Midea V6 Series User manual

Commercial Air Conditioners

R410A

Series

MV6-252WV2GN1-E

MV6-280WV2GN1-E

MV6-335WV2GN1-E

MV6-400WV2GN1-E

MV6-450WV2GN1-E

MV6-500WV2GN1-E

MV6-560WV2GN1-E

MV6-615WV2GN1-E

MV6-670WV2GN1-E

MV6-730WV2GN1-E

MV6-785WV2GN1-E

MV6-850WV2GN1-E

MV6-900WV2GN1-E

Service

Manual

V6 VRF 50Hz

CONTENTS

Part 1 General Information............................................................................ 3

Part 2 Component Layout and Refrigerant Circuits ................................... 11

Part 3 Control ............................................................................................... 33

Part 4 Field Settings..................................................................................... 49

Part 5 Electrical Components and Wiring Diagrams .................................. 55

Part 6 Diagnosis and Troubleshooting......................................................... 69

V5 X VRF 50Hz

Midea V6 Series Service Manual

V6 VRF 50Hz

Part 1 - General Information

Part 1

General Information

1 Indoor and Outdoor Unit Capacities .................................................. 4

2External Appearance ............................................................................ 6

3 Outdoor Unit Combinations ................................................................ 8

4 Combination Ratio ............................................................................... 9

V6 VRF 50Hz

Midea V6 Series Engineering Data Book

1Indoor and Outdoor Unit Capacities

1.1 Indoor Units

1.1.1 Standard indoor units

Table 1-1.1: Standard indoor unit abbreviation codes

Abbreviation

code

Type

Abbreviation

code

Type

One-way Cassette

High Static Pressure Duct

Two-way Cassette

Wall-mounted

Q4C

Compact Four-way Cassette

Ceiling & Floor

Four-way Cassette

Floor Standing

Medium Static Pressure Duct

Console

Table 1-1.2: Standard indoor unit capacity range

Capacity

index

Q4C

1.8

0.6

—

2.2

0.8

—

2.8

—

3.6

1.25

—

4.5

1.6

—

5.6

—

7.1

2.5

—

8.0

—

9.0

3.2

—

10.0

3.6

100

—

100

—

11.2

112

—

112

—

112

—

14.0

140

—

140

—

140

—

16.0

160

—

160

—

160

—

20.0

200

—

200

—

25.0

250

—

250

—

28.0

280

—

280

—

40.0

400

—

400

—

45.0

450

—

450

—

56.0

560

—

560

—

1.1.2 Fresh air processing unit

Table 1-1.3: Fresh air processing unit capacity range

Capacity

12.5kW

14kW

20kW

25kW

28kW

Capacity index

125

140

200

250

280

1.2 Heat recovery ventilator

Table 1-1.4: Heat recovery ventilator capacity range

Capacity

200m3/h

300m3/h

400m3/h

500m3/h

800m3/h

1000m3/h

1500m3/h

2000m3/h

V6 VRF 50Hz

Part 1 - General Information

1.3 Outdoor Units

Table 1-1.5: Outdoor unit capacity range

Capacity

Model Name

Combination Type

8HP

MV6-252WV2GN1

10HP

MV6-280WV2GN1

12HP

MV6-335WV2GN1

14HP

MV6-400WV2GN1

16HP

MV6-450WV2GN1

18HP

MV6-500WV2GN1

20HP

MV6-560WV2GN1

22HP

MV6-615WV2GN1

24HP

MV6-670WV2GN1

26HP

MV6-730WV2GN1

28HP

MV6-785WV2GN1

30HP

