OWNER’S MANUAL

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

Heater ignites, but flame-out control shuts

1.

Wrong pump pressure

1.

Adjust pump pressure (see Pump Pres-

off heater after a short period of time

 

 

 

sure Adjustment, page 11)

 

2.

Dirty fuel filters

2. Clean fuel filters (see Fuel Filters, page 12)

 

3.

Dirt in nozzle

3.

Replace nozzle (see Nozzle, page 10)

 

4.

Dirty photocell lens

4. Clean photocell lens with clean cotton swab

 

5.

Open or damaged photocell

5.

Replace photocell

 

6.

Bad flame-out control

6.

Replace flame-out control

 

7.

Damaged fan switch

7.

Replace fan switch

 

 

 

 

 

Heater burns, but puffs of smoke can be seen

1.

Wrong pump pressure

1.

Adjust pump pressure ( see Pump Pres-

Heater does not burn steady

 

 

 

sure Adjustment, page 11)

Heater burns with odor

 

 

 

 

Heater smokes continuously

2.

A) Heater almost out of fuel

2.

A) Add fuel to tank

 

 

B) Water condensation in fuel tank

 

B) Check fuel tank for bubbles of water

 

 

C) Wrong fuel

 

in bottom. If found, remove fuel (see

 

 

 

 

Storing, Transporting, or Shipping, page

 

 

 

 

5). Clean tank and fuel filters (see Fuel

 

 

 

 

Filters, page 12). Fill with clean fuel

C) Remove wrong fuel (see Storing, Transporting, or Shipping, page 5). Clean tank and fuel filters (see Fuel Fil- ters, page 12. Fill with correct fuel

3.Dirty fuel filters

4.Air leak in suction system

5.Dirty nozzle

6.Low voltage causing motor to operate below rated speed

7.Loose fuel line

3.Clean fuel filters (see Fuel Filters, page 12)

4.Tighten all fuel line connections (see Fuel Lines, page 12)

5.Replace nozzle (see Nozzle, page 10)

6.Check voltage at heater. Voltage at heater should be not less than 90% of rated volt- age (108V minimum for 120V heaters)

7.Check and tighten all fuel line connec- tions (see Fuel Lines, page 12)

www.desatech.com

106029

9

Page 9
Image 9
Desa SB350D, SB600D owner manual Sure Adjustment

SB350D, SB600D specifications

The Desa SB350D and SB600D are modern heating solutions designed to cater to both residential and commercial needs. These models showcase a blend of advanced technology and user-friendly features, making them reliable choices for efficient heating.

One of the standout features of the Desa SB350D and SB600D is their high efficiency. With advanced combustion technology, these units can achieve a notable thermal efficiency rating. This means that they convert a larger percentage of fuel into usable heat, reducing energy costs and minimizing environmental impact.

Both models are equipped with a robust safety system. The automatic shut-off mechanism is a key element, ensuring that the heater will turn off in case of overheating, providing peace of mind for users. Additionally, they incorporate a low oxygen safety shutoff, which will turn the unit off if oxygen levels drop below a safe threshold, making them suitable for use in various environments.

Another important characteristic of the Desa SB350D and SB600D is their versatility. These heaters can efficiently operate using multiple fuel sources, including propane and natural gas. This flexibility allows users to choose a fuel type that best suits their needs and availability. Furthermore, both models feature an adjustable thermostat that enables users to easily control the temperature, ensuring optimal comfort at all times.

Design plays a crucial role in the appeal of these units. The SB350D and SB600D come with a sleek and modern aesthetic that can seamlessly blend into various settings, from homes to commercial spaces. Their compact size allows for easy placement without sacrificing heating performance.

Installation is made effortless with these models. The Desa SB350D and SB600D come with detailed instructions and can be installed in a variety of configurations, including wall-mounted or freestanding options. This adaptability enhances their usability across different spaces.

In terms of durability, the construction of both units is solid, designed to withstand the rigors of daily use. Their materials are chosen for longevity, ensuring that users can rely on these heaters season after season.

Overall, the Desa SB350D and SB600D are exemplary choices for those seeking an efficient, versatile, and reliable heating solution. With their blend of safety features, fuel flexibility, and attractive design, they meet the demands of modern heating while providing exceptional performance.