Midea V5 X VRF Series Betriebsanleitung

Model:

Technical Service Manual

V5 X Series VRF

3 phase, 380-415V, 50Hz

MV5-X224W/V2GN1-AU

MV5-X280W/V2GN1-AU

MV5-X335W/V2GN1-AU

MV5-X400W/V2GN1-AU

MV5-X450W/V2GN1-AU

MV5-X500W/V2GN1-AU

001 Part 1 General Information

013 Part 2 Selection Procedure

019 Part 3 Specifications & Performances

082 Part 4 Installation

129 Part 5 Troubleshooting

Contents

MCAC-VTSM-2015-10 R410AAll DC Inverter V5 X Series 50Hz

General Information 1

Part 1 General Information

1. Features..........................................................................................................2

2. Outdoor units.................................................................................................7

3. Indoor units lineup.......................................................................................11

4. Nomenclature...............................................................................................12

R410AAll DC Inverter V5 X Series 50Hz MCAC-VTSM-2015-10

2 General Information

1. Features

1.1 Energy saving

V5 X Series achieves the industry's top class energy efficiency in cooling and heating by utilizing all DC

inverter compressors, all DC fan motors, and high efficiency heat exchanger.

1.1.1 High EER and COP values

The cooling EER is up to 4.7 and the heating COP is up to 5.6 in the 8HP category.

1.1.2 All DC inverter compressors

The DC inverter compressor adopts innovative design and numerous high performance key parts which can

reduce power consumption by 25%.

1.1.3 All DC fan motors

The system controls the speed of the fan motor according to the system pressure and system load achieving

the minimum power consumption.

EER

COP

8HP

10HP

12HP

14HP

16HP

18HP

20HP

22HP

8HP

10HP

12HP

14HP

16HP

18HP

20HP

22HP

4.7

4.5

4.3

4.1

3.9

3.86

3.74

5.6

5.3

4.9

4.8

4.6

4.25

4.12

4.03

15 steps vector control

Low

High

More compact, weight,

reduced by 50%

Specially designed

scroll profile for R410A

New structure enhances

mid-frequency performance

Advanced permanent

magnet DC motor improves low-

frequency band performance

MCAC-VTSM-2015-10 R410AAll DC Inverter V5 X Series 50Hz

General Information 3

1.1.4 High efficiency heat exchanger

Newly designed window type fins enlarge the heat exchange area and decrease air resistance, enhance

heat exchange performance and save more energy.

Hydrophilic fins and internally threaded copper pipes optimize heat exchange efficiency.

δdesign increases the hot liquid rate in the condenser and improves the heat-exchange efficiency.

1.2 Flexible design

1.2.1 Wide capacity range

V5X Series has extensive capacity ranging from 8HP to 72HP, meets all customer requirement concerning

small to large buildings.

1.2.2 Wide operation range

V5X Series operates stably under extreme conditions, ranging from minus 20°C to 48°C.

43oC

75oC

Liquid

Gas

New design

Original design

Cooling mode

Heating mode

-20oC

24oC

-5oC

48oC

R410AAll DC Inverter V5 X Series 50Hz MCAC-VTSM-2015-10

4 General Information

1.2.3 Flexible piping design

*The longest piping length is 40m standard. It can be

extended to 90m. When the length is over 40m, please

refer to installation part for more information and

restrictions.

Total piping length

1000m

Longest length actual (Equivalent)

175(200)m

Longest length after first branch

90*m

Level difference between indoor

and outdoor units - ODU up (down)

90(110)m

Level difference between indoor units

30m

1.2.4 High external static pressure

High-static pressure propeller and optimized fan guard can adapt to various installation environments.

V5 X Series units offer up to 60Pa external static pressure for customized applications. A standard 0-20Pa

function is equipped by default.

