Shelter® French Operator Manual | SF4200

16.

Problem: Down draft on chimney caused by one or more of the following. Possible Causes: Remedies: • Remove obstruction.

• There is an obstruction outside chimney, such as a tree. • Flue is located too close to the peak of the roof or does not rise above it to provide the proper draft. • Flue is too close to another building.

• Increase chimney height.

• Increase chimney height.

• Check entire chimney system including stove pipe run. Utilize chimney cleaning device to remove any obstruction or foreign matter. • Remove as necessary.

• Obstruction in chimney.

• Excessive ash accumulation.

17.

Problem: Flames discharging from fuel door during reloading.

Remedies:

Possible Causes:

• Opening the door has provided additional oxygen which has ignited the accumulated gases from partially spent fuel. • Insufficient natural draft or an obstruction in the flue system. • Fire chamber filled to capacity with unburned fuel.

• Always open the door cautiously and allow the safety latch system to perform its designed function, containing gases within the fire chamber.

• See #8, #9 and #16.

• Do not attempt to overload the furnace.

Problem: The air coming out of heat registers is not warm enough. Possible Causes: Remedies: 18. • The chimney on the furnace is not tall enough which is affecting the efficiency of the furnace.

• Add additional sections of chimney to the flue to ensure compliance with the “10/2 Rule.” See diagram on page 7.

• Wood being used is not dry

• Use hardwood that is covered and protected from the weather for at least a year. Avoid using rotten or poor quality wood. • Check the return duct and blower housing for holes and cracks, and seal with aluminum tape.

enough to produce higher BTU’s.

• Outside air is being pulled

through the return air duct, thus reducing the temperature of the heat supply.

• Fan limit control is not set to factory specifications.

• Set fan limit to 150° as high limit, and 100° as the low limit.

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