MRCOOL MDUI18048060E Bruksanvisning
MRCOOL
Luftkonditionering
MDUI18048060E
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1
DC COOLING ONLY INVERTER
CONDENSING UNIT SERVICE MANUAL
Capacity: 24000Btu/h~54000Btu/h
Rate 60Hz Frequency:
Operation 39.2°F(4°C)~118.4°F Range: (48°C)
Foreword
Thank you for choosing MRCOOL Universal air conditioners. In order to correctly install and use our units,.
and for the carefully. satisfactory operation eect, please read this manual
This manual species safe operation requirements from perspectives of product introduction, control,
troubleshooting and maintenance, as well as basic principles and implementation methods. Professional
operators must abide by relevant national (local) safety requirements and technical specications set forth in
this manual during operations; otherwise, the air conditioning system may fail or be damaged, and personnel
safety accident may also occur.
Safet Notice y
Before using the air conditioner, please first read the instruction manual.
Before installing the air conditioner, please rst read the instruction manual.
Before repairing the air conditioner, please rst read the technical service manual.
CONTENTS
1 Product Introduction ...................................................................................................... 3
1.1 Lists of Units .......................................................................................................................... 3
1.2 Electrical Parameters ............................................................................................................. 5
2 Control ............................................................................................................................. 6
2.1 Operation Mode ..................................................................................................................... 6
2.2 Control Mode ......................................................................................................................... 7
2.3 Functions ............................................................................................................................... 8
3 Troubleshooting ............................................................................................................ 12
3.1 Wiring Diagrams .................................................................................................................. 12
3.2 PCB Layout .......................................................................................................................... 15
3.3 Error Code ........................................................................................................................... 22
3.4 Troubleshooting ................................................................................................................... 23
3.5 Failures Not Caused by Errors ............................................................................................. 48
4 Maintenance .................................................................................................................. 50
4.1 System Diagram .................................................................................................................. 50
4.2 Connection Pipe Vacuum Pumping ...................................................................................... 50
4.3 Refrigerant Charging ............................................................................................................ 52
4.4 Maintenance of Major Components ...................................................................................... 54
4.5 Removal of Major Components ............................................................................................ 62
4.6 Explosive View and Lists of Parts ......................................................................................... 84
Appendices ...................................................................................................................... 91
1 Resistance/Temperature Lists of Temperature Sensors ...........................................91
1.1 Voltage List of 15 KΩ Temperature Sensors ......................................................................... 91
1.2 Voltage List of 20 KΩ Pipeline Temperature Sensors ........................................................... 93
1.3 Voltage List of 50 KΩ Discharge Temperature Sensors ........................................................ 95
2 Temperature/Pressure List of Refrigerant .................................................................. 98
3 Operation Tools ............................................................................................................ 98
Produktspecifikationer
| Varumärke: | MRCOOL |
| Kategori: | Luftkonditionering |
| Modell: | MDUI18048060E |
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