Sterling 882.00249.00 User Manual
2–Pump 12-Station Controllers
Chapter 2: Functional Description
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Chapter 2: Functional Description
2-1 Models Covered in This Manual
This manual provides operation, installation, and maintenance instructions for 2-Pump, 12-
Station Conveying Controllers. Model numbers are listed on the serial tag. Make sure you
know the model and serial number of your equipment before contacting the manufacturer for
parts or service.
Station Conveying Controllers. Model numbers are listed on the serial tag. Make sure you
know the model and serial number of your equipment before contacting the manufacturer for
parts or service.
The 2-Pump, 12-Station Conveying Controller is a programmable logic controller, with 24
VDC or 115 VAC control circuit, easy-to-use 16-key operator interface keypad and optional
audible/visual alarm.
VDC or 115 VAC control circuit, easy-to-use 16-key operator interface keypad and optional
audible/visual alarm.
2-2 General
Description
Our systems create vacuum for the automatic pneumatic conveying of most free-flowing, dry,
pelletized, or granular materials in a central material handling system. Material
characteristics determine the type of equipment needed to convey the material.
pelletized, or granular materials in a central material handling system. Material
characteristics determine the type of equipment needed to convey the material.
A typical use for our equipment is an in-plant distribution system for plastic processing
plants.
plants.
Our central vacuum systems are as varied as the applications they service. The tubing and
equipment furnished in our system is designed to convey the material(s) specified at the time
of purchase at specific rates and distances.
equipment furnished in our system is designed to convey the material(s) specified at the time
of purchase at specific rates and distances.
We can advise you on your system capabilities based on system makeup, distance, material,
and conveying rates you want.
and conveying rates you want.
System capacity is directly affected by the pressure drop in the overall system, such as
number of material line bends, pipe length, Y-tubes, T-tubes, etc.
number of material line bends, pipe length, Y-tubes, T-tubes, etc.
Note: Vacuum leaks occuring anywhere in your system reduce capacity.
Use the minimum effective amount of vinyl flex hose to maximize material line efficiency.
Keep material lines as straight as possible. Refer to the Mechanical Components Product
manual (Part No. A0536580) for installation recommendations.
Keep material lines as straight as possible. Refer to the Mechanical Components Product
manual (Part No. A0536580) for installation recommendations.