63 03 452 D3352
76
D3352
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031.05.08
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02 10.2015
9 Safety checks
Sirona Dental Systems GmbH
9.1 Checking the protective ground wires
Installation Manual ORTHOPHOS XG 3D / Ceph
9
Safety checks
9.1
Checking the protective ground wires
General - Ground wire test
1. Switch the line voltage off at the main switch of the building
installation.
2. Disconnect the power cable and the second protective ground wire
from the building installation.
3. Remove the "bottom profile", "front tube assembly", and "rear tube
assembly" covers.
Measuring setup - Ground wire test
Measuring setup for protective ground wire test
DANGER
Perilous shock hazard!
It is essential to switch the unit off and to wait at least one more 1 minute
before beginning the check!
A
Ammeter
B
Power source
C
Measuring point A, central protective ground wire
D
Voltmeter
E
Measuring points B - E
A
B
C
D
E
A
C
A
B
쓓
V
D
E
Содержание Orthophos XG 3D/Ceph
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