Daikin VRV - WII Manuals

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

Daikin VRV - WII Manual

Daikin VRV - WII 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 VRV - WII Service Manual

Daikin VRV - WII Service Manual (312 pages)

Water Cooled Inverter Series Heat Pump Heat Recovery-60Hz  
Brand: Daikin | Category: Heat Pump | Size: 14 MB
Table of contents
Table Of Contents2................................................................................................................................................................
Dismounting Of Switch Box6................................................................................................................................................................
Safety Cautions8................................................................................................................................................................
Part 1 General Information14................................................................................................................................................................
Features15................................................................................................................................................................
Design Flexibility16................................................................................................................................................................
Easy Installation18................................................................................................................................................................
Energy Saving19................................................................................................................................................................
Enhanced Usability20................................................................................................................................................................
Outside Unit Lineup21................................................................................................................................................................
Model Names22................................................................................................................................................................
Water Cooled System22................................................................................................................................................................
External Appearance23................................................................................................................................................................
Indoor Units23................................................................................................................................................................
Outside Units24................................................................................................................................................................
Combination Of Outside Units25................................................................................................................................................................
Capacity Range26................................................................................................................................................................
Part 2 Specifications28................................................................................................................................................................
Specifications29................................................................................................................................................................
Bs Units36................................................................................................................................................................
Ceiling Suspended Type44................................................................................................................................................................
Floor Standing Type47................................................................................................................................................................
Part 3 Refrigerant Circuit50................................................................................................................................................................
Refrigerant Circuit51................................................................................................................................................................
Rweyq60mtju / Rweyq72mtju / Rweyq84mtju51................................................................................................................................................................
Bsvq36, 60m53................................................................................................................................................................
Functional Parts Layout54................................................................................................................................................................
Front View55................................................................................................................................................................
Refrigerant Flow For Each Operation Mode56................................................................................................................................................................
In Case Of Heat Pump Connection56................................................................................................................................................................
In Case Of Heat Recovery Connection58................................................................................................................................................................
Part 4 Function66................................................................................................................................................................
Function General68................................................................................................................................................................
Symbol68................................................................................................................................................................
Operation Mode69................................................................................................................................................................
Normal Operation70................................................................................................................................................................
Bs Unit & Indoor Unit Operation Mode Detail71................................................................................................................................................................
Stop72................................................................................................................................................................
Stopping Operation72................................................................................................................................................................
Standby74................................................................................................................................................................
Restart Standby74................................................................................................................................................................
Crankcase Heater Control74................................................................................................................................................................
Startup Control75................................................................................................................................................................
Cooling Start-up Control75................................................................................................................................................................
Heating Start-up Control76................................................................................................................................................................
Pressure Equalizing Control77................................................................................................................................................................
Normal Control78................................................................................................................................................................
Compressor Control78................................................................................................................................................................
Unit Installation79................................................................................................................................................................
Electronic Expansion Valve Control80................................................................................................................................................................
Heat Exchange Mode In Heating Operation Or Simultaneous Cooling / Heating Operation81................................................................................................................................................................
Heat Exchange Mode In Heating Operation Or81................................................................................................................................................................
Simultaneous Cooling / Heating Operation81................................................................................................................................................................
Protection Control83................................................................................................................................................................
High Pressure Protection Control83................................................................................................................................................................
Low Pressure Protection Control84................................................................................................................................................................
Discharge Pipe Protection Control86................................................................................................................................................................
Inverter Protection Control87................................................................................................................................................................
Cooling Fan Control88................................................................................................................................................................
Special Operation89................................................................................................................................................................
Oil Return Operation89................................................................................................................................................................
Oil Return Operation Of Water Heat Exchanger91................................................................................................................................................................
Pump-down Residual Operation Control92................................................................................................................................................................
Refrigerant Drift Prevention94................................................................................................................................................................
Other Control95................................................................................................................................................................
Outside Unit Rotation95................................................................................................................................................................
Outline Of Control (indoor Unit)96................................................................................................................................................................
Drain Pump Control96................................................................................................................................................................
Louver Control For Preventing Ceiling Dirt98................................................................................................................................................................
Thermostat Sensor In Remote Controller99................................................................................................................................................................
Thermostat Control While In Normal Operation101................................................................................................................................................................
Thermostat Control In Dry Operation101................................................................................................................................................................
Hot Start Control (in Heating Operation Only)102................................................................................................................................................................
Heater Control103................................................................................................................................................................
List Of Swing Flap Operations104................................................................................................................................................................
Freeze Prevention105................................................................................................................................................................
Part 5 Test Operation106................................................................................................................................................................
Test Operation107................................................................................................................................................................
Procedure And Outline107................................................................................................................................................................
Check Operation109................................................................................................................................................................
Outside Unit Pc Board Layout111................................................................................................................................................................
Field Setting112................................................................................................................................................................
Field Setting From Remote Controller112................................................................................................................................................................
Simplified Remote Controller114................................................................................................................................................................
Detailed Explanation Of Setting Modes116................................................................................................................................................................
External On/off Input117................................................................................................................................................................
Brc7c Type120................................................................................................................................................................
Contents Of Control Modes121................................................................................................................................................................
Field Setting From Outside Unit123................................................................................................................................................................
