Mitsubishi Electric Freqrol Z024-UL User manual

MITSUBISHI
VVVF TRANSISTOR INVERTER
- INSTRUCTION MANUAL -
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MlTSUBlSHl
A ELECTRIC
.- .

Introduction
Thank you for your purchase of MiBubishiMicro-Inverter FREQROL-2024-UL.
Before operating the inverter, read this manual carefully. Please deliver this instruction manual to the
actual
user of the inverter.

CONTENTS
Instructions
h
1 . Precautions ...................................................................................................... 1
2 . Block Diagram and Description ...................................................................... 7
3 . Preparation beforeOperation ......................................................................... 11
4 . Apparatus and Components to be Prepared beforeOperation .................... 13
5
. Installation ....................................................................................................... 15
6 . Wiring ............................................................................................................... 17
7 . Pre-OperationSettings ................................................................................... 26
8 . Operation ......................................................................................................... 30
9 . Using the Parameter Unit ............................................................................... 38
10 . Parameter Unit Installation ............................................................................. 40
11 . Outline of Parameter Unit Functions .............................................................. 42
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12 . Operation ......................................................................................................... 43
Selecting operation mode
............................................................................... 43
Operating the motor with the parameter unit
................................................. 46
Settings
of control variables (Parameters) .................................................... 51
Monitor ............................................................................................................. 55
Frequency metercalibration ........................................................................... 64
Adjusting bias and gain for frequency reference signal
................................ 66
Cautions for PU operation .............................................................................. 69
13
. Details of Each Parameter .............................................................................. 72
14. Maintenance and Inspection ........................................................................... 102
15 . Troubleshooting .............................................................................................. 109
16 . Specifications ................................................................................................ 113
17 . DIMENSIONS .................................................................................................. 127
18 . Selection of Peripheral Devices ..................................................................... 133
I

Handling Instructions
I
BUR .
Improper use and operation may cause malfunctionof the inverter or considerable reductionin service
life. In an extreme case, the inverter might be damaged. Handle the unit correctly, following
-'
descriptions and notes in each section of this manual.
P.113
PowerSupplySpeclflcatlon
Use the inverterwithin its allowablepower supply range.
Power supply
~ ~~
Instructlons I Refer to: I
Fuses
Circuit
Breaker
Magnetic
contactor
(MC)
I I I
Power factor
improving
AC reactor
(FR-BAL)
Ill
lnstallatlon of Reactor
For power factor improvement, or when installing the
wiring distanceof
10 m or shorter, use of a reactor is
recommended.Choosea reactor according to the inverter
model and size.
Ill