Bryant 340MAV instruction manual 725 750 Only 4001 775 800 825 5000 875 850 900 925

		TABLE 10—MODEL 340MAV ORIFICE SIZE AND MANIFOLD PRESSURE FOR CORRECT INPUT													(Continued)
						FOR USE WITH 140 SIZE FURNACES ONLY
	(TABULATED DATA BASED ON 23,000 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
			725	41		3.6	41		3.7	41		3.8	40	3.6	40		3.8
			750	42		3.7	42		3.8	41		3.6	41	3.7	41		3.8
Only		4001	775	42		3.5	42		3.6	42		3.7	42	3.8	41		3.6
			800	42		3.3	42		3.4	42		3.5	42	3.6	42		3.7
U.S.A.		to	825	43		3.7	42		3.2	42		3.3	42	3.4	42		3.5
		5000	875	43		3.3	43		3.4	43		3.6	43	3.7	43		3.8
			850	43		3.5	43		3.6	43		3.8	42	3.2	42		3.3
			900	43		3.1	43		3.3	43		3.4	43	3.5	43		3.6
		9%	925	43		3.0	43		3.1	43		3.2	43	3.3	43		3.4
		derate	950	43		2.8	43		2.9	43		3.0	43	3.1	43		3.2
	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
			700	41		3.5	41		3.7	41		3.8	40	3.6	40		3.7
			725	42		3.7	42		3.8	41		3.5	41	3.6	41		3.8
			750	42		3.4	42		3.5	42		3.7	42	3.8	41		3.5
			775	42		3.2	42		3.3	42		3.4	42	3.5	42		3.7
Only		5001	800	43		3.7	43		3.8	42		3.2	42	3.3	42		3.4
			825	43		3.5	43		3.6	43		3.7	43	3.8	42		3.2
U.S.A.		to	850	43		3.3	43		3.4	43		3.5	43	3.6	43		3.7
			875	43		3.1	43		3.2	43		3.3	43	3.4	43		3.5
		6000	900	43		2.9	43		3.0	43		3.1	43	3.2	43		3.3
			925	43		2.7	43		2.8	43		2.9	43	3.0	43		3.1
			950	43		2.6	43		2.7	43		2.8	43	2.9	43		3.0
		11%	975	43		2.5	43		2.6	43		2.6	43	2.7	43		2.8
		derate	1000	43		2.3	43		2.4	43		2.5	43	2.6	43		2.7
	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
			650	41		3.8	40		3.6	40		3.7	40	3.8	39		3.7
			675	41		3.5	41		3.6	41		3.7	40	3.6	40		3.7
Only		6001	700	42		3.6	42		3.7	41		3.5	41	3.6	41		3.7
			725	42		3.4	42		3.5	42		3.6	42	3.7	42		3.8
U.S.A.		to	750	43		3.8	42		3.3	42		3.4	42	3.5	42		3.6
		7000	800	43		3.4	43		3.5	43		3.6	43	3.7	43		3.8
			775	43		3.6	43		3.7	43		3.8	42	3.3	42		3.4
			825	43		3.2	43		3.3	43		3.4	43	3.5	43		3.6
		13%	850	43		3.0	43		3.1	43		3.2	43	3.3	43		3.4
		derate	875	43		2.8	43		2.9	43		3.0	43	3.1	43		3.2

*Orifice numbers shown in BOLD are factory installed.

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

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