Hitachi RAS-2HVRN2 Manuals

Manuals and User Guides for Hitachi RAS-2HVRN2. We have 3 Hitachi RAS-2HVRN2 manuals available for free PDF download: Service Manual, Installation And Operation Manual

Hitachi RAS-2HVRN2 Service Manual (489 pages)

UTOPIA DC-INVERTER IVX/(2/2.5)HP/ES SERIES Air Conditioner

Brand: Hitachi | Category: Air Conditioner | Size: 33.12 MB

Service Manual
1
Index
3
Table of Contents
5
General Information Index
11
Environment-Friendly Units
12
General Information
12
General Note
12
Introduction
12
Applied Symbols
13
Product Guide
14
Safety Summary
18
- Hanging Method
  19
- Test Run.
  19
Transportation of Outdoor Unit
19
Center of Gravity
20
Factory-Supplied Accessories for RAS-(8-12)HRNM
21
Installation Space (Initial Ckeck)
22
Checking the Unit Without the Drain-Up Mechanism
60
General Notes
60
Checking the Unit with the Drain-Up Mechanism and the Float Switch
61
Piping Work Connection Considerations
62
- Piping Materials
  62
  - Piping Connection
    62
  - Insulation
    63
- Three Principles on Refrigerant Piping Work
  64
- Suspension of Refrigerant Piping
  64
- Brazing Work
  65
- Refrigerant Charge
  66
- Caution of the Pressure by Check Joint
  66
- Examples of 3 HP and 5 HP
  66
- Refrigerant Charge Quantity
  67
  - Outdoor Unit Factory Refrigerant Charge (wo Kg)
    67
  - Refrigerant Charge Quantity for es Series
    68
- Pump down Refrigerant
  69
Outdoor Units IVX Series
70
Outdoor Units es Series
80
General Check
92
Electrical Wiring for the Outdoor Unit IVX Series
93
- Electrical Wiring Connection for the Outdoor Unit
  93
- Setting the DIP Switches for the Outdoor Unit
  94
Electrical Wiring for the Outdoor Unit es Series
98
- Setting the DIP Switches for the Outdoor Unit
  99
Electrical Wiring between Indoor Unit and Outdoor Unit
103
- Wire Sizes for IVX Series
  105
  - Wire Size in Relationship to the Intensity
    106
  - Main Switches Types
    106
- Wire Sizes for es Series
  107
- Field Minimum Wire Sizes for the Power Source
  107
- H-LINK II System
  109
- Electrical Wiring Diagrams for IVX Series
  118
  - Ras-3Hvrnm2E
    118
  - Ras-(4-6)Hvrnm2E
    119
  - Ras-(4-6)Hrnm2E
    120
- Electrical Wiring Diagrams for es Series
  122
  - Ras-(2/2.5)Hvrn2
    122
  - Ras-3Hvrns2
    123
  - Ras-(4-6)Hvrns2E
    124
  - Ras-(4-6)Hrns2E
    125
  - Ras-(8/10)Hrnse
    126
  - Control System Index
    127
- Device Control System for IVX Series
  128
- Outline of the Control System
  129
- Device Control System for es Series
  130
- Outdoor Units PCB for IVX Series
  132
- Ras-(3-12)H(V)Rnm(2)(E)
  132
- Outdoor Units PCB for es Series
  133
  - Ras-(2-3)Hvrn(S)2
    133
  - Ras-(4-10)H(V)Rns(2)E
    134
- Protection and Safety Control for IVX Series
  136
  - Compressor Protection
    136
  - Safety and Control Device Setting for the Outdoor Units
    136
- Protection and Safety Control for es Series
  137
- Standard Operation Sequence for IVX Series
  138
  - Cooling Operation
    138
  - Dry Operation
    140
  - Heating Operation
    142
  - Defrost Operation Control
    144
- Standard Operation Sequence for es Series
  145
- Standard Control Functions for IVX Series
  152
- Standard Control Functions for es Series
  161
  - Control for Auto Cool/Heat Operation
    169
  - Optional Functions Index
    171
Outdoor Units IVX and es Series
172
- Available Ports
  172
- Specification of the Components for a Correct Installation
  173
- Configuration
  174
  - Available Optional Signals
    174
  - Programming
    174
  - Input and Output Signals
    174
- Description of Optional Input Signals
  175
- Selection of the Input Signal
  175
- Description of Optional Output Signals
  176
- Optional Functions
  177
  - Selecting the Optional Function
    178
  - Test Run Index
    183
Checking Procedure before the Test Run
184
Test Run Procedure Using the Remote Control Switch
186
Test Run Procedure Using the Wireless Remote Control Switch
188
- Setting of Dip Switch
  190
- Check List for IVX Series
  191
- Check List for es Series
  199
  - Check List on Test Run
    199
  - Troubleshooting Index
    205
Test Run Procedure from the Outdoor Unit Side
190
Initial Troubleshooting for IVX an es Series
206
Troubleshooting Procedure for IVX an es Series
214
Procedure for Checking each Main Part
309
RAS-3HVRNM2E Cycle and Structural Parts
336
Spare Parts for IVX Series
336
Spare Parts for es Series
351
10 Servicing

369

Hitachi RAS-2HVRN2 Service Manual (424 pages)

Yutaki S Series

Brand: Hitachi | Category: Air Conditioner | Size: 34.38 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-2HVRN2 Installation And Operation Manual (88 pages)

YUTAKI S Series

Brand: Hitachi | Category: Air Conditioner | Size: 4.26 MB

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More Hitachi Manuals

Hitachi RAS-2HVRN2 Manuals

Hitachi RAS-2HVRN2 Service Manual (489 pages)

Table of Contents

10 Servicing

Hitachi RAS-2HVRN2 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-2HVRN2 Installation And Operation Manual (88 pages)

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