1000 m (3281 ft) above MSL the capacity must be reduced by 1.5 % per 100 m
(328 ft).
The maximum site altitude is 2000 m (6562 ft) above MSL.
▶ The device must be protected against harmful gas, oil vapor and salty air at the
place of installation.
▶ The ambient air must not contain aggressive, grinding, electrically conductive or
flammable substances as well as any amount of dust.
▶ The maximum relative humidity during operation is 85% (no condensation).
▶ The admissible ambient temperature during operation is +5 °C to +40 °C (+41 °F
to +104 °F). Extreme and sudden changes of the temperature should be
prevented.
─ Ensure power derating for devices used under ambient temperatures over
+40 °C (+104 °F) (see technical data). The following applies:-1.5 % per
1 °C.Note: F=C×9/5+32; C=(F-32)×5/9
─ Devices with polyester film at the front panel: The polyester films must not be
exposed to direct sunlight for extended periods of time. In conditions of high
humidity (>80 %) the ambient temperature must not exceed +40 °C (+104 °F).
The polyester films must not come in contact with benzyl alcohol or methylene
chloride.
▶ Make sure that the aeration elements are free and open, so that the air circulation
is not restricted.
3.7 Electrical Connection
DANGER
Risk of serious injuries due to touch voltages
After electric devices have been switched off touch voltages may occur depending
on the device up to 4 minutes. Longer construction-related discharge times are
possible. Refer to the product documentation of your device.
All work at and within the units must only be carried out, when the units are turned
off, the mains supply is cut and the DC bus is completely discharged.
Never touch energized parts after a device has been switched. off.
Consider the applicable VDE regulations and accident prevention regulations (e.g.
VBG 1 and VBG 4).
DANGER
Risk of serious injuries due to improper connection to earth
Incorrect or insufficient connection of the system to earth may cause dangerous
currents.
Connection to earth must be realized according to the instructions in the product
documentation of your device.
The electrical installation must be carried out according to the relevant electrical codes
(e.g. appropriate wire gauges, fuse protection and connections of ground conductors
must be considered).
W
Safety Instructions
Drive Amplifier SD2B / SD2B plus - Hardware Description 17
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