Operating manual uni-cart, vexio-cart, pro-cart, duo-cart, compact-cart, classic-cart and endo-cart 09/2019
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3.3 Gases
Electrical equipment should not be operated in the vicinity of gases, e.g. flammable gas used in
anaesthesia or similar gases. The user is responsible for maintaining this requirement and for
compliance with IEC 60601-1-2 standard.
3.4
Equipotential bonding (POAG)
Equipotential bonding should be carried out for the uni-cart, pro-cart, classic-cart, compact-cart
or endo-cart carrier system with an isolating transformer. vexio-cart offers an optional POAG set
without isolating transformer. The equipotential bonding cable should be first connected to the base
of the uni-cart, vexio-cart, pro-cart, classic-cart, compact-cart or endo-cart carrier system and then
be connected to the equipotential bonding plug in the room. Next, connect the POAG supply cables
to the POAG pins of the multiple sockets and the appliance.
3.5
Isolating transformer – leakage current
The uni-cart, vexio-cart, pro-cart, duo-cart, compact-cart, classic-cart or endo-cart carrier
system is intended to provide a practical and mobile workstation for medical electrical equipment.
Total earth leakage currents must not exceed a maximum value of 0.5 mA so that the entire medical
electrical system can be compliant with IEC 60601-1. If the sum of the ground leakage currents
would exceed the tolerance range, the system must be supplied through a safety transformer.
If an isolating transformer is not mounted, the multiple socket strip / auxiliary socket strip system of
the uni-cart, pro-cart, duo-cart, compact-cart, classic-cart or endo-cart carrier system must not be
used to connect up equipment that is not in conformity with requirements for earth leakage currents
under IEC 60601-1.
If an isolating transformer is mounted, the total power uptake of all the connected units must
remain within the rated value for the isolating transformer.
3.6 Earth-leakage-guard (ELG)
The following descriptions are only applicable for the carrier systems in which the item
“isolating transformer with insulating monitor” is installed.
3.6.1 Control panel of the earth-leckage-guard (ELG)
At the devices with integrated-earth-leakage guard the evaluation unit is in the transformer
case, the separate control panel is placed in one of the shelves. Both components are connected
with an interface cord, which lays in one of the profiles.
ELECTRICAL SAFETY
EN
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