DVC-500 Firebox Static Pressure Safety Protocol

32

Causes And/Or Reasons For (2-blink) Shutdown:

12. Poor or improper flue termination, other than

 

The DVC-500 operates with a negative pressure

 

firebox as a safety feature. Any loss of this negative

those shown in the owners manual.

 

pressure will start the safety protocol, ( A two blink

13. Too high of negative pressure in the area being

 

status warning )

heated. This is usually caused by the area being too

 

 

 

The following list of potential reasons for warnings

tight and using many exhausting appliances ( range

 

is in order of most likely to least likely to occur:

hood, clothing dryer. exhaust fans, etc.). Often this

 

condition can be caused by heavy and gusting winds

 

1. Opening the viewing door or the ash door for

 

long periods of time without turning the feed adjuster

hitting the outside, creating a negative pressure inside.

 

knob to the "ASH OUT" position.

This internal to external pressure difference may

 

cause the unit to go in and out of Stage 1.

 

 

 

2. Blocked or partially blocked flue pipe. This is

14. Faulty computer circuit or disconnected wiring

 

generally a slow buildup and may only cause the unit

 

to go in and out of Stage 1. Although as the condition

between control board and safety switch.

 

worsens, the unit will continue to step down until it

15. Faulty safety switch (not field adjustable).

 

goes out.

 

 

3. Draft motor fan blades dirty. This is generally a

16. Draft motor failure - there is electricity to the

 

slow buildup and may only cause the unit to go in and

motor but it will not turn.

 

out of Stage 1.Although as the condition worsens, the

[At any time, the 2 blink status can be reset by

 

unit will Continue to step down until it goes out.

disconnecting the power to the unit for a few

 

 

 

4. Draft motor fan cover plate not installed or not

seconds.]

 

in proper position. (Behind ash pan)

 

 

5. Gasketing problems with the viewing or ash removal door.

6. Grate clean-out cover not closed properly, Fig.26.

7. Grate inserts are extremely loose or out of align- ment, fig. 30.

8. Coal ash building up behind the ash pan to a point where the ash door is sprung and not sealing when latched.

9. Transparent tubing from firebox to sensing switch is off or blocked with fly ash.

10. Poor seal on the hopper lid (usually caused by coal under hopper lid edge gasketing after fueling).

11. Fines tray cover not closed properly, fig. 20.

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Harman Stove Company DVC-500 Too high of negative pressure in the area being, Opening the viewing door or the ash door for
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DVC-500 specifications

The Harman Stove Company DVC-500, a prominent model in Harman's lineup, represents the pinnacle of modern pellet stove technology. Designed for both aesthetic appeal and high efficiency, the DVC-500 combines style and functionality to provide an exceptional heating solution for homes.

One of the standout features of the DVC-500 is its user-friendly digital control board. This advanced system allows homeowners to easily adjust settings such as temperature, feed rate, and fan speed, all with the touch of a button. The intuitive interface simplifies operation and enhances the overall user experience. Additionally, the thermostat-compatible feature provides the convenience of maintaining a consistent temperature throughout the home.

The DVC-500 is equipped with a powerful and efficient combustion system that maximizes heat output while minimizing emissions. Its Smart Stove technology continuously monitors and adjusts the combustion process for optimal performance. This ensures that the stove operates at peak efficiency, utilizing less fuel while delivering more heat. As a result, homeowners can enjoy lower energy costs along with an eco-friendlier heating option.

The DVC-500 also boasts a spacious hopper capacity, allowing for extended burn times without the need for frequent refueling. With the ability to hold up to 55 pounds of pellets, users can enjoy hours of consistent warmth and comfort without interruption. The stove's attractive design, available in several finishes, enhances any living space while offering the robust performance expected from Harman products.

Another notable characteristic of the DVC-500 is its easy-to-clean design. The unit features a removable ash pan that simplifies disposal, ensuring that maintenance is hassle-free. Additionally, the heat exchanger is designed for efficient airflow, which enhances the stove's heating capacity while reducing the buildup of soot and debris.

Safety is a critical consideration, and the DVC-500 incorporates several features to ensure peace of mind. The stove includes an integrated safety high-limit switch and a positive-pressure exhaust system that prevents backdraft, making it a reliable choice for any home.

In summary, the Harman Stove Company DVC-500 is a versatile, efficient, and aesthetically pleasing pellet stove that combines advanced technology with ease of use. Its intelligent control systems, high-efficiency combustion, and thoughtful design make it an excellent choice for homeowners seeking a reliable and stylish heating solution. With the DVC-500, Harman continues its legacy of quality craftsmanship and innovative heating solutions.
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