Name: Daikin VRV III-S RXYMQ6PV4A
Brand: Daikin
Rating: 4 (1 reviews)

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Table of Contents2
Introduction6
- Safety Cautions6
- Preface10
Part 1 General Information12
Model Names of Indoor/Outdoor Units13
External Appearance14
- Indoor Units14
- Outdoor Units14
Capacity Range15
Part 2 Specifications16
- Outdoor Units17
- Indoor Units18
Part 3 List of Electrical and Functional Parts44
List of Electrical and Functional Parts45
- Outdoor Unit45
- Indoor Unit46
Part 4 Refrigerant Circuit52
Refrigerant Circuit53
- Rxymq6P53
- Refrigerant Circuit Part53
Functional Parts Layout55
- Rxymq6P55
Part 5 Function56
Operation Mode57
Basic Control58
- Normal Operation58
- Compressor PI Control59
- Electronic Expansion Valve PI Control60
- Cooling Operation Fan Control61
Special Control62
- Startup Control62
- Oil Return Operation63
- Defrosting Operation65
- Pump-Down Residual Operation66
- Restart Standby67
- Stopping Operation68
Protection Control69
- High Pressure Protection Control69
- Low Pressure Protection Control70
- Discharge Pipe Protection Control71
- Inverter Protection Control72
Other Control73
- Demand Operation73
- Heating Operation Prohibition73
Outline of Control (Indoor Unit)74
- Drain Pump Control74
- Louver Control for Preventing Ceiling Dirt76
- Thermostat Sensor in Remote Controller77
- Freeze Prevention79
- View of Operations of80
  - Swing Flaps80
  - View of Operations of Swing Flaps80
- Electronic Expansion Valve Control81
- Hot Start Control (in Heating Operation Only)81
Part 6 Test Operation82
Test Operation83
- Procedure and Outline83
- Operation When Power Is Turned on86
Outdoor Unit PC Board Layout87
Field Setting88
- Field Setting from Remote Controller88
- Field Setting from Outdoor Unit101
Part 7 Troubleshooting120
Symptom-Based Troubleshooting122
Troubleshooting by Remote Controller125
- The INSPECTION / TEST Button125
- Self-Diagnosis by Wired Remote Controller126
- Self-Diagnosis by Wireless Remote Controller127
- Operation of the Remote Controller's Inspection / Test Operation Button129
- Remote Controller Service Mode130
- Remote Controller Self-Diagnosis Function132
Troubleshooting by Indication on the Remote Controller139
- A0" Indoor Unit: Error of External Protection Device139
- A1" Indoor Unit: PC Board Defect140
- A3" Indoor Unit: Malfunction of Drain Level Control System (S1L)141
- A6" Indoor Unit: Fan Motor (M1F) Lock, Overload143
- Fan Motor (M1F) Lock, Overload143
- A7" Indoor Unit: Malfunction of Swing Flap Motor (M1S)144
- A9" Indoor Unit: Malfunction of Moving Part of Electronic Expansion Valve (Y1E)146
- A9" Indoor Unit: Malfunction of Moving Part of146
- Electronic Expansion Valve (Y1E)146
- AF" Indoor Unit: Drain Level above Limit148
- AJ" Indoor Unit: Malfunction of Capacity Determination Device149
- C4" Indoor Unit: Malfunction of Thermistor (R2T) for Heat Exchanger150
- 3.10 "C5 " Indoor Unit151
- Malfunction of Thermistor (R3T) for Gas Pipes151
- C5" Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes151
- 3.11 "C9 " Indoor Unit152
- C9" Indoor Unit: Malfunction of Thermistor (R1T) for Suction Air152
- CA" Indoor Unit: Malfunction of Thermistor for Discharge Air153
- CJ" Indoor Unit: Malfunction of Thermostat Sensor in154
- Remote Controller154
- E1" Outdoor Unit: PC Board Defect155
- E3" Outdoor Unit: Actuation of High Pressure Switch156
