Midea MTA-76CRN1 User manual

Air-cooled Package

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Air-cooled package

Middle Static Pressure Duct unit

High Static Pressure Duct unit

Service Manual 2013

MHB-76CRN1 / MOV-76CN1-C

MHB-96CRN1 / MOV-96CN1-C

MHB-76HRN1 / MOV-76HN1-C

MHB-96HRN1 / MOV-96HN1-C

DM13-01.01.16en

MTA-76CRN1 / MOV-76CN1-C

MTA-96CRN1 / MOV-96CN1-C

MTA-120CRN1 / MOV-120CN1-C

MTA-150CRN1 / 2* MOV-76CN1-C

MTA-76HRN1 / MOV-76HN1-C

MTA-96HRN1 / MOV-96HN1-C

MTA-120HRN1 / MOV-120HN1-C

DM13-01.01.16en Air-cooled Package

Service manual 1

Content

Part 1 General Information............................................2

Part 2 Indoor Units.........................................................6

Part 3 Outdoor Units....................................................44

Part 4 Installation.........................................................59

Part 5 Control ...............................................................92

Air-cooled Package DM13-01.01.16en

2 Service manual

Part 1 General Information

1. Model Names of Indoor/Outdoor Units............................. 3

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

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

DM13-01.01.16en Air-cooled Package

Service manual 3

1. Model Names of Indoor/Outdoor Units

1.1 Model Names of Units with Cooling only:

Type Indoor unit Outdoor unit Capacity

Model Power

supply Model Power

supply kW Btu/h

Mid-static

pressure duct

type

MTA-76CRN1

220~240V-1

Ph-50Hz

MOV-76CN1-C 380~415V-3

N-50Hz

22 76

MTA-96CRN1 MOV-96CN1-C 28 96

MTA-120CRN1 MOV-120CN1-C

380~400V-3

N-50Hz 35 120

MTA-150CRN1 MOV-76CN1-C *2

380~415V-3

N-50Hz

44 150

High-static

pressure

duct type

MHB-76CRN1 MOV-76CN1-C 22 76

MHB-96CRN1 MOV-96CN1-C 28 96

1.2 Model Names of Units with Cooling and heating:

Type Indoor unit Outdoor unit Capacity

Model Power

supply Model Power

supply kW Btu/h

Mid-static

pressure duct

type

MTA-76HRN1

220~240V-1

Ph-50Hz

MOV-76HN1-C 380~415V-3

N-50Hz

22 76

MTA-96HRN1 MOV-96HN1-C 28 96

MTA-120HRN1 MOV-120HN1-C

380~400V-3

N-50Hz 35 120

MTA-150HRN1 MOV-76HN1-C *2

380~415V-3

N-50Hz

44 150

High-static

pressure duct

type

MHB-76HRN1 MOV-76HN1-C 22 76

MHB-96HRN1 MOV-96HN1-C 28 96

Air-cooled Package DM13-01.01.16en

4 Service manual

2. External Appearance

2.1 Indoor Units

MTA-76C(H)RN1

MTA-96C(H)RN1 MTA-120CRN1＼MTA-120HRN1

MTA-150CRN1

2.2 Outdoor Unit

MOV-76C(H)N1-C

MOV-96C(H)N1-C

MOV-150C(H)N1-C (MOV-76C(H)N1-C*2) MOV-120C(H)N1-C

DM13-01.01.16en Air-cooled Package

Service manual 5

3. Nomenclature

3.1 Indoor unit:

3.2 Outdoor unit:

M T A–76 C R N1

None：R22；N1：R410a

R：Remote Controller

Function Code: C: Cooling

H: Cooling and Heating

Cooling Capacity (*76 kBtu/h)

Product Series

A: 1st time design

B: 2nd time design

Indoor Units

T: Duct type

H: High static pressure

Midea

Design times

None：R22；

N1：R410a

Function Code：

C: Cooling Only

H: Heat pump

Cooling Capacity (76 kBtu/h)

Universal Outdoor Unit

Outdoor Unit

Midea

M O V 76 C N1 - C

Air-cooled Package DM13-01.01.16en

6 Service manual

Part 2 Indoor Units

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

2. Specifications ..................................................................... 8

3. Dimensions ....................................................................... 11

4. Service Space ................................................................... 12

5. Piping Diagrams ............................................................... 14

6. Wiring Diagrams............................................................... 14

7.Capacity Table.................................................................... 19

8. Static Pressure.................................................................. 33

9. Electric Characteristics.................................................... 35

10. Sound Levels .................................................................. 36

11. Troubleshooting.............................................................. 37

DM13-01.01.16en Air-cooled Package

Service manual 7

1. Features

1. Nested in the ceiling, space-saving and noble.

2. High capacity of cooling/heating, efficient, and energy-saving.

3. The air outlet is laid out according to you desire.

4. Economic and convenient installation

1) Several diffusers branch off from an indoor unit, adjusting the room temperature, which makes many

rooms to be air-conditioned with only one indoor unit.

2) All models feature thin design making them applicable to ceiling pocket that tends to be shallow

5. Way of air intake and inserting air filter

6. It is suitable be used for office, hospital, commercial place and home, the air conditioner will create the

comfortable and elegance environment for you.

