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Daikin Manuals
Heat Pump
RZQSG71L3V1
Service manual
Daikin RZQSG71L3V1 Service Manual
R-410a 50hz
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Contents
Table of Contents
Troubleshooting
Bookmarks
Table of Contents
Table of Contents
Introduction
Version Log
Safety Cautions
Used Icons
Preface
Part 1 - General Information
Model Names of Indoor / Outdoor Units
Outlook Outdoor Units
Operating Range
Smart
Classic
Edp
Part 2 - Remote Controller
Wired Remote Controller
Applicable Models
Names and Functions
MAIN/SUB Setting When Using 2 Remote Controllers
Centralized Control Group No. Setting
Wireless Remote Controller
Applicable Models
Names and Functions
MAIN/SUB Setting
Service Mode
Brc1D528
Brc1E52/53
Inspection Mode
Brc1D528
Brc1E52/53
Part 3 - Function and Control
Function of Main Components and Thermistors
Operation Flow Chart
Cooling / Dry Operation
Heating Operation
Function Details
Indoor Unit
Outdoor Unit
Part 4 - Field Setting
Test Operation
Pre-Run Checks
Remote Controller Confirmation
Test Run
Precautions Regarding Test Run
Failure Diagnosis at the Moment of First Installation
Field Setting from Remote Controller
Wired Remote Controller
Wireless Remote Controller
Settings Contents and Code No. for Indoor Units
Overview of the Field Setting on the Outdoor Units
Quiet (Low Noise) Operation
I-Demand Function
Setting for Low Humidity Application
Defrost Start Setting
Slow Start
Field Setting from Outdoor Unit PCB
Location of DIP Switch and BS Button
Field Setting for Outdoor Unit
Emergency Operation
Forced Operation
Part 5 - Service Diagnosis
Maintenance Inspection
Overview
Symptom-Based Troubleshooting
Overview
Equipment Does Not Operate
Indoor Unit Fan Operates, but Compressor Does Not Operate
Cooling / Heating Operation Starts but Stops Immediately
After Unit Shuts Down, It Cannot be Restarted for a While
Equipment Operates but Does Not Provide Cooling
Equipment Operates but Does Not Provide Heating
Equipment Discharges White Mist
Equipment Produces Loud Noise or Vibration
Equipment Discharges Dust
Remote Controller LCD Displays "88
Swing Flap Does Not Operate
Troubleshooting by LED Indications
Troubleshooting by LED on the Indoor Unit
Troubleshooting by LED on Outdoor Unit PCB
Troubleshooting by Remote Controller
Procedure of Self-Diagnosis by Remote Controller
Error Codes and Description
Safety Devices
Indoor Unit PCB Abnormality
Drain Water Level System Abnormality
Indoor Unit Fan Motor Abnormality
Capacity Setting Abnormality
Transmission Error (between Indoor Unit PCB and Adaptor PCB)
Thermistor Abnormality
Humidity Sensor System Abnormality
Malfunction of Motion Sensor / Floor Temperature Sensor
Remote Controller Thermistor Abnormality
Outdoor Unit PCB Abnormality
High Pressure Abnormality (Detected by the High Pressure Switch)
Actuation of Pressure Sensor
Compressor Motor Lock
Outdoor Unit Fan Motor Abnormality
Electronic Expansion Valve Abnormality
Discharge Pipe Temperature Control
High Pressure Switch System Abnormality
Low Pressure Switch System Abnormality
Thermistor System Abnormality
Outdoor Unit PCB Abnormality
Radiation Fin Temperature Rise
Output Overcurrent Detection
Electronic Thermal (Time Lag)
Stall Prevention (Time Lag)
Transmission System Abnormality (between Control and Inverter PCB)
Open Phase or Power Supply Voltage Imbalance
Defective Capacity Setting
Refrigerant Shortage (Alert)
Refrigerant Shortage (Error)
Power Supply Voltage Abnormality
Transmission Error between Indoor and Outdoor Unit
Transmission Error between Remote Controller and Indoor Unit
Transmission Error between MAIN Remote Controller and SUB Remote Controller
Field Setting Switch Abnormality
UC" Address Duplication of Centralized Controller
Transmission Error between Centralized Controller and Indoor Unit
Transmission Error between Indoor and Outdoor Unit / Piping and Wiring Mismatch / Refrigerant Shortage
Check
Part 6 - Appendix
Piping Diagrams
Rzqg-L9V1
Wiring Diagrams
Outdoor Unit
Thermodynamic Characteristic of R-410A
Removing the Switchbox
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Table of Contents
2
Part 1 - General Information
3
Model Names of Indoor / Outdoor Units
4
Outdoor Unit
Download this manual
Service Manual
GQI-Eco Series
Heat Pump R-410A 50Hz
Smart
Classic
RZQG71~140L9V1
RZQG71~125L9Y1 / RZQG140LY1
RZQSG71L3V1 / RZQSG100~140L9V1
RZQSG100~125L8Y1 / RZQSG140LY1
ESIE15-13B
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Table of Contents
Troubleshooting
Symptom-based Troubleshooting
113
Troubleshooting by LED Indications
131
Troubleshooting by Remote Controller
132
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