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MSG-12HRIN2
Midea MSG-12HRIN2 User Manual
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Service manual
49
13.6
Operation lamp off and Timer lamp flashes
13.7
Operation lamp on and Timer lamp flashes
EEROM error
, indoor PCB is defective.
13.8
Operation lamp flashes, Timer lamp flashes
This is alarm signal when the main chip can’t det
ect over-zero signal. When such failure occurs, the
main control board must have fault.
52
54
Table of Contents
Default Chapter
2
Table of Contents
2
1 Precaution
5
Safety Precaution
5
Warning
5
2 Function
7
3 Dimension
9
Indoor Unit（Alfa
9
Outdoor Unit（Alfa
9
Indoor Unit（Corona
10
Outdoor Unit（Corona
10
Indoor Unit(Inverter Eco)
11
Outdoor Unit(Inverter Eco)
11
Indoor Unit(Inverter Star)
12
Outdoor Unit(Inverter Star)
12
4 Specification
13
5 Refrigerant Cycle Diagram
16
6 Operation Limits
17
Cooling Operation
17
Heating Operation
17
7 Schematic Diagram and Wiring Diagram
18
Schematic Diagram
18
Wiring Diagram
22
8 Installation Details
27
Wrench Torque Sheet for Installation
27
Connecting the Cables
27
Pipe Length and the Elevation
27
Air Purging of the Piping and Indoor Unit
28
Pumping down (Re-Installation)
29
Re-Air Purging (Re-Installation)
30
Balance Refrigerant of the 2-Way, 3-Way Valves
31
Evacuation
32
Gas Charging
33
9 Pressure Table
34
Msh-18Hrin1
34
Msc-18Hrin1
34
10 Capacity Table
35
Msh-18Hrin1
35
Msc-18Hrin1
36
Msg-09Hri
37
Msg-12Hri
37
Msg-21Hri
38
Msg-24Hri
38
11 Electronic Function
39
Display Board
39
Protection
39
Fan-Only Mode
39
Cooling Mode
39
Dehumidifying Mode
40
Heating Mode
40
Defrosting Operation (Available for Heating Only)
42
Outdoor Low Temperature Protection (Optional)
42
Automatic Operation Mode
42
Manual Switch
43
Timer Function
43
Sleep Mode
43
Auto Restart Function
43
Turbo Function
43
Plasma
43
12 Model and Parameters
44
13 Troubleshooting
46
Indoor Unit Error Display
46
Diagnostic Chart
51
Resetting Phenomenon Often Occurs During Operation
52
Operation Lamp Flashes and Timer Lamp off
52
Operation Lamp Flashes and Timer Lamp on
52
Operation Lamp off and Timer Lamp Flashes
53
Operation Lamp on and Timer Lamp Flashes
53
Operation Lamp Flashes, Timer Lamp Flashes
53
14 Characteristic of Temperature Sensor
54
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Midea MSG-12HRIN2 Specifications
General
Brand
Midea
Model
MSG-12HRIN2
Category
Air Conditioner
Language
English
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