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CU-2S18NBU-1 service manual Dimensions
Models:
CU-2S18NBU-1
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43 pages
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Troubleshooting
Specs
Operation Characteristics
Install
Parts list
Refrigeration Cycle Diagram
Dimension
10.3.1Connecting the Piping to Outdoor Unit
Disassembly and Assembly Instructions
Time Delay Safety Control Restart Control
Page 7
Image 7
3. Dimensions
7
Page 6
Page 8
Page 7
Image 7
Page 6
Page 8
Contents
8.2 Noise Filter Printed Circuit Board
TABLE OF CONTENTS
Outdoor Unit CU-2S18NBU-1
8.1 Main Printed Circuit Board
17. Exploded View and Replacement Parts List..41
15. Disassembly and Assembly Instructions
1. Safety Precautions
Power supply connection to the air conditioner
CU-2S18NBU-1
2. Specification
Model
Outdoor Unit
Multi split combination possibility
3. Dimensions
4. Refrigeration Cycle Diagram
5. Block Diagram
6. Wiring Connection Diagram
7. Electronic Circuit Diagram
8.1Main Printed Circuit Board
8. Printed Circuit Board
8.2Noise Filter Printed Circuit Board
9.1Check Points
9. Installation Information
QUICK GUIDE
10.1 SELECT THE BEST LOCATION
10. Installation Instruction
Outdoor Unit Installation Guidelines
10.3.2Gas Leak Checking
10.2 INSTALL THE OUTDOOR UNIT
10.3 CONNECT THE PIPING
10.3.1Connecting the Piping to Outdoor Unit
10.5 CONNECT THE CABLE TO THE OUTDOOR UNIT
10.4 EVACUATION OF THE EQUIPMENT
Cutting and Flaring the Piping
10.6 HEAT INSULATION
11.1 Cooling Operation
11. Operation Control
12.1Freeze Prevention control Cool
12. Protection Control
12.2Dew Prevention control Cool
12.7 30 seconds Force Operation
12.6 Time Delay Safety Control Restart Control
12.9 IPM power transistor Protection Control
12.5 Cooling overload control Cool
12.12 Valve close detection control
13.2 Test Operation
13.3 Wiring Error Check
13. Servicing Mode
13.1 Pump Down Operation
13.5 Mode priority function
13.4Power Save Mode
14.1 Self Diagnosis Function
14. Troubleshooting Guide
Abnormality
Illuminate ----------Flashing
Blank ----------OFF
Diagnosis
15.1 Outdoor Unit Removal Procedure
15. Disassembly and Assembly Instructions
15.1.4Removing the Propeller Fan and Fan Motor
15.1.3Removing the Control P.C. Board
3.Disconnect the fan motor connector from the control P.C. Board
16.1 Operation Characteristics
16. Technical Data
81F DBT, 66F WBT
Piping Length Characteristic
Room temperature
oOutdoor temperature 95F DBT
16.1.2CS-S9NKUW-1x2 CU-2S18NBU-1
81F DBT, 66F WBT
Piping Length Characteristic
Room temperature
oOutdoor temperature 95F DBT
16.1.3CS-S12NKUW-1 CU-2S18NBU-1
81F DBT, 66F WBT
Piping Length Characteristic
Room temperature
oOutdoor temperature 95F DBT
16.1.4CS-S12NKUW-1x2 CU-2S18NBU-1
81F DBT, 66F WBT
Piping Length Characteristic
Room temperature
oOutdoor temperature 95F DBT
16.1.5CS-S12NKUW-1+CS-S9NKUW-1 CU-2S18NBU-1
81F DBT, 66F WBT
Piping Length Characteristic
Room temperature
oOutdoor temperature 95F DBT
17. Exploded View and Replacement Parts List
REMARK
REF. NO
DESCRIPTION & NAME
CU-2S18NBU-1
REMARK
REF. NO
DESCRIPTION & NAME
CU-2S18NBU-1
