Port provide the control signal to the load.Two kind of control signal port:
Type 1：Dry connector without voltage.
Type 2：Port provide the signal with 220V voltage. If the current of load is <0.2A, load can connect to the port directly.
If the current of load is >=0.2A, the AC contactor is required to connected for the load.
unit 4-16kW
Code
Connect to
1 SL1
2 SL2
3H
4C
15 L1
5
1ON
6
1OFF
16 N
7
2ON
8
2OFF
17
N
9 P_c
21 N
10 P_o
22 N
11
P_s
12 P_d
24 N
13 TBH
16 N
14 IBH1
17 N
18
19
3ON
N
23
①
signal
②
Room thermostat input
（high voltage）
Tank booster heater
Internal backup heater 1
SV3(3-way valve)
④
⑤
⑥
⑦
Outside circulation pump
/zone1 pump
Pumpc(zone2 pump)
SV2(3-way valve)
⑧
⑨
⑩
11
DHW pipe pump
23 N
SV1(3-way valve)
Solar energy pump
20
3OFF
1
SL1
2
SL2
3
�H
4
C
5
�
6
1ON
7
1OFF
8
9 10
�
11
�
12
�
2 42 3
N
21
N
20
IBH1
19
18
13 14
L1
15
16
17
N
22
25
�����HT
29
��
30
31
DFT2
32
DFT1
26
����R2
27
AHS1
28
AHS2
1
A
2
B
3
X
4
Y
5
E
6
P
7
Q
8
E
9
H1
10
H2
2ON
2OFF
P_c P_o P_s P_d
N
R1
TBH
N
N
3ON
3OFF
NN
CN11 CN7 CN30
1A
2B
3X
4Y
5E
6
P
7Q
9 H1
10 H2
Wired controller
①
②
③
②
③
26 R2
30 R1
31 DFT2
32 DFT1
25 HT
29 N
27
AHS1
28
①
CN7
Antifreeze E-heating
tape(external)
Additional heat source
Outdoor unit
Internal machine
cascade
Defrost run
1
2
3
4
5
6
7
8
9
10
�
11
�
12
�
2 42 3
21
2019
18
13
����
1415
16
17
CN11
22
30
26
1
2
3
4
5
6
7
8
9
10
CN30CN7
Type 1 Running
9.7.6 Connection for other components
Installation and operation manual - air-water heat pump Prima © All rights reserved - Galmet Sp. z o.o. Sp. K.132
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