Operation Notes - Sirona ORTHOPHOS SL 2D Installation Manual

12 Startup, measurements and tests (for USA/Canada only)
12.2 Operation notes
Nominal line voltage
Cooling period
Measurements
178
12.2

Operation notes

The unit operates in the following nominal line voltage ranges:
● 200 – 240 V
● 50/60Hz
The permissible line voltage fluctuation is ±10%.
The internal line impedance must not exceed 0.8 Ω.
Only permanent electrical connection of the unit is allowed.
IMPORTANT
The regulation "Federal Performance Standard for Diagnostic X-ray
Units, Code of Federal Regulations, Title 21 CFR, Subchapter J"
requires a corresponding power supply connection.
The cooling period between two exposures is maintained by an automatic
exposure blocking function according to the pulse/pause ratio (see
Operating Instructions). The decrementing waiting time count is displayed
on the control panel.
Always switch the unit off before connecting a measuring instrument.
For safety reasons, the power supply should be switched off at the
junction box of the building installation when performing measurements
in the vicinity of the power supply unit.
Select the correct current/voltage type and adjust the measuring range to
match the expected readings.
Perform continuity tests only on units which are switched off.
If several exposures with radiation must be taken to check a
measurement, make sure that the prescribed cool-down intervals are
observed. They are maintained by an automatic exposure blocking
function (see Operating Instructions).
The pulse/pause ratio is 1:20, i.e. a 20-second pause is maintained for
each second of radiation cycle. The pulse/pause ratio is automatically
maintained (automatic exposure blocking).
It is essential that you observe the radiation protection regulations
applicable in your country prior to radiation release.
Sirona Dental Systems GmbH
Installation Manual ORTHOPHOS SL
64 95 142 D3632
D3632.031.01.02.02 03.2016