Daikin VRVIII-S Manuals

Manuals and User Guides for Daikin VRVIII-S. We have 2 Daikin VRVIII-S manuals available for free PDF download: Manual, Service Manual

Daikin VRVIII-S Manual

Daikin VRVIII-S Manual (385 pages)

VRV Series Pocket Manual  
Brand: Daikin | Category: Air Conditioner | Size: 1.73 MB
Table of contents
Table Of Contents2................................................................................................................................................................
Applicable Models7................................................................................................................................................................
Symptom-based Troubleshooting17................................................................................................................................................................
Troubleshooting By Remote Controller23................................................................................................................................................................
The Inspection / Test Button23................................................................................................................................................................
Self-diagnosis By Wired Remote Controller24................................................................................................................................................................
Wired Remote Controller25................................................................................................................................................................
Self-diagnosis By Wireless Remote Controller27................................................................................................................................................................
2.4 Error Codes And Description29................................................................................................................................................................
2.5 Error Codes - Sub Codes40................................................................................................................................................................
Outdoor Unit43................................................................................................................................................................
Troubleshooting By Indication On The Remote Controller51................................................................................................................................................................
A0 External Protection Device Abnormality51................................................................................................................................................................
A1 Pcb Abnormality53................................................................................................................................................................
A3 Drain Level Control System (s1l) Abnormality54................................................................................................................................................................
A6 Fan Motor (m1f) Lock, Overload57................................................................................................................................................................
A6 Indoor Unit Fan Motor Abnormality60................................................................................................................................................................
A6 Overload/overcurrent/lock Of Indoor Unit Fan Motor62................................................................................................................................................................
A7 Swing Flap Motor (m1s) Abnormality68................................................................................................................................................................
A8 Power Supply Voltage Abnormality71................................................................................................................................................................
A9 Electronic Expansion Valve Coil Abnormality / Dust Clogging73................................................................................................................................................................
Af Drain Level Above Limit76................................................................................................................................................................
Aj Capacity Determination Device Abnormality78................................................................................................................................................................
C1 Transmission Error (between Indoor Unit Pcb And Fan Pcb)80................................................................................................................................................................
C4 Thermistor For Liquid Pipe Abnormality83................................................................................................................................................................
C5 Thermistor For Gas Pipe Abnormality85................................................................................................................................................................
C6 Combination Abnormality (between Indoor Unit Pcb And Fan Pcb)87................................................................................................................................................................
C9 Thermistor For Suction Air Abnormality89................................................................................................................................................................
Ca Thermistor For Discharge Air Abnormality91................................................................................................................................................................
Cc Humidity Sensor System Abnormality93................................................................................................................................................................
Cj Room Temperature Thermistor In Remote Controller Abnormality95................................................................................................................................................................
E1 Pcb Abnormality97................................................................................................................................................................
E2 Earth Leakage By Leak Detection Pcb Assy99................................................................................................................................................................
E3 Actuation Of High Pressure Sensor102................................................................................................................................................................
E3 Abnormal Discharge Pressure104................................................................................................................................................................
E4 Actuation Of Low Pressure Sensor107................................................................................................................................................................
E4 Abnormal Suction Pressure109................................................................................................................................................................
E5 Inverter Compressor Motor Lock112................................................................................................................................................................
E6 Std Compressor Motor Overcurrent/lock120................................................................................................................................................................
E7 Outdoor Unit Fan Motor Abnormality122................................................................................................................................................................
E9 Electronic Expansion Valve Coil Abnormality135................................................................................................................................................................
F3 Abnormal Discharge Pipe Temperature141................................................................................................................................................................
F6 Refrigerant Overcharged148................................................................................................................................................................
