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AA3-X7
The picture shows the relay in the alarm position.
When switch (SF1) is in the " " or " " position the relay
is in the alarm position.
External circulation pump, ground water pump or hot
water circulation pump connected to the buzzer alarm
relay as illustrated below.
NOTE
Mark up any junction boxes with warnings for
external voltage.
AA3-X7
Caution
The relay outputs can have a max load of 2 A
(230V ~).
Connecting
accessories
Instructions for connecting accessories are in the install-
ation instructions provided for the respective accessory.
See information at
nibe.eu
that can be used with F1145PC.
ACCESSORIES WITH CIRCUIT BOARD AA5
Accessories that contain circuit board AA5 are connected
to the heat pump terminal block AA3-X4: 13-15. Use
cable type LiYY, EKKX or similar.
28
Chapter 5 | Electrical connections
1 2 3
C NO NC
AA3-X7
1 2 3
C NO NC
AA3-X7
F1X45
F1145PC
External
Externt
L
N
PE
L
N
Circulation pump
for the list of the accessories
If several accessories are to be connected, connect the
first accessory card directly to the heat pump terminal
block. Other accessory boards are connected to the first
in series.
Because there can be different connections for accessor-
ies with circuit boards AA5, you should always read the
instructions in the manual for the accessory that you
are going to install.
EB100
AA3-X4
A
15
B
14
GND
13
Accessory card 1
AA5-X4
A
1
B
2
GND
3
A
4
B
5
GND
6
7
8
Accessory card 2
AA5-X4
A
1
B
2
PE
GND
3
A
4
B
5
GND
6
7
8
ACCESSORIES WITH CIRCUIT BOARD AA9
Accessories that contain the circuit board AA9 are con-
nected to the heat pump's terminal block X4:9-12 on
the input board AA3. Use cable type LiYY, EKKX or
equivalent.
Because there can be different connections for accessor-
ies with circuit boards AA9, you should always read the
instructions in the manual for the accessory that you
are going to install.
AA3-X4
AA3-X4
F1145PC
24
23
22
21
20
19
18
17
16
15
14
13
12
11
10
9
8
7
6
-X8
-X2
AA5-X4
-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
-X8
-X2
AA5-X4
-X4
1
2
3
4
5
6
7
8
Accessories
F1145PC
AA3-X4
AA9-X1
8
12V
9
A
10
B
11
GND
12
13
NIBE F1145PC
-X9
9
5
4
3
2
1
8
7
6
5
4
3
2
1
-X10
-X1
N
L
PE
PE
-X9
9
5
4
3
2
1
8
7
6
5
4
3
2
1
-X10
-X1
N
L
PE
PE
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