Specifications
INVERTER INSTALLATION AND PRECAUTIONS
3
1 INVERTER INSTALLATION AND PRECAUTIONS
Inverter model
Specification differs by the type as follows.
ÒÑÌÛ
! Hereinafter, the inverter model name consists of the rated current and the applicable motor capacity. (Example) FR-A820-00046(0.4K)
Inverter placement
Installation environment
Before installation, confirm that the following environment conditions are met.
Temperature applicable for a short time, e.g. in transit.
For the installation at an altitude above 1,000 m (3280.80 feet) up to 2,500 m (8202 feet), derate the rated current 3% per 500 m (1640.40 feet).
Surrounding Air Temperature is a temperature measured at a measurement position in an enclosure.
Ambient Temperature is a temperature outside an enclosure.
Type Motor output
Initial setting
Built-in
EMC filter
Control logic
Rated
frequency
Pr.19 Base frequency voltage
FM
(terminal FM equipped model)
Terminal FM: pulse train output
Terminal AM: analog voltage output (0 to 10VDC)
OFFSink logic60Hz
9999
(same as the power supply voltage)
CA
(terminal CA equipped model)
Terminal CA: analog current output (0 to 20mADC)
Terminal AM: analog voltage output (0 to 10VDC)
ONSource logic50Hz
8888
(95% of the power supply voltage)
Installation on the enclosure ! Install the inverter on a strong surface securely with screws.
! Leave enough clearances and take cooling measures.
! Avoid places where the inverter is subjected to direct sunlight, high temperature and high humidity.
! Install the inverter on a nonflammable wall surface.
! When encasing multiple inverters, install them in parallel as a cooling measure.
For the FR-A820-00250(3.7K) or lower and FR-A840-00126(3.7K) or lower, allow 1 cm (0.39 inches) or more clearance.
When using the FR-A820-01250(22K) or lower and FR-A840-00620(22K) or lower at the surrounding air temperature of
40°C (104°F) or less (30°C (86°F) or less for the SLD rated inverter), side-by-side installation (0 cm clearance) is
available.
For replacing the cooling fan of the FR-A840-04320(160K) or higher, 30cm of space is necessary in front of the inverter.
Refer to the Instruction Manual (Detailed) for fan replacement.
Item Description
Surrounding air
temperature
LD, ND (initial setting), HD-10 to +50°C (non-freezing) Enclosure
SLD-10 to +40°C (non-freezing)
Ambient humidity
With circuit board coating: 95% RH or less (non-condensing),
Without circuit board coating: 90% RH or less (non-condensing)
Storage temperature-20 to +65°C
Atmosphere Indoors (free from corrosive gas, flammable gas, oil mist, dust and dirt)
Altitude Maximum 2,500 m above sea level.
Vibration
5.9m/s
2
or less at 10 to 55Hz (directions of X, Y, Z axes)
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