Bard FLF110D60F, FLR140D60F Minimum Ventilation Openings, ALL Ventilation AIR from Outdoors

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TABLE 9

MINIMUM VENTILATION OPENINGS

			Recommended
		Min. Ventilation	Opening
		Min. Ventilation	(2 Required)
		Opening	(2 Required)
		Opening
	Model	Square Inch	Size	Sq. In.

	FH085D36F	240	8 x 16	128

	FH110D48F	280	9 x 18	162

	FH110D60F	280	9 x 18	162

	FLF085D36F	290	8 x 19	152

	FLR085D36F	290	8 x 19	152

	FLF110D48F	340	9 x 19	171
	FLF110D60F	340	9 x 19	171
	FLF110D60F

	FLR110D48F	340	9 x 19	171
	FLR110D60F	340	9 x 19	171
	FLR110D60F

	FLR140D60F	360	9.5 x 19	180

	FC085D36F	240	8 x 16	128

ALL VENTILATION AIR FROM OUTDOORS

A.The confined space shall be provided with two permanent openings, one in or near the top of the enclosure and one in or near the bottom. The openings shall communicate directly, or by means of ducts with outdoors or to such spaces (crawl or attic) that freely communicate with outdoors. (See Figures 13, 14, & 15.)

B.When directly communicating with outdoors or by means of vertical ducts, each opening shall have a free area of not less than one square inch per 4,000 BTU per hour (35 square inches per gallon per hour) of total input rating of all appliances in the enclosures. If horizontal ducts are used, each opening shall have a free area of not less than one square inch per 2,000 BTU per hour (70 square inches per gallon per hour) of total input of all appliances in the enclosure.

FIGURE 13

APPLIANCES LOCATED IN CONFINED SPACES

ALL AIR FROM OUTDOORS

NOTE: Each air duct opening shall have a free area of not less than one square inch per 2,000 BTU per hour (70 square inches per gallon per hour) of the total input rating of all appliances in the enclosure.

Manual	2100-422M
Page	28 of 42

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Contents OIL Furnace Installation Instructions Contents Getting Other Information and Publications For More INFORMATION, Contact These PublishersLocating the Furnace Equipment SelectionMinimum Clearances FLF/FLR 085, 110 and 140 Specification Sheet Supply Specification Sheet Counterflow Specification Sheet FC085 Model DimensionsInstalling the Furnace Installing a Cooling UnitInstruments Required for Proper Setup of the Furnace InstallationWiring Factory WiringField Wiring Electrical DataTypical Unit Setup FLF Unit Shown Typical Unit Setup FLF Unit ShownI m n e y OIL Line Piping Typical Single Inside Tank InstallationBeckett AFG or NX OIL Burner Beckett Solid State Igniter Beckett Cleancut OIL PumpGenisys 7505 Primary Control Beckett Genisys Reset Button OperationBurner States Table a Reset Button Operation Table B Status LightsCAD Cell Resistance Indicator Priming the PumpResetting from Restricted Lockout Disable FunctionCleaner Connection Electronic Blower ControlBurner Setup and Adjustment Procedures Furnace DataPreparation Steps Combustion Adjustment StepsCombustion Diagnosis Short Form Adjustment Procedure High Air Settings Low Bacharach Smoke Number Typical Smoke CO2 Chart with Adjustment RangePressure Gauge Connection to Bleed Port Recommended START-UP Settings No Fuel OIL Efficiency Chart NET Stack TEMP. Degrees FCorrelation of Percent of CO2, O2 and Reserve AIR GUN Assembly Adjustment Removing GUN AssemblyCombustion AIR Requirements Spacing of ElectrodesAFG Burner Combustion AIR Boot Assembly Combustion AIR Boot AssemblyAppliances Located in Confined Spaces ALL AIR from Inside BuildingALL Ventilation AIR from Outdoors Minimum Ventilation OpeningsAppliances Located in Confined Spaces ALL AIR from Outdoors Manual 2100-422M Louvers and Grilles Venting OptionsThermostat Vertical VentingAFG Typical Installation of FR25 Filter KIT AIR FiltersFilter Installation LO-BOY Models LO-BOY Models Filter LocationsService Hints LubricationInspect AIR Filter Final Inspection and TestCombination Combustion CHAMBER/BURNER Mounting System Removal of Burner onlyTo Remove the Entire Combustion Chamber Mounting System To Remove Burner onlyRemoval of Entire Combustion Chamber Mounting System Common Causes of Trouble Cleaning of the Heat ExchangerCare of Finish Chart FH085D36F Data Chart FH110D48F DataChart FH110D60F Data Chart FLF/FLR085D36F DataChart FLR140D60F Data Chart FC085D36F DataFH Series Wiring Diagram Exchanger4047-119 E 4047-120 D