Hitachi RAS-2HVRN1E Manuals

Manuals and User Guides for Hitachi RAS-2HVRN1E. We have 1 Hitachi RAS-2HVRN1E manual available for free PDF download: Service Manual

Hitachi RAS-2HVRN1E Service Manual

Hitachi RAS-2HVRN1E Service Manual (482 pages)

Brand: Hitachi | Category: Air Conditioner | Size: 57.17 MB

Table of Contents

Service Manual
1
Table of Contents
5
1 General Information

9
- General Information
  10
  - Copyright
    10
  - Introduction
    10
  - Environment-Friendly Units
    10
- Safety
  11
  - Applied Symbols
    11
- Product Guide
  12
2 Unit Installation

15
3 Piping Work and Refrigerant Charge

57
- General Notes
  58
- Piping Work Connection Considerations
  60
  - Piping Materials
    60
  - Three Principles on Refrigerant Piping Work
    62
  - Suspension of Refrigerant Piping
    62
  - Brazing Work
    63
  - Refrigerant Charge
    64
  - Caution of the Pressure by Check Joint
    64
  - Refrigerant Charge Quantity
    65
  - Pump down Refrigerant
    67
- Outdoor Units IVX Series
  68
  - Piping Connection
    68
  - Refrigerant Piping Length
    73
  - Refrigerant Piping Selection
    74
  - Twin and Triple System Installation
    75
  - Drain Discharging Boss
    76
- Outdoor Units es Series
  78
4 Electrical Wiring

89
5 Control System

125
- Device Control System
  126
  - Device Control System for IVX Series
    126
  - Device Control System for es Series
    128
- Outdoor Units PCB
  130
  - Outdoor Units PCB for IVX Series
    130
  - Outdoor Units PCB for es Series
    131
- Protection and Safety Control
  134
  - Protection and Safety Control for IVX Series
    134
  - Protection and Safety Control for es Series
    135
- Standard Operation Sequence
  136
  - Standard Operation Sequence for IVX Series
    136
    
    Dry Operation
    138
    
    Heating Operation
    140
  - Standard Operation Sequence for es Series
    143
- Standard Control Functions
  150
  - Standard Control Functions for IVX Series
    150
  - Standard Control Functions for es Series
    159
6 Optional Functions

169
- Outdoor Units IVX and es Series
  170
  - Available Ports
    170
  - Configuration
    171
  - Setting of the Optional Signals
    172
  - Description of Optional Input Signals
    173
  - Description of Optional Output Signals
    174
  - Optional Functions
    175
7 Test Run

181
8 Troubleshooting

203
9 Spare Parts

333
- Spare Parts for IVX Series
  334
- Electrical Parts
  346
- Spare Parts for es Series
  349
10 Servicing

361
- Introduction
  362
- Servicing for IVX Series
  363
  - Outdoor Unit RAS-3HVRNME
    363
    
    Removing Upper Cover
    364
    
    Removing Reversing Valve
    370
  - Outdoor Units RAS-(4-6)H(V)RNM1E
    374
  - Oudoor Units RAS-(8-12)HRNM
    387
- Servicing for es Series
  403
11 Electrical Checks of Main Parts

441
- Inverter
  442
  - Inverter for IVX Series
    442
  - Inverter for es Series
    447
- Thermistor
  453
- Electronic Expansion Valve
  455
- High Pressure Protection Device
  456
- Noise Filter (NF)
  457
  - Noise Filter for IVX Series
    457
  - Noise Filter for es Series
    458
- Capacitor (CB1, CB2)
  460
- Reactor (DCL)
  461
  - Reactor (DCL) for IVX Series
    461
  - Reactor (DCL) for es Series
    461
- Scroll Compressor
  463
  - Reliable Mechanism for Low Vibrating and Low Sound
    463
  - Principle of Compression
    463
12 Maintenace Notes

465

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