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Panasonic CU-5E36QBU service manual 17.1.2Two Indoor Unit Operation, ∙Cooling Characteristic

Models: CU-5E36QBU

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17.1.2Two Indoor Unit Operation

17.1.2Two Indoor Unit Operation

∙Cooling Characteristic

[Condition] Room temperature: 80.06°F (26.7°C) (DBT), 66.92°F (19.4°C) (WBT) Operation condition: High fan speed

Piping Length: 7.5m (24.6 ft)

230V 60Hz

A) Indoor unit capacity: Cooling (2.0 + 2.5: CS-ME7QKUA + CS-E9NKUAW), service mode frequency = 49 Hz

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Panasonic CU-5E36QBU 17.1.2Two Indoor Unit Operation, ∙Cooling Characteristic, Piping Length: 7.5m 24.6 ft 230V 60Hz

Contents

Destination U.S.A Canada Air Conditioner Outdoor Unit CU-5E36QBUPRECAUTION 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 Item 2. SpecificationsUnit OUTDOOR UNITUnit ItemOUTDOOR UNIT Dry Bulb∙Multi Split Combination Possibility ∙Outdoor Unit : CU-5E36QBU 3. Dimensions 4. Refrigeration Cycle Diagram 5. Block Diagram RECTIFICATION CIRCUIT SWITCHING POWER SUPPLY WiringResistance of Compressor Windings CIRCUIT7. Electronic Circuit Diagram 8.1Main Printed Circuit Board 8. Printed Circuit Board8.3Display Printed Circuit Board 8.2Noise Filter Printed Circuit Board9.1Check Points 9. Installation Information10.1 Select The Best Location 10. Installation Instruction10.3 Connect The Piping 10.2 Install The Outdoor UnitOutdoor Unit Installation Guidelines Gas Leak CheckingCUTTING AND FLARING THE PIPING 10.4 Evacuation Of The Equipment10.6Heat Insulation 10.5Connect The Cable To The Outdoor Unit10.7Disposal Of Outdoor Unit Drain Water 11. Operation Control 11.1.3Cooling Powerful Operation11.1 Cooling Operation 11.1.1Outdoor fan control11.2 Heating Operation 11.2.3Powerful 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 13.6 Heating overload control Heat 13.5 Cooling overload control Cool13.12 IPM power transistor Protection Control 13.9 Time Delay Safety Control Restart 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 14.1.4Power Save Mode 14.1.3Wiring Error Check14.1.5Mode priority function 14.1.6Cooling only function15.1 Self Diagnosis Function 15. Troubleshooting GuidePage Page 16.1 Outdoor Unit Removal Procedure 16. Disassembly and Assembly Instructions16.1.1Removing the Cabinet Top Plate Fig.3.Remove the particular plate remove the 3 screws 16.1.3Removing the Cabinet Front Plate4.Remove the particular plate remove the 8 screws Fig.16.1.5Removing the Propeller Fan and Fan Motor 16.1.4Removing the Control P.C. Board17.1 Operation Characteristics 17. Technical Data∙Cooling Characteristic 17.1.1One Indoor Unit OperationPiping Length: 7.5m 24.6 ft 230V 60Hz ∙Cooling CharacteristicPiping Length: 7.5m 24.6 ft 230V 60Hz ∙Cooling CharacteristicPiping Length: 7.5m 24.6 ft 230V 60Hz ∙Cooling CharacteristicPiping Length: 7.5m 24.6 ft 230V 60Hz ∙Heating CharacteristicPiping Length: 7.5m 24.6 ft 230V 60Hz ∙Heating CharacteristicPiping Length: 7.5m 24.6 ft 230V 60Hz ∙Heating CharacteristicPiping Length: 7.5m 24.6 ft 230V 60Hz ∙Heating Characteristic17.1.2Two Indoor Unit Operation ∙Cooling CharacteristicPiping Length: 7.5m 24.6 ft 230V 60Hz Piping Length: 7.5m 24.6 ft 230V 60Hz ∙Cooling CharacteristicPiping Length: 7.5m 24.6 ft 230V 60Hz ∙Cooling CharacteristicPiping Length: 7.5m 24.6 ft 230V 60Hz ∙Cooling CharacteristicPiping Length 7.5m 24.6 ft 230V 60Hz ∙Cooling CharacteristicPiping Length: 7.5m 24.6 ft 230V 60Hz ∙Cooling CharacteristicPiping Length: 7.5m 24.6 ft 230V 60Hz ∙Heating CharacteristicPiping Length: 7.5m 24.6 ft 230V 60Hz ∙Heating CharacteristicPiping Length: 7.5m 24.6 ft 230V 60Hz ∙Heating CharacteristicPiping Length: 7.5m 24.6 ft 230V 60Hz ∙Heating CharacteristicPiping Length: 7.5m 24.6 ft 230V 60Hz ∙Heating CharacteristicPiping Length 7.5m 24.6 ft 230V 60Hz ∙Heating Characteristic17.1.3Three Indoor Unit Operation ∙Cooling CharacteristicPiping Length: 7.5m 24.6 ft 230V 60Hz Piping Length: 7.5m 24.6 ft 230V 60Hz ∙Cooling CharacteristicPiping Length: 7.5m 24.6 ft 230V 60Hz ∙Cooling CharacteristicPiping Length: 7.5m 24.6 ft 230V 60Hz ∙Cooling CharacteristicPiping Length 7.5m 24.6 ft 230V 60Hz ∙Heating CharacteristicPiping Length: 7.5m 24.6 ft 230V 60Hz ∙Heating CharacteristicPiping Length: 7.5m 24.6 ft 230V 60Hz ∙Heating CharacteristicPiping Length: 7.5m 24.6 ft 230V 60Hz ∙Heating Characteristic17.1.4Four Indoor Unit Operation ∙Cooling CharacteristicPiping Length: 7.5m 24.6 ft 230V 60Hz Piping Length: 7.5m 24.6 ft 230V 60Hz ∙Heating Characteristic17.1.5Five Indoor Unit Operation ∙Cooling CharacteristicPiping Length: 7.5m 24.6 ft 230V 60Hz Piping Length 7.5m 24.6 ft 230V 60Hz ∙Heating Characteristic18. Exploded View and Replacement Parts List REF.NO SAFETYDESCRIPTION & NAME CU-5E36QBUSAFETY PAPAMY Printed in Malaysia FY1213-0REF.NO DESCRIPTION & NAME