Daikin RXN25KEV1B Manuals

Daikin RXN25KEV1B Manuals

Manuals and User Guides for Daikin RXN25KEV1B. We have 2 Daikin RXN25KEV1B manuals available for free PDF download: Service Manual

Daikin RXN25KEV1B Service Manual

Daikin RXN25KEV1B Service Manual (158 pages)

Inverter Pair Wall Mounted Type K-Series

Brand: Daikin | Category: Air Conditioner | Size: 12.04 MB

Table of Contents

Table of Contents
3
Introduction
6
- Safety Cautions
  6
- Used Icons
  10
Part 1 List of Functions
11
Functions
12
Part 2 Specifications
13
Specifications
14
Part 3 Printed Circuit Board Connector Wiring Diagram
15
Indoor Unit
16
Outdoor Unit
18
Part 4 Function and Control
19
Main Functions
20
- Temperature Control
  20
- Frequency Principle
  20
- Airflow Direction Control
  22
- Fan Speed Control for Indoor Unit
  23
- Program Dry Operation
  24
- Automatic Operation
  25
- Thermostat Control
  26
- NIGHT SET Mode
  27
- ECONO Operation
  28
- Inverter POWERFUL Operation
  29
- Other Functions
  30
Function of Thermistor
31
Control Specification
32
- Mode Hierarchy
  32
- Frequency Control
  33
- Controls at Mode Changing / Start-Up
  35
- Discharge Pipe Temperature Control
  36
- Input Current Control
  37
- Freeze-Up Protection Control
  38
- Heating Peak-Cut Control
  38
- Outdoor Fan Control
  39
- Liquid Compression Protection Function
  39
- Defrost Control
  40
- Electronic Expansion Valve Control
  41
- Malfunctions
  44
Part 5 Operation Manual
45
System Configuration
46
Operation Manual
47
- Remote Controller
  47
- AUTO·DRY·COOL·HEAT·FAN Operation
  48
- Adjusting the Airflow Direction
  50
- COMFORT AIRFLOW Operation
  52
- POWERFUL Operation
  53
- ECONO Operation
  54
- OFF TIMER Operation
  55
- ON TIMER Operation
  56
Part 6 Service Diagnosis
57
Troubleshooting with LED
58
- Indoor Unit
  58
- Outdoor Unit
  58
Problem Symptoms and Measures
59
Service Check Function
60
Troubleshooting
63
Check
97
- Thermistor Resistance Check
  97
- Hall IC Check
  98
- Power Supply Waveforms Check
  98
- Electronic Expansion Valve Check
  99
- Four Way Valve Performance Check
  100
- Inverter Unit Refrigerant System Check
  100
- Inverter Checker" Check
  101
- Installation Condition Check
  102
- Discharge Pressure Check
  103
- Outdoor Fan System Check
  103
- Main Circuit Short Check
  104
- Power Module Check
  104
Part 7 Removal Procedure
105
Indoor Unit
106
- Removal of Air Filters
  106
- Removal of Horizontal Blade
  108
- Removal of Front Panel
  110
- Removal of Front Grille
  111
- Removal of Electrical Box / Vertical Blades
  112
- Removal of Swing Motor / Pcbs
  117
- Removal of Indoor Heat Exchanger
  121
- Removal of Fan Rotor / Fan Motor
  124
- Exchange of Drain Hose (Piping Direction)
  127
Outdoor Unit
128
- Removal of Outer Panels
  128
- Removal of Outdoor Fan / Fan Motor
  130
- Removal of Electrical Box / PCB
  132
- Removal of Sound Blankets
  140
- Removal of Four Way Valve
  142
- Removal of Compressor
  145
Part 8 Trial Operation and Field Settings
146
Pump down Operation
147
Forced Cooling Operation
148
Trial Operation
149
Field Settings
150
- When 2 Units Are Installed in 1 Room
  150
- Jumper Settings
  150
Application of Silicon Grease to a Power Transistor and a Diode Bridge
151
Part 9 Appendix
152
Piping Diagrams
153
- Indoor Unit
  153
- Outdoor Unit
  154
Wiring Diagrams
155
- Indoor Unit
  155
- Outdoor Unit
  156

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Daikin RXN25KEV1B Service Manual

Daikin RXN25KEV1B Service Manual (23 pages)

Brand: Daikin | Category: Heat Pump | Size: 2.65 MB

Table of Contents

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