15
Overview of electrical connections
1
2
3
4
5
6
7
8
9
X4
230 V~
aMG fÖ
aBY]
A
aBY]
B
aMY]
D
aMY]
E
L
N
230 V~
X2
X1
2
V7
s-]
B
lM]
G
lM]
F
lM]
E
V6
V5
s-]
A
lM]
D
lM]
C
lM]
B
lM]
A
1
V4
V3
V1
V2
aBY]
C
Fig. 7
AC-Box PCB
A
aMA
D
NC signal 230 V~: See page 16.
B
aMA
E
AC signal 230 V~: See page 16.
C
aMG
Shutdown signal for heat pump 230 V~: See
page 16.
D
fÖ
Power supply 230 V~: See page 19.
E
Message output if contact humidistat 24 V
–
has responded:
Floating changeover contact, contact breaking
capacity 10 to 30 V, 5 A
F
Contact humidistat 24 V
–
, 10 mA: See
page 18.
G
aBA
C
If contact humidistat 24 V
–
is connected to
F
,
remove the jumper.
H
aBA
B
Additional frost stat (accessories): Remove
jumper when connecting.
K
Frost stat connected at the factory
X1, X2 Terminal strip for valves and circulation pumps
connected at the factory
X4
Low voltage terminal strip
Note
If several contact humidistats are used, the switching
contacts must be connected as N/C contacts and in
series.
Installation sequence
Electrical connection
(cont.)
5675 895 GB
Installation
