Bryant 340MAV instruction manual Continued, FOR USE WITH 040 THROUGH 120 SIZE FURNACES ONLY

		TABLE 9—MODEL 340MAV ORIFICE SIZE AND MANIFOLD PRESSURE FOR CORRECT INPUT														(Continued)
				FOR USE WITH 040 THROUGH 120 SIZE FURNACES ONLY
	(TABULATED DATA BASED ON 20,000 BTUH PER BURNER, DERATED 2% FOR EACH 1000 FT ABOVE SEA LEVEL)
	ALTITUDE		AVG GAS						SPECIFIC GRAVITY OF NATURAL GAS
			HEAT VALUE		0.58			0.60			0.62			0.64				0.66
		RANGE
		(FT)	AT ALTITUDE	Orifice		Manifold	Orifice		Manifold	Orifice		Manifold	Orifice		Manifold		Orifice		Manifold
			(BTU/CU FT)
				No.		Pressure	No.		Pressure	No.		Pressure	No.		Pressure		No.		Pressure
			625	43		3.8	42		3.3	42		3.4	42		3.5		42		3.6
			650	43		3.5	43		3.7	43		3.8	42		3.2		42		3.3
Only		7001	675	44		3.8	43		3.4	43		3.5	43		3.6		43		3.7
			700	44		3.5	44		3.6	44		3.8	43		3.4		43		3.5
U.S.A.		to	725	44		3.3	44		3.4	44		3.5	44		3.6		44		3.7
		8000	775	45		3.5	45		3.6	45		3.7	45		3.8		44		3.3
			750	45		3.7	45		3.8	44		3.3	44		3.4		44		3.5
			800	45		3.3	45		3.4	45		3.5	45		3.6		45		3.7
		15%	825	45		3.1	45		3.2	45		3.3	45		3.4		45		3.5
		derate	850	45		2.9	45		3.0	45		3.1	45		3.2		45		3.3
	ALTITUDE		AVG GAS						SPECIFIC GRAVITY OF NATURAL GAS
			HEAT VALUE		0.58			0.60			0.62			0.64				0.66
		RANGE
		(FT)	AT ALTITUDE	Orifice		Manifold	Orifice		Manifold	Orifice		Manifold	Orifice		Manifold		Orifice		Manifold
			(BTU/CU FT)
				No.		Pressure	No.		Pressure	No.		Pressure	No.		Pressure		No.		Pressure
			600	43		3.8	42		3.3	42		3.4	42		3.5		42		3.6
		8001	625	43		3.5	43		3.6	43		3.8	42		3.2		42		3.3
Only			650	44		3.7	43		3.4	43		3.5	43		3.6		43		3.7
		to	675	44		3.5	44		3.6	44		3.7	44		3.8		43		3.4
U.S.A.			700	44		3.2	44		3.3	44		3.4	44		3.6		44		3.7
		9000	725	45		3.6	45		3.8	44		3.2	44		3.3		44		3.4
			750	45		3.4	45		3.5	45		3.6	45		3.8		44		3.2
		17%	775	45		3.2	45		3.3	45		3.4	45		3.5		45		3.6
		derate	800	45		3.0	45		3.1	45		3.2	45		3.3		45		3.4
	ALTITUDE		AVG GAS						SPECIFIC GRAVITY OF NATURAL GAS
			HEAT VALUE		0.58			0.60			0.62			0.64				0.66
		RANGE
		(FT)	AT ALTITUDE	Orifice		Manifold	Orifice		Manifold	Orifice		Manifold	Orifice		Manifold		Orifice		Manifold
			(BTU/CU FT)
				No.		Pressure	No.		Pressure	No.		Pressure	No.		Pressure		No.		Pressure
			575	43		3.8	42		3.2	42		3.3	42		3.5		42		3.6
		9001	600	43		3.5	43		3.6	43		3.7	42		3.2		42		3.3
Only			625	44		3.7	44		3.8	43		3.5	43		3.6		43		3.7
		to	650	44		3.4	44		3.5	44		3.7	44		3.8		43		3.4
U.S.A.			675	45		3.8	44		3.3	44		3.4	44		3.5		44		3.6
		10,000	700	45		3.6	45		3.7	45		3.8	44		3.3		44		3.4
			725	45		3.3	45		3.4	45		3.6	45		3.7		45		3.8
		19%	750	45		3.1	45		3.2	45		3.3	45		3.4		45		3.5
		derate	775	45		2.9	45		3.0	45		3.1	45		3.2		45		3.3

*Orifice numbers shown in BOLD are factory installed.

Percents of derate are based on midpoints of U.S. altitude ranges.

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