H3 High Pressure Switch System Abnormality153................................................................................................................................................................
H7 Outdoor Unit Fan Motor Signal Abnormality155................................................................................................................................................................
H9 Outdoor Air Thermistor Abnormality160................................................................................................................................................................
Hj Water System Error164................................................................................................................................................................
J1 High Pressure Sensor Abnormality167................................................................................................................................................................
J2 Current Sensor Abnormality170................................................................................................................................................................
Compressor Operation172................................................................................................................................................................
J3 Discharge Pipe Thermistor Abnormality173................................................................................................................................................................
J4 Heat Exchanger Gas Pipe Thermistor Abnormality175................................................................................................................................................................
J5 Suction Pipe Thermistor Abnormality177................................................................................................................................................................
J6 Outdoor Unit Heat Exchanger Thermistor Abnormality179................................................................................................................................................................
J7 Liquid Pipe Thermistor Abnormality181................................................................................................................................................................
J8 Thermistor System Abnormality183................................................................................................................................................................
J9 Subcooling Heat Exchanger Gas Pipe Thermistor Abnormality185................................................................................................................................................................
Ja High Pressure Sensor Abnormality187................................................................................................................................................................
Ja Discharge Pipe Pressure Sensor Abnormality190................................................................................................................................................................
Jc Low Pressure Sensor Abnormality193................................................................................................................................................................
Jc Suction Pipe Pressure Sensor Abnormality196................................................................................................................................................................
L1 Inverter Pcb Abnormality199................................................................................................................................................................
L4 Inverter Radiation Fin Temperature Rise Abnormality207................................................................................................................................................................
L5 Momentary Overcurrent Of Inverter Compressor212................................................................................................................................................................
L8 Momentary Overcurrent Of Inverter Compressor218................................................................................................................................................................
L9 Inverter Compressor Startup Failure224................................................................................................................................................................
Lc Transmission Error Between Inverter And Control Pcb231................................................................................................................................................................
P1 Inverter Over-ripple Protection239................................................................................................................................................................
P4 Inverter Radiation Fin Thermistor Abnormality244................................................................................................................................................................
Pj Field Setting Abnormality After Replacing Main Pcb Or Combination Of Pcb Abnormality248................................................................................................................................................................
U0 Refrigerant Shortage Alert255................................................................................................................................................................
U1 Reverse Phase, Open Phase264................................................................................................................................................................
U2 Power Supply Insufficient Or Instantaneous Error266................................................................................................................................................................
U3 Check Operation Is Not Executed288................................................................................................................................................................
U4 Transmission Error Between Indoor Units And Outdoor Units290................................................................................................................................................................
U5 Transmission Error Between Remote Controller And Indoor Unit303................................................................................................................................................................
U7 Transmission Error (across Outdoor Units)305................................................................................................................................................................
U8 Transmission Error Between Main And Sub Remote Controllers319................................................................................................................................................................
U9 Transmission Error Between Indoor And Outdoor Units In The Same System321................................................................................................................................................................
Ua Improper Combination Of Indoor And Outdoor Units, Indoor Units And Remote Controller326................................................................................................................................................................
Uc Address Duplication Of Centralized Remote Controller340................................................................................................................................................................
Ue Transmission Error Between Centralized Remote Controller And Indoor Unit341................................................................................................................................................................
Uf System Is Not Set Yet346................................................................................................................................................................
Uh System Abnormality, Refrigerant System Address Undefined348................................................................................................................................................................
Power Transistor Check359................................................................................................................................................................
Pressure Sensor377................................................................................................................................................................

