DDZ40(10)(20)-YY/HS/HD
www.dallmeier.com
37
7.3
Weather-proof Variant
Note that
•
the built-in heater/fan of the weather-proof housing must be separately supplied with an
additional power supply unit (24 V AC, max. 3 A).
•
the built-in heater/fan is only activated at a temperature of +5 °C or below.
•
the delivered silica gel packets must be placed behind the heater ring to avoid moisture
and condensation damage.
WARNING
Electrical surge
Danger of death or serious injury
To ensure personnel safety and to avoid damage to the device by electri-
cal surge, it is absolutely required to ground the weather-proof housing.
Cable harness
Grounding connection
Grounding cable
Grounding cable
Fig. 7-20