Table Of Contents - Hitachi NEXT Series Instruction Manual

Table of Contents

Graphic Descriptions1
Model Code2
Table Of Contents3
Safety Precautions4
General Description8
Appearance8
Front View8
Rear View8
Components10
Daily Operating Components12
Controls On The Instrument Panel12
Oil Level Gauge12
Lubricating Oil12
Cooling Water13
Control Line Filter13
Stopping Operation13
Operating Procedure14
Instrument Panel14
Running Mode Light15
Digital Monitor15
Emergency Stop Button15
Start/Stop Operation16
Connecting The Power16
Emergency Stop16
How To Use The Liquid Crystal Display (Lcd)17
How To Move Between The Various Displays17
Monitoring Displays17
Menu Displays17
Monitor Displays During Normal Operation18
Message Displays19
Shutdown Messages19
Alarm Messages19
Messages Of Automatic Stop Display20
Scheduled Stop20
Lead/Lag Operation Stop20
Dryer Prestarted20
Maintenance Notice Messages21
Periodical Maintenance21
Other Message Displays21
In Unload Stop21
How To Move Within A Menu Display And To Change A Setting22
How To Select Or Change A Setting Within A Setting Display22
Model Setting Confirmation23
Operation Mode Setting23
Capacity Control24
Scheduled Operation24
Operation Data Display25
Alarm History25
Shutdown History25
Load Data Display25
Other Settings26
3-Language Display Switch26
Brightness Adjusting26
Initial Setting26
How To Use The Digital Monitor27
How To Display The Operation Status27
How To Display Shutdown History28
How To Display Various Settings28
How To Set Control Functions29
Various Settings29
F Mode Table29
Capacity Control Pressure Setting Conditions30
Change Of Pressure Setting31
Change Of Capacity Control Type31
Restart For Instantaneous Power Interruption31
Remote Operation Setting32
To Fix The Remote Operation32
Pressure Setting Switching Function33
Ecomode Function33
Setting Of Ecomode33
Energy Saving Effect33
Daily Operation Of Air Compressor34
Preparing The Air Compressor34
Starting The Air Compressor34
While Operating The Air Compressor35
When Stopping The Air Compressor35
Daily Operation Of Oil Mist Remover36
When Setting36
When Stopped36
Adjusting Procedure37
Adjusting The Suction Bypass37
Regulating The Oil Pressure37
Troubleshooting38
Protective Device38
When Connecting The Power38
During Operation39
Others39
Troubleshooting Of Air Compressor40
Troubleshooting Of Oil Mist Remover41
The Vacuum Indicator Shows A Red Mark41
Oil Pressure Is Low41
Installing And Piping The Dsp42
Unpacking The Air Compressor42
Conveying The Air Compressor42
Installing The Air Compressor43
Piping The Air Compressor44
General Instructions44
Parallel Piping44
How To Install Automatic Discharge Valve45
Air Receiver Tank45
Reciprocating Compressor And Parallel Piping45
Drain Pipe46
Omr Control Air Piping46
Cooling Water Piping46
Ventilation Of Air Compressor Room47
Air Intake Opening47
Ventilation Without Duct47
Technical Data For Room Ventilation47
Water-Cooled Type48
Startup Operation Of The Air Compressor49
Before Operation49
Starting50
During Operating50
Proper Pressure/Temperature Indications On Lcd51
Stopping51
Initial Setting Of Omr Regulator52
Power Supply Equipment53
Miv And Wivm Wiring53
Connecting The Power Cable54
Other Operating Precautions55
Recommended Ac Reactor55
Wiring Diagram56
Control Panel/Lcd Monitor Specifications56
Standard Components And Subsystems62
Airend62
Intercooler62
Compressor Drive Train62
Air/Oil/ Water Flow63
Compressed Air Flow63
Oil Flow63
Cooling Air Flow63
Flow Diagram (Fixed Speed Type)64
Legend Of The Diagram64
Legend Of Sensors And Switches64
Flow Diagram65
Compressed Air Flow And Oil Flow66
Control Of Cooling Water68
Quantity And Pressure Of Cooling Water68
Cooling Water Quality68
Capacity Control System69
Load-Unload Operation69
Auto Operation70
Typical Change Of Pressure71
Capacity Control System V-Type72
Purging Air Flow And Action Of Blowoff Solenoid Valve72
Relationship Between Air Consumption Rate And Capacity Control System72
Cpcs Motor Speed Control73
Two-Step Purge Control73
Motor Stop/Restart Control73
Pq Wide Mode – Capacity Control Flow Settings74
Higher Capacity Is Desired74
Power Savings Are Desired74
Pq Wide Mode Settings74
Oil Mist Remover System75
By Installing The Oil Mist Remover75
Periodical Maintenance Of Air Compressor76
Daily Operation Control76
Maintenance At Periodic Intervals76
Standard Maintenance Schedule77
Daily And 3-Month Schedule77
Bi-Annual Schedule77
Annual And 3-Year Schedule78
2-Year And 4-Year Schedule78
6-Year (Overhaul)78
Daily Schedule79
Annual Schedule80
3-Year And 4-Year Schedule80
Maintenance Schedule For Oil Mist Remover81
How To Service The Air Compressor82
Cleaning Of Air Intake Filter (Bi-Annually)82
Depressurizing The System83
Intercooler Side83
Aftercooler Side83
Condensate Drain Port (Intercooler/Aftercooler) (Daily Check)84
Check The Condensate Drain84
Cleaning Of Strainer84
Cleaning Of Strainer Element84
Disassembly Of Strainer Element During Operation85
Valve Condition During Normal Operation85
Cleaning The Strainer Element During Operation85
Lubricating Oil Replacement (Annually)86
Oil Drain86
Oil Filling86
Cleaning Of Oil Strainer (Primary) – (Bi-Annually)87
Replacement Of Oil Filter (Secondary) (Annually)87
Vtype87
Fixed-Speed Type87
Operation Check Of Air Relief Valve (Bi-Annually)88
Cleaning Of Control Line Filter (Bi-Annually) [Fixed-Speed Type]88
Cleaning Of Cooler (Annually)89
For Heavy And Greasy Dust Particles89
Oil Cooler90
Scale Removal90
Aftercooler/Intercooler90
Replacement Of Check Valve (2-Yearly)91
Removing The Enclosure Panels91
Battery Replacement (6-Yearly)92
Battery Replacement Method92
Cautions For Disposal Of Old Batteries92
Battery Life And Specifications92
Maintenance Of Main Motor93
Motor Diagnostics And Troubleshooting93
Temperature Increase93
Cleaning93
Main Motor Greasing94
Grease Filling Amount94
Oil Mist Remover95
Replacement Of Remover Element95
Maintenance Of Filter Regulator95
Maintenance Of Ejector95
Cautions For A Long Term Operation Suspension96
Parts List97
Air End Assembly97
Gear Case Assembly97
Motor Assembly98
Suction99
Coolers & Ventilating Fan100
Blowoff Piping111
Control Air Pipe112
Enclosure116
Relocation And Disposal121
Warranty And After-Sales Service122
Warranty122
Operation Record Logbook123
Standard Specifications124