1.96
Climate Controller Type 148941 / Type 148942 / Type 148943 / Type 148944
Operation manual
28
9.6 Cabling Diagram
2*
W2
1
G
ND
2
2
0
-
1
0V
1
N
L
3
1
L
N
1
2
1
2
D
ig
it
a
l
In
p
u
t
2
*1
p
o
te
n
ci
a
l-
fr
ee
c
o
n
ta
c
t
e
.g
.
W
in
d
o
w
C
o
nt
a
c
t
P
re
se
n
ce
C
o
n
ta
c
t
K
e
yc
a
rd
-S
w
itc
h
S
w
itc
h
H
/C
E
co
/D
a
y
E
rr
o
r
N
o
ti
fic
a
ti
on
1
2
D
ig
it
a
l
In
p
u
t
2
3
0
V
A
C
e
.g
.
W
in
d
o
w
C
o
nt
a
c
t
P
re
se
n
ce
C
o
n
ta
c
t
K
e
yc
a
rd
-S
w
itc
h
S
w
itc
h
H
/C
E
co
/D
a
y
E
rr
o
r
N
o
ti
fic
a
ti
on
2
3
0
V
A
C
p
ro
te
c
tio
n
e
x
fa
ct
o
ry
L
PE
N
3
4
2
0-10V
GN
D
2
1
4
A2
1
5
A1
2
8
N
1
7
L
2
6
L
2
2
12
E2
11
E2
1
2*
W1
1
2
D
ig
it
a
l
In
p
u
t
1
p
o
te
n
ci
a
l-
fr
ee
c
o
n
ta
c
t
e
.g
.
W
in
d
o
w
C
o
nt
a
c
t
P
re
se
n
ce
C
o
n
ta
c
t
K
e
yc
a
rd
-S
w
itc
h
S
w
itc
h
H
/C
E
co
/D
a
y
E
rr
o
r
N
o
ti
fic
a
ti
on
or
e
x
te
rn
a
l
ro
o
m
s
e
n
s
o
r
N
T
C
1
0
K
2
10
E1
9
E1
1
3
W3
3
W4
3
W5
W4
W5
3
*1
)
D
ig
ita
l
In
p
u
t
2
i
s
o
m
itt
e
d
b
y
ty
p
e
19600014
8943
&
19600014894
4.
In
e
xc
h
a
n
g
e
:
M
o
d
b
u
s
in
te
rf
a
ce
w
ith
w
ir
e
ty
p
e
2
**
W4
3
4-p
ip
e h
ea
tin
g
2-p
ip
e h
ea
tin
g/c
oo
l in
g
4-p
ip
e co
olin
g
2*
W6
W4
W5
W6
S
e
c
o
n
d
ar
y
a
ir
d
e
v
ic
e
1
N
L
3
1
L
N
1
2
L
N
N
3
4
2
0-10V
GN
D
2
1
S
e
c
o
n
d
ar
y
a
ir
d
e
v
ic
e
2
W6
3
2*
3
3
2*
C
li
m
a
te
C
o
n
tr
o
ll
e
r
2
3
0
V
/
5
0
H
z
/
<
3
V
A
/
0
-1
0
V
D
C
Va
lv
e 2
Va
lv
e 1
4-p
ip
e h
ea
tin
g
2-p
ip
e h
ea
tin
g/co
olin
g
4-p
ip
e co
olin
g
Va
lve
2
Va
lve
1
Fa
n sp
ee
d
Fa
n sp
ee
d
Op
era
tin
g
volta
ge
23
0V
A
C
Op
era
tin
g
vo
lta
ge
23
0V
A
C
W1:
Potential-free contact or external sensor
W2:
Potential-free contact (type: 196000148941 & 196000148942)
Modbus interface (type: 196000148943 & 196000148944) **
)
W3:
Contact 230 V
W4:
Power supply
W5:
Heating/cooling N/O contact
W6:
Control signal for the fan
*:
Shielded cables (e.g. IY(ST)Y 0.8 mm) or similar. Lay separately from high-voltage cables.
**:
Shielded, paired cables, e.g UNITRONIC® BUS LD 2x2x0.22 or similar. Lay separately from high-voltage cables.
Refer to the secondary ventilation unit documentation in the event of deviation from the circuit diagrams!