1.3 High reliability

1.3.1 Cycle duty operation

The cyclical start-up sequence of outdoor units and DC inverter compressors equalized compressor duty and

extends operating life

1.3.2 Back-up function

In a multiple system, if one module is failed, other modules can be backup instead of the failed one for

continuing operation.

Longest actual piping length 175m

Level difference between IDU~ODU 110m

Level difference

between IDU~IDU 30m

MCAC-VTSM-2015-10 R410AAll DC Inverter V5 X Series 50Hz

General Information 5

1.3.3 Precise oil control technology

5 stages oil control technology ensures all outdoor unit and compressor oil is always kept at a safe level,

completely solving any compressor oil shortage problems.

1st stage: Compressor internal oil separation.

2nd stage: High efficiency centrifugal oil separator (separation efficiency up to 99%) ensures oil

separated from the discharge gas is returned to the compressors.

3rd stage: Oil balance pipes between compressors ensure even oil distribution to keep compressors

running normally.

4th stage: Oil balance pipes among modules ensure even oil distribution among modules.

5th stage: Auto oil return program by monitoring the running time and system status ensures reliable oil

return.

1.4 Enhanced comfort

1.4.1 Night silent operation mode

Night Silent Mode feature which is easily set on the PCB board allows the unit to be set to various time options

during Non-peak and Peak operation time minimizing the units noise output.

1.4.2 Intelligent defrosting technology

Intelligent defrosting program will judge the defrosting time according to the system real requirement, reduce

heating loss caused by unnecessary defrosting and create more comfort.

Defrosting time can be shortened to 4 min. due to the specialized defrosting valve.

R410AAll DC Inverter V5 X Series 50Hz MCAC-VTSM-2015-10

6 General Information

1.5 Easy installation and service

1.5.1 Auto addressing

Outdoor unit can distribute addresses for indoor units automatically.

Wireless and wired controllers can query and modify each indoor unit's address.

1.5.2 Simple communication wiring

Centralized controller (CCM03 or CCM30) can be connected from indoor side or outdoor side (XYE terminals)

at will.

With one set of wires, we can achieve the network communication and system communication, making

installation at site more convenient.

1.5.3 Rotatable electric box

The newly designed rotating control box can rotate on a maximum of 150 degree. It is convenient for the

inspection and maintenance of the pipeline system and greatly reduces the dismount time of the electric

control box.

X Y E

P Q E

MCAC-VTSM-2015-10 R410AAll DC Inverter V5 X Series 50Hz

General Information 7

2. Outdoor units

Outdoor units lineup

The outdoor units capacity ranges from 8HP up to 88HP in 2HP increments, a max. combination of 4 basic

models.

8,10,12HP

14,16,18HP

20~36HP

38~54HP

56~72HP

R410AAll DC Inverter V5 X Series 50Hz MCAC-VTSM-2015-10

8 General Information

Standard combination

Capacity

Combination type

Max. quantity of

connectable indoor units

Cooling

capacity

Heating

capacity

8HP

22.4

10HP

31.5

12HP

33.5

37.5

14HP

16HP

8+10HP

50.4

56.5

10+10HP

8+14HP

62.4

10+14HP

76.5

12+14HP

73.5

82.5

14+14HP

14+16HP

16+16HP

100

10+12+12HP

106.5

12+12+12HP

100.5

112.5

10+12+16HP

106.5

119

12+12+16HP

112

125

12+14+16HP

118.5

132.5

12+16+16HP

123.5

137.5

14+16+16HP

130

145

16+16+16HP

135

150

8+10+16+16HP

140.4

156.5

10+10+16+16HP

146

163

10+12+16+16HP

151.5

169

10+14+16+16HP

158

176.5

10+16+16+16HP

163

181.5

12+16+16+16HP

168.5

187.5

14+16+16+16HP

175

195

16+16+16+16HP

180

200

16+16+16+18HP

185

206

16+16+18+18HP

190

212

16+18+18+18HP

195

218

18+18+18+18HP

200

224

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