Hitachi HFC-VAH2 2.5LB2 Manuals

Manuals and User Guides for Hitachi HFC-VAH2 2.5LB2. We have 1 Hitachi HFC-VAH2 2.5LB2 manual available for free PDF download: Instruction Manual

Hitachi HFC-VAH2 2.5LB2 Instruction Manual

Hitachi HFC-VAH2 2.5LB2 Instruction Manual (63 pages)

high-frequency inverter

Brand: Hitachi | Category: Inverter | Size: 1 MB

Table of Contents

Precautions
2
Table of Contents
3
Inspection Upon Unpacking
5
Standard Specifications
6
Specifications of Options
9
Protection of the High Speed Motor
11
Inveter
11
Installation
13
Inverter
13
Panel Cutting
14
Packing
14
Installation Diagram
15
Heat Output
15
Wiring
17
Terminals Description
17
Terminal Layout
17
Wiring Tools
17
Standard Wiring Tools and Wiring
18
Function of Terminals
19
Notes on Wiring
21
Separation of Lines
22
Standard Connection Diagram
22
Timechart
23
Adjustments
25
Frequency Selector Switches
26
Selection of Individual Maximum Frequency
26
Adjusting Stability
30
Selecting and Adjusting DC Braking
31
Adjusting Torque Boost
32
Adjusting the Frequency Increase Stop Time at Start
32
Adjusting Voltage
33
Control Switch
33
Selection of Overload Restriction
34
Explanation of Input/Output Signals
35
Types of Functions of Input/Output Signals
35
Operation
39
Check before Power on
39
Notes on Inverter Operations
40
Restart of the Motor
40
Use of a Private Power Supply
40
Trial Operation
41
Maintenance and Check
43
General Notes
43
Routing Check
44
Periodical Check
44
Schematic Diagram
45
Checking Method
47
Output Voltage Measurement Circuit
47
Maintenance of the Printed Cirucit Board
48
Schematic Diagram of the Inverter Module
50
Check of the Inverter Module at Terminals
50
Judging the Inverter Module
51
Terminal Connection for Insulation and Withstand Voltage Tests
51
Fault Message Diagnostics
52
Troubleshooting
54
The Motor Does Not Run
54
Troubleshooting by Trip Lamp
56
Inverter Trips on Overcurrent
56
Overvoltage Trip Functions
56
Inverter Trips on Undervoltage
57
When Ordering Parts
59

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