Hitachi FS3 Series Manuals

Manuals and User Guides for Hitachi FS3 Series. We have 1 Hitachi FS3 Series manual available for free PDF download: Service Manual

Hitachi FS3 Series Service Manual

Hitachi FS3 Series Service Manual (240 pages)

Brand: Hitachi | Category: Air Conditioner | Size: 6.75 MB

Table of Contents

Service Manual
1
Table of Contents
5
Initial Troubleshooting
9
Troubleshooting Procedure
26
Procedure of Checking each Main Parts
90
Test Run
109
2 Servicing

115
- Outdoor Unit
  115
- IN-THE-CEILING TYPE (Models: RPI-0.8FSGE, RPI-1.0FSGE, RPI1.5FSGE,RPI-2.0FSGE, RPI- 2.5FSGE, RPI-3.0FSGE, RPI-4.0FSGE and RPI-5.0FSGE)
  126
- 4-Way Cassette Type
  129
  - Removing Long Life Filter
    129
  - Removing Intake Air Grille
    129
  - Removing Electrical Box Cover
    129
  - Removing Optional Air Panel
    129
  - Removing Turbo Fan and Fan Motor
    130
  - Removing Printed Circuit Board (Pcb)
    131
  - Removing Float Switch
    132
  - Removing Drain-Up Mechanism
    132
  - Removing Drain Pan
    133
  - Removing Thermistors for Liquid Pipe and Gas Pipe
    134
  - Removing Expansion Valve Coil
    134
  - Removing Automatic Louver Motor
    135
- 2-Way Cassette Type
  136
  - Removing Long Life Filter
    136
  - Removing Intake Air Grille
    136
  - Removing Electrical Box Cover
    137
  - Removing Optional Air Panel
    137
  - Removing Fan Motor
    138
  - Removing Bearing
    139
  - Removing Coupling
    139
  - Removing Printed Circuit Board (Pcb)
    139
  - Removing Float Switch
    140
  - Removing Drain-Up Mechanism
    140
  - Removing Drain Pan
    140
  - Removing Thermistors for Liquid and Gas Pipes
    141
  - Removing Electronic Expansion Valve Coil
    141
  - Removing Motor for Automatic Louver
    142
- Wall Type
  142
  - Removing Air Filter
    142
  - Removing Front Panel
    143
  - Removing Motor for Automatic Louver
    144
  - Removing Thermistors for Liquid Pipe, Gas Pipe, Discharge Air and Suction Air
    144
  - Removing Electrical Box Cover
    145
  - Removing Indoor Pcb
    146
  - Removing Drain Pan
    146
  - Removing Heat Exchanger
    146
  - Removing Fan and Fan Motor
    147
  - Removing Electronic Expansion Valve Coil
    148
- Floor Type
  149
  - Removing Intake Air Grille
    149
  - Removing Air Filter
    150
  - Removing Discharge Air Grille
    150
  - Removing Front Cover
    150
  - Removing Fan Motor
    150
  - Removing Printed Circuit Board (Pcb)
    151
  - Removing Thermistors for Liquid Pipe and Gas Pipe
    152
- Floor Concealed Type
  153
  - Removing Air Filter
    153
  - Removing Front Covers
    154
  - Removing Fan Motor
    154
  - Removing Printed Circuit Board (Pcb)
    154
  - Removing Thermistors for Liquid Pipe and Gas Pipe
    154
- Ceiling Type
  155
  - Removing Air Filter
    155
  - Removing Side Cover
    155
  - Removing Discharge Air Grille
    155
  - Removing Fan Motor
    156
  - Removing Bearing
    157
  - Removing Coupling
    158
  - Removing Automatic Louver Motor
    158
  - Removing Thermistors for Liquid Pipe and Gas Pipe
    158
  - Removing Printed Circuit Board (Pcb)
    159
  - Total Heat Exchanger
    159
    
    Removing Air Filter
    159
    
    Removing Total Heat Exchanging Rotor
    160
    
    Removing Air Supply Fan Assembly and Exhaust Fan Assembly
    160
  - Cleaning Indoor Unit Heat Exchanger
    161
    
    Required Tools for Cleaning (for All Indoor Units)
    161
    
    Cleaning 4-Way Cassette Type Indoor Unit
    163
    
    Cleaning 2-Way Cassette Type Indoor Unit
    166
    
    Cleaning Wall Type Indoor Unit
    168
    
    Cleaning Floor Type and Floor Concealed Type Indoor Unit
    168
    
    Cleaning Ceiling Type Indoor Unit
    170
  - Removing Remote Controller
    171
    
    Removing Remote Control Switch
    171
  - Collecting Refrigerant for Replacing Indoor Unit
    172
3 Main Parts

173
- Inverter
  173
  - Calculation of Operating Frequency
    173
  - Specifications of Inverter
    174
  - Arrangement of Inverter Power Unit
    176
  - Protective Function
    179
- Thermistor
  180
  - Resistance Value of Thermistor
    181
- Electronic Expansion Valve
  183
  - Electronic Expansion Valve for Outdoor Units
    183
  - Electronic Expansion Valve for Indoor Units
    184
- Pressure Sensor
  185
- Noise Filter
  186
- Capacitor
  188
- Reactor (Dcl)
  188
- Circuit Diagram for Printed Circuit Board of Outdoor Unit
  191
- Circuit Diagram for Printed Circuit Board of Indoor Unit
  195
- Circuit Diagram for Printed Circuit Board of Remote Control Switch
  197
- Circuit Diagram for Printed Circuit Board of Receiver
  199
4 Optional Function

201
- Indoor Unit
  201
- Outdoor Unit
  206
  - Demand
    207
  - Forced Stoppage
    207
  - Fixing Operation Mode
    208
  - Snow Sensor
    208
  - Defrosting Condition Changeover
    209
  - Indoor Fan Control During Thermo-Off at Heating
    209
  - All Season Heating Operation
    209
  - All Season Cooling Operation
    210
  - Night Shift (Low Sound) Operation
    210
  - Picking up Signals from Outdoor Unit Printed Circuit Board
    211
- Remote Control Switch (Pc-2H2)
  212
- Optional Wireless Remote Control Switch, Pc-Lh3
  219
  - Name of Parts
    219
  - Identifying of Indoor Units Installed Side by Side
    220
  - Simultaneous Operation
    220
  - Emergency Operation
    222
  - Optional Function Setting
    222
  - Optional Functions of Wireless Remote Control Switch
    223
- 7-Day Timer (Psc-3T)
  224
- Optional Central Station (Psc-3S1)
  226
  - Name of Parts
    226
  - System
    227
  - Operation Procedure for Central Station
    229
5 Field Work Instruction

231

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