Nibe HTS 40, Installer Manual, Page: 45 / 68

GROUND-SOURCE HEAT PUMPS
F1145, F1155
Terminal block X1 on the humidity sensor board (AA28)
in HTS 40 is connected to terminal block AA3-X4:9-12
in the heat pump.
F11XX HTS 40
2
3
4
1
8
9
10
7
11
12
13
12V
A
B
GND
HTS 40 Heat pump
AA3-X4
AA28-X1
AA3-X4
F1245, F1255
Terminal block X1 on the humidity sensor board (AA28)
in HTS 40 is connected to terminal block AA3-X4:9-12
in the heat pump.
1 2 3 4
12 11 10 9 8 7
F12XX
HTS 40
12V A B GND
HTS 40
Heat pump
AA3-X4
AA28-X1
AA3-X4
F1345 WITH 2.0, F1355
Terminal block X1 on the humidity sensor board (AA28)
in HTS 40 is connected to terminal block AA101-X10:7-
10 in the heat pump.
4 1 2 3
F1345 2.0
HTS 40
6 7 8 9 10 11
1
2
V
A B
G
N
D
AA101-X10
AA28-X1
HTS 40
Heat pump
L1
-X3 -X4
1
2 3
-AA101 -AA101
N L2 L3 1 2 3 4 5 6 7 8 9
-X5
1 2 3 4 5 6 7 8 9
-X6
-X7 -X8 -X9
-FC1
-AA101 -AA101
-AA101 -AA101 -AA101
1 2 3 4 1 2 3 1 2 3 1 2 3 4 5
-X10
A B A B
-AA3-X7
K1
-AA101
K2 K3 C C NO NC
K4
C NO NC
QN10 GP16
L N L L L N N N L N L N PE PE
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
12V
A B 13 14
-BE1
-GP16
-BE2 -BE3 AUX 4 AUX 5
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15
-AA3
-X6
0-10V
-EP14 -EP15
-BF1
16 17 18 2
-AA3
-X22
-AA3
-AA3
-X20 -X21
1 3 1 2 3
-X23
-BT1 -BT50 -BT25 -BT6 AUX 1 AUX 2 AUX 3 -BT7 -BT71
2.0
1 2 3 4 5
-X10
A B A B
-AA101
6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22
1
2
V A B
13 14
-BE1
-GP16
-BE2 -BE3
AU
X
4
AU
X
5
0-10V
AA101:X10
F1345 WITHOUT 2.0
Terminal block X1 on the humidity sensor board (AA28)
in HTS 40 is connected to X6:4-7 on the terminal block
(X6) in the heat pump.
6 7 4 5
1 2 3 4
1
2
V
A
B
G
N
D
X6
HTS 40
Heat pump
AA28-X1
AA3-X6
EXHAUST AIR HEAT PUMPS
F370, F470, F730, F750
Terminal block X1 on the humidity sensor board (AA28)
in HTS 40 is connected to terminal block AA3-X4:9-12
in the heat pump.
1 2 3 4
12 11 10 9 8 7
F12XX
HTS 40
12V A B GND
HTS 40
Heat pump
AA3-X4
AA28-X1
AA3-X4
AIR/WATER HEAT PUMPS
INDOOR MODULES
VVM 225, VVM 310, VVM 320, VVM 325, VVM 500
Terminal block X1 on the humidity sensor board (AA28)
in HTS 40 is connected to terminal block AA3-X4:9-12
in the indoor module.
1 2 3 4
12 11 10 9 8 7
F12XX
HTS 40
12V A B GND
HTS 40
Indoor module
AA3-X4
AA28-X1
AA3-X4
45 HTS 40 | GB