OWNER’S MANUAL

OPERATING

HEATER

Continued

MANUAL LIGHTING

PROCEDURE

1.Follow steps 1 through 5 under Light- ing Instructions on page 12.

2.With control knob pressed in, strike match. Hold match to pilot until pi- lot lights.

3.Keep control knob pressed in for 30 seconds after lighting pilot. After 30 seconds, release control knob. Now follow step 8 under Lighting Instruc- tions, page 12.

INSPECTING

BURNER

Check pilot flame pattern and burner flame pattern often.

PILOT FLAME PATTERN

Figure 19 shows a correct pilot flame pattern. Figure 20 shows an incorrect pilot flame pattern. The incorrect pilot flame is not touch- ing the thermocouple. This will cause the thermocouple to cool. When the thermo- couple cools, the heater will shut down.

If pilot flame pattern is incorrect, as shown in Figure 20

turn heater off (see To Turn Off Gas to Appliance, page 12)

seeTroubleshooting, pages 14 through 16

Pilot Burner

Thermocouple

GOOD PILOT/LP

GRH/OV 007

Figure 19 - Correct Pilot Flame Pattern

Pilot Burner

Thermocouple

BAD PILOT/LP

GRH/OV 008

Figure 20 - Incorrect Pilot Flame Pattern

BURNER FLAME PATTERN

Figure 21 shows a correct burner flame pattern. Figure 22 shows an incorrect burner flame pattern.

If burner flame pattern is incorrect, as shown in Figure 22

turn heater off (see To Turn Off Gas to Appliance, page 12)

seeTroubleshooting, pages 14 through 16

Figure 21 - Correct Burner Flame Pattern

Bad Burner Pattern-Plaque GRH/OV 019

Figure 22 - Incorrect Burner Flame Pattern

CLEANING AND MAINTENANCE

WARNING: Turn off heater and let cool before cleaning.

CAUTION: You must keep control areas, burner, and circu- lating air passageways of heater clean. Inspect these areas of heater before each use. Have heater inspected yearly by a quali- fied service person. Heater may need more frequent cleaning due to excessive lint from carpeting, bedding material, pet hair, etc.

ODS/PILOT AND BURNER ORIFICE

Use a vacuum cleaner, pressurized air, or small, soft bristled brush to clean.

CLEANING BURNER PILOT AIR INLET HOLE

We recommend that you clean the unit every 2,500hoursofoperationoreverythreemonths.

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. You can use a vacuum cleaner in the blow position. 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 for dust and dirt.

3.Blow air through the ports/slots and holes in the burner.

Clean the pilot assembly also. A yellow tip on the pilot flame indicates dust and dirt in the pilot assembly. There is a small pilot air inlet hole about two inches from where the pilot flame comes out of the pilot assembly (see Figure 23). 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.

CABINET

Air Passageways

Use a vacuum cleaner or pressurized air to clean.

Exterior

Use a soft cloth dampened with a mild soap and water mixture. Wipe the cabi- net to remove dust.

Pilot Air Inlet

Hole

Pilot Assembly

Figure 23 - Pilot Inlet Air Hole

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Desa VP1600TB, VP2600TB installation manual Inspecting Burner, Cleaning and Maintenance

VP1600TB, VP2600TB specifications

The Desa VP2600TB and VP1600TB are advanced ventilation and heating products designed to enhance indoor air quality and provide comfort through efficient temperature management. These models are particularly suitable for residential and commercial spaces that require reliable heating solutions without compromising on energy efficiency.

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