Hitachi RAS-HVRN2 Manuals

Manuals and User Guides for Hitachi RAS-HVRN2. We have 2 Hitachi RAS-HVRN2 manuals available for free PDF download: Service Manual, Technical Catalogue

Hitachi RAS-HVRN2 Service Manual (424 pages)

Yutaki S Series

Brand: Hitachi | Category: Air Conditioner | Size: 34 MB

Service Manual
1
Table of Contents
5
1 General Information

11
- General Information
  12
  - General Notes
    12
  - Introduction
    12
  - Contents
    13
  - Environtment-Friendly Units
    13
- Applied Symbols
  14
- Product Guide
  15
2 Unit Installation

21
- SMGB0070 Rev. 1
  21
- Outdoor Unit Installation
  22
  - Initial Check
    22
  - Transportation of Outdoor Unit
    23
  - Center of Gravity
    24
  - Factory-Supplied Accessories for RAS-(8-10)HRNME-AF
    25
  - Installation Space
    26
  - Installation Place Provision
    36
  - Optional Parts and Installation
    39
  - Specifications
    41
- Indoor Unit Installation
  58
  - Selection of the Installation Location
    58
  - Wall Mounting Procedure
    59
  - Cover Assembly
    60
  - Drain Pan Assembly
    61
  - Service Space
    61
- DHWT - Domestic Hot Water Tank
  62
  - Name of Parts
    62
  - Unit Installation
    63
  - Selection Procedure for DHWT Units
    63
  - Working Space
    63
3 Piping Work and Refrigerant Charge

65
- Refrigerant and Water Pipe Work
  66
- Water Pipe Work and Connection
  77
  - General Notes
    77
  - Water Piping Connection
    78
  - Draining Pipe Work
    79
  - Circuit Water Filling-In
    79
  - Water Flow Adjustment
    79
- Pressure Charts
  81
- DHWT - Domestic Hot Water Tank
  83
  - Hydraulic Circuit
    83
  - Pressure Drop
    84
4 Electrical Wiring

85
- Unit Electrical Wiring and Connection
  86
  - General Check
    86
  - Electrical Connection of Outdoor Unit
    87
  - Electrical Connection of Indoor Unit
    89
  - Control System
    91
- Setting of DIP Switches and RSW Switches
  97
  - Outdoor Unit
    97
  - Optional Functions 7
    98
  - Indoor Unit
    100
- Common Wiring
  107
  - Electrical Wiring between Outdoor and Indoor Unit
    107
  - Wire Sizes
    108
- DHWT - Domestic Hot Water Tank
  109
  - Electrical Wiring Connection
    110
  - Internal Wiring
    112
  - Electric Heater
    114
- Electrical Wiring Diagrams
  116
  - Electrical Wiring Diagram for Indoor Unit
    116
  - Electrical Wiring Diagram for Outdoor Unit
    118
5 Control System

123
- Device Control System
  124
- Printed Circuit Board
  125
  - Indoor Unit
    125
  - Outdoor Unit
    126
- Safety Protection and Control Device
  128
  - Indoor Unit
    128
  - Outdoor Unit
    128
- Standard Control Functions
  129
  - Indoor Unit
    129
  - Installation Information
    171
6 LCD User's Interface

189
- Description of the Hardware
  190
  - Button Definitions
    190
- Comprehensive View
  190
- Description of the Icons
  192
- Controller Configuration
  194
- Unit Configuration
  195
  - Operation Display
    195
  - Space Heating Configuration
    196
  - Space Cooling Configuration
    198
  - Dhw
    200
  - Optional Functions
    202
- Installer Access
  203
  - Unit Configuration
    204
  - System Configuration
    206
  - Water Pump
    208
7 Optional Functions

211
- Indoor Unit
  212
- Outdoor Units
  219
  - Available Ports
    219
  - Configuration
    221
  - Description of Optional Output Signals
    223
8 Commissioning

225
- Preliminary Check
  226
  - Checking the Unit
    226
  - Electrical Checking
    226
  - Hydraulic Circuit Checking
    226
  - Checking the Refrigerant Circuit
    227
- Commissioning Procedure
  227
- Indoor Unit Test Run
  228
- Outdoor Unit Test Run
  229
9 Electrical Checks of the Main Parts

231
- Inverter
  232
  - Specifications of Inverter
    232
  - Inverter Time Chart
    234
  - Protective Function
    235
  - Overload Control
    236
- Thermistor
  237
- Electronic Expansion Valve
  240
  - Electronic Expansion Valve for the Outdoor Unit
    240
  - Electronic Expansion Valve for the Indoor Unit
    241
- High Pressure Protection Device
  242
- Noise Filter (NF)
  243
  - Noise Filter for 1
    243
  - Noise Filter for 3N
    244
- Capacitor (CB1, CB2)
  244
- Reactor (DCL)
  245
  - Reactor (DCL) for 1
    245
  - Reactor (DCL) for 3N
    245
- Scroll Compressor
  246
10 Spare Parts

247
- Outdoor Units
  248
  - Ras-2Hvrn2
    248
  - Ras-3Hvrnme-Af
    250
  - Electrical Parts
    251
  - Ras-(4-6)Hvrnme-Af
    253
  - Ras-(4-6)Hrnme-Af
    256
  - Ras-(8/10)Hrnme-Af
    259
- Indoor Units
  262
11 Servicing

