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2-4 Options
Options marked with “*” indicate options that can be factory installed or retrofitted in the
field.
• * Process temperature up to 400ºF (204º C) or below 180ºF (82ºC), including
aftercooler with dryer and silicone insulated delivery hose.
Note: For below 180°F (82ºC), cooler needs to cool the
air coming out of the desiccant tank prior to entering the
process heater box.
• * If the dryer is a central dry air generator, it will not have a process heater box.
• * Plasticizer trap (with cooling coil) in lieu of standard aftercooler (mounts outside on
back of dryer).
• * Drawer magnet, stainless steel construction. (for drying hopper)
• * Casters, two (2) fixed and two (2) swivels.
• * Machine mount adapter to accommodate a dryer and corresponding hopper.
• * Low temperature operation below 180ºF (82ºC), includes an u=internal cooler.
• * Redundant high temperature safety circuit.
• * Cart with caster with hopper mounting place.
• * Insulated air hose for air delivery.
• * Audible alarm.
• * Dew Point monitor with digital read-out.
2-5 Safety Devices and Interlocks
This section includes information on safety devices and procedures that are inherent to the
Dryer. This manual is not intended to supersede or alter safety standards established by the
user of this equipment. Instead, the material contained in this section is recommended to
supplement these procedures in order to provide a safer working environment.
At the completion of this section, the operator and maintenance personnel will be able to do
the following:
• Identify and locate specific safety devices.
• Understand the proper use of the safety devices provided.
• Describe the function of the safety device.
Safety Circuit Standards
Safety circuits used in industrial systems protect the operator and maintenance personnel
from dangerous energy. They also provide a means of locking out or isolating the energy for
servicing equipment.
Various agencies have contributed to the establishment of safety standards that apply to the
design and manufacture of automated equipment. The Occupational Safety and Health
Administration (OSHA) and the Joint Industrial council (JIC) are just a few of the
organizations that have joined with the plastics industry to develop safety standards.
Dehumidifying Dryers Chapter 2: Functional Description 12 of 53