Chapter 7: Troubleshooting

Problem

Possible cause

Corrective action

 

Dirty filter.

Clean or replace filter.

 

Desiccant beds are

 

 

contaminated by material or

Replace desiccant.

Little or no air coming from

plasticizer leaking into the

 

system.

 

the process delivery tube.

 

Blower overload has tripped.

Fix the problem and reset the

 

 

overload.

 

 

 

Blower fins filled with dust or

Remove blower side plate,

 

contaminants.

clean baffles, replace.

 

 

Stop the dryer.

 

 

If the dryer was connected to

 

 

the drying hopper, check to

 

 

see if the desiccant and

Suction in delivery tube,

Phase is reversed on power

process air heater has been

pressure from the return

contaminated with resin.

drop coming into the dryer.

tube.

 

 

If so, replace the desiccant

 

 

 

 

and remove any resin carry-

 

 

over. Otherwise, change the

 

 

phase of two legs of the

 

 

three-phase power drop.

 

Process heaters are faulty.

Check for open heaters.

 

Replace if required.

 

 

 

Solid-state temperature

Replace.

Loss or reduction of process

controller faulty.

 

 

Make sure that plant

air temperature.

 

Process temperature was

personnel are aware of the

 

 

adjusted in error by plant

proper temperature set point.

 

personnel.

A sign posted next to the

 

 

controller is helpful.

 

Process heaters are faulty.

Replace.

 

Desiccant beds are

Replace desiccant.

 

contaminated.

 

 

 

 

Drying systems are designed

Loss or reduction in drying

Material being dried differs

for the material which was

originally specified. Different

from material specified at the

capacity.

materials may need a longer

time of purchase.

 

residence time or different

 

 

 

 

drying temperature.

 

Break in flex hose to/from

Inspect for air leaks; replace

 

if necessary.

 

drying hopper.

 

 

 

 

 

 

 

 

Cabinet Series Dehumidifying Dryer

48

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Sterling SDA 150-380, 90-225 CFM Troubleshooting, Problem Possible cause Corrective action, Stop the dryer
Page 48 Page 50

SDA 150-380, 90-225 CFM specifications

The Sterling 90-225 CFM and SDA 150-380 series represent cutting-edge advancements in air compressor technology, designed for a wide range of industrial applications. Known for their reliability, efficiency, and superior performance, these units are essential tools for professionals seeking high-quality compressed air solutions.

One of the standout features of the Sterling 90-225 CFM series is its impressive flow rate. With a capacity range of 90 to 225 cubic feet per minute, these compressors offer ample airflow to power pneumatic tools and equipment while maintaining optimal pressure levels. The durability of the components used in the construction of this series ensures that it can withstand the rigors of heavy-duty operations while minimizing downtime.

The SDA 150-380 series further enhances this approach with its higher capacity range, accommodating between 150 to 380 CFM. This variant is particularly suitable for larger facilities and demanding applications where sustained airflow is essential. Both series are designed to adapt to various pressure requirements, making them versatile solutions for different industries, including manufacturing, construction, and automotive sectors.

A key technology featured in both series is the use of energy-efficient motors, which significantly reduce operational costs. These motors are designed to deliver high torque at low speeds, ensuring smooth operation and less wear on the compressor. Furthermore, the incorporation of advanced control systems allows for real-time monitoring and adjustments to optimize performance, ensuring that the compressors operate within desired parameters continuously.

Noise reduction is another critical aspect of both the Sterling and SDA series. Innovatively engineered with sound-attenuating materials, these compressors operate at lower decibel levels, providing a more pleasant working environment. This focus on user comfort doesn’t sacrifice performance, as the units are built to achieve maximum efficiency even at reduced noise levels.

The ease of maintenance is another important characteristic. Both models are equipped with user-friendly access points for essential components, simplifying routine checks and servicing procedures. This results in less downtime and improved reliability across the operational lifespan of the compressors.

In conclusion, the Sterling 90-225 CFM and SDA 150-380 series compressors set a benchmark in the industry, offering a blend of performance, efficiency, and user-friendly features that cater to various industrial needs. Their robust construction, advanced technology, and focus on user comfort make them ideal choices for businesses seeking to enhance productivity and reduce operational costs.
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