Image Of Operation In The Case Of A140................................................................................................................................................................
Image Of Operation In The Case Of B140................................................................................................................................................................
Emergency Operation148................................................................................................................................................................
Part 6 Troubleshooting150................................................................................................................................................................
Troubleshooting By Remote Controller153................................................................................................................................................................
The Inspection / Test Button153................................................................................................................................................................
Self-diagnosis By Wired Remote Controller154................................................................................................................................................................
Self-diagnosis By Wireless Remote Controller155................................................................................................................................................................
Operation Of The Remote Controller's Inspection Test Operation Button157................................................................................................................................................................
Remote Controller Service Mode158................................................................................................................................................................
Remote Controller Self-diagnosis Function160................................................................................................................................................................
Malfunction Code Indication By Outdoor Unit Pcb163................................................................................................................................................................
Troubleshooting By Indication On The Remote Controller167................................................................................................................................................................
Error Of External Protection Device167................................................................................................................................................................
Pc Board Defect168................................................................................................................................................................
Troubleshooting170................................................................................................................................................................
Fan Motor (m1f) Lock, Overload171................................................................................................................................................................
Malfunction Of Swing Flap Motor (ma)175................................................................................................................................................................
Drain Level Above Limit179................................................................................................................................................................
Malfunction Of Thermistor (r1t) For183................................................................................................................................................................
Suction Air183................................................................................................................................................................
Cj" Indoor Unit Remote Controller184................................................................................................................................................................
Malfunction Of Thermostat Sensor In184................................................................................................................................................................
Actuation Of High Pressure Switch186................................................................................................................................................................
2.14 "e3" Outside Unit186................................................................................................................................................................
Actuation Of Low Pressure Sensor188................................................................................................................................................................
Abnormal Discharge Pipe Temperature194................................................................................................................................................................
Hj" Malfunction Of Water System197................................................................................................................................................................
Malfunction Of Thermistor (r2t) For201................................................................................................................................................................
Suction Pipe201................................................................................................................................................................
Thermistor (r5t)203................................................................................................................................................................
Malfunction Of Suction Pipe Pressure Sensor206................................................................................................................................................................
Malfunction Of Pc Board208................................................................................................................................................................
Malfunction Of Inverter Radiating Fin209................................................................................................................................................................
Temperature Rise (r1t)209................................................................................................................................................................
Inverter Compressor Abnormal210................................................................................................................................................................
Inverter Start Up Error213................................................................................................................................................................
Inverter And Control Pc Board214................................................................................................................................................................
Inverter Over-ripple Protection216................................................................................................................................................................
Temperature Sensor218................................................................................................................................................................
Electronic Expansion Valve Failure220................................................................................................................................................................
U1" Reverse Phase, Open Phase222................................................................................................................................................................
U2" Power Supply Insufficient Or Instantaneous Failure223................................................................................................................................................................
U4" Malfunction Of Transmission Between Indoor Units226................................................................................................................................................................
Malfunction Of Transmission Between Indoor Units226................................................................................................................................................................
Indoor Unit228................................................................................................................................................................
U7" Malfunction Of Transmission Between Outside Units229................................................................................................................................................................
Slave Remote Controllers231................................................................................................................................................................
Outside Units In The Same System232................................................................................................................................................................
Combination Failure234................................................................................................................................................................
Uc" Address Duplication Of Centralized Controller236................................................................................................................................................................
Uf" Refrigerant System Not Set, Incompatible Wiring/piping239................................................................................................................................................................
Uh" Malfunction Of System, Refrigerant System Address Undefined240................................................................................................................................................................
Troubleshooting (op: Central Remote Controller)242................................................................................................................................................................
Centralized Control245................................................................................................................................................................
Troubleshooting (op: Schedule Timer)248................................................................................................................................................................
Troubleshooting (op: Unified On/off Controller)256................................................................................................................................................................
Operation Lamp Blinks256................................................................................................................................................................
Repeats Double Blink261................................................................................................................................................................
Part 7 Procedure For Mounting Dismounting Of Switch Box268................................................................................................................................................................
Procedure For Mounting / Dismounting Of Switch Box269................................................................................................................................................................
Procedure For Dismounting269................................................................................................................................................................
Procedure For Mounting269................................................................................................................................................................
Part 8 Appendix272................................................................................................................................................................
Piping Diagrams273................................................................................................................................................................
Wiring Diagrams277................................................................................................................................................................
Outside Unit277................................................................................................................................................................
Outside Unit Field Wiring278................................................................................................................................................................
List Of Electrical And Functional Parts285................................................................................................................................................................
Indoor Side286................................................................................................................................................................
Option List289................................................................................................................................................................
Optional Accessories289................................................................................................................................................................
Thermistor Resistance / Temperature Characteristics291................................................................................................................................................................
Pressure Sensor293................................................................................................................................................................
Method Of Replacing The Inverter's Power Transistors And Diode Modules294................................................................................................................................................................
Method Of Replacing The Inverter's Power Transistors And294................................................................................................................................................................
Diode Modules294................................................................................................................................................................
Part 9 Precautions For New Refrigerant (r-410a)296................................................................................................................................................................
Precautions For New Refrigerant (r-410a)297................................................................................................................................................................
Outline297................................................................................................................................................................
Service Tools299................................................................................................................................................................
Malfunction Of Drain Level Control System (s1l)307................................................................................................................................................................
Malfunction Of Capacity Determination Device307................................................................................................................................................................
Malfunction Of Thermistor (r3t) For Gas Pipes307................................................................................................................................................................
Malfunction Of Thermistor (r1t) For Suction Air307................................................................................................................................................................
Malfunction Of Discharge Pipe Thermistor (r3t)307................................................................................................................................................................

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