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