Troubleshooting

The following tables list causes and corrective actions for possible problems with direct fired heater units. Review these lists prior to consulting manufacturer.

Airflow Troubleshooting Chart

Problem

Potential Cause

Corrective Action

Fan Inoperative

Blown fuse or open circuit breaker

Replace fuse or reset circuit breaker

 

 

and check amps

 

Disconnect switch in “Off” position

Turn to “On” position

 

Motor wired incorrectly

Check motor wiring to wiring diagram

 

 

located on fan motor

 

Broken fan belt

Replace belt

 

Motor starter overloaded

Reset starter and check amps

 

Remote panel set to “Off” Position

Set Remote Panel to “Manual” or

 

 

“Auto” Position

Motor Overload

Fan rotating in the wrong direction

Be sure fan is rotating in the direction

 

 

shown on rotation label

 

Fan speed is too high

Reduce fan RPM

 

Motor wired incorrectly

Check motor wiring to wiring diagram

 

 

located on fan motor

 

Overload in starter set too low

Set overload to motor FLA value

 

Motor HP too low

Determine if HP is sufficient for job

 

Duct static pressure lower than design

Reduce fan RPM

Insufficient Airflow

Fan rotating in the wrong direction

Be sure fan is rotating in the direction

 

 

shown on rotation label

 

Poor outlet conditions

There should be a straight clear duct

 

 

at the outlet

 

Intake damper not fully open

Inspect damper linkage and replace

 

 

damper motor if needed

 

Duct static pressure higher than

Improve ductwork to eliminate or

 

design

reduce duct losses

 

Blower speed too low

Increase fan RPM. Do not overload

 

 

motor

 

Supply grills or registers closed

Open and adjust

 

Dirty or clogged filters

Clean and/or replace

 

Belt slippage

Adjust belt tension

Excessive Airflow

Blower speed to high

Reduce fan RPM

 

Filters not installed

Install filters

 

Duct static pressure lower than design

Reduce fan RPM

Excessive Vibration and Noise

Misaligned pulleys

Align pulleys

 

Damaged or unbalanced wheel

Replace wheel

 

Fan is operating in the unstable region

Refer to performance curve for fan

 

of the fan curve

 

 

Bearings need lubrication or

Lubricate or replace

 

replacement

 

 

Fan speed is too high

Reduce fan RPM

 

Belts too loose, worn or oily

Inspect and replace if needed

20

Page 20
Image 20
Energy Tech Laboratories Modular Direct Fired Heaters manual Airflow Troubleshooting Chart

Modular Direct Fired Heaters specifications

Energy Tech Laboratories has established itself as a leader in the development of innovative modular direct fired heaters, designed to meet the evolving demands of industries that require efficient and effective heating solutions. These heaters are engineered to offer versatility, reliability, and enhanced performance, making them suitable for a broad range of applications.

One of the standout features of Energy Tech Laboratories' modular direct fired heaters is their modular design. This allows for easy scalability and customization, enabling users to adjust the heating capacity according to specific requirements. The modular aspect also facilitates straightforward installation and maintenance, reducing downtime and operational costs.

The heaters utilize advanced combustion technology that optimizes fuel consumption while minimizing emissions. This ensures not only a cost-effective operation but also compliance with environmental regulations. By combining high thermal efficiency with a low carbon footprint, these heaters contribute to sustainable energy practices.

In addition to their efficient combustion system, Energy Tech Laboratories incorporates state-of-the-art control technologies in their heaters. These systems allow for precise temperature regulation and can be integrated with existing Building Management Systems (BMS) for enhanced monitoring and control. Users can benefit from real-time data and analytics, which help in diagnosing potential issues and optimizing performance.

Durability is another characteristic that sets these heaters apart. Constructed with high-quality materials, they are designed to withstand harsh industrial conditions, ensuring a long service life. The robust design minimizes the likelihood of breakdowns, which is critical for industries that rely on continuous operation.

Moreover, Energy Tech Laboratories emphasizes safety in the design of their modular direct fired heaters. Equipped with multiple safety features such as flame detection, gas leak detection, and emergency shutdown systems, these heaters are built to operate within stringent safety standards.

The flexibility of these heaters makes them suitable for various sectors, including oil and gas, manufacturing, and construction. Their ability to provide direct heat quickly and efficiently makes them ideal for processes that require consistent temperature control.

In conclusion, Energy Tech Laboratories' modular direct fired heaters represent an advanced solution for today’s energy needs. With their modular design, advanced combustion technologies, and focus on safety and durability, these heaters stand out as a preferred choice for industries seeking reliable and efficient heating solutions. Their commitment to innovation and sustainability positions them as a front-runner in the energy technology sector.