267
- Outdoor Unit
  268
  - Ras-2Hvrn2
    268
    
    Removing the Compressor
    270
    
    Removing Electronic Expansion Valve Coil
    272
    
    Troubleshooting
    273
  - Ras-3Hvrnme-Af
    275
    
    Removing Reversing Valve
    282
    
    Removing Electrical Components
    284
  - Ras-(4-6)H(V)Rnme-Af
    286
  - Ras-(8/10)Hrnme-Af
    302
  - Pressure Switch
    308
- Indoor Unit
  318
  - Removing Service Cover
    318
  - Replacing Electrical Components
    319
  - Replacing Hydraulic Components
    324
  - Replacing Refrigerant Parts
    332
12 Troubleshooting

337
- Troubleshooting Procedure
  338
  - Alarm Code
    338
  - Troubleshooting by Alarm Code
    341
Contents

397

Hitachi RAS-HVRN2 Technical Catalogue (166 pages)

YUTAKI S SERIES

Brand: Hitachi | Category: Air Conditioner | Size: 11 MB

Table of Contents
5
1 General Information

11
- General Information
  12
  - General Notes
    12
  - Introduction
    12
  - Environment-Friendly Units
    13
  - Environtment-Friendly Units
    13
- Applied Symbols
  14
- Product Guide
  15
2 Features and Benefits

21
3 General Data

55
- YUTAKI S System
  56
- Indoor Unit
  57
- Outdoor Unit
  59
  - Ras-(2-6)(Hvrn2/Hvrnme-Af)
    59
  - Ras-(4-10)Hrnme-Af
    60
- Domestic Hot Water Tank
  61
- Component Data
  62
  - Indoor Unit
    62
  - Outdoor Unit
    63
- Electrical Data
  65
  - Considerations
    65
  - Indoor Unit
    65
  - Outdoor Unit
    65
  - Domestic Hot Water Tank
    66
4 Capacity and Selection Data

67
- System Selection Procedure
  68
  - Selection Parameters
    68
  - Selection Procedure
    68
- Maximum Capacity Tables
  77
  - Maximum Heating Capacity (Kw)
    77
  - Maximum Cooling Capacity (Kw)
    79
- Heating Nominal Points of Interest
  80
- Correction Factors
  81
  - Defrost Correction Factor
    81
  - Piping Length Correction Factor
    81
5 Acoustic Characteristic Curves

85
- Overall Sound Level
  86
  - Outdoor Unit
    87
  - Indoor Unit
    89
6 Working Range

91
- Temperature Range
  92
  - Heating Mode
    92
  - Cooling Mode
    93
7 General Dimensions

95
- Dimensions
  96
  - Indoor Unit
    96
  - Outdoor Unit
    98
  - Domestic Hot Water Tank
    102
- Service Space
  104
  - Indoor Unit
    104
  - Outdoor Unit
    104
8 Refrigerant Cycle

105
9 Piping Work and Refrigerant Charge

111
- Refrigerant Piping
  112
  - Refrigerant Piping Length
    112
  - Refrigerant Piping Size
    112
- Copper Pipes, Measurements and Connection
  113
  - Copper Pipes and Measurements
    113
  - Pipe Connection
    114
- Refrigerant Charge Amount
  114
- Precautions in the Event of Gas Refrigerant Leaks
  115
- Refrigerant Pipe Work
  117
- Water Pipe Work and Connection
  120
  - General Notes
    120
  - Optional Functions
    120
  - Water Piping Connection
    121
  - Draining Pipe Work
    122
  - Circuit Water Filling-In
    122
  - Water Flow Adjustment
    122
- Pressure Charts
  124
- DHWT - Domestic Hot Water Tank
  126
  - Hydraulic Circuit
    126
  - Pressure Drop
    127
  - General Standard for Hydraulic Installation
    127
10 Electrical Wiring

129
- Power Supply
  130
  - General Check
    130
  - Electrical Connection of Outdoor Unit
    131
  - Electrical Connection of Outdoor Unit
    133
- Setting of DIP Switches and RSW Switches
  135
  - Outdoor Unit
    135
  - Indoor Unit
    138
- Common Wiring
  143
  - Electrical Wiring between Outdoor and Indoor Unit
    143
  - Wire Sizes
    144
- Domestic Hot Water Tank
  145
  - Electrical Wiring Connection
    145
  - Wire Size
    145
11 Installation Configuration

147
- Heating System Configurations
  148
  - System Configuration
    148
  - Typical Installation Samples
    149
- Cooling System Configurations
  154
- Additional Combinations
  157
  - Swimming Pool
    157
  - Solar Panel
    157
12 Optional Functions

159
- Optional Functions of the Indoor Unit
  160
13 Troubleshooting

161
- On Screen During Abnormal Operation
  162
- Alarm Codes
  162

Hitachi Categories

Air Conditioner

Projector Drill

Refrigerator

More Hitachi Manuals

Hitachi RAS-HVRN2 Manuals

Hitachi RAS-HVRN2 Service Manual (424 pages)

Table of Contents

1 General Information

2 Unit Installation

3 Piping Work and Refrigerant Charge

4 Electrical Wiring

5 Control System

6 LCD User's Interface

7 Optional Functions

8 Commissioning

9 Electrical Checks of the Main Parts

10 Spare Parts

11 Servicing

12 Troubleshooting

Contents

Hitachi RAS-HVRN2 Technical Catalogue (166 pages)

Table of Contents

1 General Information

2 Features and Benefits

3 General Data

4 Capacity and Selection Data

5 Acoustic Characteristic Curves

6 Working Range

7 General Dimensions

8 Refrigerant Cycle

9 Piping Work and Refrigerant Charge

10 Electrical Wiring

11 Installation Configuration

12 Optional Functions

13 Troubleshooting

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