Midea V6R VRF Series User manual

Commercial Air Conditioners

R410A

Service

Manual

MV6-R252WV2RN1

MV6-R280WV2RN1

MV6-R335WV2RN1

MV6-R400WV2RN1

MV6-R450WV2RN1

MV6-R500WV2RN1

Series VRF

V6R VRF 50Hz

CONTENTS

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

Part 2 Component Layout and Refrigerant Circuits ................................ 13

Part 3 Control............................................................................................ 25

Part 4 Field Settings ................................................................................. 51

Part 5 Electrical Components and Wiring Diagrams............................... 57

Part 6 Diagnosis and Troubleshooting ..................................................... 83

V6R VRF 50Hz

Midea V6R Series Service Manual

V6R VRF 50Hz

Part 1 - General Information

Part 1

General Information

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

2 External Appearance ................................................................................ 5

3 Outdoor Unit Combinations .................................................................. 10

4 Combination Ratio ................................................................................. 11

V6R VRF 50Hz

Midea V6R Series Service Manual

1Indoor and Outdoor Unit Capacities

1.1 Indoor Units

1.1.1 VRF 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: Indoor unit capacity range

Capacity

index

Q4C

kBtu/h

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

—

Notes:

1. V6R series outdoor units are compatible with the 2nd generation DC VRF indoor unit and 2nd generation AC VRF indoor units (which will be released soon).

V6R VRF 50Hz

Part 1 - General Information

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

Notes:

1. V6R series outdoor units are compatible with the 2nd generation DC Fresh air processing unit.

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

Notes:

1. V6R series outdoor units are compatible with the DC type heat recovery ventilator.

1.3 High Temperature Hydro Module

Table 1-1.5: 1.3 High Temperature Hydro Module capacity range

Capacity

14kW

Capacity index

140

1.4 Outdoor Units

Table 1-1.6: Outdoor unit capacity range

Capacity

Model Name

Combination Type

8HP

MV6-R252WV2RN1

10HP

MV6-R280WV2RN1

12HP

MV6-R335WV2RN1

14HP

MV6-R400WV2RN1

16HP

MV6-R450WV2RN1

18HP

MV6-R500WV2RN1

20HP

MV6-R560WV2RN1

10HP+10HP

22HP

MV6-R615WV2RN1

10HP+12HP

24HP

MV6-R680WV2RN1

10HP+14HP

26HP

MV6-R735WV2RN1

12HP+14HP

28HP

MV6-R785WV2RN1

12HP+16HP

30HP

MV6-R835WV2RN1

12HP+18HP

32HP

MV6-R900WV2RN1

16HP+16HP

34HP

MV6-R950WV2RN1

16HP+18HP

36HP

MV6-R1000WV2RN1

18HP+18HP

38HP

MV6-R1070WV2RN1

12HP+12HP+14HP

40HP

MV6-R1120WV2RN1

12HP+12HP+16HP

42HP

MV6-R1185WV2RN1

12HP+14HP+16HP

44HP

MV6-R1235WV2RN1

12HP+16HP+16HP

46HP

MV6-R1300WV2RN1

14HP+16HP+16HP

48HP

MV6-R1350WV2RN1

16HP+16HP+16HP

50HP

MV6-R1400WV2RN1

16HP+16HP+18HP

52HP

MV6-R1450WV2RN1

16HP+18HP+18HP

54HP

MV6-R1500WV2RN1

18HP+18HP+18HP

Notes:

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

V6R VRF 50Hz

Midea V6R Series Service Manual

2External Appearance

2.1 Indoor Units

Table 1-2.1: 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

2.1.1 Fresh air processing unit

Table 1-2.2: Fresh air processing unit appearance

Fresh Air Processing Unit

V6R VRF 50Hz

Part 1 - General Information

2.2 Heat Recovery Ventilator

Table 1-2.3: Heat recovery ventilator appearance

Heat Recovery Ventilator

2.3 High Temperature Hydro Module

Table 1-2.4: High temperature Hydro module appearance

High Temperature Hydro Module

V6R VRF 50Hz

Midea V6R Series Service Manual

2.4 Outdoor Units

2.4.1 Single units

Table 1-2.5: Single outdoor unit appearance

8/10/12HP

(with single fan)

14/16/18HP

(with dual fan)

2.4.2 Combinations of units

Table 1-2.6: Combination outdoor unit appearance

20/22HP

24/26/28/30HP

32/34/36HP

38/40HP

42/44HP

46/48/50/52/54HP

V6R VRF 50Hz

Part 1 - General Information

2.5 Mode Selection Box

Table 1-2.7: MS box appearance

Model name

Appearance

Max. number of

downstream indoor

units

MS01/N1-D1,2

MS04/N1-D

MS06/N1-D

MS08/N1-D

MS10/N1-D

MS12/N1-D

Notes:

1. MS01 can be ceiling-suspended installed and wall-mounted installed.

2. Low temperature cooling operation and leakage detection function are available in MS01.

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