Napoleon GD70NT-2S Installation And Operating Instructions Manual

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Napoleon GD70NT-2S Installation And Operating Instructions Manual Manual pdf 38 page image

38W415-1103 / A / 08.07.13ENAdjust the pilot screw to provide properly sized flame. Turn in a clockwisedirection to reduce the gas flow.Inlet pressure can be checked by turning screw (A)counter-clockwise until loosened and then placingpressure gauge tubing over the test point. Gauge shouldread 7” (178mm) (minimum 4.5”(114mm)) water column fornatural gas or 13” (330mm) (11” minimum (279mm)) water columnfor propane. Check that main burner is operating on “HI”.Outlet pressure can be checked the same as above using screw (B).Gauge should read 3.5” (89mm) water column for natural gas or 10”(254mm) water column for propane. Check that main burner is operatingon “HI”.AFTER TAKING PRESSURE READINGS, TIGHTEN SCREWSFIRMLY TO SEAL. DO NOT OVER TORQUE. LEAK TEST.39.3PIPILOTNOLOTHIL OFFOPILOTBURNERTHERMOCOUPLETHERMOPILEAir Shutter OpeningsFrontLP 1/2” (13mm)NG 1/4” (6mm)This appliance has an air shutter that has been factory set open accordingto the chart below:Regardless of venturi orientation, closing the air shutter will cause a moreyellow flame, but can lead to carboning. Opening the air shutter will cause amore blue flame, but can cause flame lifting from the burner ports. Theflame may not appear yellow immediately; allow 15 to 30 minutes for thefinal flame colour to be established.AIR SHUTTER ADJUSTMENT MUST ONLY BE DONE BY A QUALIFIEDINSTALLER!AIRSHUTTEROPENINGVENTURIBURNERORIFICE49.1The air shutter on this GD70 has been set for the longest horizontal vent lengthpossible - 20 ft (6m). Failure to adjust the air shutter on shorter vent runs willresult in a much smaller than intended flame appearance.The air shutter opening may be adjusted to as little as 1/4” (6mm) (for propanemodels) depending on length and configuration.CARBON CAN BE DISTRIBUTED IN SURROUNDING LIVING AREA IF THE AIR SHUTTER ISIMPROPERLY ADJUSTED.! WARNING49.59.0 ADJUSTMENTS9.1 PILOT BURNER ADJUSTMENT9.2 VENTURI ADJUSTMENT