Daikin FBQ50D2VEB

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Introduction ESIE15-13B

xii

Main Page

Table of Contents3
Introduction7
Version Log7
Safety Cautions7
Used Icons12
Preface13
Part 1 - General Information15
Model Names of Indoor / Outdoor Units16
Outlook Outdoor Units18
Operating Range19
Smart19
Classic20
Edp21
Part 2 - Remote Controller23
Wired Remote Controller24
Applicable Models24
Names and Functions24
MAIN/SUB Setting When Using 2 Remote Controllers28
Centralized Control Group No. Setting29
Wireless Remote Controller31
Applicable Models31
Names and Functions31
MAIN/SUB Setting33
Service Mode34
Brc1D52834
Brc1E52/5336
Inspection Mode39
Brc1D52839
Brc1E52/5340
Part 3 - Function and Control41
Function of Main Components and Thermistors42
Operation Flow Chart44
Cooling / Dry Operation44
Heating Operation45
Function Details46
Indoor Unit46
Outdoor Unit50
Part 4 - Field Setting71
Test Operation72
Pre-Run Checks72
Remote Controller Confirmation72
Test Run73
Precautions Regarding Test Run73
Failure Diagnosis at the Moment of First Installation74
Field Setting from Remote Controller75
Wired Remote Controller75
Wireless Remote Controller80
Settings Contents and Code No. for Indoor Units81
Overview of the Field Setting on the Outdoor Units87
Quiet (Low Noise) Operation88
I-Demand Function90
Setting for Low Humidity Application91
Defrost Start Setting94
Slow Start94
Field Setting from Outdoor Unit PCB95
Location of DIP Switch and BS Button95
Field Setting for Outdoor Unit96
Emergency Operation106
Forced Operation106
Part 5 - Service Diagnosis109
Maintenance Inspection111
Overview111
Symptom-Based Troubleshooting113
Overview113
Equipment Does Not Operate114
Indoor Unit Fan Operates, but Compressor Does Not Operate116
Cooling / Heating Operation Starts but Stops Immediately118
After Unit Shuts Down, It Cannot be Restarted for a While119
Equipment Operates but Does Not Provide Cooling121
Equipment Operates but Does Not Provide Heating123
Equipment Discharges White Mist125
Equipment Produces Loud Noise or Vibration126
Equipment Discharges Dust127
Remote Controller LCD Displays "88128
Swing Flap Does Not Operate129
Troubleshooting by LED Indications131
Troubleshooting by LED on the Indoor Unit131
Troubleshooting by LED on Outdoor Unit PCB131
Troubleshooting by Remote Controller132
Procedure of Self-Diagnosis by Remote Controller132
Error Codes and Description136
Safety Devices137
Indoor Unit PCB Abnormality138
Drain Water Level System Abnormality139
Indoor Unit Fan Motor Abnormality141
Capacity Setting Abnormality142
Transmission Error (between Indoor Unit PCB and Adaptor PCB)143
Thermistor Abnormality145
Humidity Sensor System Abnormality146
Malfunction of Motion Sensor / Floor Temperature Sensor147
Remote Controller Thermistor Abnormality152
Outdoor Unit PCB Abnormality153
High Pressure Abnormality (Detected by the High Pressure Switch)154
Actuation of Pressure Sensor156
Compressor Motor Lock158
Outdoor Unit Fan Motor Abnormality159
Electronic Expansion Valve Abnormality161
Discharge Pipe Temperature Control164
High Pressure Switch System Abnormality166
Low Pressure Switch System Abnormality167
Thermistor System Abnormality168
Outdoor Unit PCB Abnormality169
Radiation Fin Temperature Rise171
Output Overcurrent Detection173
Electronic Thermal (Time Lag)175
Stall Prevention (Time Lag)177
Transmission System Abnormality (between Control and Inverter PCB)179
Open Phase or Power Supply Voltage Imbalance180
Defective Capacity Setting181
Refrigerant Shortage (Alert)182
Refrigerant Shortage (Error)183
Power Supply Voltage Abnormality185
Transmission Error between Indoor and Outdoor Unit187
Transmission Error between Remote Controller and Indoor Unit190
Transmission Error between MAIN Remote Controller and SUB Remote Controller191
Field Setting Switch Abnormality192
UC" Address Duplication of Centralized Controller194
Transmission Error between Centralized Controller and Indoor Unit195
Transmission Error between Indoor and Outdoor Unit / Piping and Wiring Mismatch / Refrigerant Shortage197
Check199
Part 6 - Appendix211
Piping Diagrams212
Rzqg-L9V1212
Wiring Diagrams213
Outdoor Unit213
Thermodynamic Characteristic of R-410A214
Removing the Switchbox215

Daikin FBQ50D2VEB - Page 14

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