating Instructions, Page: 69 / 112

EN
31
Central Ventilation Units KWL EC.. S Pro/WW
Installation and Operating Instructions
7.1 Wiring diagram 85 499 158 (KWL EC 1200 S)
Fig.33
56
55
54
53
52
51
50
49
48
47
46
45
44
43
42
41
40
39
25
57
51
19 25
38
26
58
52
20 26
37
27
59
21 27
36
28
60
22 28
35
29
61
23 29
34
30
62
24 30
33
32
31
IN1
Room
IN2
1
2
CANH
CANH
CANL
CANL
+12V
+12V
B
B
SD
B
+12V +12V
B
A
A
A
A
BYP
ASS
3
4
5
6
7
LL
24V+ 12V+
LF1
+
INT
+ -
GND
GND CO2 GND GND
OUT
GND
GND
GND
GND
GND
GND
GND
NTC 10k
NTC 10k
NTC 10k
NTC 10k
NTC 10k
GND
GND
GND
GND
GND
GND
GND
GND
GND
+
0-10
0-10
24V
0-10
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
50
49
48
47
46
45
44
43
42
41
40
39
38
37
36
35
34
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
31 32 33
PWM
PWM
TK
TK
RPM
RPM
PWM
PWM
TK
TK
Int2
Int1
Ext3
Ext2
Ext1
CO2
PE
PE DC12V
L N L
Fu
LF2
FUSE
I-BUS
I-B
US
I-BUS I-BUS
RELAY
RELAY
RELAY
RELAY
RELAY
RELAY
RELAY
RELAY
RELAY
GND GND
A1
A2
L1' L2' L3'
N'
N'
N'
LF
LF
N'
L1'
Reset
M
MM
PE
PE
NN
LL
N' N' N'
N
L1 L2 L3
N' N'
L1' L2' L3'
N
W
AT
-OUT
GND
NTC 10k
LF LF
A1-60
A1-57
YE
BK
BN
YE
YE
BU
BU
WH
WH
WH
WH
A2-50
A1-62
FUSE
Suppl
y fan
■
Extract fan
■
■
Contr
ol panel
Fuse f
or fans
■
Main s
witc
h
■
Electronic board A
Electronic board B
10m 8p inc
l.
85499 158 11.06.19 S
.2
GND
SSR
4-
3+ 2
1
5.7kW
Preheater
■
6.3A
T
exhaust air (red)
OnlyWW: (pink)
T -W ater outlet
extr act air (orange)
supply air duct (white)
outdoor air (blue)
supply air (green)
5x1.5mm², 5/12.1/12.1A, 400V~
1
2
3 7 5 9
4 8 6
10
belo
w
,
high pressure
abo
ve
,
low pressure
EXTRA
CT
FIL
TER
SUPPL
Y
FIL
TER
SUPPL
Y
PRESSURE EXHA
UST
AIR
V
OLUME
SUPPL
Y
AIR
V
OLUME
1
2
3 7 5 9
4 8 6
10
Pressure tubes
L N
12VDC
L N
24VDC
■
L out 230V
2A
T
L