TROUBLESHOOTING

Continued

FAULT CONDITION

POSSIBLE CAUSE

REMEDY

Motor starts and runs but heater

1. No fuel in tank

1.

Fill tank with kerosene

does not ignite

2.

Pump pressure incorrect

2.

See Pump Pressure Adjust-

 

 

 

 

ment, page 10

 

3.

Dirty fuel filter

3.

See Fuel Filter, page 10

 

4.

Obstruction in nozzle

4.

See Nozzle Assembly, page 13

 

5.

Water in fuel tank

5.

Drain and flush fuel tank with

 

 

 

 

clean kerosene. See Storing,

 

 

 

 

Transporting, or Shipping,

 

 

 

 

page 6

WARNING: High voltage!

6.Bad electrical connection be- tween ignitor and ignition con- trol assembly

7.Defective ignitor

8.Defective ignition control as- sembly

9.200 Model Only: Defective fuel valve (Models equipped with fuel valve only)

6.Check electrical connections. See Wiring Diagrams, page 16

7.Replace ignitor, see page 11

8.Replace ignition control as- sembly

9.See Fuel Valve, page 11

Heater ignites but ignition con-

1. Pump pressure incorrect

1.

See Pump Pressure Adjust-

trol assembly shuts heater off

 

 

 

ment, page 10

after a short period of time

2. Dirty air intake, air output,

2.

See Air Output, Air Intake, and

 

 

and/or lint filter

 

Lint Filters, page 9

 

3.

Dirty fuel filter

3.

See Fuel Filter, page 10

 

4.

Obstruction in nozzle

4.

See Nozzle Assembly, page 13

 

5. Photocell assembly not properly

5.

Make sure photocell boot is

 

 

installed (not seeing the flame)

 

properly seated in bracket

 

6.

Dirty photocell lens

6.

Clean photocell lens

WARNING: High voltage!

7.Bad electrical connection be- tween photocell and ignition control assembly

8.Defective photocell

9.Defective ignition control as- sembly

7.Check electrical connections. See Wiring Diagrams, page 16

8.Replace photocell

9.Replace ignition control as- sembly

8

www.desatech.com

113282-01C

Page 8
Image 8
Desa BTU/HR owner manual Ment, Dirty fuel filter, Obstruction in nozzle, Water in fuel tank, And/or lint filter

BTU/HR specifications

Desa BTU/HR is an innovative energy solution that emphasizes efficiency and sustainability in thermal energy generation. Designed with the modern consumer in mind, the Desa BTU/HR platform integrates advanced technologies to optimize heating systems for both residential and commercial applications.

At its core, Desa BTU/HR operates on the principle of maximizing thermal energy while minimizing waste. This is achieved through state-of-the-art heat exchangers and combustion technologies that ensure a higher yield of usable heat per unit of fuel consumed. By utilizing a variety of inputs, including biomass, natural gas, and renewable sources, Desa BTU/HR caters to a range of energy requirements, making it versatile for diverse environments.

One distinguishing feature of the Desa BTU/HR system is its intelligent control mechanism. Equipped with smart sensors and an integrated software platform, the system continuously monitors performance and adjusts operations in real-time. This proactive management contributes to enhanced efficiency, reducing energy consumption and operational costs. Furthermore, the system allows for remote access and monitoring, enabling users to make informed decisions about their energy usage without being on-site.

Another key characteristic of the Desa BTU/HR is its modular design. This means that the system can be scaled to meet changing energy requirements without major overhauls or replacements. Businesses can start with a smaller unit and expand as needed, which is not only cost-effective but also environmentally responsible.

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In conclusion, Desa BTU/HR sets a new standard in thermal energy generation through its efficient, intelligent, and sustainable design. With features that promote optimal energy use and a commitment to reducing environmental impact, the system serves as a robust solution for heat generation in today's energy-hungry world. As the landscape of energy production continues to evolve, Desa BTU/HR stands out as a forward-thinking choice for future energy needs.