8.8.6 Connection for other components
Unit 4-16kw
1
2
SL1
SL2
13
TBH
XT1
Code
Print
1
SL1
①
2
SL2
3
H
Room thermostat input
4
C
②
15
L1
5
1ON
6 1OFF
③
16
N
7
2ON
8 2OFF
④
17
N
9
P_c
⑤
CN11
21
N
10 P_o
Outside circulation pump
⑥
22
N
11 P_s
⑦
23
N
12
P_d
⑧
24
N
13 TBH
⑨
16
N
14 IBH1
Internal backup heater 1
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.
≥
3
4
5
6
7
8
9
10
11
P_c P_o P_s P_d
H
C
1ON
2ON
1OFF
2OFF
16
14
15
17
18
19
20
21
22
23
IBH1
L1
N
N
N 3ON
N
N
3OFF
CN11
Connect to
Solar energy input
signal
(high voltage)
SV1(3-way valve)
SV1(3-way valve)
SV1(3-way valve)
SV2(3-way valve)
Pumpc(zone2 pump)
/zone1 pump
Solar energy pump
DHW pipe pump
Tank booster heater
SV3(3-way valve)
39
12
25
26
27
28
1
2
3
4
HT
R2
AHS1
AHS2
A
B
X
29
24
30
31
32
6
7
8
N
N
R1
DFT2
DFT1
N
P
Q
E
CN7
CN30
Code
Print
1
A
2
B
①
3
X
4
Y
5
E
CN30
6
P
②
7
Q
9
H1
③
10
H2
Code
Print
26
R2
30
R1
①
31
DFT2
CN7
32
DFT1
25
HT
②
②
29
N
27
AHS1
③
28
AHS2
L
Indoor unit power
XT1
N
supplier
G
②
5
Y
E
9
10
H1
H2
Connect to
Wired controller
Outdoor unit
Internal machine
Parallel
Connect to
Compressor run
Defrost run
Antifreeze E-heating
tape(external)
Additional heat source