Midea C Series Operating manual

220-240V, 50Hz

TechnicalServiceManual

Fan Coil Unit

Midea 50Hz AC Fan Coil Unit

2-Pipe Wall-mounted Series

Technical Service Manual

Midea reserves the right to discontinue, or change specification or designs at any time without notices and without incurring

obligations

Midea 50Hz AC Fan Coil Unit Two-pipe Wall-mounted Series MCAC-UTSM-201606

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Content

1.INTRODUCTION ........................................................................... 2

2.NOMENCLATURE......................................................................... 2

3.PRODUCT SCHEDULE ................................................................ 2

4.EXTERNAL APPEARANCE.......................................................... 3

5.FEATURE ...................................................................................... 3

6.SPECIFICATIONS ......................................................................... 5

7.DIMENSIONS ................................................................................ 9

8.SERVICE SPACES...................................................................... 10

9.WIRING DIAGRAMS................................................................... 11

10.CAPACITY TABLES.................................................................. 12

11.SOUND LEVELS ....................................................................... 26

12.EXPLODED VIEW ..................................................................... 27

13.INSTALLATION ......................................................................... 29

14.CONTROLLER .......................................................................... 40

MCAC-UTSM-201606 Midea 50Hz AC Fan Coil Unit Two-pipe Wall-mounted Series

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1. Introduction

MKG fan coil is a kind of newly designed fan coil units, which is mounted on the wall. It has two kinds of body, both

have 3-way valve inside the body. In additional, it has panels of different color can be optional.

MKG series fan coil is designed and manufactured on the base of fully adoption advanced technology. The acute

and thin body makes it save a lot of space and easy for installation. Quality materials and state-of-the-art technology

ensure optimal performance with virtually imperceptible noise levels and keep running smoothly.

Midea MKG series fan coil unit has been tested by national AC quality supervise testing center, as low noise level,

high efficiency, stable operation and low power consumption make it as the advanced production in the world,. Due

to their reduced dimensions and pleasing design, these units are ideally suited for Commercial and Residential

environments.

2. Nomenclature

M K G – 250 - B

Design Serial Number

Omit:C type panel

B: S type panel

Air Flow (250CFM)

Type Code

G: Wall-mounted FCU

Chilled Water Fan Coil Unit

Midea

3. Product Schedule

Series Model

Air volume

(CFM) Power supply

C type panel

MKG-250 250

220~240V-1Ph-50Hz

MKG-300 300

MKG-400 400

MKG-500

500

MKG-600 600

S type panel

MKG-250-B 250

220~240V-1Ph-50Hz

MKG-300-B 300

MKG-400-B 400

MKG-500-B 500

MKG-600-B 600

Midea 50Hz AC Fan Coil Unit Two-pipe Wall-mounted Series MCAC-UTSM-201606

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4. External Appearance

C panel

S panel

5. Feature

Multi-connection outlet pipe method: left/right/rear, more flexible for installation.

Wind direction adjustment can be in horizontal and vertical way for auto swing louver

Right piping

Left piping

Right back piping

Left back piping

Horizontal air deflector

Vertical air deflector

MCAC-UTSM-201606 Midea 50Hz AC Fan Coil Unit Two-pipe Wall-mounted Series

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Built-in 3-way electromagnetic valve.

Cross flow fan creates quiet and comfortable environment.

Easy maintenance has been realized as the front panel can be removed for easy access.

Remote controller with LCD display is standard, wired controller and central controller are optional.

Four-speed motor with super high speed reserved for more choice.

Eurovent certified performance.

You can get the eurovent information of our products from: http://www.eurovent-certification.com

Midea 50Hz AC Fan Coil Unit Two-pipe Wall-mounted Series MCAC-UTSM-201606

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6. Specifications

Model

MKG-250 300 400

Air flow

H/M/L m3/h 425/360/320 510/430/380 680/580/510

H/M/L CFM 250/210/190 300/250/220 400/340/300

Cooling

Capacity H/M/L kW 2.2/1.84/1.65 2.64/2.24/2.05 3.08/2.62/2.27

Water flow rate H L/h 378 454 530

Water pressure drop H kPa 12 18 22

Heating

Capacity H/M/L kW 3.02/2.6/2.23 3.69/3.25/2.77 4.34/3.86/3.25

Water pressure drop H kPa 10 16.4 20.8

Power supply

V/Ph/Hz

220-240/1/50

Power input

H W 28 40 44

Sound pressure level

H/M/L dB(A) 30/24/20 35/29/24 37/31/26

Fan motor

Type Low noise 4-speed fan motor

Quantity 1

Fan

Type Cross-flow fan

Quantity 1

Coil

Row

Max. Working pressure MPa 1.6

Diameter mm Φ7

Body

Dimensions W×H×D mm 915×210×290

Net weight kg 12

Packing W×H×D mm 1020×300×385

Gross weight kg 16

Pipe

connection

Water inlet/outlet pipe inch G3/4"

Drain pipe mm ODΦ20

Controller

R51/E (standard)

Notes:

1. H: high fan speed; M: medium fan speed; L: low fan speed

2. Cooling Conditions: Entering Water 7°C, Temperature Rise 5°C, Entering Air Temperature 27°C DB,19°C WB.

Heating Conditions: Entering Water 50°C, Enter air temperature 20°C, and water flow is same to the cooling conditions.

