®

BLUE FLAME NATURAL GAS HEATER

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

Burner does not light after ODS/pilot is lit

1.

Burner orifice is clogged

1.

Clean burner orifice (see Cleaning and

 

 

 

 

Maintenance, page 12) 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 orifice (see Cleaning and

 

 

 

 

Maintenance, page 12) or replace burner

 

 

 

 

orifice

 

 

 

 

 

Burner backfiring during combustion

1.

Burner orifice is clogged or damaged

1.

Clean burner orifice (see Cleaning and

 

 

 

 

Maintenance, page 12) or replace burner

 

 

 

 

orifice

 

2.

Inlet gas pressure is too low

2.

Contact local natural gas company

 

3.

Burner damaged

3.

Replace burner

 

4.

Gas regulator defective

4.

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 12)

 

2.

Inlet gas pressure is too low

2.

Contact local natural gas company

 

3.

Gas regulator defective

3.

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 HIGH position

1.

Turn control knob to LOW 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 checked by local natural

 

 

 

 

gas company

 

3.

Air passageways on heater blocked

3.

Observe minimum installation clear-

 

 

 

 

ances (see Figure 4, page 7)

 

4.

Dirty or partially clogged burner orifice

4.

Clean burner (see Cleaning and Mainte-

 

 

 

 

nance, page 12) or replace burner orifice

Heater produces a clicking/ticking noise just after burner is lit or shut off

1.Metal expanding while heating or con- tracting while cooling

1.This is common with most heaters. If noise is excessive, contact qualified ser- vice person

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

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Desa VN600BA installation manual Maintenance
Page 13 Page 15

VN600BA specifications

The Desa VN600BA is a versatile and efficient vent-free heater that has garnered attention for its performance and user-friendly design. This model stands out in the market due to its blend of advanced technologies and practical features, making it an attractive choice for homeowners seeking reliable heating solutions.

One of the key features of the Desa VN600BA is its innovative vent-free design, which allows for easy installation in various settings without the need for ductwork. This not only reduces installation costs but also enhances flexibility in terms of placement, enabling homeowners to heat different areas of their homes effectively. The heater operates using natural gas or propane, providing options for users based on their fuel availability and preferences.

The VN600BA is equipped with a powerful heating capacity, capable of delivering up to 30,000 BTUs per hour. This makes it suitable for heating spaces up to 1,000 square feet, ensuring comfortable temperatures during colder months. The adjustable thermostat feature allows for precise temperature control, enhancing user comfort while optimizing energy consumption. Additionally, it includes a safety pilot system that monitors the flame and automatically shuts off the gas flow in case of any irregularities, ensuring safety at all times.

The aesthetic appeal of the Desa VN600BA cannot be overlooked. With its sleek design and attractive finish, it complements different interior styles while serving as a functional heating solution. The heater also features a convenient control panel that allows users to operate the device with ease.

In terms of energy efficiency, the Desa VN600BA is designed to minimize waste while providing effective heating. Being vent-free, it utilizes the fuel it consumes more efficiently compared to traditional heating systems, translating to lower utility bills. Moreover, its design promotes complete combustion, which contributes to cleaner operation and reduced environmental impact.

In summary, the Desa VN600BA vent-free heater is characterized by its efficient heating capacity, flexible installation options, and user-friendly features. Its advanced safety systems, combined with an attractive design, make it a desirable choice for homeowners looking for a reliable and efficient heating solution. Whether for supplemental or primary heating, the VN600BA offers a compelling combination of performance and style, ensuring that it remains a preferred option in the market.
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