Midea VRF V4 Plus I Series Bedienungsanleitung

MCAC-VTSM-2014-04 R410A DC Inverter VRF V4 Plus Individual Series 50Hz

General Information 1

Part 1 General Information

1. Product lineup...........................................................................................2

2. Nomenclature...........................................................................................3

3. Features ...................................................................................................4

4. Indoor units lineup....................................................................................9

MCAC-VTSM-2014-04 R410A DC Inverter VRF V4 Plus Individual Series 50Hz

2 General Information

1. Product lineup

380-415V/3Ph/50Hz

Model name

External appearance

MDV-730W/DRN1-i(C)

MDV-785W/DRN1-i(C)

MDV-850W/DRN1-i(C)

MDV-900W/DRN1-i(C)

Outdoor units basic information

Model

Net dimension

W×H×D (mm)

Net/Gross

weight (kg)

Max. quantity of

connectable indoor units

MDV-730W/DRN1-i(C)

2540×1615×765

555/590

MDV-785W/DRN1-i(C)

2540×1615×765

555/590

MDV-850W/DRN1-i(C)

2540×1615×765

600/635

MDV-900W/DRN1-i(C)

2540×1615×765

600/635

MCAC-VTSM-2014-04 R410A DC Inverter VRF V4 Plus Individual Series 50Hz

General Information 3

2. Nomenclature

MDV –730 W / D R N1 –i (C)

Series code

i: Individual type

Refrigerant type

N1: R410A

Power supply

R: 380-415V, 3Ph, 50Hz

D: DC inverter type

W: Outdoor units

Cooling capacity (×100W)

Midea

MCAC-VTSM-2014-04 R410A DC Inverter VRF V4 Plus Individual Series 50Hz

4 General Information

3. Features

Wide application range

3.1.1 Wide capacity range

The whole product lineup of V4+I series will be from 7HP to 32HP, which is designed to optimize performance

and better match varieties of application requirement. Especially, the integrated designed V4+I series is focus

on providing better air conditioning system solution for the small and middle-sized buildings in the global

market.

3.1.2 Flexible indoor units connection

3.1.3 Wide operation range

3.1.4 Flexible piping design

Maximum actual piping length 165m

The first branch joint to the

farthest IDU 90m

Level difference between IDU

and ODU 90m

Level difference

between IDUs 30m

door

pera

Outdoor temp. °C(D.B.)

48°C

24°C

-15°C

-5°C

door

pera

A 32HP outdoor unit supports up to 53 indoor units, freeing up

considerable space outside, use your backyard more wisely with much

more space available created by less number of outdoor units.

Maximum 53 indoor units for a 32HP outdoor units installation

Maximum 50 indoor units for a 30HP outdoor units installation

Maximum 46 indoor units for a 28HP outdoor units installation

Maximum 43 indoor units for a 26HP outdoor units installation

V4+I series offers an extended piping length of 165m (190m

equivalent piping length) with a total system piping length of

1,000m.

In case the outdoor unit is located above the indoor unit the height

difference between outdoor unit and indoor unit is up to 50m.

In case the outdoor unit is located below the indoor unit the height

difference between outdoor unit and indoor unit is up to 90m.

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

90m*.

*For more information, please contact your local Midea dealer.

The V4+I series system operates

stably at extreme temperatures

ranging from minus 15°C to 48°C.

MCAC-VTSM-2014-04 R410A DC Inverter VRF V4 Plus Individual Series 50Hz

General Information 5

3.1.5 High external static pressure

3.2 High efficiency

3.2.1 High efficiency DC inverter compressor

High efficiency DC inverter compressor reduces power consumption by 25%.

3.2.2 High efficiency DC motor

According to the running load and pressure, it controls the speed of DC fan to achieve the minimum power

consumption.

3.2.3 High efficiency heat exchanger

The new designed window fins enlarge the heat-exchanging area, decrease the air resistance, save more

power and enhance heat exchange performance.

Hydrophilic film fins and inner-threaded copper pipes optimize heat exchange efficiency.

40 Pa

100

200 1000

45%

New structure enhanced mid-frequency performance

Special designed scroll profile for R410A

More compact, weight reduced by 50%

Advanced permanent magnet DC motor improves

low-frequency band performance

Motor speed (RPM)

Efficiency (%)

AC motor

DC motor

New design

Original design

Hydrophilic film fins + inner-threaded pipes

High efficient inner-thread pipe, enhance heat transfer

High static pressure propeller and optimized fan guard can adapt to

various installation environments.

