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MSV1-12HRN1
Midea MSV1-12HRN1 Service Manual
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Service manual
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3
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9.6 Operation lamp flashes and Timer lamp on.
9.7 Operation lamp off and T
imer lamp flashes
9.8 Operation lamp on and T
imer lamp flashes
EEROM error
, indoor PCB is defective.
9.9 Operation lamp flashes, T
imer lamp flashes .
This is alarm signal
when the main chip can’t detect over-z
ero signal. When suc
h failure occurs, the main control bo
ard
must have fault.
35
37
Table of Contents
Default Chapter
3
Table of Contents
3
1 Precaution
5
Safety Precaution
5
Warning
5
Function
8
2 Dimension
9
3 Specification
10
4 Operation Limits
13
5 Wiring Diagram
14
6 Installation Details
16
Wrench Torque Sheet for Installation
16
Connecting the Cables
16
Pipe Length and the Elevation
16
Air Purging of the Piping and Indoor Unit
17
Pumping down (Re-Installation)
19
Re-Air Purging (Re-Installation)
20
Balance Refrigerant of the 2-Way, 3-Way Valves
21
Evacuation
22
Gas Charging
23
7 Electronic Function
24
Electronic Control Working Environment
24
Proper Symbols and Their Meaning
24
Function
25
Protection
25
Fan Only Mode
26
Cooling Mode
26
Dehumidifying Mode
27
Heating Mode
27
Defrosting Mode(Available for Heating Mode)
28
Auto Mode
29
Force Cooling Function
29
Sleep Mode
30
Auto Restart Function
31
Ionizer (Air Clean) Function
31
8 Model and Parameters
32
9 Troubleshooting
33
LCD Display Board
33
Indoor Unit Error Display
34
Diagnostic Chart
34
Resetting Phenomenon Often Occurs During Operation
35
Operation Lamp Flashes and Timer Lamp off
35
Operation Lamp Flashes and Timer Lamp on
36
Operation Lamp off and Timer Lamp Flashes
36
Operation Lamp on and Timer Lamp Flashes
36
Operation Lamp Flashes, Timer Lamp Flashes
36
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Midea MSV1-12HRN1 Specifications
General
Brand
Midea
Model
MSV1-12HRN1
Category
Air Conditioner
Language
English
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