Midea MS9V-09HRDN1-QC2 MS9V-12HRDN1-QC2 Service Manual


Accurate, clear and concise text, combined with detailed illustrations, instruction and diagrams, guide you through procedure of repair, remediate, maintenance and adjustments your Air Conditioner.
The information contained in this repair manual is necessary for the repair, but also prevention, resulting in a longer life of your appliance.
Format of the manual: PDF, makes it easy to navigate, instant download and print. English language.
To see what contain, please read table of contents:

1. PRECAUTION
1.1 Safety Precaution
1.2 Warning

2. FUNCTION
3. DIMENSION
3.1 Indoor Unit
3.2 Outdoor Unit

4. SPECIFICATION
5. REFRIGERANT CYCLE DIAGRAM

6. WIRING DIAGRAM
6.1 Indoor Unit
6.2 Outdoor Unit

7. INSTALLATION DETAILS
7.1 Wrench torque sheet for installation
7.2 Connecting the cables
7.3 Pipe length and the elevation
7.4 Air purging of the piping and indoor unit
7.5 Pumping down (Re-installation)
7.6 Re-air purging (Re-installation)
7.7 Balance refrigerant of the 2-way, 3-way valves
7.8 Evacuation
7.9 Gas charging

8. OPERATION CHARACTERISTICS
8.1 MS9V-09HRDN1-QC2
8.2 MS9V-12HRDN1-QC2

9. ELECTRONIC FUNCTION
9.1 Abbreviation
9.2 Display function
9.3 Protection
9.4 Fan-Only Mode
9.5 Cooling Mode
9.6 Drying mode
9.7 Heating mode
9.8 Auto mode function
9.9 Forced operation function
9.10 Action of 4-way valve
9.11 Two speeds outdoor fan function
9.12 Timer function
9.13 Sleep function mode
9.14 Auto-Restart function
9.15 Ionizer (optional)
9.16 Outdoor chassis heating cable (optional)

10. TROUBLESHOOTING
10.1 Indoor Unit Error Display
10.2 Diagnosis and Solution
10.3 Key parts checking