223553 / 9160625310
2018-05-24·BA00·III·en·04
Transport and Storage
13
Transmitter power supply
N-132...IL
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d) Forced ventilation in open cabinets
• Function: One or more fans generate an airflow that travels from the bottom cabinet
opening, past the devices and through and out of the top cabinet opening.
• Calculation of the required airflow:
e) Air conditioning
• Application: If the indoor climate is hot, a cabinet temperature less than or equal to the
ambient temperature can be achieved.
• Function: Use of a specific cooling unit system or the existing climate system for
cabinet cooling.
7
Transport and Storage
• Transport and store the device only in the original packaging.
• Store the device in a dry place (no condensation) and vibration-free.
• Do not drop the device.
8
Mounting and Installation
When installed in a corresponding suitable field enclosure, the device is permitted for use
in hazardous areas in Zone 2 and Zone 22 or in safe areas.
Q = (3.1 * P
70%
) /
D
t
Q [m
3
/h]
Required airflow
P
70%
[W]
Generated power dissipation (70 % of the max. power dissipation)
D
t [°C]
Permissible temperature rise in the cabinet
DANGER
Explosion hazard due to installation without field enclosure!
Non-compliance results in severe or fatal injuries!
• When used in Zone 2 or Zone 22, the device is to be installed in a
protective enclosure or in a cabinet that offers a suitable degree of
protection in accordance with IEC/EN 60079-15 or
IEC/EN 61241-1.
• An enclosure with at least an IP54 protection rating is required for
use in Zone 2 and in safe areas.
• An enclosure with at least an IP64 protection rating is required for
use in Zone 22.
