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RXMQ4 5 6PVE
Daikin RXMQ4·5·6PVE Service Manual
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Daikin RXMQ4·5·6PVE Service Manual
Table of content
Contents
50/60Hz
Table Of Contents
Table Of Contents
Table Of Contents
Table Of Contents
safety cautions
cautions regarding products after repair
inspection after repair
using icons
Model Names of Indoor/Outdoor Units
External Appearance
Capacity Range
Specifications
Indoor Units
ceiling suspended type
wall mounted type
floor standing type
List of Electrical and Functional Parts
Indoor Unit
refrigerant circuit
Refrigerant Circuit
Functional Parts Layout
Part 5 Function
Operation Mode
Basic Control
Compressor PI Control
Electronic Expansion Valve PI Control
Cooling Operation Fan Control
Special Control
Oil Return Operation
Defrosting Operation
Pump-down Residual Operation
Restart Standby
Stopping Operation
Protection Control
Low Pressure Protection Control
Discharge Pipe Protection Control
Inverter Protection Control
Other Control
Outline of Control (Indoor Unit)
remote controller
Louver Control for Preventing Ceiling Dirt
Thermostat Sensor in Remote Controller
Freeze Prevention
View of Operations of Swing Flaps
Electronic Expansion Valve Control
Test Operation
check operation
Operation when Power is Turned On
Outdoor Unit PC Board Layout
Field Setting
simplified remote controller
detailed explanation of setting modes
group no. setting example
contents of control modes
Field Setting from Outdoor Unit
image of operation
Troubleshooting Troubleshooting Troubleshooting Troubleshooting
Table Of Contents
Table Of Contents
Symptom-based Troubleshooting
Troubleshooting by Remote Controller
Self-diagnosis by Wired Remote Controller
Self-diagnosis by Wireless Remote Controller
Operation of the Remote Controller's Inspection Test Operation Button
Remote Controller Service Mode
Remote Controller Self-Diagnosis Function
Troubleshooting by Indication on the Remote Controller
pc board defect
fan motor (m1f) lock, overload
electronic expansion valve (20e)
drain level above limit
malfunction of capacity determination
heat exchanger
actuation of high pressure switch
actuation of low pressure sensor
compressor motor lock
electronic expansion valve (y1e, y3e)
outdoor air
malfunction of thermistor (r4t) for
malfunction of thermistor (r7t) for
exchanger gas pipe thermistor (r6t)
malfunction of high pressure sensor
malfunction of low pressure sensor
malfunction of pc board
temperature rise
inverter compressor abnormal
inverter current abnormal
inverter start up error
and Control PC Board
temperature rise sensor
or Electronic Expansion Valve Failure
check operation not executed
Outdoor Units
and Indoor Unit
Sub Remote Controllers
Outdoor Units in the Same System
address duplication of central remote controller
Remote Controller
controllers for centralized control
centralized control
address duplication, improper setting
Troubleshooting by Indication on the Unified ON/OFF Controller
repeats double blink
troubleshooting
Part 8 Appendix
Piping Diagrams
Wiring Diagrams
cooling only
Field Wiring
Option List
Option List of Outdoor Unit
Example of Connection
Thermistor Resistance / Temperature Characteristics
Pressure Sensor
Method of Replacing the Inverter's Power Transistors Modules
Precautions for New Refrigerant (R-410A)
Refrigerant Cylinders
Service Tools
Table Of Contents
Table Of Contents
Piping Diagrams
Si34-603
206
Appendix
1. Piping Diagrams
1.1
Outdoor Unit
RX(Y)MQ4 / 5 / 6PVE
3D052628
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This manual is suitable for:
RXMQ4 5 6PVE
RXMQ4PVE
RXMQ5PVE
RXMQ6PVE
RXYMQ4 5 6PVE
RXYMQ4PVE
RXYMQ5PVE
RXYMQ6PVE
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