1-1
Chapter 1 BEFORE USING THE INVERTER
1.1 Acceptance Inspection
Unpack the package and check the following:
(1) An inverter and instruction manual (this book) are contained in the package.
• The inverter is not equipped with a keypad when it is shipped. Mount a separately ordered keypad on the
inverter. This manual describes the inverter with a remote keypad. For inverters with a multi-function keypad,
read the Multi-function Keypad Instruction Manual in conjunction with this manual.
• Inverters with a capacity of 55 kW in LD mode and inverters with 75 kW or above require a DC reactor
(DCR) to be connected. Be sure to connect a separately ordered DCR to those inverters.
(2) The inverter has not been damaged during transportation—there should be no dents or parts missing.
(3) The inverter is the type you ordered. You can check the type and specifications on the main nameplate. (Main and sub
nameplates are attached to the inverter and are located as shown on the next page.) For inverters with a capacity of 30 kW
or above, the mass is printed on the main nameplate.
(a) Main Nameplate (b) Sub Nameplate
Figure 1.1 Nameplates
TYPE: Type of inverter
In tables given in this manual, inverter types are denoted as "FRN_ _ _G1
-2/4." The boxes
and replace
alphabetic letters depending on the enclosure and shipping destination, respectively.
The FRENIC-MEGA is available in two or three drive modes depending upon the inverter capacity: High Duty (HD) and
Low Duty (LD) modes or High Duty (HD), Medium Duty (MD) and Low Duty (LD) modes. One of these modes should be
selected to match the load property of your system. Specifications in each mode are printed on the main nameplate. For
details, see Chapter 8 "SPECIFICATIONS."
High Duty: HD mode designed for heavy duty load applications. Overload capability: 150% for 1 min, 200% for 3 s.
Continuous ratings = Inverter ratings
Medium Duty: MD mode designed for medium duty load applications. Overload capability: 150% for 1 min. Continuous
ratings = One rank higher capacity of inverters
Low Duty: LD mode designed for light duty load applications. Overload capability: 120% for 1 min. Continuous ratings
= One rank or two ranks higher capacity of inverters
SOURCE: Number of input phases (three-phase: 3PH), input voltage, input frequency, input current (each for HD, MD
and LD modes)
OUTPUT: Number of output phases, rated output voltage, output frequency range,
rated output capacity, rated output current, overload capability (each for HD, MD and LD modes)
SCCR: Short-circuit capacity
MASS: Mass of the inverter in kilogram (30 kW or above)
SER. No.: Product number
8 1 A 1 2 3 A 0 0 0 1 Z
Serial number of production lot
Production month
1 to 9: January to September
X, Y, or Z: October, November, or December
Production year: Last digit of year
If you suspect the product is not working properly or if you have any questions about your product, contact your Fuji Electric
representative.
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