Midea MRCT-062CWN1-R(C) User manual



MideaR410AClimaCreatorSeries

RooftopPackage50Hz

TechnicalManual



Models:

MRCT‐062CWN1‐R(C)

MRCT‐075CWN1‐R(C)

MRCT‐085CWN1‐R(C)

MRCT‐100CWN1‐R(C)

MRCT‐125CWN1‐R(C)

MRCT‐150CWN1‐R(C)

MRCT‐175CWN1‐R(C)

MRCT‐200CWN1‐R(C)

MRCT‐250CWN1‐R(C)

MRCT‐300CWN1‐R(C)



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

withoutincurringobligations.



DM16‐01.01.27en

DM16‐01.01.27en  RooftopClimaCreatorseries

2 Service manual

Content

Part. 1 General information ......................................................... 3

Part. 2 Performances ................................................................... 6

Part. 3 Installations .................................................................. 100



Rooftop ClimaCreator series DM16-01.01.27en

Service manual 3



Part. 1 General information



1. Product lineup ......................................................................... 4

2. External Appearance .............................................................. 4 

3. Nomenclature .......................................................................... 5



DM16‐01.01.27en  RooftopClimaCreatorseries

4 Service manual

1. Product lineup

Nominal ton Model Function Air outlet Power supply

6.25 MRCT-062CWN1-R(C) Cooling only Side discharge 380~415V

3Ph 50Hz

7.5 MRCT-075CWN1-R(C) Cooling only Side discharge

8.5 MRCT-085CWN1-R(C) Cooling only Side discharge

10 MRCT-100CWN1-R(C) Cooling only Side discharge

12.5 MRCT-125CWN1-R(C) Cooling only Side discharge

15 MRCT-150CWN1-R(C) Cooling only Side discharge

17.5 MRCT-175CWN1-R(C) Cooling only Side discharge

20 MRCT-200CWN1-R(C) Cooling only Side discharge

25 MRCT-250CWN1-R(C) Cooling only Side discharge

30 MRCT-300CWN1-R(C) Cooling only Side discharge

Notes: Please refer to specification tables for accurate cooling capacity with kW or Btu/h.

2. External Appearances

6.2&7.5ton

Rooftop ClimaCreator series DM16-01.01.27en

Service manual 5

8.5&10ton 12.5&15ton

17.5&20ton 25&30ton

3. Nomenclatures

M R C T – 062 C W N1 – R (C)

Product design code

Power supply: 380~415V, 3Ph, 50Hz

Refrigerant type: R410A

Wired controller

Cooling only type

Nominal cooling capacity

ӿӿӿ: ӿӿӿ×1ton (6.2ton)

ӿӿ: ӿӿ×1,000Btu/h

Tropical application

Side discharge type

Rooftop package unit

Midea

DM16‐01.01.27en  RooftopClimaCreatorseries

6 Service manual

Part. 2 Performances



1.Features ............................................................................. 7

2.Specifications .................................................................... 9

3.Dimensions drawings ..................................................... 27

4.Wiring diagrams .............................................................. 38

5.Performance data ............................................................ 46

6.Electrical data .................................................................. 76

7.Fan performance data ..................................................... 77

8.Refrigerant cycle diagram .............................................. 98

9.Operation limits ............................................................... 99



Rooftop ClimaCreator series DM16-01.01.27en

Service manual 7

1. Features

 Design flexibility.

Compact design and flanges of air flow inlet and outlet as standard. It is suitable for installation

in rooftop and ground.

 Durable construction.

Pre-painted exterior cabinet panels pass 1000 hours salt spray test for durability.

Weather-resistant construction with capped steams and sloped top panels design.

The rooftop package air conditioners with special anti-corrosion treatment are suitable for

seaside areas or the areas exposed to acidic substances. (It should be customized.)

 Reliable scroll compressor.

Famous brand compressor, it is more reliable. No complex internal suction and discharge

valves for quieter operation and higher reliability. Compact and light-weight design, fewer

moving parts design.

 Adjustable pulley

Through changing the working pitch diameter of the pulley mounted on driver shaft, in turn the

revolutions per minute of the driven shaft will increase or decrease to change air volume.

 Multi-protection design.

Multi-measurement can ensure units operate normally and reliably:

System current protection;

High/low-pressure switch protection;

Temperature sensor on/off protection, etc.

The three-phase protector can be customized.

DM16‐01.01.27en  RooftopClimaCreatorseries

8 Service manual

 Easy to installation.

Removable access door on the electric box is standard. It is easy to move the cover of the

electric box. Only connect the wires of power supply, and no need to connect any signal wires.

