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<20m
<50m
Total Hp
10
25
8
10
10
25
12
25
16
14
25
35
16
25
35
18
25
35
20
25
35
22
35
70
24
70
35
26
35
70
28
70
35
30
50
70
32
50
70
34
50
70
36
50
70
Select the capacity of manual switch and fuse of the branch box.
(1) See following table when without power facilities,
depends on the outdoor unit it connecting to.
(2) See table below when there is power facility,
depends on the total horsepower.
Total horsepower, capacity of manual switch and fuse
Manual
Fuse(A) Total Hp
Total Hp
switch (A)
10~14
100
75
15~18
100
100
19~28
150
150
<Indoor unit>
Power cord
Item
Min. Power wire diameter mm
Power
supply
Model
Size Size
Single-phase
Non auxil
2.5
All
220V~ 50Hz
heater
models
30m
Auxil
380V 3N~
heater
50Hz
Note: The length in the table equals the value of power cord
connecting parallel indoor units, indicating the condition
that the voltage dropping range is within 2%. If the length
exceeds the above figure, please select the wire diameter
according to relevant standard.
<20m
<50m
Total Hp
38
70
95
40
95
70
42
70
95
44
95
70
46
95
70
48
70
95
50
95
120
95
52
120
54
95
120
56
95
120
58
120
95
60
95
120
95
120
62
120
64
95
Manual
Fuse(A)
switch (A)
29~36
200
200
37~47
300
250
48~50
300
300
Manual switch
2
(A)
Leakage
protector
Grounding
Capacity Fuse
wire
3.5
20A 30mA
f1.6mm 30
15
0.1sec or
50m
less
Indoor power supply
Single-phase 220V~ 50Hz
Leakage protector
Manual switch
1
2
9
10
1. Set refrigerant piping system, signal wires between
indoor-indoor unit, and that between outdoor-outdoor unit
into one system.
2. Please do not put the signal wire and power wire in the
same wire tube; keep distance between the two tubes.
(Current capacity of power supply: less than 10A--300mm,
less than 50A--500mm.)
3. Make sure to set address of outdoor unit in case of parallel
multi-outdoor units.
Signal wire of indoor/outdoor unit adopts 2-core
shielded wire ( 0.75mm )which has polarity, please
connect it correctly.
Signal wire of indoor/outdoor units
Outdoor unit
Outdoor unit
Outdoor unit
(main unit)
(auxil unit)
(auxil unit)
Signal wire between outdoor units
To closed end of shield wire
Signal wire of
indoor/outdoor
units
(Open)
Test running
Please follow the
control box cover.
1. Do not start test running until the outdoor
unit has been connected to the power for 12hr.
2. Make sure to open all valves before test running.
3. Do not make forced running .(Or the protection
device will not work, which is very dangerous.)
Branch box
3
6
4
5
Indoor unit
11
12
14
13
CAUTION
2
Outdoor unit
(auxil unit)
(All shield terminals of shield wires
connect to COMM terminal E)
Group control
gist for test running on electric
CAUTION
7
8
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