User Manuals: Fujitsu AirStage AU18 Compact VRF System

Manuals and User Guides for Fujitsu AirStage AU18 Compact VRF System. We have 3 Fujitsu AirStage AU18 Compact VRF System manuals available for free PDF download: Service Manual, Installation Manual

Fujitsu AirStage AU18 Service Manual (199 pages)

Multi Air Conditioning System for Buildings VRF (Freely Selectable Multi Type System)

Brand: Fujitsu | Category: Air Conditioner | Size: 14 MB

Table of Contents
3
1 Outline of System

5
- Model Construction
  5
- System Construction Conditions
  7
  - Refrigerant Piping
    7
  - System Wiring
    12
  - Address Setting
    13
    
    Kinds of Address and Setting Range
    13
- 2 Test Run Adjustment
  
  19
  - Check Items before Test Run
    19
  - Test Run Method
    19
    
    Outdoor Pc Board
    20
    
    Test Operation Using Remote Controller
    20
  - Test Run Control
    22
- 3 Refrigerant Pipe System Diagram
  
  23
  - Cooling Only / Heat Pump Type
    23
  - Heat Recovery Type
    24
- 4 Function of Printed Circuit Board
  
  25
  - Pcb Layouts
    25
  - Microprocessor Block Diagram
    26
  - Microprocessor Function List
    28
  - Function and Setting of each Switch
    30
    
    Indoor Unit
    30
    
    Outdoor Unit
    34
    
    Remote Controller
    36
- 5 Outdoor Unit Operation Control
  
  43
  - Compressor Operation Control
    43
    
    Operation Stop Condition
    43
    
    Compressor Output Pattern
    43
    
    Minutes Restart Prevention (3 Min St)
    43
    
    Compressor Recovery Operation
    44
  - Heat Exchanger Capacity Control
    45
  - Outdoor Fan Motor Control
    46
  - Expansion Valve 1/2 Control
    48
  - Four-Way Valve 1 Control
    49
  - Circulating Save Amount Control
    50
  - Solenoid Valve 2 Control
    51
  - Four-Way Valve 5 Control
    52
  - Defrosting Control
    53
  - Oil Return Control
    54
  - Oil Recovery Control
    55
  - Protection Function
    56
  - Pump down Control
    57
6 Indoor Unit Operation

59
- Timer Control
  59
- Fan Control
  64
  - Auto" Position
    64
  - Low" "Med" and "High" Position
    64
- Master Control
  65
  - Operation Mode Control
    65
  - Cool" Position
    69
  - Heat" Position
    69
  - Fan" Position
    70
- Louver Control
  71
7 Wiring Diagram

74
- Electronic Expansion Valve Control
  74
- Auto Restart
  74
- Drain Pump Operation
  74
  - Indoor Unit
    74
  - Outdoor Unit
    83
8 Troubleshooting

84
- Indoor Unit
  84
  - Normal Operation Display
    84
  - Abnormal Operation Display
    85
- Outdoor Unit
  88
  - Normal Operating Display
    88
  - Abnormal Operation Display
    89
- Remote Control Unit
  90
- Error Code & Troubleshooting
  91
  - Indoor Unit Troubleshooting
    91
  - Outdoor Unit Troubleshooting
    96
  - Central Remote Controller Troubleshooting
    109
  - Troubleshooting (no Error Code)
    114
  - Others 1
    115
- Others
  124
  - Characteristics of Thermistor
    124
  - Pressure Sensor
    126
  - Electric Expansion Valve
    126
  - Rb Unit (Heat Recovery Type Only)
    126
  - Others
    126
9 In Use of the New Refrigerant R407C

129
10 Disassembly Illustration

134
11 Parts List

180

Fujitsu AirStage AU18 Service Manual (163 pages)

