Cleaning and
Maintenance
WARNING: Turn off heater and let cool before cleaning.
CAUTION:Youmustkeepcon- trol areas, burner and circulating air passageways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a qualified service person. Heater may need more frequent cleaning due to excessive lint from carpeting, bedding material, pet hair, etc.
1.Remove the two screws that hold the front log bracket onto the assembly (see Figure 23). The log is attached to this bracket. Gently lift up on the log and bracket. Set aside.
2.Inspect burner and primary air inlet holes on injector holder for dust and dirt (see Figure 24).
3.Blow air through the ports/slots and holes in the burner.
4.Check the injector holder located at the end of the burner tube again. Remove any large particles of dust, dirt, lint or pet hair with a soft cloth or vacuum cleaner nozzle.
5.Blow air into the primary air holes on the injector holder.
6.In case any large clumps of dust have now been pushed into the burner repeat steps 3 and 4.
WARNING: Failure to keep the primary air opening(s) of the burner(s) clean may result in sooting and property damage.
Burner Injector Holder
The primary air inlet holes allow the proper amount of air to mix with the gas. This provides a clean burning flame. Keep these holes clear of dust, dirt, lint and pet hair. Clean these air inlet holes prior to each heating season. Blocked air holes will create soot. We recommend that you clean the unit every
Front
Log
Figure 23 - Removing Front Log to Clean
Front Burner
three months during operation and have heater inspected yearly by a qualified service person. We also recommend that you keep the burner tube clean and free of dust and dirt. We recommend using compressed air no greater than 30 PSI. Your local computer store, hardware store or home center may carry compressed air in a can. You can
Injector Holder
Burner Tube
use a vacuum cleaner in the blow position. If using compressed air in a can, please follow the direc- tions on the can. If you don't follow directions on the can, you could damage the pilot assembly.
Before cleaning, shut off the unit, including the pilot. Allow the unit to cool for at least thirty minutes. You will need to remove the front log to access the front burner.
Injector | Primary Air |
Inlet Opening |
Figure 24 - Injector Holder on Front
Burner Tube
www.desatech.com | 19 |