Electrical connections
NOTE
All electrical connections must be carried out
by an authorised electrician.
Electrical installation and wiring must be car-
ried out in accordance with the stipulations in
force.
The indoor module must not be powered
when installing SCA 35.
The electrical circuit diagram is at the end of this In-
staller handbook.
Connecting communication
This accessory contains an accessory card (AA5) that
must be connected directly to the indoor module on
the input card (terminal block AA3-X4).
If several accessories are to be connected or are already
installed, the following instructions must be followed.
The first accessory card must be connected directly to
the indoor module's terminal block AA3-X4. The follow-
ing cards must be connected in series with the previous
card.
Use cable type LiYY, EKKX or similar.
1
2
3
4
5
6
7
8
AA5-X4
15
A
B
GND
A
B
GND
A
B
GND
A
B
GND
A
B
GND
14
13
AA3-X4
1
2
3
4
5
6
7
8
AA5-X4
990
$FFHVVRU\ FDUG
$FFHVVRU\ FDUG
ON
12345678
-X9
-X2
24
20
21
22
23
15
16
17
18
19
10
11
12
13
14
5
6
7
8
9
1
1
N
L
PE
PE
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
9
2
3
4
-X8
-X4
-X10
-X1
$$;
ON
12345678
-X9
-X2
24
20
21
22
23
15
16
17
18
19
10
11
12
13
14
5
6
7
8
9
1
1
N
L
PE
PE
1
2
3
4
5
6
7
8
2
3
4
5
6
7
8
9
2
3
4
-X8
-X4
-X10
-X1
$$;
(%
VVM 310
$$;
Connecting the supply
Connect the power supply to terminal block X1 as illus-
trated.
3
2
1
N
230V 50Hz
-X1
L
PE
8QLW ER[
([WHUQDO
12
GB
Summary of Contents for SCA 35
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Page 36: ...36 Elschema Wiring diagram Elektrischer schalt plan Sähkökytkentäkaavio El diagram ...
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