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 19) 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 19) or replace burner orifice

 

 

 

 

 

 

 

Burner backfiring during combustion

1.

Burner orifice is clogged or damaged

1.

Clean burner (see Cleaning and Mainte-

 

 

 

 

 

nance, page 19) 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 19)

 

 

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 9, page 8)

 

 

4.

Dirty or partially clogged burner orifice

4.

Clean burner (see Cleaning and Mainte-

 

 

 

 

 

nance, page 19) 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

www.desatech.com

Continued

 

 

107101

17

For more information, visit www.desatech.com

Page 17
Image 17
Vanguard Heating VMH3000TNSA installation manual Maintenance

VMH3000TNSA specifications

The Vanguard Heating VMH3000TNSA is a state-of-the-art heating solution designed to provide optimal warmth and comfort in various settings. This model, part of Vanguard's advanced heating line, stands out with its impressive blend of efficiency, technology, and user-friendly features.

One of the key highlights of the VMH3000TNSA is its powerful heating capacity. The unit is capable of delivering up to 3000 watts, making it suitable for larger spaces. This high output ensures that even in the coldest climates, users can enjoy a consistently warm environment. Its ability to rapidly heat up a room is a significant advantage, especially during the winter months.

Efficiency is another crucial feature of the VMH3000TNSA. It incorporates advanced heating technology that maximizes energy consumption. The unit is designed to provide heat with minimal energy use, thus helping to reduce electricity bills while still maintaining a comfortable temperature. This eco-friendly approach is perfect for those who are looking to minimize their environmental footprint without compromising on comfort.

The VMH3000TNSA is equipped with an intelligent digital thermostat that allows for precise temperature control. Users can easily set their desired temperature and let the unit automatically adjust its output to maintain that level. This feature not only enhances convenience but also contributes to energy savings, ensuring that the heater does not overwork itself.

Safety is a paramount concern with any heating device, and the Vanguard VMH3000TNSA does not disappoint. It features a built-in safety shut-off mechanism that automatically turns the unit off if it overheats. Additionally, the design includes cool-touch technology, ensuring that the exterior of the heater remains safe to touch, preventing accidental burns.

The unit is designed for ease of use and portability. It comes with integrated handles and a lightweight construction, allowing users to effortlessly move the heater from one room to another. This flexibility is particularly beneficial for individuals who want to heat specific areas of their home without having to invest in multiple heaters.

In terms of design, the VMH3000TNSA boasts a modern and sleek appearance that fits seamlessly into any home decor. Its compact size means it doesn’t take up much space, making it ideal for apartments and smaller homes.

Overall, the Vanguard Heating VMH3000TNSA is a top-tier heating solution that excels in performance, efficiency, safety, and design. Whether you are looking to heat a large living space or need a reliable unit for your office, the VMH3000TNSA stands as a versatile and effective choice to keep you warm throughout the colder months.