Midea MRT-60HN2 User manual

Content

1. GENERAL INFORMATION .................................................................

1.1 MODEL NAMES OF BASE STATION AIR CONDITIONER........................................

1.2 EXTERNALAPPEARANCE.............................................................................

1.3 NOMENCLATURE........................................................................................

3. COMPACT TYPE BASE STATION AIR CONDITIONER...................

3.1 FEATURES ..............................................................................................

3.2 REFRIGERANT CIRCUIT .............................................................................

3.3 UNIT STRUCTURE.....................................................................................

3.4 SPECIFICATIONS......................................................................................

3.5 DIMENSION .............................................................................................

3.6 INDOOR UNIT CAPACITY CURVE ..................................................................

3.7 WIRING DIAGRAM.....................................................................................

3.8 INSTALLATION..........................................................................................

3.9 FIELD WIRING ..........................................................................................

3.10TRIAL RUN.............................................................................................

3.11 MAINTENANCE.......................................................................................

3.12TROUBLE SHOOTING ..............................................................................

3.13 FUNCTION.............................................................................................

3.14 OPERATION...........................................................................................

3.15ACCESSORIES .......................................................................................

Библиотека СОК 

1. General information

Midea Base Station Air Conditioners are designed for installation in telecommunications containers and

equipment rooms. Those sites are usually in the country side, on the top of mountains, maybe miles of

nowhere from cities. As the compressors are equipped at indoor units, units are protected against

environmental influences and vandalism. All units are designed for running 24 hours a day and 365 days

a year. There are two types of unit structures: split type and compact type, the cooling capacity range is

from 5.5kW to 13kW.

1.1 Model names of base station air conditioner

Type

Model

Power Supply

Remarks

Compact type

KCD-60L/S-JZ(E1)

380V~, 50Hz,3Ph

With free

cooling function

KCD-75L/S-JZ(E2)

380V~,

50Hz,3Ph

KCD-120L/S-JZ

380V~,

50Hz,3Ph

Type

Model

Power Supply

Remarks

Compact type

380V~, 50Hz,3Ph

With free

cooling function

380V~, 50Hz,3Ph

Model names of base station air conditioner CE approved

MRT-60HN2

MRT-75HN2

MRT-120HN2

1.2 External appearance

Compact type

3. Compact Type Base Station Air Conditioner

3.1 Features

Compact designed, the whole air conditioner system is protected by room, making it much stable and

longer working life.

The unit designed for large air flow volume, can take the heat load out from base station rapidly and

effectively.

Power phase sequence fault tolerance function. If the zero line is properly connected, the controller

will automatically adjust the wiring to make sure the power wiring is working properly.

Operating range from -40°C to 45°C outside temperature.

At low outside temperature, cooling directly with outside air, to save energy.

Fresh air inlet is equipped with dual filter to prevent equipment in station from dust damage.

Auto restart after power failure, unit will restart with the previous operation and setting automatically

when the power resumes.

An air-conditioning system can be configured maximum 2 units by the controller. If an individual unit

drops out or the heat load rises, inactive standby units are switched in for support.

The operating times of all connected units are compared to ensure that each on is used to an equal

extent.

Serial interface RS485 for connection to the internet to remote monitoring and control.

3.2 Refrigerant circuit

Compressor: KCD-60L/S-JZ(E1), is equipped with rotary compressor.

KCD-75L/S-JZ(E2), KCD-120L/S-JZ,

are equipped with scroll compressor.

Condenser and Evaporator: Copper tube andAluminum fin type heat exchanger.

Capillary: Capillary subassembly.

Fan: Centrifugal fan

MRT-60HN2 MRT-75HN2, MRT-120HN2

3.3 Unit structure

Air distribution

Displayer

Controller

Return Air

Intake

Handler

Supply Air

Outlet

Drain-pipe

Cooling mode

Free cooling mode

3.4 Specifications

Market model

KCD-60L/S-JZ(E1)

KCD-75L/S-JZ(E2)

KCD-120L/S-JZ

Power input

V-Ph-Hz

380V~ 3Ph 50Hz

Cooling

Total capacity

6000

7500

12000

Sensible capacity

5700

6600

9120

Cooling input

1824

2580

4280

EER

3.29

2.90

2.80

Heating Capacity

3350

3500

3510

Max. power input

3450

3600

5900

Max. current

15.0

8.2

15.2

Refrigerant

Type

Charge

kg 2.8

3.25

4.08

Throttle device

Capillary

Air supply directions

Down front supply

Evaporator/Condenser

Copper tube and

Aluminum fin

Copper tube and

Aluminum fin

Copper tube and

Aluminum fin

Compressor

Type

Rotary

Scroll

Model

SH307RV-C8LU

VR30KS-TFP-582

VR52KS-TFP-542

Brand

Hitachi

Copeland

Capacity

Btu/h 17265

25000

43700

Input

1650

2230

3770

Rated current

7.75

4.1

6.8

Locked rotor amp

Up motor

Model

YDK120-8H

YDK120-8G

YDK120-8J

Input (×No.)

149 (×2)

203 (×2)

275 (×3)

Speed

rpm

445

575

650

Down motor

Model

YSK90-6H

YSK90-6F

YSK250-4E

Input (×No.)

148 (×1)

156 (×1)

430 (×1)

Speed

rpm

775

865

1080

Free cooling function

Yes

Air flow rate

m3/h

1550

1700

2300

Drainage pipe OD

16.5

Weight (Net / Gross)

205/220

270/285

Dimension

Body (W×H×D)

1000×1900×600

1250×1900×600

Packing (W×H×D)

1025×1930×675

1280×1930×675

Ambient temperature range

°C

-40～+45

Notes:

Cooling conditions: Indoor air 28°C DB/ 20°C WB, Outdoor air 35°C DB/ 26°C WB.

The sound pressure level refers to a distance of 1m from the outer surface of the unit.

MRT-75HN2MRT-60HN2 MRT-120HN2

Market model CE

R407C

3.5 Dimension

KCD-60L/S-JZ(E1) / KCD-75L/S-JZ(E2)

MRT-60HN2/MRT-75HN2MRT-60HN2/MRT-75HN2MRT-60HN2/MRT-75HN2MRT-60HN2/MRT-75HN2

KCD-120L/S-JZ

MRT-60HN2MRT-60HN2MRT-60HN2

3.6 Indoor unit capacity curve

KCD-60L/S-JZ(E1)

KCD-75L/S-JZ(E2)

MRT-60HN2MRT-60HN2MRT-60HN2

MRT-75HN2MRT-75HN2MRT-75HN2MRT-75HN2

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