Connection Warnings; Operation; Standards - Njoy Garun Series User Manual

1.4. Connection warnings

• There is no standard backfeed protection inside of the UPS. However,
there are relays on the Input to cut off line voltage and while the neutral is
still connect to UPS.
• This UPS should be connected with TN grounding/earthing system.
• The power input for this unit must be three-phase rated in accordance
with the equipment nameplate. It also must be suitably grounded.
WARNING
High leakage current!
Earth connection essential before connecting supply!
• Use of this equipment in medical instrument of any life-sustaining
equipment where failure of this equipment can reasonably be expected to
cause the failure of the life-sustaining equipment or to significantly affect its
safety or effectiveness is not recommended. Do not use this equipment in
the presence of a flammable mixture with air, oxygen or nitrous oxide.
• Connect grounding terminal of UPS to a grounding electrode conductor.
• In accordance with safety standard EN-IEC 62040-1, installation has to be
provided with a «Backfeed Protection» system, as for example a contactor, which
will prevent the appearance of voltage or dangerous energy in the input mains
during a mains fault (see figure 24 and respect the wiring diagram of «Backfeed
Protection» depending if the equipment is with signal or three phase input).
NOTE!
There can be no derivation in the line that goes from the «Backfeed Protection» to
the UPS, as the standard safety would be infringed.
• Warning labels should be placed on all primary power switches installed
in places away from the unit to alert the electrical maintenance personnel of
the presence of a UPS in the circuit. The label will bear the following or an
equivalent text:
6
Before working on this circuit
1. Isolate Uninterruptible Power Supply (UPS)
2. Then check for Hazardous Voltage between all terminals including the
protected earth.
Risk of Voltage Backfeed

1.5. Operation

• Do not disconnect the grounding/earthing conductor cable on the UPS or
the building wiring terminals under any circumstance.
• The UPS system features its own, internal current source (batteries). The
UPS output sockets or output terminal blocks may be electrically live even if
the UPS system is not connected to the building mains/live wires . (only for
standard models).
• In order to fully disconnect the UPS system, first press the "OFF" button
and then disconnect the mains/live wires .
• Ensure that no liquid or other foreign objects can enter into the UPS
system.
• The UPS can be operated by any individuals with no previous experience.

1.6. Standards

*Safety
IEC/EN 62040-1
*EMI
Conducted Emission...............................:IEC/EN 62040-2
Radiated Emission..................................:IEC/EN 62040-2
*EMS
ESD.........................................................:IEC/EN 61000-4-2
RS........................................................ ...:IEC/EN 61000-4-3
EFT......................................................... :IEC/EN 61000-4-4
SURGE................................................... :IEC/EN 61000-4-5
CS........................................................... :IEC/EN 61000-4-6
Power-frequency Magnetic field.............. :IEC/EN 61000-4-8
Low Frequency Signals............................:IEC/EN 61000-2-2
WARNING
This is a product for commercial and industrial application in the second
environment installation restrictions or additional measures may be
needed to prevent disturbances.
Category C3
Category C3
Level 4
Level 3
Level 4
Level 4
Level 3
Level 4
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