Midea MSG-12HRN2 Manuals

Manuals and User Guides for Midea MSG-12HRN2. We have 2 Midea MSG-12HRN2 manuals available for free PDF download: Manual, Service Manual

Midea MSG-12HRN2 Manual (360 pages)

Midea Air Conditioner service manual

Brand: Midea | Category: Air Conditioner | Size: 12 MB

Contents
1
Table of Contents
2
Features
3
Specification
4
Indoor Unit
5
Dimensions
5
Refrigeration Cycle Diagram
8
Pressure Table
9
Capacity Table
12
- Schematic Diagram
  17
- Cooling Only
  18
Wiring Diagram
18
- Msh-12Hrn1 Wiring Diagram
  21
- Electric Control Working Environment
  22
Electronic Function
22
- Protection
  23
- The Current Protection of the Compressor
  23
- Fan-Only Mode
  23
- Cooling Mode
  23
- Dehumidifying Mode
  24
- Compressor and Indoor Fan Actions in Dehumidifying Mode
  24
- Low Room Temperature Protection
  25
- Heating Mode
  25
- Indoor Fan Actions at Heating Mode
  25
- Auto Wind at Heating Mode
  25
- Ending Condition of Defrosting
  26
- Indoor Evaporator High-Temperature Protection at Heating Mode
  26
- Defrosting Time
  26
- Defrosting Actions
  27
- Automatic Operation Mode
  27
- Forced Cooling Function
  27
- Economic Running
  27
- Heating
  28
- Models and Parameters
  29
- Display Board
  30
Troubleshooting
30
Characteristic of Temp. Sensor
33
- Compact Design
  35
- High Efficiency and Quiet Operation
  35
- Refrigeration Distributor
  38
- Cooling Operation
  39
- Heating Operation
  39
- Operation Limits
  39
- Indoor Unit
  42
- Changing Function Can Not be Set
  43
- Emission Signal Does Not Blink
  43
- Failure and Related Causes of Remote Controller
  43
- Temperature Display Is Dark
  43
- Systematic Functions
  44
- Features
  51
- Specification
  52
- Dimensions
  53
- Refrigeration Cycle Diagram
  54
- Operation Limits
  55
- Outdoor Unit
  56
- Wiring Diagram
  56
- Troubleshooting
  57
- Electronic Function
  58
- Indoor Evaporator High-Temperature Protection under Heating Mode
  61
- Product Features
  65
- Specification
  66
- Dimensions
  70
  - Refrigeration Circuit Drawing of Inverter Binary Type
    71
  - Refrigeration Circuit Drawing of Inverter Trinary Type
    71
- Refrigeration Cycle Diagram
  71
- Operation Limits
  72
- Outdoor Unit Air Temp.
  72
- Capacity Table
  73
  - Capacity Table of Inverter Binary Eco Type
    73
  - Capacity Table of Inverter Trinary Eco Type
    73
- Wiring Diagram
  75
- Electric Control Functions
  77
  - AC Amp Protection
    78
  - High-Pressure Protection and Low-Pressure Protection
    78
  - Outdoor Condenser High Temperature Protection
    78
  - Outdoor Unit Communication Protection
    78
  - Compressor Pre-Heating Function
    79
  - Display Function
    79
  - Outdoor Low Temperature Protection
    79
  - Temperature Sensor Short/Open Protection
    79
  - Indoor Unit(MSG-12HRIN2)
    91
  - Outdoor Unit (MSG-07HRIN2 / MSG-09HRIN2 / MSG-12HRIN2)
    91
  - Indoor Unit Error Display Function
    92
  - Outdoor Unit Error Self-Diagnosis Display
    92
  - Cooling Mode Function Requirement
    94
  - Outdoor Unit Current Control When Cooling
    94
  - Cooling Only
    106
  - For All Cooling Only Model
    112
  - For All Heat Pump Model
    112
  - Auto Fan at Cooling Mode
    114
  - Cute Star Series
    121
  - Light Star Series
    139
  - Bright Star Series
    150
  - Electronic Control Principle of Large Cooling Capacity Split Model A/C
    159
  - Defrosting Mode
    160
  - Auto Mode
    161
  - Economic Mode
    161
  - Forced Cooling
    161
  - Manual Operation
    161
  - Glory (Eco) Star Series
    181
  - Bright Eco Series
    213
- Features
  214
- Specification
  215
- Dimensions
  219
- Refrigeration Cycle Diagram
  222
- Operation Limits
  223
- Wiring Diagram
  224
- Electric Control Functions
  232
- Troubleshooting
  232
- Auto Fan
  245
- Features
  251
- Specification
  252
- Dimensions
  254
- Refrigeration Cycle Diagram
  256
- Operation Limits
  257
- Wiring Diagram
  258
- Electric Control Functions
  262
- Troubleshooting
  262
  - Cooling Mode
    264
  - Light Star Series
    273
  - DC INVERTER Wall Mounted
    277
- Features
  278
- Specification
  279
- Dimensions
  280
- Refrigeration Cycle Diagram
  282
- Pressure Table
  283
- Capacity Table
  285
- Operation Limits
  287
- Indoor Main PCB
  288
- PCB Diagram
  288
  - Outdoor Main PCB
    289
  - Indoor Pcb
    290
  - MSH-09HRDN1 Indoor Unit
    290
- Wiring Diagram
  290
  - MSH-12HRDN1 Indoor Unit
    291
  - MSH-12HRDN1 Outdoor Unit
    291
- Electronic Function
  292
- Troubleshooting
  299
- Characteristic of Temp. Sensor
  305
- Features
  308
- Specification
  309
- Dimensions
  311
- Refrigeration Cycle
  313
- Diagram
  315
- Wiring
  315
- Troubleshooting
  319
- Electronic Function
  321
- Features
  332
- Specification
  333
- Dimensions
  335
- Refrigeration Cycle Diagram
  337
- Capacity Table
  338
- Wiring Diagram
  344
- Display Board
  356
- Troubleshooting
  356
- Characteristic of Temp. Sensor
  359

