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Panasonic CU-5E36QBU service manual 16.1.4Removing the Control P.C. Board

Models: CU-5E36QBU

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16.1.4Removing the Control P.C. Board

16.1.4Removing the Control P.C. Board

6. Remove the cover by release the screw.

Fig. 6

7.Disconnect the connectors (lead wires of the compressor, sensors, and others).

8.Release the Control P.C. Board tab to remove the Control P.C. Board.

Fig. 7

16.1.5Removing the Propeller Fan and Fan Motor

9.Remove the propeller fan by removing the nut turning clockwise as its center.

10.Disconnect the fan motor connector from the Control P.C. Board. Loosen the 4 fan motor mounting screws then remove the fan motor.

Fig. 8

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Image 36

Panasonic CU-5E36QBU service manual 16.1.4Removing the Control P.C. Board, 16.1.5Removing the Propeller Fan and Fan Motor

Contents

Air Conditioner Outdoor Unit CU-5E36QBU Destination U.S.A CanadaPRECAUTION OF LOW TEMPERATURE Order No: PAPAMY1312037CETABLE 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 2. Specifications ItemUnit OUTDOOR UNITItem UnitOUTDOOR UNIT Dry Bulb∙Multi Split Combination Possibility ∙Outdoor Unit : CU-5E36QBU 3. Dimensions 4. Refrigeration Cycle Diagram 5. Block Diagram Wiring RECTIFICATION CIRCUIT SWITCHING POWER SUPPLYResistance of Compressor Windings CIRCUIT7. Electronic Circuit Diagram 8. Printed Circuit Board 8.1Main Printed Circuit Board8.2Noise Filter Printed Circuit Board 8.3Display Printed Circuit Board9. Installation Information 9.1Check Points10. Installation Instruction 10.1 Select The Best Location10.2 Install The Outdoor Unit 10.3 Connect The PipingOutdoor Unit Installation Guidelines Gas Leak Checking10.4 Evacuation Of The Equipment CUTTING AND FLARING THE PIPING10.5Connect The Cable To The Outdoor Unit 10.6Heat Insulation10.7Disposal Of Outdoor Unit Drain Water 11.1.3Cooling Powerful Operation 11. Operation Control11.1 Cooling Operation 11.1.1Outdoor fan control11.2.3Powerful Operation 11.2 Heating Operation11.2.1Outdoor fan control 11.2.2Heating Room Temp Sampling Control12. Simultaneous Operation Control 13. Protection Control 13.1 Freeze Prevention control Cool13.2 Dew Prevention control Cool 13.5 Cooling overload control Cool 13.6 Heating overload control Heat13.9 Time Delay Safety Control Restart Control 13.12 IPM power transistor Protection Control13.8 Deice Control 13.10 30 seconds Force Operation13.15 Valve close detection control 14. Servicing Mode 14.1.1Pump down operation SW114.1.2Test Run Operation 14.1.3Wiring Error Check 14.1.4Power Save Mode14.1.5Mode priority function 14.1.6Cooling only function15. Troubleshooting Guide 15.1 Self Diagnosis FunctionPage Page 16. Disassembly and Assembly Instructions 16.1 Outdoor Unit Removal Procedure16.1.1Removing the Cabinet Top Plate Fig.16.1.3Removing the Cabinet Front Plate 3.Remove the particular plate remove the 3 screws4.Remove the particular plate remove the 8 screws Fig.16.1.4Removing the Control P.C. Board 16.1.5Removing the Propeller Fan and Fan Motor17. Technical Data 17.1 Operation Characteristics∙Cooling Characteristic 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 60Hz17.1.2Two Indoor Unit Operation ∙Cooling CharacteristicPiping 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 60Hz17.1.3Three Indoor Unit Operation ∙Cooling CharacteristicPiping 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 60Hz17.1.4Four Indoor Unit Operation ∙Cooling CharacteristicPiping Length: 7.5m 24.6 ft 230V 60Hz ∙Heating Characteristic Piping Length: 7.5m 24.6 ft 230V 60Hz17.1.5Five Indoor Unit Operation ∙Cooling CharacteristicPiping Length: 7.5m 24.6 ft 230V 60Hz ∙Heating Characteristic Piping Length 7.5m 24.6 ft 230V 60Hz18. Exploded View and Replacement Parts List SAFETY REF.NODESCRIPTION & NAME CU-5E36QBUPAPAMY Printed in Malaysia FY1213-0 SAFETYREF.NO DESCRIPTION & NAME