Desa CGMFN, CGMFP, VGMRN, VGMRP Inspecting Burners, Cleaning and Maintenance, Continued

Models: VGMRN VGMRP CGMFN CGMFP

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Cleaning and

Inspecting Burners

Continued

If burner flame pattern is incorrect, as shown in Figure 39

turn fireplace off (see To Turn Off Gas to Appli- ance, page 20 for Manual-Controlled Models or page 21 for Remote-Ready Models)

see Troubleshooting, page 31

Figure 38 - Correct Burner Flame Pattern

Figure 39 - Incorrect Burner Flame Pattern

Cleaning and

Maintenance

Burner Injector Holder and WARNING: Turn off fireplace and let cool before cleaning.

Manual background CAUTION:Youmustkeepcon- trol areas, burner and circulating airpassagewaysoffireplaceclean. Inspect these areas of fireplace before each use. Have fireplace inspected yearly by a qualified service person. Fireplace may need more frequent cleaning due to excessive lint from carpeting, pet hair, bedding material, etc.

Manual background WARNING: Failure to keep the primary air opening(s) of the burner(s) clean may result in sooting and property damage.

Burner Injector Holder and

Pilot Air Inlet Hole

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 three months during operation, or as needed, and have fireplace inspected yearly by a qualified service person.

We also recommend that you keep the burner tube and pilot assembly clean and free of dust and dirt. To clean these parts 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. If using compressed air in a can, please follow the directions on the can. If you don’t follow directions on the can, you could damage the pilot assembly.

1.Shut off the unit, including the pilot. Allow the unit to cool for at least thirty minutes.

2.Inspect burner, pilot and primary air inlet holes on injector holder for dust and dirt (see Figure 40).

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.

Clean the pilot assembly also. Additional cleaning may be needed for proper pilot operation based on use/lack of use. A yellow tip on the pilot flame may indicate dust and dirt in the pilot assembly. There is a small pilot air inlet hole about 2" from where the pilot flame comes out of the pilot assembly (see Figures 41 or 42, page 25, depending on model). With the unit off, lightly blow air through the air inlet hole. You may blow through a drinking straw if compressed air is not available.

Ports/Slots

Injector

 

Holder

 

Primary Air

Burner

Inlet Holes

Tube

 

Figure 40 - Injector Holder On Outlet

Burner Tube

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www.desatech.com

119315-01A

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Desa CGMFN, CGMFP Inspecting Burners, Cleaning and Maintenance, Continued, Burner Injector Holder and Pilot Air Inlet Hole