OWNER’S MANUAL

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

Burner does not light after ODS/pilot is lit

1.

Burner orifice is clogged

1.

Clean burner (see Cleaning and Mainte-

 

 

 

 

nance, page 15) or replace burner orifice

 

2.

Burner orifice diameter is too small

2.

Replace burner orifice

 

3.

Inlet gas pressure is too low

3.

Contact local natural gas company

 

 

 

 

 

Delayed ignition of burner

1.

Manifold pressure is too low

1.

Contact local natural gas company

 

2.

Burner orifice is clogged

2.

Clean burner (see Cleaning and Mainte-

 

 

 

 

nance, page 15) or replace burner orifice

 

 

 

 

 

Burner backfiring during combustion

1.

Burner orifice is clogged or damaged

1.

Clean burner (see Cleaning and Mainte-

 

 

 

 

nance, page 15) or replace burner orifice

 

2.

Burner damaged

2.

Replace burner

 

3.

Gas regulator defective

3.

Replace gas regulator

 

 

 

 

 

Yellow flame during burner combustion

1.

Not enough air

1.

Check burner for dirt and debris. If

 

 

 

 

found, clean burner (see Cleaning and

 

 

 

 

Maintenance, page 15)

 

2.

Gas regulator defective

2.

Replace gas regulator

 

 

 

 

 

Slight smoke or odor during initial operation

1.

Residues from manufacturing processes

1.

Problem will stop after a few hours of

 

 

 

 

operation

 

 

 

 

 

Heater produces a whistling noise when

1.

Turning control knob to HI position

1.

Turn control knob to LO position and

burner is lit

 

when burner is cold

 

let warm up for a minute

 

2.

Air in gas line

2.

Operate burner until air is removed from

 

 

 

 

line. Have gas line checked by local

 

 

 

 

natural gas company

 

3.

Air passageways on heater blocked

3.

Observe minimum installation clear-

 

 

 

 

ances (see Figure 10, page 8)

 

4.

Dirty or partially clogged burner orifice

4.

Clean burner (see Cleaning and Mainte-

 

 

 

 

nance, page 15) or replace burner orifice

White powder residue forming within burner box or on adjacent walls or furniture.

1.When heated, vapors from furniture pol- ish, wax, carpet cleaners, etc. turn into white powder residue.

1.Turn heater off when using furniture polish, wax, carpet cleaners, or similar products.

Continued

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Desa Tech RFN28TD installation manual Maintenance
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RFN28TD specifications

Desa Tech RFN28TD is a notable advancement in the realm of remote communication technology, specifically designed to meet the increasing demands of modern industries. This radio frequency network device is tailored to enable seamless communication across various platforms, making it indispensable for organizations looking to enhance their operational efficiency.

One of the key features of the RFN28TD is its robust dual-band functionality, which operates across both the 2.4 GHz and 5 GHz frequency bands. This dual-band capability allows the device to adapt to varying environmental conditions, providing users with a stable and reliable connection even in congested areas. The RFN28TD is equipped with advanced adaptive transmission technology, ensuring optimal performance and quality of service by dynamically selecting the best frequency for transmission.

Another significant characteristic of the RFN28TD is its long-range communication capability. With an impressive range of up to several kilometers under optimal conditions, this device is ideal for applications requiring extensive coverage, such as industrial automation, smart cities, and agricultural monitoring. The built-in high-gain antennas further enhance its reach, allowing for improved signal penetration through obstacles.

The RFN28TD is also designed with security in mind. It incorporates advanced encryption protocols, ensuring that data transmitted over the network is secure and protected from unauthorized access. This is particularly crucial for businesses handling sensitive information, as data breaches can lead to severe consequences.

In terms of ease of use, the device offers a user-friendly interface that simplifies the setup and management processes. Its plug-and-play design allows for quick installation, making it accessible even for users with minimal technical expertise. Additionally, the RFN28TD supports a wide range of connectivity options, including Ethernet and Wi-Fi, further enhancing its versatility.

Energy efficiency is another highlight of the RFN28TD, as it operates on lower power consumption compared to traditional communication devices. This not only reduces operational costs but also contributes to a greener, more sustainable approach to technology.

In conclusion, the Desa Tech RFN28TD is a powerful and versatile communication device that combines advanced features, long-range capabilities, robust security, and energy efficiency. Its adaptability to various applications makes it an essential tool for businesses and industries aiming to leverage the benefits of modern communication technologies.
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