Instruction Book
99 9829 2115 69
Second dewpoint read-out
As an option, and in combination with the dewpoint meter option, the dryer can be equipped
with a second pressure dewpoint read-out. This module allows the customer to have the
measured pressure dewpoint value available as a 4-20 mA signal.
8.2 Sonic Nozzle
Excessively high air velocity (e.g. due to low inlet pressure) may cause the desiccant to "float"
in the vessels. The desiccant beads scrape against each other, creating additional dust.
High-speed flow occurs when a compressor starts against an empty air net or when working
at a discharge air pressure that is too low. A high volume of compressed air output can result
in a pressure drop, which in turn increases the speed.
Therefore, it is recommended to protect the drying medium against excessive volumetric flow
through the desiccant by installing a sonic nozzle.
Refer to the instruction delivered with the sonic nozzle to install and adjust.
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