Daikin FVKS25BAVMB Service Manual

Daikin FVKS25BAVMB

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Inverter Pair

Floor Standing Type B-Series

[Applied Models]

zInverter Pair : Cooling Only

zInverter Pair : Heat Pump

SiBE06 - 514A

Table of Contents

Table of Contents3
Introduction6
- Safety Cautions6
Part 1 List of Functions10
List of Functions11
Part 2 Specifications14
Specifications15
- Cooling Only15
- Heat Pump17
Part 3 Printed Circuit Board Connector Wiring Diagram20
Printed Circuit Board Connector Wiring Diagram21
- Indoor Unit21
- Outdoor Unit23
Part 4 Function and Control26
Main Functions27
- Frequency Principle27
- Flap Control29
- Air Flow Selection30
- Fan Speed Control for Indoor Units31
- Programme Dry Function32
- Automatic Operation33
- Thermostat Control34
- NIGHT SET Mode35
- HOME LEAVE Operation36
- Inverter POWERFUL Operation37
- Other Functions38
Function of Thermistor40
- Heat Pump Model40
- Cooling Only Model41
Control Specification42
- Mode Hierarchy42
- Frequency Control43
- Controls at Mode Changing / Start-Up45
- Discharge Pipe Control46
- Input Current Control47
- Freeze-Up Protection Control48
- Heating Peak-Cut Control48
- Fan Control49
- Liquid Compression Protection Function 249
- Defrost Control50
- Electronic Expansion Valve Control51
- Malfunctions54
- Forced Operation Mode55
- Additional Function55
- Facility Setting Jumper (Cooling at Low Outdoor Temperature)56
Part 5 System Configuration58
System Configuration59
Instruction60
- Safety Precautions60
  - Installation Site61
  - Electrical Work61
- Names of Parts62
- Remote Controller64
- Preparation before Operation65
- AUTO · DRY · COOL · HEAT · FAN Operation68
- Adjusting the Air Flow Direction70
- POWERFUL Operation72
- OUTDOOR UNIT SILENT Operation73
- HOME LEAVE Operation74
- TIMER Operation76
- Care and Cleaning78
  - Air Filter79
  - Before a Long Idle Period80
- Troubleshooting81
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
- Shutter Drive Motor / Shutter Limit Switch Abnormality99
- Signal Transmission Error (between Indoor and Outdoor Unit)100
- Unspecified Voltage (between Indoor and Outdoor Units)101
- Outdoor Unit PCB Abnormality102
- OL Activation (Compressor Overload)103
- Compressor Lock104
- DC Fan Lock105
- Input over Current Detection106
- Four Way Valve Abnormality107
- Discharge Pipe Temperature Control109
- High Pressure Control in Cooling110
- Compressor System Sensor Abnormality112
- Position Sensor Abnormality113
- DC Voltage / Current Sensor Abnormality114
- Thermistor or Related Abnormality (Outdoor Unit)115
- Electrical Box Temperature Rise117
- Radiation Fin Temperature Rise119
- Output over Current Detection121
- Insufficient Gas123
- Over-Voltage Detection125
Check126
- How to Check126
Part 7 Removal Procedure134
Indoor Unit135
- Removal of the Air Filter / Front Panel135
- Removal of the Horizontal Blade138
- Removal of the Electrical Box139
- Removal of the PCB142
- Removal of the Heat Exchanger144
- Removal of the Fan Rotor / Fan Motor146
Outdoor Unit148
- Removal of Panels and Fan Motor148
- Removal of Electrical Box155
- Removal of Reactor and Partition Plate157
- Removal of Sound Blanket159
- Removal of Four Way Valve161
- Removal of Compressor163
- Removal of PCB165
Part 8 Others168
Others169
- Test Run from the Remote Controller169
- Jumper Settings170
Part 9 Appendix172
Piping Diagrams173
- Indoor Units173
- Outdoor Units174
Wiring Diagrams176
- Indoor Units176
- Outdoor Units176
Index178
Drawings & Flow Charts182

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Daikin FVKS25BAVMB Specifications

General

Brand	Daikin
Model	FVKS25BAVMB
Category	Air Conditioner
Language	English

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