Desa KEROSENE HIGH PRESSURE PORTABLE FORCED AIR HEATERS Tank, Wrong fuel Remove fuel see Storing

Page 9

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

 

 

 

 

Heater ignites, but flame-out

1. Wrong pump pressure

1.

Adjust pump pressure (see

control shuts off heater after a

 

 

 

Pump Pressure Adjustment

short period of time

 

 

 

sections, page 11)

 

2.

Dirty fuel filters

2.

Clean fuel filters (see Fuel

 

 

 

 

Filters, page 12)

 

3.

Dirt in nozzle

3.

Replace nozzle (see Nozzle,

 

4.

Dirty photocell lens

 

page 10)

 

4.

Clean photocell lens with

 

5.

Open or damaged photocell

 

clean cotton swab

 

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

1. Wrong pump pressure

1.

Adjust pump pressure (see

can be seen

 

 

 

Pump Pressure Adjustment

Heater does not burn steady

2. A) Heater almost out of fuel

 

sections, page 11)

Heater burns with odor

2.

A) Add fuel to tank

Heater smokes continuously

 

B) Water condensation in fuel

 

B) Check fuel tank for bubbles

 

 

tank

 

of water in bottom. If found,

 

 

C) Wrong fuel

 

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 Ship-

 

 

 

 

ping, page 5). Clean tank and

 

 

 

 

fuel filters (see Fuel Filters,

 

 

 

 

page 12. Fill with correct fuel

 

3.

Dirty fuel filters

3.

Clean fuel filters (see Fuel

 

4.

Air leak in suction system

 

Filters, page 12)

 

4.

Tighten all fuel line connections

 

5.

Dirty nozzle

 

(see Fuel Lines, page 12)

 

5.

Replace nozzle (see Nozzle,

 

6.

Low voltage causing motor to

 

page 10)

 

6.

Check voltage at heater. Volt-

 

 

operate below rated speed

 

age at heater should be not

 

 

 

 

less than 90% of rated voltage

 

 

 

 

(108V minimum for 120V

 

7.

Loose fuel line

 

heaters)

 

 

 

7.

Check and tighten all fuel line

 

 

 

 

connections (see Fuel Lines,

 

 

 

 

page 12)

110098-01F

www.desatech.com

9

Image 9
Contents Table of Contents Follow all local ordinances and codes when using heater Safety InformationFueling Top 4 FtProduct Identification UnpackingOperation Fuels Follow all ventilation and safety informationVentilation To Start HeaterTo Stop Heater STORING, Transporting of ShippingTo Restart Heater Unplug extension cord from outletPreventative Maintenance Schedule Observed Problem Possible Cause Remedy TroubleshootingDamaged electronic ignitor Fill with clean fuel Wrong pump pressure Adjust pump pressure see Can be seenTank Wrong fuel Remove fuel see StoringUpper Shell Removal Service ProceduresFAN Blades and AIR Deflectors Spark PlugGauge Remove pressure gauge plug from fuel pump port marked GaugeRemove upper shell see Upper Shell Re- moval, Fuel LinesFuel Filters Models B350D, SB350D and R350A Illustrated Parts BreakdownNTC-4C Parts ListModels B600D, SB600D and R600A NTC-4C Illustrated Parts Breakdown and Part List Burner Head Assembly 350,000 and 600,000 BTU/HRNPF-5C Part List Motor and Pump Assembly 350,000 and 600,000 BTU/HRSpecifications Wiring DiagramOutput Rating Btu/Hr 350,000 600,000 Fuel Technical Service Maintenance KitsAccessory Replacement Parts110098-01F Limited Warranty Warranty and Repair Services

KEROSENE HIGH PRESSURE PORTABLE FORCED AIR HEATERS specifications

Desa Kerosene High Pressure Portable Forced Air Heaters are engineered to deliver efficient and effective heating solutions for a variety of applications. These heaters stand out for their portability, high heating capacity, and adaptability to different environments, making them ideal for construction sites, warehouses, livestock facilities, and other outdoor settings.

One of the standout features of Desa heaters is their high-pressure design. This technology allows for rapid heating by forcing hot air into the surrounding area at a higher velocity compared to traditional heaters. This means that larger spaces can be heated more quickly and efficiently. With adjustable outlets, users can direct heat where it is needed most, further optimizing energy use and comfort.

These heaters utilize high-quality kerosene fuel, which offers a robust heating output while maintaining a clean burn. Kerosene is widely available and often more cost-effective than other heating fuels. The heaters are designed to efficiently burn kerosene, ensuring minimal emissions and environmental impact. This makes them suitable for both indoor and outdoor use when proper ventilation is provided.

Safety is a primary focus in the design of Desa high-pressure heaters. They are equipped with multiple safety features, including automatic shut-off mechanisms, which activate in the event of overheating or abnormal operation conditions. Additionally, robust construction ensures durability, allowing these heaters to withstand tough working conditions while providing reliable performance over time.

Ease of operation is another key characteristic of Desa heaters. Many models come with user-friendly controls that allow for straightforward adjustments of temperature settings and fan speeds. Portability is enhanced through built-in handles and lightweight designs, allowing users to transport the heaters with ease.

In conclusion, Desa Kerosene High Pressure Portable Forced Air Heaters offer effective heating solutions that combine high performance, safety, and convenience. With their advanced features, durability, and efficiency, they stand as a reliable choice for anyone needing substantial heat output in challenging environments. Whether for commercial, industrial, or agricultural use, these heaters provide an essential service by delivering warmth whenever and wherever it is most required.