Airwell WELLEA SPLIT A R3 Installationsanleitung Seite 46

Voltage
Maximum running current(A)
Wiring size(mm )
2
Control port signal type
10) For outside circulation pump P_o:
10
22
CN11
Power supply
7 5 3 1
A1
KM2
A2
8 6 4 2
Voltage
Maximum running current(A)
Wiring size(mm )
2
Control port signal type
a) Procedure
Connect the cable to the appropriate terminals as shown in
the picture.
Fix the cable with cable ties to the cable tie mountings to
ensure stress relief.
11) For backup heater:
For standard indoor unit 60，100，and 160 , there is no
internal backup heater inside the indoor unit, but the indoor
unit can be connected to an external backup heater, as
described in the picture below.
Voltage
Maximum running current(A)
Wiring size(mm )
2
Control port signal type
220-240VAC
0.2
0.75
Type 1
25 26 27 28
1 2 3 4 5
29 30 31 32
6 7 8 9 10
CN7 CN30
220-240VAC
0.2
0.75
Type 2
220-240VAC
0.2
0.75
Type 2
45
14
17
CN11
Power supply
7 5 3 1
A1
KM5
A2
8 6 4 2
TCO
ATCO
12) For smart grid:
The unit has smart grid function, there are two ports on PCB to
connect SG signal and EVU signal as following:
CN21
CN5 CN28
CN32
CN29
CN25
CN42
CN40
DIS1
CN41
S3 S4
CN22
CN1
CN2
1 2 3 4 5 6 7 8 9 10 11
13 14 15 16 17 18 19 20 21 22
CN11
25 26 27 28
1 2 3 4 5
29 30 31 32
6 7 8 9 10
CN7 CN30
CN24
CN8 CN6
CN16
CN13
CN15
CN18
S1 S2
CN31
CN4
CN35
CN36
SW9
CN17
12 25 26 27 28
1 2 3 4 5
23 24 29 30 31 32
6 7 8 9 10
CN7 CN30