3. Noise is tested in semi-anechoic test room.

MCAC-UTSM-201606 Midea 50Hz AC Fan Coil Unit Two-pipe Wall-mounted Series

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Specifications

Model MKG-

500

600

Air flow

H/M/L

850/720/640

1020/870/770

H/M/L CFM 500/420/380 600/510/450

Cooling

Capacity H/M/L kW 4.07/3.73/3.24 4.45/4.18/3.74

Water flow rate H L/h 700 765

Water pressure drop

H kPa 26 29

Heating

Capacity H/M/L kW 5.69/5.12/4.32 6.3/5.67/4.73

Water pressure drop

H kPa 25.1 27.9

Power supply

V/Ph/Hz 220-240/1/50

Power input

H W 50 60

Sound pressure level

H/M/L dB(A) 39/33/28 40/34/29

Fan motor

Type

Low noise 4-speed fan motor

Quantity 1

Fan

Type Cross-flow fan

Quantity 1

Coil

Row 2

Max. Working pressure MPa 1.6

Diameter mm Φ7

Body

Dimensions

W×H×D

1070×210×316

Net weight kg 15

Packing W×H×D mm 1180×300×410

Gross weight kg 19

Pipe

connection

Water inlet/outlet pipe inch G3/4"

Drain pipe mm ODΦ20

Controller

R51/E (standard)

Notes:

1. H: high fan speed; M: medium fan speed; L: low fan speed

2. Cooling Conditions: Entering Water 7°C, Temperature Rise 5°C, Entering Air Temperature 27°C DB,19°C WB.

Heating Conditions: Entering Water 50°C, Enter air temperature 20°C, and water flow is same to the cooling conditions.

3. Noise is tested in semi-anechoic test room.

Midea 50Hz AC Fan Coil Unit Two-pipe Wall-mounted Series MCAC-UTSM-201606

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Specifications

Model MKG-250-B MKG-300-B MKG-400-B

Power supply V/Ph/Hz 220-240/1/50

Air flow (H/M/L) m3/h 425/390/350 510/470/390 680/550/460

CFM 250/230/205 300/275/230 400/325/270

Cooling

Capacity (H/M/L) kW 2.63/2.41/2.16 2.97/2.47/2.12 3.28/2.83/2.41

Water flow rate L/h 452 511 564

Water pressure drop kPa 29.4 35.6 43.5

Heating Capacity (H/M/L) kW 3.36/3.1/2.79 3.91/3.26/2.77 4.37/3.73/3.17

Water pressure drop kPa 27.3 32.9 40.8

Power input W 24 37 40

Sound pressure level dB(A) 30/24/20 35/29/24 37/31/26

Fan motor Type Low noise 4-speed fan motor

Quantity 1

Fan Type Tangential fan

Quantity 1

Coil

Row 2

Diameter mm Φ7

Tube pitch(a) ×row pitch(b) mm 21×13.37

Dimension (W×H×D) mm 635×315×26.74

Fin spacing mm 1.5

Fin type Hydrophilic aluminum

Circuit 5

Max. working pressure MPa 1.6

Body

Net dimensions (W×H×D) mm 915×290×230

Packing size (W×H×D) mm 1020×390×315

Net weight kg 13 13 13.3

Gross weight kg 16.3 16.3 16.7

Pipe

connections

Water inlet/outlet pipe inch G3/4

Drain pipe mm ODΦ20

Notes:

1. H: high fan speed; M: medium fan speed; L: low fan speed

2. Cooling Conditions: Entering Water 7°C, Temperature Rise 5°C, Entering Air Temperature 27°C DB,19°C WB.

Heating Conditions: Entering Water 50°C, Enter air temperature 20°C, and water flow is same to the cooling conditions.

3. Noise is tested in semi-anechoic test room.

MCAC-UTSM-201606 Midea 50Hz AC Fan Coil Unit Two-pipe Wall-mounted Series

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Specifications

Model MKG-500-B MKG-600-B

Power supply V/Ph/Hz 220-240/1/50

Air flow (H/M/L) m3/h 850/745/620 1020/915/780

CFM 500/440/365 600/540/460

Cooling

Capacity (H/M/L) kW 4.25/3.85/3.32 5/4.47/3.97

Water flow rate L/h 731 860

Water pressure drop kPa 31.8 42.5

Heating Capacity (H/M/L) kW 5.81/5.17/4.43 6.7/6/5.28

Water pressure drop kPa 30.2 39.7

Power input W 50 66

Sound pressure level dB(A) 39/33/28 40/34/29

Fan motor Type Low noise 4-speed fan motor

Quantity 1

Fan Type Tangential fan

Quantity 1

Coil

Row 2

Diameter mm Φ7

Tube pitch(a) ×row pitch(b) mm 21×13.37

Dimension (W×H×D) mm 785×315×26.74

Fin spacing mm 1.5

Fin type Hydrophilic aluminum

Circuit 5

Max. working pressure MPa 1.6

Body

Net dimensions (W×H×D) mm 1072×315×230

Packing size (W×H×D) mm 1180×415×315

Net weight kg 15.8 15.8

Gross weight kg 19.4 19.4

Pipe

connections

Water inlet/outlet pipe inch G3/4

Drain pipe mm ODΦ20

Notes:

1. H: high fan speed; M: medium fan speed; L: low fan speed

2. Cooling Conditions: Entering Water 7°C, Temperature Rise 5°C, Entering Air Temperature 27°C DB,19°C WB.

Heating Conditions: Entering Water 50°C, Enter air temperature 20°C, and water flow is same to the cooling conditions.

3. Noise is tested in semi-anechoic test room.

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