Multi Air Conditioning System for Buildings

Brand: Fujitsu | Category: Air Conditioner | Size: 15 MB

Service Manual
1
Table of Contents
3
1 Test Run

6
2 Function of Printed Circuit Board

12
- Pcb Layouts
  13
- Microprocessor Function List
  20
  - Outdoor Unit
    23
- Function and Setting of each Switch
  24
  - Indoor Unit(Compact Wall Mounted Type)
    28
- Remote Controller
  30
  - Outdoor Unit
    31
    
    Rotary Switch Setting
    33
    
    External Output
    33
  - Wired, Simple Remote Controller
    34
  - Central Remote Controller
    36
- Network Convertor
  38
- Outdoor Unit
  43
  - Central Remote Controller / Pc Controller
    44
  - Network Convertor
    46
3 Outdoor Unit Operation Control

49
4 Indoor Unit Operation

61
5 Troubleshooting

77
- Normal Operation Display
  77
- Normal Operating Display
  79
- Wired Remote Controller
  81
- Simple Remote Controller
  81
- Trouble Shooting with Error Code
  86
- Trouble Shooting with no Error Code
  112
- Operation Not Trouble
  122
- Examples of System Setting
  128
- Start and Stop of the Pump down
  132
- A Flow Chart of Pump down
  132
  - Brazing Work
    134
  - Additional Charge
    135
6 Appending Data 1 (Installation)

135
- What Is Cfc/Hcfc/Hfc
  138
- Characteristics of R22 and R407C
  138
  - Heat Exchanger
    139
  - Check Valve
    139
  - Ball Valve
    140
  - Pressure Switch
    140
- Pressure Sensor
  145
- Electric Expansion Valve
  145
- Rb Unit
  145

Fujitsu AirStage AU18 Installation Manual (21 pages)

INDOOR UNIT (Compact cassette type)

Brand: Fujitsu | Category: Air Conditioner | Size: 6 MB

Table of Contents
2
Safety Precautions
2
IMPORTANT! Please Read before Starting
2
Special Precautions
2
About this Product
3
Precautions for Using R410A Refrigerant
3
Special Tools for R410A Refrigerant
3
For Authorized Service Personnel Only
4
Accessories
4
Cassette Grille Accessories
5
Optional Parts
5
General Specifications
5
Type of Copper Pipe and Insulation Material
5
Additional Materials Required for Installation
5
Operating Range
5
Electrical Requirement
6
Installation Work
6
Selecting the Installation Location
6
Installation Dimensions
6
Installation the Unit
7
Installing Drain Pipes
8
Pipe Installation
9
Selecting the Pipe Material
9
Pipe Requirement
9
Flare Connection
10
Installing Heat Insulation
11
Electrical Wiring
11
Wiring System Diagram
12
Connection Cable Preparation
12
Connection of Wiring
12
Remote Controller Setting
13
Installing the Remote Controller
13
Setting the DIP Switches
14
Cassette Grille Installation
14
Remove the Intake Grille
14
Install Panel to Unit
15
Attach the Intake Grille
15
Function Setting
15
Special Installation Methods
18
Test Run
19
Optional Kit Installation
19
Customer Guidance
19
Error Codes
20

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User Manuals: Fujitsu AirStage AU18 Compact VRF System

Fujitsu AirStage AU18 Service Manual (199 pages)

Table of Contents

1 Outline of System

2 Test Run Adjustment

3 Refrigerant Pipe System Diagram

4 Function of Printed Circuit Board

5 Outdoor Unit Operation Control

6 Indoor Unit Operation

7 Wiring Diagram

8 Troubleshooting

9 In Use of the New Refrigerant R407C

10 Disassembly Illustration

11 Parts List

Fujitsu AirStage AU18 Service Manual (163 pages)

Table of Contents

1 Test Run

2 Function of Printed Circuit Board

3 Outdoor Unit Operation Control

4 Indoor Unit Operation

5 Troubleshooting

6 Appending Data 1 (Installation)

Fujitsu AirStage AU18 Installation Manual (21 pages)

Table of Contents

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