[4.C2] Electric Safety Measurements And „First Measured Values; [4.C3] Potential Equalization - h/p/cosmos 150/50 locomotion de med Operating Instructions And Service Manual

Electric safety measurements and „First Measured Values"
[4.C2]
Immediately at first installation at the customer's site an electric safety test
and measurement has to be performed for „Protective Earth Resistance",
„Isolation Resistance" and „Leakage Current" and the values have to be
recorded on a special protocol [cos11690xx] and marked with „first
measured values". For details please refer to the chapter „maintenance /
inspections" in this manual. One copy of this protocol [cos11690xx]
remains at the owner's manual and the original of the protocol with the
„first measured values" shall be sent to the manufacturer h/p/cosmos.
Picture: Example for electric safety testing device based on IEC 601-1
Potential equalization
[4.C3]
The potential equalization cable [cos10223] must be connected with the
connector on the device plug and with the potential-compensation-
bearing within the medically used room. During installation, connecting or
disconnecting the potential equalization, the device (running machine)
must not be connected to the power supply. Protection against electric
shock has to be provided in the finished product/device.
N
When used in the medical field, all devices within the system have to be connected via a
potential-compensation-cable in „star-connection" with the potential-compensation-
bearing within the medically used room.
N
First connect the potential compensation (potential equalization) with the corresponding
plug pin (next to the main switch at the front) and then connect the mains plug.
N
During electric safety measurements and test (leakage currents, etc.) the potential
equalization cable has to be disconnected temporarily.
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installation & commissioning
created 01.09.2008 printed 08.10.2008 page: 28 of 176