Connection Warnings; Operation - INFOSEC M5T Manuel Utilisateur

1-4. Connection warnings

•
There is no standard backfeed protection inside, please isolate the UPS before working according to
this circuit. The isolation device must be able to carry the UPS input current.
•
This UPS should be connected with
•
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 single or three phase input).
•
The power supply for this unit must be three-phase rated in accordance with the equipment nameplate.
It also must be suitably grounded.
•
Use of this equipment in life support applications where failure of this equipment can reasonably be
expected to cause the failure of the life support equipment or to significantly affect its
safety or effectiveness is not recommended. Do not use this equipment in the presence of
a flammable anesthetic mixture with air, oxygen or nitrous oxide.
•
Connect your UPS power module's grounding terminal to a grounding electrode conductor.
•
This is a product for commercial and industrial application in the second environment –installation
restriction or additional measures may be needed to prevent disturbances.
• Warning labels should be placed on all primary power switches installed in places away from the device
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:

1-5. Operation

•
Never disconnect the ground conductor cable as this would cancel the protective ground of the UPS
system and to all connected loads.
•
The UPS system features its own, internal current supply (batteries). The UPS output sockets may be
electrically live even if the UPS system is not connected to the mains.
•
In order to fully disconnect the UPS system, first press the "OFF" button and then disconnect the
mains.
INFOSEC UPS SYSTEM – 15, rue du Moulin – 44880 Sautron, France – www.infosec-ups.com
77
Hotline : +33 (0)2 40 76 15 82 – Fax : +33(0)2 40 94 29 51 – hotline@infosec.fr – 02 22 AA 59 203 08
TN
grounding/earthing system.