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APPENDIX
A.1.2 Low Voltage Directive
We have self-confirmed our inverters as products compliant to the Low Voltage Directive (conforming standard EN 61800-5-1) and
place the CE mark on the inverters.
Outline of instructions
O Do not use an earth leakage current breaker as an electric shock protector without connecting the equipment to the earth.
Connect the equipment to the earth securely.
O Wire the earth terminal independently. (Do not connect two or more cables to one terminal.)
O Use the cable sizes on page 15 under the following conditions.
– Surrounding air temperature: 40 °C maximum
If conditions are different from above, select appropriate wire according to EN60204.
O Use a tinned (plating should not include zinc) crimping terminal to connect the earth cable. When tightening the screw, be
careful not to damage the threads.
For use as a product compliant with the Low Voltage Directive, use PVC cable whose size is indicated on page 15.
O Use the moulded case circuit breaker and magnetic contactor which conform to the EN or IEC Standard.
O This product can cause a DC current in the protective earthing conductor. Where a residual current-operated protective (RCD)
or monitoring (RCM) device is used for protection in case of direct or indirect contact, only an RCD or RCM of Type B is allowed
on the supply side of this product.
O Use the inverter under the conditions of overvoltage category II (usable regardless of the earth condition of the power supply),
overvoltage category III (usable with the earthed-neutral system power supply, 400 V class only) and pollution degree 2 or lower
specified in IEC60664. An insulating transformer needs to be installed in the input side of the FR-A820 series inverters.
– To use the inverter FR-A820-01540(30K)-R2R or higher, the FR-A840-00770(30K)-R2R or higher (IP00) and the FR-A842-R2R
models under the conditions of pollution degree 2, install it in the enclosure of IP2X or higher.
– To use the inverter under the conditions of pollution degree 3, install it in the enclosure of IP54 or higher.
– To use the inverter FR-A820-01250(22K)-R2R or less and FR-A840-00620(22K)-R2R or less (IP20) outside of an enclosure in the
environment of pollution degree 2, fix a fan cover with fan cover fixing screws enclosed.
FR-A820-00105(1.5K)-R2R to 00250(3.7K)-R2R
FR-A840-00083(2.2K)-R2R, 00126(3.7K)-R2R
O On the input and output of the inverter (and the converter unit), use cables of the type and size set forth in EN 60204.
O The operating capacity of the relay outputs (terminal symbols A1, B1, C1, A2, B2, C2) should be 30 V DC, 0.3 A. (Relay outputs are
basically isolated from the inverter internal circuit (and the converter unit).)
O Control circuit terminals on page 5 are safely isolated from the main circuit.
O Environment (for details, refer to page 3)
Surrounding air
temperature
Ambient humidity
Maximum altitude
*1
For the installation at an altitude above 1000 m, consider a 3 % reduction in the rated current per 500 m increase in altitude.
56
Fan cover
fixing screw
Fan cover
Fan
During operation
LD, SND, ND (initial setting), HD: –10 to +50 °C
SLD: –10 to +40 °C
95% RH or less
*1
2500 m
Fan cover
fixing screws
Fan cover
Fan
FR-A820-00340(5.5K)-R2R to 00250(22K)-R2R
FR-A840-00170(5.5K)-R2R to 00620(22K)-R2R
In storage
–20 to +65°C
95% RH or less
2500 m
During transportation
–20 to +65°C
95% RH or less
10000 m
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