Midea V4+R Series User manual

Commercial Air Conditioners

Service

Manual

R410A

iOS Version Android Version

Midea CAC After-service Application

iOS Version

Midea CAC News Application

Add.: Midea Headquarters Building, 6 Midea Avenue, Shunde, Foshan, Guangdong, China

Postal code: 528311

Tel: +86-757-26338346 Fax: +86-757-22390205

cac.midea.com global.midea.com

Note: Product specifications change from time to time as product improvements and

developments are released and may vary from those in this document.

Commercial Air Conditioner Division

Midea Group

V4+R VRF 50/60Hz

201608 1

CONTENTS

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

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

Part 3 Control ............................................................................................... 23

Part 4 Field Settings..................................................................................... 37

Part 5 Diagnosis and Troubleshooting......................................................... 41

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Midea V4+R Series Service Manual

V4+R VRF 50/60Hz

201702 3

Part 1 - General Information

Part 1

General Information

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

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

3 Outdoor Unit Combinations .................................................................. 9

4 Combination Ratio .............................................................................. 10

V4+R VRF 50/60Hz

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Midea V4+R Series Service Manual

1Indoor and Outdoor Unit Capacities

1.1 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

Q4-C

Compact Four-way Cassette

Ceiling & Floor

Four-way Cassette

Floor Standing

Low Static Pressure Duct

Console

Medium Static Pressure Duct

Table 1-1.2: Indoor unit capacity range

Capacity

index

Q4-C

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

—

112

—

14.0

140

—

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

—

1.2 Heat recovery ventilator

Table 1-1.3: Heat recovery ventilator capacity range

Model

HRV-200

HRV-300

HRV-400

HRV-500

HRV-800

HRV-1000

HRV-1500

HRV-2000

Capacity (m3/h)

200

300

400

500

800

1000

1500

2000

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Part 1 - General Information

1.3 Outdoor Units

Table 1-1.4: Outdoor unit capacity range

Capacity

8HP

10HP

12HP

14HP

16HP

Model

(MDV-*W/D2RN1T(C))

252(8)

280(10)

335(12)

400(14)

450(16)

Capacity

18HP

20HP

22HP

24HP

26HP

28HP

30HP

32HP

Model

(MDV-*W/D2RN1T(C))

532(18)

560(20)

615(22)

680(24)

730(26)

800(28)

850(30)

900(32)

Outdoor unit 1

8HP

10HP

14HP

16HP

Outdoor unit 2

10HP

12HP

14HP

16HP

14HP

16HP

Capacity

34HP

36HP

38HP

40HP

42HP

44HP

46HP

48HP

Model

(MDV-*W/D2RN1T(C))

960(34)

1010(36)

1065(38)

1130(40)

1200(42)

1250(44)

1300(46)

1350(48)

Outdoor unit 1

10HP

14HP

16HP

Outdoor unit 2

10HP

12HP

14HP

16HP

Outdoor unit 3

14HP

16HP

14HP

16HP

Capacity

50HP

52HP

54HP

56HP

58HP

60HP

62HP

64HP

Model

(MDV-*W/D2RN1T(C))

1432(50)

1460(52)

1515(54)

1580(56)

1650(58)

1700(60)

1750(62)

1800(64)

Outdoor unit 1

8HP

10HP

14HP

16HP

Outdoor unit 2

10HP

12HP

14HP

16HP

Outdoor unit 3

16HP

14HP

16HP

Outdoor unit 4

16HP

Notes:

1. The full model names can be obtained by substituting the asterisk in the model name format given in the left-hand column of the table above

with the shortened model names given in the table. For example, the model name for the 40HP model is MDV-1130(40)W/D2RN1T(C)).

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

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Midea V4+R Series Service Manual

2External Appearance

2.1 Indoor Units

Table 1-2.1: Standard indoor unit appearance

One-way Cassette

Two-way Cassette

Compact Four-way Cassette

Four-way Cassette

Q4-C

Low Static Pressure Duct

Medium Static Pressure Duct

High Static Pressure Duct

Wall-mounted

Ceiling & Floor

Floor Standing

Console

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Part 1 - General Information

2.2 Heat Recovery Ventilator

Table 1-2.2: Heat recovery ventilator appearance

Heat Recovery Ventilator

2.3 Outdoor Units

2.3.1 Single units

Table 1-2.3: Single outdoor unit appearance

8/10/12/14/16HP

2.3.2 Combinations of units

Table 1-2.4: Combination outdoor unit appearance

18/20/22/24/26/28/30/32HP

34/36/38/40/42/44/46/48HP

50/52/54/56/58/60/62/64HP

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Midea V4+R Series Service Manual

2.4 MS boxes

Table 1-2.5: MS box appearance

Model name

Appearance

Max. number of

downstream indoor

units

MS01/N1-C

MS02/N1-C

MS04/N1-C

MS06/N1-C

MS02E/N1-C

MS04E/N1-C

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