Air-cooled Package DM13-01.01.16en

8 Service manual

2. Specifications

Model MTA-76CRN1 MTA-76HRN1 MTA-96CRN1 MTA-96HRN1

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

Temp. setting range ℃ ≥17 ≤30 ≥17 ≤30

Rated input power W 11700 11700 14400 14400

Rated current A 19.3 19.3 23.7 23.7

Cooling

Capacity

Btu/h 76000 76000 96000 96000

W22000 22000 28000 28000

Input W 7500 7500 9600 9600

EER W/W 2.93 2.93 2.92 2.92

Heating

Capacity

Btu/h / 78000 / 105000

W / 25000 / 31000

Input W / 8300 / 10300

COP W/W / 3.01 / 3.01

Indoor air flow m3/h 4250 4250 5100 5100

Indoor standard ESP Pa 100 100 100(98) 100(98)

Indoor noise level dB(A) 54 54 55 55

Refrigerant

Type - R410A R410A R410A R410A

Control - Capillary Capillary

Fan

Type - Centrifugal fan Centrifugal fan Centrifugal fan Centrifugal fan

Dimension mm Φ307 Φ307 Φ307 Φ307

Drive type/ Motor step - Direct/ Single Direct/ Single Direct/ Single Direct/ Single

Motor input* No. W 446*2 446*2 725*2 725*2

Motor speed rpm 877 877 1136 1136

Coil

Type - Copper tube and aluminum fin Copper tube and aluminum fin

Tube size mm Φ9.52 Φ9.52 Φ9.52 Φ9.52

No. of rows - 3 3 4 4

Fin per inch FPI 17 17 17 17

Length* height mm 1200*406.4 1200*406.4 1200*406 1200*406

Controller - Remote controller Remote controller

Drain pipe size mm 41 41 41 41

Dimension (W*H*D) mm 1350*760*450 1350*760*450 1350*760*450 1350*760*450

Packing (W*H*D) mm 1549*476*917 1549*476*917 1549*917*476 1549*917*476

Net/Gross weight kg 105/120 105/120 105/120 105/120

Shipping Qty.(20’/40’/40’HQ) pcs. 30/64/64 30/64/64 30/64/64 30/64/64

Notes:

1. ESP: external static pressure

2. Nominal cooling capacities are based on the following conditions:

Indoor temp: 27°CDB, 19°CWB; Outdoor temp: 35°CDB, 24°CWB; Equivalent refrigerant piping: 7.5m (horizontal).

3. Nominal heating capacities are based on the following conditions:

Indoor temp: 20°CDB, 15°CWB; Outdoor temp: 7°CDB, 6°CWB; Equivalent refrigerant piping: 7.5m (horizontal).

DM13-01.01.16en Air-cooled Package

Service manual 9

Model MTA-120CRN1 MTA-120HRN1 MTA-150CRN1 MTA-150CRN1

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

Temp. setting range ℃ ≥17 ≤30 ≥17 ≤30

Rated input power W 17300 17300 21200 21200

Rated current A 28.6 28.6 35 35

Cooling

Capacity

Btu/h 120000 120000 150000 150000

W35000 35000 44000 44000

Input W 12000 12000 15100 15100

EER W/W 2.92 2.92 2.91 2.91

Heating

Capacity

Btu/h / 120000 / 160000

W / 38000 / 47000

Input W / 12600 / 15700

COP W/W / 3.02 / 3

Indoor air flow m3/h 6375 6375 7650 7650

Indoor standard ESP Pa 150 150 150 150

Indoor noise level dB(A) 56 56 56 56

Refrigerant

Type - R410A R410A R410A R410A

Control - Capillary Capillary

Fan

Type - Centrifugal fan Centrifugal fan Centrifugal fan Centrifugal fan

Dimension mm Φ307 Φ307 Φ307 Φ307

Drive type/ Motor step - Direct/ Single Direct/ Single Direct/ Single Direct/ Single

Motor input * No. W 498*3 498*3 630*3 630*3

Motor speed rpm 860 860

1202 1202

Coil

Type - Copper tube and aluminum fin Copper tube and aluminum fin

Tube size mm Φ7 Φ7 Φ7 Φ7

No. of rows 4 4 4 4

Fin per inch FPI 17 17 17 17

Length* height mm 1602*588 1602*588 1602*588 1602*588

Controller - Remote controller Remote controller

Drain pipe size mm 41 41 41 41

Dimension (W*H*D) mm 1828*858*638 1828*858*638 1828*858*638 1828*858*638

Packing (W*H*D) mm 2095*929*689 2095*929*689 2095*929*689 2095*929*689

Net/Gross weight kg 188/220 188/220 188/200 188/200

Shipping Qty per (20'/40'/40'HD) pcs 19/42/46 19/42/46 19/42/46 19/42/46

Notes:

1. ESP: external static pressure

2. Nominal cooling capacities are based on the following conditions:

Indoor temp: 27°CDB, 19°CWB; Outdoor temp: 35°CDB, 24°CWB; Equivalent refrigerant piping: 7.5m (horizontal).

3. Nominal heating capacities are based on the following conditions:

Indoor temp: 20°CDB, 15°CWB; Outdoor temp: 7°CDB, 6°CWB; Equivalent refrigerant piping: 7.5m (horizontal).

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