Daikin VRV plus manuals
VRV plus
Table of contents
- Table Of Contents
- Table Of Contents
- Table Of Contents
- Part1 General Information Inverter K Series
- Outline
- Allowed Range of Indoor Unit and BS Unit Connection
- Part2 Functions Inverter K Series
- Functions
- List of Safety Devices and Functional Parts Setting Values
- Flow of Refrigerant in Each Operation Mode
- Outline of Control
- Safety for Restart
- Oil Return Operation
- Defrost
- Pressure Equalization Control
- Frequency Limit Control by Pressure Equalization
- BS Changeover Control
- Pump Down Residual Operation
- Step Down / Safety Control → Standby (Forced Thermostat OFF Stop Due to Malfunction
- Low Noise Control
- Demand Control
- Compressor Capacity Control
- Te / Tc Setting
- Gas Depletion Alarm
- Drain Pump Control
- Louver Control for Preventing Ceiling Dirt
- Thermostat Sensor in Remote Controller
- Freeze Prevention
- Part3 Test Operation Inverter K Series
- Test Operation
- Outdoor Unit PC Board Ass'y
- Setting Modes
- monitor mode
- Sequential Start
- External Control Adaptor for Outdoor Units (DTA104A61 DTA104A62)
- Cool/Heat Mode Switching
- Low Noise Operation
- Wiring Check Operation
- Indoor Field Setting
- Centralized Control Group No. Setting
- Setting of Master Remote Controller
- Remote Controller Self-Diagnosis Function
- Operation of the Remote Controller's Inspection / Test Operation Button
- Remote Controller Service Mode
- Part 4 Troubleshooting Inverter K Series
- Diagnosis by Malfunction Code
- Failure Diagnosis
- Troubleshooting
- Indoor Unit: PC Board Defect
- Indoor Unit: Malfunction of Drain Level Control System (33H)
- Indoor Unit: Fan Motor (M1F) Lock, Overload
- Indoor Unit: Malfunction of Swing Flap Motor (M1S)
- Indoor Unit: Malfunction of Moving Part of Electronic Expansion Valve (Y1E)
- Indoor Unit: Drain Level above Limit
- Indoor Unit: Malfunction of Capacity Determination Device
- Indoor Unit: Malfunction of Thermistor (R2T) for Liquid Pipe
- Indoor Unit: Malfunction of Thermistor (R3T) for Gas Pipes
- Indoor Unit: Malfunction of Thermistor (R1T) for Air Inlet
- Indoor Unit: Malfunction of Thermostat Sensor in Remote Controller
- Outdoor Unit: Actuation of Safety Device
- Outdoor Unit: PC Board Defect
- Outdoor Unit: Actuation of High Pressure Switch
- Outdoor Unit: Actuation of Low Pressure Sensor
- Outdoor Unit: Malfunction of Moving Part of Electronic Expansion Valve (Y1E)
- Outdoor Unit: Abnormal Discharge Pipe Temperature
- Outdoor Unit: Malfunction of Thermistor for Outdoor Air (R1T)
- Outdoor Unit: Malfunction of Discharge Pipe Thermistor (R3T)
- Outdoor Unit: Malfunction of Thermistor (R4T) for Suction Pipe
- Outdoor Unit: Malfunction of Thermistor (R2T) for Heat Exchanger
- Outdoor Unit: Malfunction of Discharge Pipe Pressure Sensor
- Outdoor Unit: Malfunction of Suction Pipe Pressure Sensor
- Outdoor Unit: Malfunction of Oil Temperature Thermistor (R5T)
- Low Pressure Drop Due to Refrigerant Shortage or Electronic Expansion Valve Failure
- Negative Phase, Open Phase
- Malfunction of Transmission Between Indoor Units
- Malfunction of Transmission Between Remote Controller and Indoor Unit
- Malfunction of Transmission Between Outdoor Units
- and SUB Remote Controllers
- Malfunction of Transmission Between Indoor and Outdoor Units in the Same System
- Excessive Number of Indoor Units
- Address Duplication of Central Remote Controller
- Refrigerant System not set, Incompatible Wiring/Piping
- Malfunction of System, Refrigerant System Address Undefined
- Failure Diagnosis for Inverter System
- How to use the Monitor Switch on the Inverter PC Board
- Troubleshooting (Inverter)
- Outdoor Unit: Inverter Instantaneous Over-Current
- Outdoor Unit: Inverter Thermostat Sensor, Compressor Overload
- Outdoor Unit: Inverter Stall Prevention, Compressor Seized
- Outdoor Unit: Malfunction of Transmission between Inverter and Control PC Board
- Power Supply Insufficient or Instantaneous Failure
- Outdoor Unit: Malfunction of Inverter Radiating Fin Temperature Rise Sensor
- Outdoor Unit: Inverter Over-Ripple Protection
- Troubleshooting (OP: Central Remote Controller)
- PC Board Defect
- Malfunction of Transmission between Optional Controllers for Centralized Control
- Improper Combination of Optional Controllers for Centralized Control
- Address Duplication, Improper Setting
- Troubleshooting (OP: Schedule Timer)
- Troubleshooting (OP: Unified ON/OFF Controller)
- Part 5 Appendix
- Characteristics
- Pressure Sensor Voltage Output / Detected Pressure Characteristics
- Method of Replacing The Inverter's Power Transistors and Diode Modules
- Precaution
- Typical Wiring Mistakes
- Piping Diagram
- Wiring Diagram
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