Nibe PCM 40 Installateurhandbuch Seite 23

Connecting communication
This accessory contains an accessories card (AA5) that
must be connected directly to the heat pump on the in-
put 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 heat pump's terminal block AA3-X4. The following
cards must be connected in series with the previous card.
The communication cable (W102, length 2,5 metres) is
factory fitted and connected according to the table be-
low.
Colour Heat pump
(AA3-X4)
White (A)
Brown (B)
Green (GND)
EB100
AA3-X4
AA3-X4
A
15
B
14
GND
13
F1145/F1155
Accessory card 1
AA5-X4
A
1
B
2
GND
3
A
AA5-X4
4
B
5
GND
6
7
8
Accessory card 2
AA5-X4
A
1
B
2
GND
3
AA5-X4
A
4
B
5
GND
6
7
8
Connecting the supply
PCM 40/42 is factory fitted with power cable and plug
(W101, length 3,0 metres).
PCM 40/42 | GB
Another access-
ory board (AA5-
X4)
15 4
14 5
13 6
AA3-X4
F1245/F1255
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2
-X8
-X2
-X4
1
2
3
4
5
6
7
8
24 23 22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2
-X8
-X2
-X4
1
2
3
4
5
6
7
8
Overview accessory board
24 23
-X8
-X2
-X4
1
2
3
4
5
6
7
8
External blocking
Use cable type LiYY, EKKX or similar.
A contact (NO) can be connected to AA5-X2:23-24 to
block cooling operation. When the contact closes, cool-
ing operation is blocked.
External blocking
External
Unit box
24 23 22
AA5-X2
Connecting sensors
The sensor EQ1-BT25 must be connected to one of the
heat pump's AUX inputs.
-X9
9
1
8
7 Selectable inputs on the input board for these functions
6
5
4
3 are:
2
1
-X10
AUX1
-X1
N
L
PE
PE
AUX2
AUX3
AUX4
AUX5
-X9
9
1
8
When the sensor is connected to one of five special
7
6
5
4
outputs, the correct function must be selected for the
3
2
1
-X10 correct connection in the heat pump's software (EQ1-
-X1
N
BT25).
L
PE
PE
AA5-X2
22 21 20 19 18 17 16 15 14 13 12 11 10 9 8 7 6 5
21 20 19 18 17 16 15
X6:9-10
X6:11-12
X6:13-14
X6:15-16
X6:17-18
AA5-X9
-X9
9
4 3 2 1
8
7
6
5
4
3
2
1
-X10
-X1
N
L
PE
PE
14 13
23