MV6-850WV2GN1

32HP

MV6-900WV2GN1

34HP

MV6-950WV2GN1

12HP+22HP

36HP

MV6-1015WV2GN1

14HP+22HP

38HP

MV6-1065WV2GN1

16HP+22HP

40HP

MV6-1120WV2GN1

12HP+28HP

42HP

MV6-1175WV2GN1

20HP+22HP

44HP

MV6-1230WV2GN1

22HP+22HP

46HP

MV6-1285WV2GN1

22HP+24HP

48HP

MV6-1345WV2GN1

22HP+26HP

50HP

MV6-1400WV2GN1

22HP+28HP

52HP

MV6-1460WV2GN1

26HP+26HP

54HP

MV6-1515WV2GN1

26HP+28HP

56HP

MV6-1570WV2GN1

28HP+28HP

58HP

MV6-1635WV2GN1

28HP+30HP

60HP

MV6-1685WV2GN1

28HP+32HP

62HP

MV6-1750WV2GN1

30HP+32HP

64HP

MV6-1800WV2GN1

32HP+32HP

66HP

MV6-1850WV2GN1

12HP+22HP+32HP

68HP

MV6-1915WV2GN1

14HP+22HP+32HP

70HP

MV6-1965WV2GN1

16HP+22HP+32HP

72HP

MV6-2020WV2GN1

12HP+28HP+32HP

74HP

MV6-2075WV2GN1

20HP+22HP+32HP

76HP

MV6-2130WV2GN1

22HP+22HP+32HP

78HP

MV6-2185WV2GN1

22HP+24HP+32HP

80HP

MV6-2245WV2GN1

22HP+26HP+32HP

82HP

MV6-2300WV2GN1

22HP+28HP+32HP

84HP

MV6-2360WV2GN1

26HP+26HP+32HP

86HP

MV6-2415WV2GN1

26HP+28HP+32HP

88HP

MV6-2470WV2GN1

28HP+28HP+32HP

90HP

MV6-2535WV2GN1

28HP+30HP+32HP

92HP

MV6-2585WV2GN1

28HP+32HP+32HP

94HP

MV6-2650WV2GN1

30HP+32HP+32HP

96HP

MV6-2700WV2GN1

32HP+32HP+32HP

Notes:

1. The combinations of units shown in the table are factory-recommended. Other combinations of units are also possible.

V6 VRF 50Hz

Midea V6 Series Engineering Data Book

2External Appearance

2.1 Indoor Units

2.1.1 Standard indoor units

Table 1-2.1: Standard indoor unit appearance

One-way Cassette

Two-way Cassette

Compact Four-way Cassette

Four-way Cassette

Q4C

Medium Static Pressure Duct

High Static Pressure Duct

Wall-mounted

Ceiling & Floor

Floor Standing

Console

2.1.2 Fresh air processing unit

Table 1-2.2: Fresh air processing unit appearance

Fresh Air Processing Unit

2.2 Heat Recovery Ventilator

Table 1-2.3: Heat recovery ventilator appearance

Heat Recovery Ventilator

V6 VRF 50Hz

Part 1 - General Information

2.3 Outdoor Units

2.3.1 Single units

Table 1-2.4: Single outdoor unit appearance

8/10/12HP

(with single fan)

14/16HP

(with single fan)

18/20/22HP

(with dual fans)

24/26/28/30/32HP

(with dual fans)

2.3.2 Combinations of units

Table 1-2.5: Combination outdoor unit appearance

34HP

36/38HP

40HP

42/44HP

46/48/50HP

52/54/56/58/60/62/64HP

66HP

68/70HP

72HP

74/76HP

78/80/82HP

84/86/88/90/92/94/96HP

V6 VRF 50Hz

Midea V6 Series Engineering Data Book

3Outdoor Unit Combinations

Table 1-3.1: Outdoor unit combinations

System capacity

Number

of units

Modules1

Outdoor branch

joint kit2

25.2

●

—

28.0

●

33.5

●

40.0

●

45.0

●

50.0

●

56.0

●

61.5

●

67.0

●

73.0

●

78.5

●

85.0

●

90.0

●

95.0

●

FQZHW-02N1E

101.5

●

106.5

●

112.0

●

117.5

●

123.0

●●

128.5

●

134.5

●

140.0

●

146.0

●●

151.5

●

157.0

●●

163.5

●

168.5

●

175.0

●

180.0

●●

185.0

●

FQZHW-03N1E

191.5

●

196.5

●

202.0

●

207.5

●

213.0

●●

●

218.5

●

224.5

●

230.0

●

236.0

●●

●

241.5

●

247.0

●●

●

253.5

●

258.5

●

●●

265.0

●

●●

270.0

●●●

Notes:

