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Voltage
Maximum running current(A)
2
Wiring size(mm
)
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
14
17
Power supply
7 5 3 1
A1
KM5
A2
8
6
4
2
TCO
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
CN42
CN40
DIS1
CN41
S3
CN22
CN1
CN2
1
2
3
4
5
6
7
8
13
14
15
16
17
18
19
CN11
41
25 26
27 28
1 2 3 4 5
29 30 31 32
6 7 8 9 10
CN11
CN7
CN30
ATCO
CN8
CN25
S1
S2
S4
CN4
SW9
CN17
9
10
11
12
25
26
27
28
1
2
20
21
22
23
24
29
30
31
32
6
CN7
CN24
CN6
CN16
CN13
CN15
CN18
CN31
CN35
CN36
3
4
5
7
8
9
10
CN30
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