Midea now offers 40Pa* external pressure for customized

applications.A standard 0-20Pa function is equipped by default

MCAC-VTSM-2014-04 R410A DC Inverter VRF V4 Plus Individual Series 50Hz

6 General Information

3.3 Enhanced comfort

3.3.1 Intelligent soft start technology

3.3.2 Night silent operation mode

Midea's Night Silent Mode feature which is easily set on the PCB board allows the unit to be set to

vary time options during Non-Peak and Peak operation time optimizing the units noise output.

Extra silent operation mode can reduce sound level further, minimum 46.8dB (A).

Night silent operation will be activated X hours after the peak temperature during daytime, and it

will go back to normal operation after Y hours.

Model 1

→

X: 6 hours, Y: 10 hours Model 2

→

X: 8 hours, Y: 10 hours

Model 3

→

X: 6 hours, Y: 12 hours Model 4

→

X: 8 hours, Y: 8 hours

Notes:

This function can be activated by setting at site. Temperature (load) curve shown in the graph is just an example.

3.3.3 Intelligent defrosting raises heat capacity

noise

08:00

100

14:00 22:00 08:00

Peak value of ambient temp.

Noise dB Load % Capacity %

8hrs 10hrs

Night silent Mode

Max.-10dB(10Hp)

8hrs 10hrs

Night silent Mode

Max.-10dB(10Hp)

EndStart EndStart

defrost

DC inverter compressor soft start function reduces strike to the

electric network. This kind of high-performance and low sound scroll

compressor operates at a faster rate when starting, reducing start-up

time. It also helps the unit to quickly adjust the room temperature to

the set level.

MCAC-VTSM-2014-04 R410A DC Inverter VRF V4 Plus Individual Series 50Hz

General Information 7

3.4 Easy installation and service

3.4.1 Compact design for effective use of space

3.4.2 Integrated design

Comparing with combination units, the individual units needs no complicated piping and wiring in

the jobsite. It eliminates the communication wire, power wire, oil balance pipe, and refrigerant

distributors between units. Lessing brazing joint can optimize the installation quality and eliminated

the possibility of moisture to get into the system.

3.4.3 Simple signal line connection

Installation is easier as communication wiring can be shared by indoor & outdoor units. It’s easy for the user to

retrofit the existing system with a centralized control by simply connecting to the outdoor units.

PQE & XYE: only one set of PQE communication wires can achieve communication among indoor units,

outdoor units and the network.

Reversible communication, central controller can be connected from indoor side or outdoor side.

Easy to transport

Combination units

Individual units

①Power wire and grounding wire

②Communication wire

③Main gas pipe

④Main liquid pipe

⑤Power wire and grounding wire

⑥Communication wire

⑦Oil balance pipe

Compact size and light weight design minimizes the installation

footprint, reduces the installation floor load, and easier for

transportation. For some projects the units can even be transported

through the elevator or forklift, lessen access problem at the jobsite.

Wireless & wired controller can query

and modify each indoor unit's address.

MCAC-VTSM-2014-04 R410A DC Inverter VRF V4 Plus Individual Series 50Hz

8 General Information

3.4.4 Auto addressing

3.4.5 Easy maintenance

Reserved checking window on electric

control box for convenient spot checking

and status enquiry.

Compressor is located near the door, which simplifies checks

and enables valve or compressor parts to be replaced easily.

Self-diagnosis function helps service

engineers locate faults quickly and easily.

Outdoor unit can distribute address for each indoor unit

automatically.

Wireless and wired controllers can enquire and

modify each indoor unit’s address.

MCAC-VTSM-2014-04 R410A DC Inverter VRF V4 Plus Individual Series 50Hz

General Information 9

4. Indoor units lineup

Capacity

(×100W)

Cassette type

One-way cassette

Two-way cassette

Compact four-way cassette

Four-way cassette

●

100

●

112

●

140

●

Capacity

(×100W)

Duct type

Low static

pressure duct

Medium static pressure duct

High static pressure duct

●

100

112

●

140

●

160

●

200

●

250

●

280

●

400

●

450

●

560

●

MCAC-VTSM-2014-04 R410A DC Inverter VRF V4 Plus Individual Series 50Hz

10 General Information

Indoor units lineup

Capacity

(×100W)

Floor-standing/Ceiling & Floor/Console

Cased floor-standing

Uncased floor-standing

Ceiling & floor

console

●

112

●

140

●

160

●

Capacit

(×100W)

Wall mounted/Fresh air processing unit

Wall mounted

(S panel)

Wall mounted

(C panel)

Wall mounted

(R panel)

Wall mounted

(D panel)

Fresh air processing unit

●

125

●

140

●

200

●

250

●

280

●

Note:

Due to continuous improvement, specifications are subject to change without prior notice.

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