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

 

1.

Wrong pump pressure

1.

Adjust pump pressure ( see Pump Pres-

 

 

 

 

sure Adjustment, page 11)

Heater burns, but puffs of smoke can be seen Heater does not burn steady

Heater burns with odor Heater smokes continuously

2.A) Heater almost out of fuel

B)Water condensation in fuel tank

C)Wrong 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

2.A) Add fuel to tank

B)Check fuel tank for bubbles of water 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 Filters, page 12. Fill with correct fuel

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)

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Desa B350D, B600D owner manual Adjust pump pressure see Pump Pres

B350D, B600D specifications

The Desa B350D and B600D are two cutting-edge heating appliances designed to meet modern demands for efficiency, performance, and user convenience. These models, known for their reliable heating capabilities, incorporate advanced technologies that enhance both functionality and comfort in various environments.

The Desa B350D is a mid-range option that is ideal for smaller spaces. It boasts a compact design that allows it to fit seamlessly into any room, while still delivering substantial heating power. The B350D features an adjustable thermostat, which gives users complete control over their heating needs. With a maximum output of 35,000 BTUs, it can effectively heat areas up to approximately 1,200 square feet. The unit is equipped with an innovative multi-fuel system that allows it to operate on natural gas, propane, or liquid fuel, providing versatility and convenience to users.

On the other hand, the Desa B600D is a more powerful option, designed for larger spaces requiring higher heating capacities. With an output capacity of 60,000 BTUs, it efficiently warms areas up to 2,000 square feet, making it a perfect choice for workshops, garages, or large living spaces. Just like its smaller counterpart, the B600D features a user-friendly adjustable thermostat for personalized comfort.

Both models integrate safety features such as a tilt switch, which automatically shuts off the unit if it is tipped over, ensuring peace of mind when in use. Additionally, these units are designed with a durable exterior that is built to withstand the rigors of frequent usage.

Energy efficiency is a critical consideration in today's eco-conscious market, and the Desa B350D and B600D deliver on this front as well. Both models feature an efficient burner system that maximizes fuel utilization, reducing overall consumption and lowering heating costs.

In terms of maintenance, both models are designed for easy access to components, allowing users to perform routine checks and maintenance without hassle. The user manuals provide clear instructions, ensuring that even those with minimal technical expertise can keep their units in optimal working condition.

In summary, the Desa B350D and B600D stand out in the heating appliance market for their powerful performance, versatile fuel options, and user-friendly features. Whether for residential or commercial applications, these models represent a reliable choice for those seeking efficient and effective heating solutions.