71
Plug
sXD
Terminals
Function
Explanation
223.1
223.2
U
Central fault message
Floating contact:
■
Closed: Fault
■
Open: No fault
■
Not suitable for safety LV
Connection values (contact rating):
■
Voltage: 230 V~
■
Max. control current: 4(2) A
Cross connect PCB
Signal and safety connections
N
X3
9
F1
N
X2
X1
?
?
F1
L1 L'
N N'
18
L1
1 / N / PE
230 V / 50 Hz
3
2
1
N N N N N N N N N N N N N N N
1
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
6.3 A (slow)
17 16 15
14 13 12 11 10
8 7 6 5 4 3 2 1
5 4 3 2 1
X8
X4
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21
1
2
3
4
5
6
7
8
9
10
11
12
X5
X7
X6
A
Fig. 34
A
Plug-in connection, ON/OFF switch (not on cross
connect PCB)
F1
Fuse 6.3 A (slow)
X1
Terminals X1.
?
for earth conductors of
all
associated system components
X2
Terminals X2.N for neutral conductors of
all
associated system components
X3
■
Power supply terminals of control unit "L1"
and auxiliary components
■
Switched phase L1: X3.1, X3.2, X3.3, X3.7,
X3.11, X3.13, X3.16
■
Terminals for signal and safety connections
X5/X7 Connectors for connecting cable to heat pump
(230 V~ control cable)
X6/X8 Internally occupied terminals
Maintenance
Electrical connections on the heat pump control…
(cont.)
5800 917 GB
Maintenance