1. The combinations of units shown in the table are factory-recommended. Other combinations of units are also possible.

2. For systems with two or more outdoor units, outdoor branch joints (sold separately) are required.

V6 VRF 50Hz

Part 1 - General Information

4Combination Ratio

Table 1-5.1: Indoor and outdoor unit combination ratio limitations

Type

Minimum

combination ratio

Maximum combination ratio

Standard indoor

units only

Fresh air processing

units only

Fresh air processing units and

standard indoor units together

V6 Series outdoor units

50%

130%

100%

100%1

Notes:

1. When fresh air processing units are installed together with standard indoor units, the total capacity of the fresh air processing units must not exceed 30%

of the total capacity of the outdoor units and the combination ratio must not exceed 100%.

Table 1-5.2: Combinations of Indoor and outdoor units

Outdoor unit capacity

Sum of capacity indexes of

connected indoor units (standard

indoor units only)

Sum of capacity indexes of connected indoor

units (fresh air processing units and standard

indoor units together)

Maximum number of

connected indoor

units

Capacity

index

25.2

252

126 to 327.6

126 to 252

28.0

280

140 to 364

140 to 280

33.5

335

167.5 to 435.5

167.5 to 335

40.0

400

200 to 520

200 to 400

45.0

450

225 to 585

225 to 450

50.0

500

250 to 650

250 to 500

56.0

560

280 to 728

280 to 560

61.5

615

307.5 to 799.5

307.5 to 615

67.0

670

335 to 871

335 to 670

73.0

730

365 to 949

365 to 730

78.5

785

392.5 to 1020.5

392.5 to 785

85.0

850

425 to 1105

425 to 850

90.0

900

450 to 1170

450 to 900

95.0

950

475 to 1235

475 to 950

101.5

1015

507.5 to 1319.5

507.5 to 1015

106.5

1065

532.5 to 1384.5

532.5 to 1065

112.0

1120

560 to 1456

560 to 1120

117.5

1175

587.5 to 1527.5

587.5 to 1175

123.0

1230

615 to 1599

615 to 1230

128.5

1285

642.5 to 1670.5

642.5 to 1285

134.5

1345

672.5 to 1748.5

672.5 to 1345

140.0

1400

700 to 1820

700 to 1400

146.0

1460

730 to 1898

730 to 1460

151.5

1515

757.5 to 1969.5

757.5 to 1515

157.0

1570

785 to 2041

785 to 1570

163.5

1635

817.5 to 2125.5

817.5 to 1635

168.5

1685

842.5 to 2190.5

842.5 to 1685

175.0

1750

875 to 2275

875 to 1750

180.0

1800

900 to 2340

900 to 1800

185.0

1850

925 to 2405

925 to 1850

191.5

1915

957.5 to 2489.5

957.5 to 1915

196.5

1965

982.5 to 2554.5

982.5 to 1965

202.0

2020

1010 to 2626

1010 to 2020

207.5

2075

1037.5 to 2697.5

1037.5 to 2075

213.0

2130

1065 to 2769

1065 to 2130

218.5

2185

1092.5 to 2840.5

1092.5 to 2185

224.5

2245

1122.5 to 2918.5

1122.5 to 2245

230.0

2300

1150 to 2990

1150 to 2300

236.0

2360

1180 to 3068

1180 to 2360

241.5

2415

1207.5 to 3139.5

1207.5 to 2415

247.0

2470

1235 to 3211

1235 to 2470

253.5

2535

1267.5 to 3295.5

1267.5 to 2535

258.5

2585

1292.5 to 3360.5

1292.5 to 2585

265.0

2650

1325 to 3445

1325 to 2650

270.0

2700

1350 to 3510

1350 to 2700

Combination ratio =

Sum of capacity indexes of the indoor units

Capacity index of the outdoor units

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