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Daikin VRVIII-S Service Manual

Daikin VRVIII-S Service Manual (266 pages)

Brand: Daikin | Category: Heat Pump | Size: 9.8 MB
Table of contents
Table Of Contents2................................................................................................................................................................
Heat Pump2................................................................................................................................................................
Part 3 List Of Electrical And Functional Parts2................................................................................................................................................................
Part 5 Function2................................................................................................................................................................
Introduction6................................................................................................................................................................
Safety Cautions6................................................................................................................................................................
Preface10................................................................................................................................................................
Part 1 General Information12................................................................................................................................................................
Model Names Of Indoor/outdoor Units13................................................................................................................................................................
External Appearance14................................................................................................................................................................
Indoor Units14................................................................................................................................................................
Capacity Range15................................................................................................................................................................
Part 2 Specifications16................................................................................................................................................................
Specifications17................................................................................................................................................................
Outdoor Units17................................................................................................................................................................
Ceiling Suspended Type35................................................................................................................................................................
Floor Standing Type38................................................................................................................................................................
List Of Electrical And Functional Parts45................................................................................................................................................................
Outdoor Unit45................................................................................................................................................................
Part 4 Refrigerant Circuit46................................................................................................................................................................
Refrigerant Circuit47................................................................................................................................................................
Rxysq4 / 5 / 6p47................................................................................................................................................................
Functional Parts Layout49................................................................................................................................................................
Operation Mode51................................................................................................................................................................
Basic Control52................................................................................................................................................................
Normal Operation52................................................................................................................................................................
Compressor Pi Control53................................................................................................................................................................
Electronic Expansion Valve Pi Control54................................................................................................................................................................
Cooling Operation Fan Control55................................................................................................................................................................
Special Control56................................................................................................................................................................
Startup Control56................................................................................................................................................................
Oil Return Operation57................................................................................................................................................................
Defrosting Operation59................................................................................................................................................................
Pump-down Residual Operation60................................................................................................................................................................
Restart Standby61................................................................................................................................................................
Stopping Operation62................................................................................................................................................................
Protection Control63................................................................................................................................................................
High Pressure Protection Control63................................................................................................................................................................
Low Pressure Protection Control64................................................................................................................................................................
Discharge Pipe Protection Control65................................................................................................................................................................
Inverter Protection Control66................................................................................................................................................................
Other Control67................................................................................................................................................................
Demand Operation67................................................................................................................................................................
Heating Operation Prohibition67................................................................................................................................................................
Outline Of Control (indoor Unit)68................................................................................................................................................................
Drain Pump Control68................................................................................................................................................................
Remote Control69................................................................................................................................................................
Louver Control For Preventing Ceiling Dirt70................................................................................................................................................................
Thermostat Sensor In Remote Control71................................................................................................................................................................
Freeze Prevention73................................................................................................................................................................
View Of Operations Of Swing Flaps74................................................................................................................................................................
Electronic Expansion Valve Control75................................................................................................................................................................
Hot Start Control (in Heating Operation Only)75................................................................................................................................................................
Part 6 Test Operation76................................................................................................................................................................
Test Operation77................................................................................................................................................................
Procedure And Outline77................................................................................................................................................................
Check Operation78................................................................................................................................................................
Operation When Power Is Turned On80................................................................................................................................................................
Outdoor Unit Pc Board Layout81................................................................................................................................................................
Field Setting82................................................................................................................................................................
Field Setting From Remote Control82................................................................................................................................................................
Simplified Remote Control84................................................................................................................................................................
Detailed Explanation Of Setting Modes87................................................................................................................................................................
Field Setting From Outdoor Unit95................................................................................................................................................................
Setting Of Low Noise Operation And Demand Operation106................................................................................................................................................................
Setting Of Refrigerant Additional Charging Operation110................................................................................................................................................................
Part 7 Troubleshooting114................................................................................................................................................................
Symptom-based Troubleshooting116................................................................................................................................................................
Troubleshooting By Remote Control119................................................................................................................................................................
The Inspection / Test Button119................................................................................................................................................................
Self-diagnosis By Wired Remote Control120................................................................................................................................................................
Self-diagnosis By Infrared Remote Control121................................................................................................................................................................
Operation Of The Remote Control's Inspection / Test Operation Button123................................................................................................................................................................
Remote Control Service Mode124................................................................................................................................................................
Remote Control Self-diagnosis Function126................................................................................................................................................................
Troubleshooting By Indication On The Remote Control133................................................................................................................................................................
A0" Indoor Unit: Error Of External Protection Device133................................................................................................................................................................
A1" Indoor Unit: Pc Board Defect134................................................................................................................................................................
A3" Indoor Unit: Malfunction Of Drain Level Control System (s1l)135................................................................................................................................................................
A6" Indoor Unit: Fan Motor (m1f) Lock, Overload137................................................................................................................................................................
A7" Indoor Unit: Malfunction Of Swing Flap Motor (m1s)138................................................................................................................................................................
A9" Indoor Unit: Malfunction Of Moving Part Of Electronic Expansion Valve (y1e)140................................................................................................................................................................
Af" Indoor Unit: Drain Level Above Limit142................................................................................................................................................................
