Hitachi Sj7002 Owners Manual

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Contact Information
NOTE: To receive technical support for the Hitachi  inverter you purchased, contact the Hitachi 
inverter dealer from whom you purchased the unit, or the sales office or factory contact listed 
above. Please be prepared to provide the  following inverter nameplate information:
1. Model
2. Date of purchase
3. Manufacturing number (MFG No.)
4. Symptoms of any inverter problem
If any inverter nameplate informat ion is illegible, please provide your Hitachi contact with any 
other...

Getting Started
In This Chapter....page
— Introduction.......................................................................................   2
— Inverter Specifications.......................................................................   6
— Introduction to Variable-Frequency Drives......................................   14
— Frequently Asked Questions...........................................................   18
1

Phone: 800.894.0412 - Fax: 888.723.4773 - Web: www.clrwtr.com - Email:...

Introduction
Geting Started
1–2
Introduction
Main FeaturesCongratulations on your purchase of an SJ7002 
Series Hitachi inverter! This inverter drive features 
state-of-the-art circuitry and components to provide 
high performance. The housing footprint is excep-
tionally small, given the size of the corresponding 
motor. The Hitachi SJ700
2 product line includes 
more than twenty inverter models to cover motor 
sizes from 1/2 horsepower to 500 horsepower, in 
either 230 VAC or 480 VAC power input...

SJ7002 Inverter
Getting Started
1–3
Digital Operator 
Interface
ComponentsThe SJ7002 Series inverters have a detachable keypad (called a digital operator) on the front 
panel of the housing. The particular keypad that  comes with the inverter depends on the country 
or continent corresponding to the particular  model number. The standard digital operators 
occupy just part of the keypad recess in the panel. Therefore, the inverter comes with a snap-in 
panel filler plate that mount s below the keypad as...

Introduction
Geting Started
1–4
Removable 
ComponentsThe SJ7002 Series inverters are designed for long life and ease of service. Several components 
are removable as shown below,  aiding installation or parts replacement. Details on how and 
when to remove these parts are in the referenced chapters.
Fan  Un it
(See Chapter 6 for servicing)
Control Signal Terminal Block(See Chapter 4 for wiring)
Cable entry/exit plate
(See Chapter 2 for instructions)
Capacitor Bank for DC Link
(See Chapter 6 for...

SJ7002 Inverter
Getting Started
1–5
Specifications 
Label and Agency 
ApprovalsThe Hitachi SJ7002 inverters have product specifications labels located on the front and the 
right side of the housing, as shown below. The dire ctor reactor filters also have a product label. 
Be sure to verify that the specifications on  the labels match your power source, motor, and 
application safety requirements.
Model Number 
ConventionThe model number for a specific inverter contains useful  information about its...

Inverter Specifications
Geting Started
1–6
Inverter Specifications
Tables for 200V 
class invertersNote that “General Specifications” on page 1–10 covers all SJ7002 inverters, followed by 
footnotes for all specifications tables . The 200V models from –004 to –220LFU2 
(0.5 to 30 HP) include internal dynamic braking units (see  “
Dynamic Braking” on page 5–6) .        
Item200V Class Specifications
SJ7002, 200V models, U.S. version 004LFUF2 007LFUF2 015LFUF2 022LFUF2 037LFUF2
Applicable motor size,...

SJ7002 Inverter
Getting Started
1–7
Tables for 400V 
class invertersNote that “General Specifications” on page 1–10 covers all SJ7002 inverters, followed by 
footnotes for all specificat ions tables. The 400V models from –007 to –220HFU2 
(7.5 to 30 HP) include internal  dynamic braking units (see “
Dynamic Braking” on page 5–6) .         
Item200V Class Specifications, continued
SJ7002, 200V models, U.S. version 300LFU2 370LFU2 450LFU2 550LFU2
Applicable motor size  *2 HP 40506075
kW 30 374555
Rated...

Inverter Specifications
Geting Started
1–8
Item400V Class Specifications
SJ7002 inverters, 
400V models U.S. version 075HFUF2 110HF
UF2 150HFUF2 185HFU2 220HFU2
European ver. 075HFEF2 110HFEF2 150HFEF2 185HFE2 220HFE2
Applicable motor size  *2 HP 10 15 20 25 30
kW 7.5 11 15 18.5 22
Rated capacity, kVA, 400 / 480V 11 / 13.3 15.9/19.1 22.1 / 26.6 26.3 / 31.5 33.2 / 39.9
Rated input voltage 3-phase (3-wire) 380 to 480V +10/-15%, 50/60 Hz ±5%
Rated input current (A) 18 25 35 42 53
Rated output voltage  *3...

SJ7002 Inverter
Getting Started
1–9
The 400V models from –1850 to –4000HFU2/HFE2 (250 to 525 HP) include a DC reactor and 
ferrite core.
Footnotes for the preceding tables and the table that follows:
Note 1: The protection method conforms to JEM 1030.
Note 2: The applicable motor refers to Hitachi standard 3-phase motor (4-pole). When using 
other motors, care must be taken to prev ent the rated motor current (50/60 Hz) from 
exceeding the rated output current of the inverter.
Note 3: The output voltage...