Sirona Heliodent plus, Руководство по установке

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62 14 972 D 3507
54 D 3507
.
031.01.07
.
02 11.2010
Starting up Sirona Dental Systems GmbH
Functional test Installation Instructions HELIODENT
PLUS
7.1.2 Protective conductor test
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Auxiliary devices required
● Power source
Technical data:
– No-load voltagemax. 6V.
– Short-circuit currentmin. 5A - max. 25A
● Ammeter
– Observe the current intensity of the power source
● Voltmeter
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Preparation
1. Switch the line voltage at the main switch of the building installation
off.
2. Remove the power cable from connector X200 on PC board DX1.
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Visual check
1. Check the assembly and firm seating of the ground conductor.
2. Check the main fuse (F200, F201).
3. Check the condition of the grounding strap.
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No damage should be evident at position (K). Slight restriction at
the position (K) of up to 20% cross-section loss is acceptable.
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Protective ground wire test
Explanation
This test checks the electrical resistance of conductive and exposed parts
of the X-ray unit against the protective wire connection.
Test assembly
See drawing.
WARNING
Potentially lethal shock hazard
Switch the line voltage off.
K