Aj" Indoor Unit: Malfunction Of Capacity Determination Device143................................................................................................................................................................
C4" Indoor Unit: Malfunction Of Thermistor (r2t) For Heat Exchanger144................................................................................................................................................................
C5" Indoor Unit: Malfunction Of Thermistor (r3t) For Gas Pipes145................................................................................................................................................................
C9" Indoor Unit: Malfunction Of Thermistor (r1t) For Suction Air146................................................................................................................................................................
Ca" Indoor Unit: Malfunction Of Thermistor For Discharge Air147................................................................................................................................................................
Cj" Indoor Unit: Malfunction Of Thermostat Sensor In Remote Control148................................................................................................................................................................
E1" Outdoor Unit: Pc Board Defect149................................................................................................................................................................
E3" Outdoor Unit: Actuation Of High Pressure Switch150................................................................................................................................................................
E4" Outdoor Unit: Actuation Of Low Pressure Sensor152................................................................................................................................................................
E5" Inverter Compressor Motor Lock154................................................................................................................................................................
E7" Malfunction Of Outdoor Unit Fan Motor155................................................................................................................................................................
E9" Outdoor Unit: Malfunction Of Moving Part Of Electronic Expansion Valve (y1e, Y3e)156................................................................................................................................................................
F3" Outdoor Unit: Abnormal Discharge Pipe Temperature158................................................................................................................................................................
F6" Outdoor Unit: Refrigerant Overcharged159................................................................................................................................................................
H9" Outdoor Unit: Malfunction Of Thermistor (r1t) For Outdoor Air160................................................................................................................................................................
J3" Outdoor Unit: Malfunction Of Discharge Pipe Thermistor (r2t)161................................................................................................................................................................
J5" Outdoor Unit: Malfunction Of Thermistor (r3t, R5t) For Suction Pipe 1, 2162................................................................................................................................................................
J6" Outdoor Unit: Malfunction Of Thermistor (r6t) For Outdoor Unit Heat Exchanger163................................................................................................................................................................
J7" Outdoor Unit: Malfunction Of Thermistor (r7t) For Outdoor Unit Liquid Pipe164................................................................................................................................................................
J9" Outdoor Unit: Malfunction Of Subcooling Heat Exchanger Gas Pipe Thermistor (r4t)165................................................................................................................................................................
Ja" Outdoor Unit: Malfunction Of High Pressure Sensor166................................................................................................................................................................
Jc" Outdoor Unit: Malfunction Of Low Pressure Sensor167................................................................................................................................................................
L1" Outdoor Unit: Malfunction Of Pc Board168................................................................................................................................................................
L4" Outdoor Unit: Malfunction Of Inverter Radiating Fin Temperature Rise169................................................................................................................................................................
L5" Outdoor Unit: Inverter Compressor Abnormal170................................................................................................................................................................
L8" Outdoor Unit: Inverter Current Abnormal171................................................................................................................................................................
L9" Outdoor Unit: Inverter Start Up Error172................................................................................................................................................................
Lc" Outdoor Unit: Malfunction Of Transmission Between Inverter And Control Pc Board173................................................................................................................................................................
P1" Outdoor Unit: High Voltage Of Capacitor In Main Inverter Circuit174................................................................................................................................................................
Uo" Outdoor Unit: Low Pressure Drop Due To Refrigerant Shortage Or Electronic Expansion Valve Failure175................................................................................................................................................................
U2" Power Supply Insufficient Or Instantaneous Failure177................................................................................................................................................................
U3" Check Operation Not Executed179................................................................................................................................................................
U4" Malfunction Of Transmission Between Indoor Units And Outdoor Units180................................................................................................................................................................
U5" Malfunction Of Transmission Between Remote Control And Indoor Unit182................................................................................................................................................................
U8" Malfunction Of Transmission Between Main And Sub Remote Controls183................................................................................................................................................................
U9" Malfunction Of Transmission Between Indoor And Outdoor Units In The Same System184................................................................................................................................................................
Ua" Excessive Number Of Indoor Units186................................................................................................................................................................
Uc" Address Duplication Of Central Remote Control187................................................................................................................................................................
Ue" Malfunction Of Transmission Between Central Remote Control And Indoor Unit188................................................................................................................................................................
Uf" System Is Not Set Yet190................................................................................................................................................................
Uh" Malfunction Of System, Refrigerant System Address Undefined191................................................................................................................................................................
Troubleshooting By Indication On The Centralized Remote Control192................................................................................................................................................................
Ue" Malfunction Of Transmission Between Centralized Remote Control And Indoor Unit192................................................................................................................................................................
M1" Pc Board Defect193................................................................................................................................................................
M8" Malfunction Of Transmission Between Optional Controllers For Centralized Control194................................................................................................................................................................
Ma" Improper Combination Of Optional Controllers For Centralized Control195................................................................................................................................................................
Mc" Address Duplication, Improper Setting197................................................................................................................................................................
Troubleshooting By Indication On The Unified On/off Control198................................................................................................................................................................
Operation Lamp Blinks198................................................................................................................................................................
Troubleshooting By Indication On The Unified On/off Controller198................................................................................................................................................................
Display "under Host Computer Integrate Control" Blinks (repeats Single Blink)200................................................................................................................................................................
Display "under Host Computer Integrate Control" Blinks (repeats Double Blink)203................................................................................................................................................................
Part 8 Appendix208................................................................................................................................................................
Piping Diagrams209................................................................................................................................................................
Indoor Unit210................................................................................................................................................................
Wiring Diagrams213................................................................................................................................................................
Field Wiring214................................................................................................................................................................
Option List229................................................................................................................................................................
Option List Of Controllers229................................................................................................................................................................
Option List Of Outdoor Unit231................................................................................................................................................................
Example Of Connection233................................................................................................................................................................
Thermistor Resistance / Temperature Characteristics236................................................................................................................................................................
Pressure Sensor238................................................................................................................................................................
Method Of Replacing The Inverter's Power Transistors Modules239................................................................................................................................................................
Part 9 Precautions For New Refrigerant (r-410a)242................................................................................................................................................................
Precautions For New Refrigerant (r-410a)243................................................................................................................................................................
Outline243................................................................................................................................................................
Refrigerant Cylinders245................................................................................................................................................................
Service Tools246................................................................................................................................................................
Part 10 Removal Procedure252................................................................................................................................................................
Rxysq4 · 5 · 6 P7y1b253................................................................................................................................................................
Procedure To Remove Outside Panels253................................................................................................................................................................
Procedure To Remove Propeller Fan And Fan Motor256................................................................................................................................................................
Procedure To Remove Compressor256................................................................................................................................................................
Index262................................................................................................................................................................
Drawings & Flow Charts264................................................................................................................................................................

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