Hitachi RAS-16FSXN Manuals

Manuals and User Guides for Hitachi RAS-16FSXN. We have 1 Hitachi RAS-16FSXN manual available for free PDF download: Service Manual

Hitachi RAS-16FSXN Service Manual

Hitachi RAS-16FSXN Service Manual (367 pages)

Brand: Hitachi | Category: Air Conditioner | Size: 18 MB

Table of Contents

Table of Contents
3
1 General Information

9
- Copyright
  9
- Introduction
  9
- Environment-Friendly Units
  9
- Safety
  10
  - Symbols Used
    10
- Product Guide
  11
- Unit Installation
  
  14
  - Outdoor Unit
    15
    
    Preliminary Conditions for Positioning of Outdoor Unit
    15
    
    Transport, Lifting and Handling of the Units
    15
    
    Installation Space RAS-(8-18)FSXN
    17
    
    Center of Gravity
    18
    
    Installation
    18
    
    Foundation and Anchorage of Outdoor Unit
    27
  - Units
    29
    
    Transportation and Handling CH Units
    29
    
    Unit Installation
    29
3 Piping Work and Refrigerant Charge

37
- Outdoor Unit
  37
- Unit
  73
  - Considerations
    73
  - Piping Materials
    73
  - Cautions for Piping Connection Work
    73
  - Refrigerant Piping Work
    74
4 Electrical Wiring

79
- Outdoor Unit
  79
- Unit
  90
5 Control System

95
- Cycle Control
  95
- Compressor Operation Control
  96
- Heat Exchanger Mode Control
  101
- Outline of the Control System
  102
- Standard Operation Sequence
  104
- Cooling Operation
  104
- Cooling Operation (Continued)
  105
- Dry Operation
  106
- Dry Operation (Continued)
  107
- Antifreeze Protection Control During the Cooling or Dry Operation
  108
- Heating Operation
  109
- Heating Operation (Continued)
  110
- Defrost Operation
  111
- Excessive High Discharge Air Temperature Prevention Control
  112
- Protection Control
  113
- Control of CH Unit (CH-(6.0/10.0)N1)
  116
- Control and Safety Devices
  118
  - Outdoor Unit
    118
  - Unit
    118
6 Optional Functions

120
- Setting Method
  120
- External Input and Output Setting
  120
  - External Input Function Setting
    122
  - External Output Function Setting
    126
- Function Setting
  129
  - Indoor Unit Fan Control During the Thermo-OFF in Heating Mode
    136
  - Night-Shift (Low Noise)
    137
  - Cancellation of the Outdoor Ambient Temperature Limit
    138
  - Defrost for Cold Area (Change of Defrost Condition)
    139
  - Slo Defrost Setting
    139
  - Cancellation of Hot Start
    139
  - Demand Function Setting
    139
  - Wave Function Setting
    140
  - Cold Draft Protection
    140
  - Adjustment of Fan Rotation
    140
7 Test Run

142
- Preliminary Checks
  142
8 Troubleshooting

154
9 Spare Parts

281
10 Servicing

296
11 Electrical Checks of the Main Parts

333
- Inverter
  333
  - Inverter Specifications
    333
  - Inverter Power Unit Structure
    334
  - Protection Function
    335
  - Overload Protection Control
    336
- Scroll Compressor
  337
  - Reliable Mechanism for Low Vibration and Low Sound
    337
  - Compression Principles
    337
  - Structure
    337
  - Compressor Type
    338
- Thermistors
  339

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