Mounting
5
5.1 Safety notices for installation
Safety notices
When installing the device, keep to the safety notices listed below.
WARNING
If a device is operated in an ambient temperature of more than 50 °C, the temperature of the
device housing may be higher than 70 °C. The device must therefore be installed so that it is
only accessible to service personnel or users that are aware of the reason for restricted access
and the required safety measures at an ambient temperature higher than 50 °C.
WARNING
If the device is installed in a cabinet, the inner temperature of the cabinet corresponds to the
ambient temperature of the device.
Safety notices on use in hazardous areas
General safety notices relating to protection against explosion
WARNING
EXPLOSION HAZARD
Replacing components may impair suitability for Class 1, Division 2 or Zone 2.
WARNING
Substitution of components may impair suitability of the equipment.
5.2 Safety information according to FM and UL
Safety information for use according to FM and UL
If you use the device under FM conditions you must also keep to the following safety notices in
addition to the general safety notices for protection against explosion:
SIWAREX WP321
Operating Instructions, 08/2019, A5E33715669A-AD 21
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