User Manuals: Hitachi 7E300121 Air Conditioner

Manuals and User Guides for Hitachi 7E300121 Air Conditioner. We have 1 Hitachi 7E300121 Air Conditioner manual available for free PDF download: Technical Catalogue

Hitachi 7E300121 Technical Catalogue

Hitachi 7E300121 Technical Catalogue (158 pages)

Brand: Hitachi | Category: Air Conditioner | Size: 14.71 MB

Table of Contents

Contents

3
- Table of Contents
  5
General Information

9
- General Information
  10
  - General Notes
    10
  - Introduction
    10
  - Environment-Friendly Units
    11
- Applied Symbols
  12
- Product Guide
  13
  - Model's Classification
    15
  - Accessory Code List
    16
Features and Benefits

19
3 General Data

55
- YUTAKI S80 System
  56
- Outdoor Unit
  57
  - Ras-(4-6)Hvrnme-Af
    57
  - Ras-(4-6)Hrnme-Af
    58
- Indoor Unit
  59
  - Rwh-(4.0-6.0)Fsvnfe
    59
  - Rwh-(4.0-6.0)Fsnfe
    60
- Domestic Hot Water Tank
  61
- Component Data
  62
  - Outdoor Unit
    62
  - Indoor Unit
    64
- Electrical Data
  65
  - Considerations
    65
  - Outdoor Unit
    65
  - Indoor Unit
    65
  - Domestic Hot Water Tank - Electrical Heater
    66
4 Capacity and Selection Data

67
- System Selection Procedure
  68
  - Selection Parameters
    68
  - Selection Procedure
    68
- Maximum Heating Capacity Tables
  76
- Correction Factors
  77
  - Defrost Correction Factor
    77
  - Piping Length Correction Factor
    77
Acoustic Characteristic Curves

79
- Sound Pressure Level for Outdoor Unit
  80
  - Considerations
    80
  - Charts
    81
6 Working Range

83
- Working Range
  84
7 General Dimensions

85
- Name of Parts
  86
  - Outdoor Unit
    86
  - Indoor Unit
    87
  - Domestic Hot Water Tank
    88
- Dimensional Data
  89
  - Outdoor Unit
    89
  - Indoor Unit and Domestic Hot Water Tank (Optional)
    89
- Service Space
  91
  - Outdoor Unit
    91
  - Indoor Unit and Domestic Hot Water Tank (Optional)
    92
8 Refrigerant Cycle and Hydraulic Circuit

95
- RAS-(4-6)H(V)RNME-AF + RWH-(4.0-6.0)FS(V)NFE Combination
  96
9 R E F R I G E R a N T a N D W a T E R P I P I N G

98
- Refrigerant Circuit
  98
  - Refrigerant Piping
    98
  - Piping Connections
    99
  - Refrigerant Charge
    100
  - Precautions in the Event of Gas Refrigerant Leaks
    100
  - Pump down of Refrigerant
    102
  - Refrigerant Check Joints
    102
- Space Heating Hydraulic Circuit
  103
  - Hydraulic Circuit
    103
  - Water Piping
    104
  - Water Quality
    105
  - Water Flow Adjustment
    105
  - Pressure Charts
    107
- Domestic Hot Water Hydraulic Circuit (Optional)
  108
  - Hydraulic Circuit
    108
  - Water Piping
    110
  - Water Quality
    112
10 Electrical Wiring

113
- Unit Electrical Wiring and Connection
  114
  - General Check
    114
- Electrical Wiring Connection
  116
  - Outdoor Unit Terminal Board Connections
    116
  - Indoor Unit Terminal Board Connections
    117
- Printed Circuit Board (PCB)
  118
  - Outdoor Unit
    118
  - Indoor Unit
    119
- Setting of DIP Switches and RSW Switches
  121
  - Outdoor Unit
    121
  - Indoor Unit
    124
- Common Wiring
  130
  - Electrical Wiring between Indoor and Outdoor Unit of the Air to Water Heat Pump System
    130
  - Electrical Wiring between DHW Tank and Indoor Unit
    133
11 Installation Configuration

135
- System Configurations
  136
- Installation Configurations
  138
  - Main Configurations
    139
  - Additional Combinations
    142
12 Optional Functions

147
- Indoor Unit
  148
  - Optional Functions
    148
  - Optional External Output Signals (by 7-Segment Display)
    149
- Outdoor Unit
  149
  - Optional Functions
    149
13 Troubleshooting

151
- Troubleshooting Procedure by Alarm Code
  152
  - Alarm Display
    152
  - Alarm Codes
    153

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