Desa SB600D, SB350D owner manual Transporting, or Shipping

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HIGH PRESSURE PORTABLE FORCED AIR HEATER 350,000 AND 600,000 BTU/HR

TROUBLESHOOTING

Continued

OBSERVED PROBLEM

POSSIBLE CAUSE

REMEDY

Heater will not ignite, but motor runs for a

1. A) Fuel tank empty

1. A) Add fuel to tank

short period of time.

B) Water in fuel

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

2.Dirt in nozzle

3.Very low temperature may cause fuel to thicken and not flow

4.Dirty fuel filters

5.Wrong pump pressure

6.Spark plug wire disconnected from plug

7.Spark plug problems due to:

A)Wrong gap

B)Plug wet with fuel

C)Carbon deposits on plug

D)Damaged plug

2.Replace nozzle (see Nozzle, page 10)

3.Move heater to warmer place until fuel flows freely

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

5.Adjust pump pressure (see Pump Pres- sure Adjustment, page 11)

6.Connect spark plug wire to spark plug

7.A) Adjust electrode gap to .075" (see Spark Plug, page 10)

B)Clean fuel from spark plug with clean, soft cloth

C)Replace plug if heavily coated with carbon (see Spark Plug, page 10)

D)Inspect plug for worn or eroded elec- trodes. If found, replace plug (see Spark Plug, page 10)

8.

Solenoid valve not opening

8.

Check electrical connections and volt-

 

 

 

 

age to solenoid. If good, replace sole-

 

 

 

 

noid valve

 

 

 

 

 

 

WARNING: High Voltage!

 

 

 

 

 

 

 

9.

Damaged electronic ignitor

9.

Replace electronic ignitor

www.desatech.com

8

106029

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Contents High Pressure Portable Forced AIR Heaters Safety Information FuelingProduct Identification UnpackingTheory Operation FuelsVentilation Fresh Air Opening RequirementsStoring TRANSPORTING, or Shipping To Start HeaterTo Stop Heater To Restart HeaterPreventative Maintenance Schedule How OftenTroubleshooting Observed Problem Possible Cause RemedyTransporting, or Shipping, Sure Adjustment, Service Procedures Fan Blades and Air DeflectorsNozzle Upper Shell RemovalPump Pump Pressure AdjustmentProcedure if Pump is Binding Procedure for tightening fuel lines Fuel LinesFuel Filters Tank Fuel FilterSpecifications Wiring DiagramMaintenance Kits AccessoryIllustrated Parts Breakdown Parts List Description QTYSB600D 600,000 BTU/HR NPC-1C Burner Head Assembly 350,000 and 600,000 Btu/Hr Motor and Pump Assembly 350,000 and 600,000 Btu/Hr106029 Warranty and Repair Service Corporate Headquarters

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.