IOM SYSHP MINI HYDRO

35
8.8.6 Connection for other components
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
3 H
4 C
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
③
Print
①
Solar energy input
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)
CN11
SV2(3-way valve)
SV1(3-way valve)
⑧
⑨
⑩
11
○
DHW pipe pump
23 N
SV1(3-way valve)
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
�
2423
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
XT1
2ON
2OFF
P_c P_o P_s P_d
N
R1
TBH
N
N
3ON
3OFF
N N
CN11 CN7 CN30
Code
Connect to
1 A
2 B
3 X
4 Y
5 E
6
P
7 Q
9 H1
10 H2
CN30
Wired controller
Print
①
②
②
③
②
②
③
Code
Connect to
26 R2
30 R1
31 DFT2
32 DFT1
25 HT
29 N
27
AHS1
28
AHS2
Print
①
CN7
Compressor run
Antifreeze E-heating
tape(external)
Additional heat source
L
N
G
Indoor unit power
supplier
XT1
Outdoor unit
Internal machine
Parallel
Defrost run
≥