Fujitsu Airstage V series Manuals

Manuals and User Guides for Fujitsu Airstage V series. We have 1 Fujitsu Airstage V series manual available for free PDF download: Service Manual

Fujitsu Airstage V series Service Manual

Fujitsu Airstage V series Service Manual (323 pages)

Multi Air Conditioning System for Buildings

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

Table of Contents

- 1
  Service Manual
- 2
  Table of Contents
6
1 Test Run
13
2 Function of Printed Circuit Board
- 14
  PCB Layouts
- 24
  Microprocessor Function List
58
3 Inverter Control
- 59
  DC Inverter Control Method
- 59
  Inverter Block of Outdoor Unit
- 59
  Voltage Conversion Chart
- 60
  Basic Circuit of 3 Phase Inverter
- 60
  PWM Control (General Consideration)
  - 60
    Rectangularwave Inverter
  - 60
    Sinewave Inverter (for V Series)
- 61
  Circuit Description
  - 61
    Filter PCB
  - 61
    Current Transformer
  - 61
    IGBT (Insulated Gate Bipolar Transistor)
  - 61
    Power Relay & Resistor
  - 61
    Coil (Reactor)
  - 62
    Outdoor Unit Operation Control
63
4 Outdoor Unit Operation Control
- 63
  Input / Output List
- 64
  Compressor Operation
- 67
  Fan Control
  - 67
    Cooling Operation
  - 67
    Heating Operation
- 68
  Expansion Valve Control
- 68
  Special Operation
  - 68
    Snow Falling Protection Fan Mode
  - 68
    Oil Recovery Operation
  - 69
    Oil Balance Operation
  - 70
    Pre-Heat Operation
  - 71
    Defrost Operation Control
  - 72
    Protective Function List
74
5 Indoor Unit Operation
- 75
  "AUTO" Position
- 75
  Dry Operation
- 75
  Fan Control Info
- 75
  Fan Speed Setting
- 76
  Master Control
  - 76
    Operation Mode Control
  - 76
    Auto Changeover
    - 77
      "COOL" Position
    - 77
      "Heat" Position
    - 77
      "FAN" Position
- 78
  Louver Control
- 81
  Drain Pump Operation
- 81
  Electronic Expansion Valve Control
- 82
  Function
  - 82
    Auto Restart
  - 82
    Icing Protection Control
  - 82
    Oil Recovery Operation
- 83
  Timer Control
  - 83
    Wireless Remote Controller
    - 83
      Program Timer
    - 83
      Sleep Timer
    - 85
      Group Remote Controller Info
    - 85
      Weekly Timer
  - 87
    Wired Remote Controller
90
6 Trouble Shooting

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