Reserved external drainage port, quickly and accurately connect the rubber drainage pipe.

 The unit provides external pressure gauge ports for convenient and fast checking system

pressure without removing the panel.

 System self-diagnostic function.

Press the Check button in Main PCB board, and the LED display of PCB board in unit will

display the normal checking code. If the unit is in running with abnormal operation, the LED

display will show the error code.

 EHK (Electrical heater kits) and air intake filter as optional.

 Wired controller as standard. Besides Midea controller, other brand thermostat can be matched

as optional solution.

 Centralized control function can be achieved through the centralized controller as optional.

MD-NIM01 should be connected between the rooftop package units and centralized controller.

Rooftop ClimaCreator series DM16-01.01.27en

Service manual 9

2. Specifications

Nominal ton (Ton) 6.2 7.5

Model MRCT-062CWN1-R(C) MRCT-075CWN1-R(C)

Power supply \ 380~415V, 3Ph, 50Hz 380~415V, 3Ph, 50Hz

Cooling 1 Cooling capacity Btu/h 75,000 89,000

kW 22.0 26.0

Power input kW 6.6 7.9

Cooling 2 Cooling capacity Btu/h 61,400 69,600

kW 18.0 20.4

Power input kW 7.8 9.0

Max. input consumption kW 9.0 13.6

Max. current A 19.3 27.2

Performance

Indoor air flow CFM 2,800 2,830

ESP Pa Default:80; 0~250 Default: 80; 0~250

EER 1 Btu/h.W 11.4 11.3

EER 2 Btu/h.W 7.9 7.8

Indoor coil

Number of rows \ 4 3

Fin spacing mm 1.3 1.3

Fin type \ Hydrophilic aluminum fin Hydrophilic aluminum fin

Tube diameter mm Φ7 Φ7

Tube type \ Inner grooved copper pipe Inner grooved copper pipe

Indoor fan

Type / Quantity \ Centrifugal / 1 Centrifugal / 1

Drive type \ Direct Direct

Motor quantity \ 1 1

Motor model \ YDK750-4E YDK750-4E

Motor capacitor \ 25µF/450V 25µF/450V

Motor input W 1,600/1,350/1,150 1,600/1,350/1,150

Motor speed RPM 1,090/985/895 1,090/985/895

Compressor

Type \ Scroll / 1 Scroll / 1

Model \ ZP72KCE-TFD-52E HCJ106

Brand \ Copeland Danfoss

Capacity W 17,200 26,100

Input W 5,650 8,080

RLA A 12.5 14.3

LRA A 75 121.2

Refrigerant oil ml 1,774 2,460

Outdoor coil

Number of rows \ 2.5 3

Fin spacing mm 1.5 1.5

Fin type \ Hydrophilic aluminum fin Hydrophilic aluminum fin

Tube diameter mm Φ7 Φ7

Tube type \ Inner grooved copper pipe Inner grooved copper pipe

DM16‐01.01.27en  RooftopClimaCreatorseries

10 Service manual

Continued:

Nominal ton (Ton) 6.2 7.5

Model MRCT-062CWN1-R(C) MRCT-075CWN1-R(C)

Outdoor fan

Type \ Axial Axial

Quantity \ 1 1

Drive type \ Direct Direct

Motor quantity \ 1 1

Motor model \ YDK450-6C YDK580-6C

Motor capacitor \ 25µF/450V 25µF/450V

Motor input W 757/403 820/505

Fan speed RPM 840/550 870/640

Refrigerant

Type \ R410A R410A

Volume kg 4.0 3.7

Control \ Throttle valve Throttle valve

Wired controller \ KJR-25B KJR-25B

Centralized controller (Optional) \ No No

Ambient temperature (Cooling) °C 10~52 10~52

System stage \ 1 1

Dimensions Net (W×H×D) mm 1,475×840×1,130 1,475×840×1,130

Packing (W×H×D) mm 1,495×870×1,150 1,495×870×1,150

Weight Net kg 223 231

Gross kg 228 236

Notes:

1. Nominal ton only for reference. Cooling capacity as per specifications;

2. Cooling capacity test condition: (1)

Outdoor ambient temperature: 35°C, indoor temperature: 26.7°CDB, 19.4°CWB;

Cooling capacity test condition: (2)

Outdoor ambient temperature: 46.1°C, indoor temperature: 26.7°CDB, 19.4°CWB;

3. Units are suitable for operation to ±20% of nominal indoor air flow.

4. ESP: external static pressure;

5. Specifications are subject to change without prior notice for product improvement.

This manual suits for next models

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