Daikin ATXS20E2V1B User Manual

Daikin ATXS20E2V1B

244 pages

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SiBE04 - 824

[Applied Models]

z Inverter Pair : Heat Pump

Inverter Pair

Wall Mounted Type E-Series

Table of Contents

Table of Contents3
Introduction6
- Safety Cautions6
- Used Icons10
Part 1 List of Functions12
List of Functions13
Part 2 Specifications14
Specifications15
Part 3 Printed Circuit Board Connector Wiring Diagram18
Printed Circuit Board Connector Wiring Diagram19
- Indoor Unit19
- Outdoor Unit21
Part 4 Function and Control26
Main Functions27
- Frequency Principle27
- Airflow Direction Control29
- Fan Speed Control for Indoor Units30
- Programme Dry Function31
- Automatic Operation32
- Thermostat Control33
- NIGHT SET Mode34
- ECONO Mode35
- Intelligent Eye36
- Inverter POWERFUL Operation38
- Other Functions39
Function of Thermistor41
Control Specification42
- Mode Hierarchy42
- Frequency Control43
- Controls at Mode Changing / Start-Up45
- Compressor Protection Function46
- Discharge Pipe Temperature Control47
- Input Current Control48
- Freeze-Up Protection Control49
- Heating Peak-Cut Control49
- Fan Control50
- Liquid Compression Protection Function 250
- Defrost Control51
- Electronic Expansion Valve Control52
- Malfunctions55
- Forced Operation Mode56
- Additional Function56
- Facility Setting Jumper (Cooling at Low Outdoor Temperature)57
Part 5 Operation Manual58
System Configuration59
Instruction60
- Safety Precautions60
  - Installation Site61
  - Electrical Work61
- Name of Parts62
- Remote Controller64
- Preparation before Operation65
- AUTO · DRY · COOL · HEAT · FAN Operation68
- Adjusting the Airflow Direction70
- POWERFUL Operation72
- OUTDOOR UNIT QUIET Operation73
- ECONO Operation74
- INTELLIGENT EYE Operation75
- TIMER Operation77
- Care and Cleaning79
  - Air Filter80
  - Before a Long Idle Period81
- Troubleshooting82
- Disposal Requirements84
Part 6 Service Diagnosis86
Caution for Diagnosis87
Problem Symptoms and Measures88
Service Check Function89
Troubleshooting92
- Error Codes and Description92
- Indoor Unit PCB Abnormality93
- Freeze-Up Protection Control or High Pressure Control94
- Fan Motor (DC Motor) or Related Abnormality96
- Thermistor or Related Abnormality (Indoor Unit)98
- Signal Transmission Error (between Indoor and Outdoor Unit)99
- Unspecified Voltage (between Indoor and Outdoor Units)101
- Outdoor Unit PCB Abnormality102
- OL Activation (Compressor Overload)104
- Compressor Lock105
- DC Fan Lock106
- Input over Current Detection107
- Four Way Valve Abnormality110
- Discharge Pipe Temperature Control112
- High Pressure Control in Cooling114
- Compressor System Sensor Abnormality116
- Position Sensor Abnormality119
- DC Voltage / Current Sensor Abnormality120
- CT or Related Abnormality121
- Thermistor or Related Abnormality (Outdoor Unit)123
- Electrical Box Temperature Rise125
- Radiation Fin Temperature Rise127
- Output over Current Detection131
- Insufficient Gas133
- Over-Voltage Detection137
- Signal Transmission Error (on Outdoor Unit PCB)138
Check139
- How to Check139
- Sibe04140
Part 7 Removal Procedure148
Indoor Unit149
- Removal of Air Filter149
- Removal of Front Panel151
- Removal of Front Grille153
- Removal of Front Panel153
- Removal of Horizontal Blades and Vertical Blades156
- Removal of Electrical Box159
- Removal of PCB162
- Removal of Drain Pan Unit168
- Removal of Fan Motor172
- Removal of Heat Exchanger174
- Removal of Fan Rotor177
- Removal of Heat Exchanger177
Outdoor Unit180
- Arxs 25/35 F180
- Arxs 50 E205
Part 8 Others228
Others229
- Test Run from the Remote Controller229
- Jumper Settings230
- Application of Silicon Grease to a Power Transistor and a Diode Bridge231
Part 9 Appendix232
Piping Diagrams233
- Indoor Units233
- Outdoor Units234
Wiring Diagrams235
- Indoor Units235
- Outdoor Units236
Index238

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Daikin ATXS20E2V1B Specifications

General

Brand	Daikin
Model	ATXS20E2V1B
Category	Air Conditioner
Language	English

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