Desa GVB50N, GVB35N installation manual Operating Heater, Continued, Viewing Pilot

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Figure 17 - Viewing Pilot

OPERATING HEATER

Continued

5.Wait five (5) minutes to clear out any gas. Then smell for gas, including near the floor. If you smell gas, STOP! Follow “B” in the safety information at the top of page 20. If you don’t smell gas, go to the next step.

6.Turn control knob clockwise ClockwiseManual background to the PILOT position. Fully depress control knob for five seconds.

Note: You may be running this heater for the first time after hooking up to gas supply. If so, you may need to depress control knob in for 15 seconds or more. This allows air to bleed from the gas system.

7.With control knob depressed, push down and release ignitor button. This will light pilot. The pilot is attached to the front of burner. You can see pilot through front glass of heater (see Figure 17). If needed, keep pressing ignitor button until pilot lights.

Note: If pilot does not stay lit, refer to Troubleshooting, pages 25 through 29. Also contact a qualified service person or gas supplier for repairs. Until repairs are made, light pilot with match. To light pilot with match, see Manual Lighting Procedure, page 22.

8.Keep control knob depressed for 30 seconds after lighting pilot. After 30 seconds, release control knob.

If control knob does not pop up when released, contact a qualified service person or gas supplier for repairs.

Shut off gas immediately.

Note: If pilot goes out, repeat steps 4 through 8.

9.If heater is equipped with a blower, turn on all electrical power to the heater.

10. Turn control knob counterclockwise Manual backgroundC-clockwiseto desired setting.

11. If equipped, turn blower control to the AUTO or ON position (if desired).

Manual background CAUTION

Do not try to adjust heating levels by using the manual shutoff valve.

Figure 17 - Viewing Pilot

Continued

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Contents VENTED NATURAL GAS HEATERS OWNER’S OPERATION AND INSTALLATION MANUALModels GVB35N and GVB50N Save this manual for future referenceCONTENTS SECTIONPAGE INFORMATION SAFETYWARNINGS DANGERSAFETY INFORMATION WARNINGS ContinuedContinued Figure 1 - Vented Natural Gas Heater PRODUCT IDENTIFICATIONFigure 2 - Vented Natural Gas Heater, Rear View 100353INSTALLING FEATURESLOCAL CODES UNPACKINGNever install the heater INSTALLING HEATERFor convenience and efficiency, install heater If you install the heater in a home garageINSTALLING HEATER ContinuedVENTING HEATER Continued INSTALLING HEATERVENTING HEATER continued Figure 4 - Improper Venting SystemsContinued INSTALLING HEATERVENTING HEATER continued Proper Size Vent Vent TypesCONNECTING TO GAS SUPPLY INSTALLINGHEATER ContinuedINSTALLING HEATER For purposes of input adjustmentContinued Pressure Testing Gas Supply Piping System INSTALLINGPressure Testing Heater Gas Connections HEATERINSTALLING GLASS PANEL INSTALLING HEATERFigure 9 - Removing Lower Front Access Panel ContinuedHEATER INSTALLINGContinued 8.Repeat steps 4 through 7 for all glass panelsFRESH AIR FOR COMBUSTION AND VENTILATION DANGERCarbon monoxide poisoning may lead to death VENTILATION COMBUSTIONFRESH AIR FOR ContinuedCOMBUSTION FRESH AIR FORVENTILATION DANGERVENTILATION COMBUSTIONFRESH AIR FOR ContinuedOPERATING HEATER FOR YOUR SAFETY READ BEFORE LIGHTINGLIGHTING INSTRUCTIONS Continued OPERATING HEATERContinued Figure 17 - Viewing PilotOPERATING HEATER MANUAL LIGHTING PROCEDUREContinued TO TURN OFF GAS TO APPLIANCEPILOT FLAME PATTERN INSPECTING PILOT AND BURNER FLAMEBURNER FLAME PATTERN ContinuedContinued INSPECTING PILOT AND BURNER FLAMECABINET CLEANING AND MAINTENANCECOMBUSTION CHAMBER AND BURNER PILOTTROUBLE SHOOTINGand Maintenance, page ing and Maintenance Cleaning and MainteCleaning and Mainte TROUBLEing and Maintenance TROUBLE- SHOOTINGMaintenance, page CleaningTROUBLE ing and MaintenanceSHOOTING ContinuedRemoving Control Valve and Burner Tube SERVICE PROCEDURESContinued SERVICE PROCEDURESRemoving Burner ContinuedSERVICE PROCEDURES ContinuedChanging Burner Orifice TECHNICAL SERVICE SERVICE HINTSSPECIFICATIONS ORDERING REPLACEMENTPARTS CENTRALSACCESSORIES BLOWER KIT - PART NUMBER GA6010MANUAL SHUTOFF VALVE - GA5010 Assembly PARTS LISTILLUSTRATED BurnerPART NUMBER FOR PARTS LIST Burner AssemblyGVB50N GVB35Nmanual ILLUSTRATED PARTS LIST Cabinet AssemblyPage DESA WARRANTY INFORMATION