Daikin VRV - WII Manuals

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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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