9.7.6 Connection for other components
Uint 4-16kW
1
2
3
4
SL1
SL2
H
13
14
15
TBH
IBH1
L1
Code
Print
1
SL1
①
2
SL2
3
H
②
4
C
15
L1
5
1ON
6 1OFF
③
16
N
7
2ON
④
8 2OFF
17
N
9
P_c
⑤
CN11
21
N
10 P_o
⑥
22
N
11 P_s
⑦
23
N
12
P_d
⑧
24
N
13 TBH
⑨
16
N
14 IBH1
⑩
17
N
N
18
19 3ON
11
20 3OFF
23
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.
5
6
7
8
9
10
11
12
25
P_c P_o P_s P_d
C
1ON
1OFF
2ON
2OFF
HT
16
17
18
19
20
21
22
23
24
29
N
N
N 3ON
3OFF
N
N
N
N
CN11
Connect to
Solar energy input
signal
Room thermostat input
(high voltage)
SV1(3-way valve)
CN30
SV1(3-way valve)
SV1(3-way valve)
SV2(3-way valve)
Pumpc(zone2 pump)
Outside circulation pump
/zone1 pump
Solar energy pump
CN7
DHW pipe pump
Tank booster heater
Internal backup heater 1
SV3(3-way valve)
1 2 3 4 5 6 7 8 9 10 11 12
13 14 15 16 17
18
19
20
21
22
23
CN11
Type 1
Running
43
26
27
28
1
2
3
4
5
R2
AHS1
AHS2
A
B
X
Y
E
30
31
32
6
7
8
9
10
N
R1
DFT2
DFT1
P
Q
E
H1
H2
CN7
CN30
Code
Print
Connect to
1
A
2
B
①
Wired controller
3
X
4
Y
5
E
6
P
②
Outdoor unit
7
Q
9
H1
③
Internal machine
Parallel
10
H2
Code
Connect to
Print
26
R2
Compressor run
30
R1
①
31
DFT2
Defrost run
32
DFT1
25
HT
Antifreeze E-heating
②
②
tape(external)
29
N
27
AHS1
③
Additional heat source
28
AHS2
②
26
1 2 3 4 5
30
24
6 7 8 9 10
CN7
CN30