Fujitsu AS*E14 Manuals

Manuals and User Guides for Fujitsu AS*E14. We have 1 Fujitsu AS*E14 manual available for free PDF download: Service Manual

Fujitsu AS*E14 Service Manual

Fujitsu AS*E14 Service Manual (323 pages)

Multi Air Conditioning System for Buildings

Brand: Fujitsu | Category: Air Conditioner | Size: 65.04 MB

Table of Contents

Service Manual
1
Table of Contents
2
1 Test Run

6
2 Function of Printed Circuit Board

13
- PCB Layouts
  
  14
- Microprocessor Function List
  
  24
3 Inverter Control

58
- DC Inverter Control Method
  59
- Inverter Block of Outdoor Unit
  59
- Voltage Conversion Chart
  59
- Basic Circuit of 3 Phase Inverter
  60
- PWM Control (General Consideration)
  60
  - Rectangularwave Inverter
    60
  - Sinewave Inverter (for V Series)
    60
- Circuit Description
  
  61
  - Filter PCB
    61
  - Current Transformer
    61
  - IGBT (Insulated Gate Bipolar Transistor)
    61
  - Power Relay & Resistor
    61
  - Coil (Reactor)
    61
  - Smoothing Capacitor
    61
  - Outdoor Unit Operation Control
    62
4 Outdoor Unit Operation Control

63
- Input / Output List
  
  63
- Compressor Operation
  
  64
- Fan Control
  
  67
  - Cooling Operation
    67
  - Heating Operation
    67
- Expansion Valve Control
  
  68
- Special Operation
  
  68
  - Snow Falling Protection Fan Mode
    68
  - Oil Recovery Operation
    68
  - Oil Balance Operation
    69
  - Pre-Heat Operation
    70
  - Defrost Operation Control
    71
  - Protective Function List
    72
5 Indoor Unit Operation

74
- "AUTO" Position
  75
- Dry Operation
  75
- Fan Control Info
  75
- Fan Speed Setting
  75
- Master Control
  
  76
  - Operation Mode Control
    76
  - Auto Changeover
    76
    
    "COOL" Position
    77
    
    "Heat" Position
    77
    
    "FAN" Position
    77
- Louver Control
  
  78
- Electronic Expansion Valve Control
  
  81
- Drain Pump Operation
  
  81
- Function
  
  82
  - Auto Restart
    82
  - Icing Protection Control
    82
  - Oil Recovery Operation
    82
- Timer Control
  
  83
  - Wireless Remote Controller
    83
    
    Program Timer
    83
    
    Sleep Timer
    83
    
    Group Remote Controller Info
    85
    
    Weekly Timer
    85
  - Wired Remote Controller
    87
    
    To Start/Cancel the WEEKLY Timer Operation
    88
    
    To Set the DAY off (for a Holiday)
    88
    
    To Set the Temperature SET BACK Timer
    89
    
    To Start/ Cancel the Temperature SET BACK Timer Operation
    89
6 Trouble Shooting

90

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