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CU-5E36QBU service manual Refrigeration Cycle Diagram
Models:
CU-5E36QBU
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Troubleshooting
Specs
Operation Characteristics
Install
Parts list
Refrigeration Cycle Diagram
Dimension
For R410A models, when connecting the piping, do not use any existing R22 pipes and flare nuts. Using such same may cause abnormally high pressure in the refrigeration cycle piping, and possibly result in explosion and injury. Use only R410A materials
Disassembly and Assembly Instructions
Time Delay Safety Control Restart Control
Page 10
Image 10
4. Refrigeration Cycle Diagram
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Contents
PRECAUTION OF LOW TEMPERATURE
Air Conditioner Outdoor Unit CU-5E36QBU
Destination U.S.A Canada
Order No: PAPAMY1312037CE
TABLE OF CONTENTS
1. Safety Precautions
18.For R410A models, when connecting the piping, do not use any existing R22 pipes and flare nuts. Using such same may cause abnormally high pressure in the refrigeration cycle piping, and possibly result in explosion and injury. Use only R410A materials
Unit
2. Specifications
Item
OUTDOOR UNIT
OUTDOOR UNIT
Item
Unit
Dry Bulb
∙Multi Split Combination Possibility
∙Outdoor Unit : CU-5E36QBU
3. Dimensions
4. Refrigeration Cycle Diagram
5. Block Diagram
Resistance of Compressor Windings
Wiring
RECTIFICATION CIRCUIT SWITCHING POWER SUPPLY
CIRCUIT
7. Electronic Circuit Diagram
8. Printed Circuit Board
8.1Main Printed Circuit Board
8.2Noise Filter Printed Circuit Board
8.3Display Printed Circuit Board
9. Installation Information
9.1Check Points
10. Installation Instruction
10.1 Select The Best Location
Outdoor Unit Installation Guidelines
10.2 Install The Outdoor Unit
10.3 Connect The Piping
Gas Leak Checking
10.4 Evacuation Of The Equipment
CUTTING AND FLARING THE PIPING
10.5Connect The Cable To The Outdoor Unit
10.6Heat Insulation
10.7Disposal Of Outdoor Unit Drain Water
11.1 Cooling Operation
11.1.3Cooling Powerful Operation
11. Operation Control
11.1.1Outdoor fan control
11.2.1Outdoor fan control
11.2.3Powerful Operation
11.2 Heating Operation
11.2.2Heating Room Temp Sampling Control
12. Simultaneous Operation Control
13.1 Freeze Prevention control Cool
13. Protection Control
13.2 Dew Prevention control Cool
13.5 Cooling overload control Cool
13.6 Heating overload control Heat
13.8 Deice Control
13.9 Time Delay Safety Control Restart Control
13.12 IPM power transistor Protection Control
13.10 30 seconds Force Operation
13.15 Valve close detection control
14.1.1Pump down operation SW1
14. Servicing Mode
14.1.2Test Run Operation
14.1.5Mode priority function
14.1.3Wiring Error Check
14.1.4Power Save Mode
14.1.6Cooling only function
15. Troubleshooting Guide
15.1 Self Diagnosis Function
Page
Page
16.1.1Removing the Cabinet Top Plate
16. Disassembly and Assembly Instructions
16.1 Outdoor Unit Removal Procedure
Fig.
4.Remove the particular plate remove the 8 screws
16.1.3Removing the Cabinet Front Plate
3.Remove the particular plate remove the 3 screws
Fig.
16.1.4Removing the Control P.C. Board
16.1.5Removing the Propeller Fan and Fan Motor
∙Cooling Characteristic
17. Technical Data
17.1 Operation Characteristics
17.1.1One Indoor Unit Operation
∙Cooling Characteristic
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Cooling Characteristic
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Cooling Characteristic
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Heating Characteristic
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Heating Characteristic
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Heating Characteristic
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Heating Characteristic
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Cooling Characteristic
17.1.2Two Indoor Unit Operation
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Cooling Characteristic
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Cooling Characteristic
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Cooling Characteristic
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Cooling Characteristic
Piping Length 7.5m 24.6 ft 230V 60Hz
∙Cooling Characteristic
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Heating Characteristic
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Heating Characteristic
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Heating Characteristic
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Heating Characteristic
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Heating Characteristic
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Heating Characteristic
Piping Length 7.5m 24.6 ft 230V 60Hz
∙Cooling Characteristic
17.1.3Three Indoor Unit Operation
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Cooling Characteristic
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Cooling Characteristic
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Cooling Characteristic
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Heating Characteristic
Piping Length 7.5m 24.6 ft 230V 60Hz
∙Heating Characteristic
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Heating Characteristic
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Heating Characteristic
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Cooling Characteristic
17.1.4Four Indoor Unit Operation
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Heating Characteristic
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Cooling Characteristic
17.1.5Five Indoor Unit Operation
Piping Length: 7.5m 24.6 ft 230V 60Hz
∙Heating Characteristic
Piping Length 7.5m 24.6 ft 230V 60Hz
18. Exploded View and Replacement Parts List
DESCRIPTION & NAME
SAFETY
REF.NO
CU-5E36QBU
REF.NO
PAPAMY Printed in Malaysia FY1213-0
SAFETY
DESCRIPTION & NAME