- E4" Outdoor Unit: Actuation of Low Pressure Sensor158
- E5" Inverter Compressor Motor Lock160
- E7" Malfunction of Outdoor Unit Fan Motor161
- Electronic Expansion Valve (Y1E, Y3E)162
- F3" Outdoor Unit: Abnormal Discharge Pipe Temperature164
- F6" Outdoor Unit: Refrigerant Overcharged165
- H9" Outdoor Unit: Malfunction of Thermistor (R1T) for Outdoor Air166
- J3" Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R2T)167
- J5" Outdoor Unit: Malfunction of Thermistor (R3T, R5T) for Suction Pipe 1, 2168
- J6" Outdoor Unit: Malfunction of Thermistor (R4T) for Outdoor Unit Heat Exchanger169
- J7" Outdoor Unit: Malfunction of Thermistor (R7T) for Outdoor Unit Liquid Pipe170
- J9" Outdoor Unit: Malfunction of Subcooling Heat171
- Exchanger Gas Pipe Thermistor (R6T)171
- JA" Outdoor Unit: Malfunction of High Pressure Sensor172
- JC" Outdoor Unit: Malfunction of Low Pressure Sensor173
- L1" Outdoor Unit: Malfunction of PC Board174
- L4" Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise175
- L5" Outdoor Unit: Inverter Compressor Abnormal176
- L8" Outdoor Unit: Inverter Current Abnormal177
- L9" Outdoor Unit: Inverter Start up Error178
- Inverter and Control PC Board179
- P1" Outdoor Unit: High Voltage of Capacitor in Main Inverter Circuit180
- P4" Outdoor Unit: Malfunction of Inverter Radiating Fin181
- Temperature Rise Sensor181
- UO" Outdoor Unit: Low Pressure Drop Due to Refrigerant182
- Shortage or Electronic Expansion Valve Failure182
- U2" Power Supply Insufficient or Instantaneous Failure184
- U3" Check Operation Not Executed186
- U4" Malfunction of Transmission between Indoor Units and Outdoor Units187
- Indoor Unit189
- U8" Malfunction of Transmission between Main and190
- Sub Remote Controllers190
- U9" Malfunction of Transmission between Indoor and Outdoor Units in the same System191
- UA" Excessive Number of Indoor Units193
- UC" Address Duplication of Central Remote Controller194
- UE" Malfunction of Transmission between Central Remote Controller and Indoor Unit195
- UF" System Is Not Set yet197
- UH" Malfunction of System, Refrigerant System Address Undefined198
- Troubleshooting by Indication on the Centralized Remote Controller199
- UE" Malfunction of Transmission between Centralized199
- Remote Controller and Indoor Unit199
- M1" PC Board Defect200
- M8" Malfunction of Transmission between Optional Controllers for Centralized Control201
- MA" Improper Combination of Optional Controllers for Centralized Control202
- MC" Address Duplication, Improper Setting204
- Troubleshooting by Indication on the Unified ON/OFF Controller205
- Operation Lamp Blinks205
- Display "Under Host Computer Integrate Control" Blinks (Repeats Single Blink)207
- (Repeats Double Blink)210
- Piping Diagrams215
- Outdoor Unit215
- Indoor Unit216
- Wiring Diagrams219
- Outdoor Unit219
- Field Wiring220
- Indoor Unit221
- Option List235
- Option List of Controllers235
- Option List of Outdoor Unit237
- Example of Connection238
- Thermistor Resistance / Temperature Characteristics240
- Pressure Sensor242
- Method of Replacing the Inverter's Power Transistors Modules243
- Precautions for New Refrigerant (R-410A)247
- Outline247
- Refrigerant Cylinders249
- Service Tools250

Daikin VRV III-S RXYMQ6PV4A User Manual

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Brand	Daikin
Model	VRV III-S RXYMQ6PV4A
Category	Heat Pump
Language	English