Midea MDV-D Series, Installation Manual

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2.5
30m
3.5
50m
f 1.6mm 30
15
Single-phase
220V~ 50Hz
380V 3N~
50Hz
10~14
15~18
19~28
29~36
37~47
48~50
100
100
150
200
300
300
75
100
150
200
250
300
<20m <50m <50m
8
10
12
14
16
18
20
22
24
26
28
30
32
34
36
38
40
42
44
46
48
50
52
54
56
58
60
62
64
<20m
10 25
16
25
25
25
35
35
35
35
10
25
25
25
35
35
35
35
50
50
50
50
70
70
70
70
70
70
70
70
70
95
95
95
95
95
70
70
70
70
70
95
120
95
95
95
95
95
95
95
95
120
120
120
120
120
120
120
1
9
2
10
3
11
4
12
5
13
6
14
7
8
Total Hp
Total Hp
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
Total Hp
Manual
switch (A)
Fuse(A) Total Hp
Manual
switch (A)
Fuse(A)
Power cord
<Indoor unit>
Model
Item
Power
supply
Min. Power wire diameter mm 2
Manual switch
(A)
Leakage
protector
Grounding
wire
Capacity Fuse
20A 30mA
0.1sec or
less
Size Size
All
models
Non auxil
heater
Auxil
heater
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.
Single-phase 220V~ 50Hz
Indoor power supply
Leakage protector
Manual switch
Branch box
Indoor unit
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.
CAUTION
Signal wire of indoor/outdoor unit adopts 2-core
shielded wire (
0.75mm )which has polarity, please
connect it correctly.
2
Signal wire of
indoor/outdoor
units
Signal wire of indoor/outdoor units
Outdoor unit
(main unit)
Outdoor unit
(auxil unit)
Outdoor unit
(auxil unit)
Outdoor unit
(auxil unit)
Signal wire between outdoor units
(All shield terminals of shield wires
connect to COMM terminal E)
Group control
To closed end of shield wire
(Open)
CAUTION
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.)
Test running
Please follow the gist for test running on electric
control box cover.