Daikin RQYQ8-48PY1B Manuals

Manuals and User Guides for Daikin RQYQ8-48PY1B. We have 1 Daikin RQYQ8-48PY1B manual available for free PDF download: Service Manual

Daikin RQYQ8-48PY1B Service Manual

Daikin RQYQ8-48PY1B Service Manual (213 pages)

Brand: Daikin | Category: Heat Pump | Size: 9.71 MB
Table of contents
Table Of Contents2................................................................................................................................................................
Introduction5................................................................................................................................................................
Safety Cautions5................................................................................................................................................................
Used Icons9................................................................................................................................................................
Preface10................................................................................................................................................................
Part 1 General Information11................................................................................................................................................................
Model Names Of Indoor / Outdoor Units12................................................................................................................................................................
Indoor Units12................................................................................................................................................................
Outdoor Units13................................................................................................................................................................
Air Treatment Equipment13................................................................................................................................................................
External Appearance14................................................................................................................................................................
Combination Of Outdoor Units16................................................................................................................................................................
Capacity Range17................................................................................................................................................................
Features19................................................................................................................................................................
Benefits Of System Replacement20................................................................................................................................................................
System Flexibility21................................................................................................................................................................
Procedure Of Reuse Of Existing Piping22................................................................................................................................................................
Vacuum Drying23................................................................................................................................................................
Guidelines For Reuse Of Existing Refrigerant Piping24................................................................................................................................................................
Pipe Size Selection26................................................................................................................................................................
Outdoor Unit26................................................................................................................................................................
General Information26................................................................................................................................................................
Part 2 Specifications27................................................................................................................................................................
Specifications28................................................................................................................................................................
Part 3 Refrigerant Circuit39................................................................................................................................................................
Refrigerant Circuit40................................................................................................................................................................
Rqyq8py1b40................................................................................................................................................................
Refrigerant Circuit Part40................................................................................................................................................................
Rqyq10·12py1b42................................................................................................................................................................
Rqyq14·16py1b44................................................................................................................................................................
Functional Parts Layout46................................................................................................................................................................
Refrigerant Flow For Each Operation Mode49................................................................................................................................................................
Rqyq8~16py1b49................................................................................................................................................................
Heating Operation51................................................................................................................................................................
Part 4 Function52................................................................................................................................................................
Function General53................................................................................................................................................................
Operation Mode53................................................................................................................................................................
Detailed Control Functions54................................................................................................................................................................
Stop Operation54................................................................................................................................................................
Standby54................................................................................................................................................................
Startup Control55................................................................................................................................................................
Normal Operation56................................................................................................................................................................
Compressor Pi Control57................................................................................................................................................................
Electronic Expansion Valve Pi Control60................................................................................................................................................................
Protection Control61................................................................................................................................................................
Low Pressure Protection Control62................................................................................................................................................................
Discharge Pipe Protection Control64................................................................................................................................................................
Inverter Protection Control65................................................................................................................................................................
Special Control67................................................................................................................................................................
Defrost Operation69................................................................................................................................................................
Part 5 Test Operation70................................................................................................................................................................
Test Operation71................................................................................................................................................................
Procedure And Outline71................................................................................................................................................................
Test Operation Part71................................................................................................................................................................
Check Operation74................................................................................................................................................................
Remote Controller Displays Error Code76................................................................................................................................................................
Checking In Normal Operation77................................................................................................................................................................
Field Setting From Outdoor Unit78................................................................................................................................................................
Emergency Operation98................................................................................................................................................................
Part 6 Service Diagnosis100................................................................................................................................................................
Symptom-based Troubleshooting102................................................................................................................................................................
Troubleshooting By Remote Controller105................................................................................................................................................................
Procedure Of Self-diagnosis By Remote Controller105................................................................................................................................................................
Wireless Remote Controller107................................................................................................................................................................
Service Diagnosis111................................................................................................................................................................
Pcb Abnormality114................................................................................................................................................................
Actuation Of High Pressure Switch Or Pressure Switch115................................................................................................................................................................
Actuation Of High Pressure Switch (s1ph) Or Pressure Switch (s2p)116................................................................................................................................................................
Troubleshooting117................................................................................................................................................................
Actuation Of Low Pressure Sensor118................................................................................................................................................................
Inverter Compressor Motor Lock120................................................................................................................................................................
Std Compressor Motor Overcurrent/lock122................................................................................................................................................................
Outdoor Unit Fan Motor Abnormality123................................................................................................................................................................
Electronic Expansion Valve Coil Abnormality (y1e~y3e)126................................................................................................................................................................
Abnormal Discharge Pipe Temperature128................................................................................................................................................................
Humidity Alarm130................................................................................................................................................................
Refrigerant Overcharged132................................................................................................................................................................
High Pressure Switch System Abnormality133................................................................................................................................................................
Abnormal Outdoor Fan Motor Signal134................................................................................................................................................................
Thermistor System Abnormality136................................................................................................................................................................
High Pressure Sensor Abnormality137................................................................................................................................................................
Current Sensor Abnormality139................................................................................................................................................................
Low Pressure Sensor Abnormality142................................................................................................................................................................
Inverter Pcb Abnormality144................................................................................................................................................................
Inverter Radiation Fin Temperature Rise146................................................................................................................................................................
Momentary Overcurrent Of Inverter Compressor147................................................................................................................................................................
Overcurrent Abnormal Of Inverter Compressor149................................................................................................................................................................
Inverter Compressor Starting Abnormality151................................................................................................................................................................
Transmission System Error (between Inverter And Main Pcb)153................................................................................................................................................................
Inverter Over-ripple Protection155................................................................................................................................................................
Inverter Radiation Fin Temperature Abnormality157................................................................................................................................................................
Field Setting Abnormality After Replacing Main Pcb Or Combination Error Of Pcb158................................................................................................................................................................
Refrigerant Shortage159................................................................................................................................................................
Reverse Phase, Open Phase161................................................................................................................................................................
Power Supply Insufficient Or Instantaneous Failure162................................................................................................................................................................
Check Operation Is Not Executed165................................................................................................................................................................
Transmission Error (between Indoor And Outdoor Units)166................................................................................................................................................................
Transmission Error (between Remote Controller And Indoor Unit)169................................................................................................................................................................
Transmission Error (across Outdoor Units)170................................................................................................................................................................
Transmission Error (between Main And Sub Remote Controllers)176................................................................................................................................................................
Transmission Error (between Indoor And Outdoor Units In The Same System)177................................................................................................................................................................
Improper Combination Of Indoor And Outdoor Units, Indoor Units And Remote Controller178................................................................................................................................................................
Address Duplication Of Centralized Controller182................................................................................................................................................................
Transmission Error (between Centralized Controller And Indoor Unit)183................................................................................................................................................................
System Is Not Set Yet186................................................................................................................................................................
System Error, Refrigerant System Address Undefined187................................................................................................................................................................
Check189................................................................................................................................................................
Part 7 Appendix205................................................................................................................................................................
Piping Diagrams206................................................................................................................................................................
Wiring Diagrams209................................................................................................................................................................
Accessories212................................................................................................................................................................
Optional Accessories212................................................................................................................................................................

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