Desa SVYD18N installation manual Ventilation AIR

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	AIR FOR			WARNING
	COMBUSTION		WARNING ICONG 001	WARNING
	COMBUSTION	If the area in which the heater may be operated is smaller than
	AND	that defined as an unconfined space, provide adequate combus-
	AND	tion and ventilation air by one of the methods described in the
	VENTILATION
	VENTILATION	National Fuel Gas Code, ANSI Z223.1, 1992, Section 5.3 or appli-
	Continued	cable local codes.
	Continued
		VENTILATION AIR
		Ventilation Air From Inside Building
		This fresh air would come from an adjoining unconfined space. When ventilating to an
		adjoining unconfined space, you must provide two permanent openings: one within 12" of the
		ceiling and one within 12" of the floor on the wall connecting the two spaces (see options 1
		and 2, Figure 2). You can also remove door into adjoining room (see option 3, Figure 2).
		Follow the National Fuel Gas Code NFPA 54/ANSI Z223.1, Section 5.3, Air for Combustion
		and Ventilation for required size of ventilation grills or ducts.
			WARNING ICONG 001WARNING
		Rework worksheet, adding the space of the adjoining unconfined
		space. The combined spaces must have enough fresh air to supply all
		appliances in both spaces.
				12"
		Ventilation		Ventilation Grills
		Grills		Ventilation Grills
		Into Adjoining	Or	Into Adjoining Room,
		Room,	Or	Option 2
		Room,	Remove	Option 2
		Option 1	Remove
		Option 1	Door into
			Door into
			Adjoining
			Room,
			Option
			3
				12"

Figure 2 - Ventilation Air from Inside Building

Ventilation Air From Outdoors

Provide extra fresh air by using ventilation grills or ducts. You must provide two perma- nent openings: one within 12" of the ceiling and one within 12" of the floor. Connect these items directly to the outdoors or spaces open to the outdoors. These spaces include attics and crawl spaces.

IMPORTANT: Do not provide openings for inlet or outlet air into attic if attic has a thermostat-controlled power vent. Heated air entering the attic will activate the power vent.

		Outlet				Ventilated
		Outlet				Attic
		Air				Attic
		Air
Outlet


Air
						To Attic

	To
	Crawl
Inlet	Space
Inlet
Air
Inlet Air	Ventilated
Inlet Air	Crawl Space
	Crawl Space
Figure 3 - Ventilation Air from Outdoors		7

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Contents What to do if YOU Smell GAS OWNER’S Operation and Installation ManualContents Safety Information For use with this heater Piezo Ignition System Local Codes Product Features Safety Pilot OperationVentilation AIR forProviding Adequate Ventilation Determining AIR Flow for Heater Location AIR for Combustion and VentilationDetermining if You Have a Confined or Unconfined Space Ventilation AIR Check GAS Type InstallingMinimum Wall and Ceiling Clearances see Figure Side View Stove Cavity AssemblyFront View Top ViewLaying Down Stove On Side Attaching Stove Legs Attaching Stove Door Placing Heater Base In Stove Cavity Installing Installing GAS LOG Heater Into StoveInstallation Items Needed Connecting to GAS SupplySide View Back View Gas Connection Checking GAS ConnectionsTest Pressures Equal To or Less Than 1/2 Psig Pressure Testing Heater Gas ConnectionsOperating Heater For Your Safety Read Before LightingHeater Match, see Manual Lighting Procedure onPilot Flame Pattern Operating Heater Inspecting BurnersLogs Cleaning and Maintenance Trouble ShootingTurn off heater and let cool before cleaning ODS/PILOT and BurnerTROUBLE- Shooting Maintenance,Refer to Air for Com Gas leak. See Warning Hints ServiceReplacement TechnicalIllustrated Parts Breakdown Parts List SCIVFC, Scivfb SCIVFG, Scivfr SCIVFC, Scivfb Valve GA5010 Accessory104024 Keep this Warranty Warranty Information