Airwell WELLEA SPLIT A R3 Installationsanleitung Seite 40

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