Midea MSG-12HRN2 Service Manual (50 pages)

Split Wall-Mounted Type

Brand: Midea | Category: Air Conditioner | Size: 1 MB

Table of Contents
3
1 Precaution

5
- Safety Precaution
  5
- Warning
  5
2 Function

7
3 Dimension

9
- Indoor Unit
  9
- Outdoor Unit
  10
4 Specification

11
5 Refrigerant Cycle Diagram

15
6 Operation Limits

16
- Cooling Operation
  16
- Heating Operation
  16
7 Schematic Diagram and Wiring Diagram

17
- Schematic Diagram
  17
- Wiring Diagram
  18
8 Installation Details

23
9 Capacity Table

30
- Msg-07Crn2
  30
- Msg-07Hrn2
  30
- Msg-09Crn2
  31
- Msg-09Hrn2
  31
- Msg-12Crn2
  32
- Msg-12Hrn2
  32
- Msg-16Crn2
  33
- Msg-16Hrn2
  33
- Msg-18Crn2
  34
- Msg-18Hrn2
  34
- Msg-21Crn2
  35
- Msg-21Hrn2
  35
10 Electronic Function

36
- Electronic Control Working Environment
  36
- Proper Symbols and Their Meaning
  36
- Function
  36
- Protection
  37
- Fan-Only Mode
  37
- Cooling Mode
  37
- Dehumidifying Mode
  38
- Heating Mode
  39
- Defrosting Mode(Available for Heating Mode)
  40
- Auto Mode
  41
- Force Cooling Function
  42
- Sleep Mode
  42
- Auto Restart Function
  43
- Anion (Optional)
  43
11 Model and Parameters

44
12 Troubleshooting

45
13 Characteristic of Temperature Sensor

50

Midea Categories

Air Conditioner

Refrigerator

Microwave Oven

Washer

Dishwasher

More Midea Manuals

Midea MSG-12HRN2 Manuals

Midea MSG-12HRN2 Manual (360 pages)

Table of Contents

Midea MSG-12HRN2 Service Manual (50 pages)

Table of Contents

1 Precaution

2 Function

3 Dimension

4 Specification

5 Refrigerant Cycle Diagram

6 Operation Limits

7 Schematic Diagram and Wiring Diagram

8 Installation Details

9 Capacity Table

10 Electronic Function

11 Model and Parameters

12 Troubleshooting

13 Characteristic of Temperature Sensor

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