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Revision C
Page
9
of
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The APD-D series dehydrators are fully
automatic when energized. The system
pressure is monitored in real-time during
standby operation. When the system
pressure is at or below the lower
operational pressure, then the unit will
activate and re-pressurize the system with
dry air. The unit will return to standby
operation when the upper operational
pressure is reached.
A dehydrator duty cycle of less than 5% is
recommended.
Maximum
continuous
active operation must not exceed 4 hours.
Any leaks in the distribution system
should be small enough to ensure that
active operation does not occur more
often than once every 48 hours (2 days).
4.2
Detailed
Operation:
Figure 4.2 – System Diagram