Bryant 315AAV instruction manual Altitude, Range, Btuh/Cu Ft

Table 14 - Orifice Size and Manifold Pressure (In. W.C.) for Gas Input Rate (Con’t.)

(Tabulated Data Based on 22,000 Btuh High-Heat/14,500 Btuh for Low-Heat per Burner, Derated 4 Percent for Each 1000 Ft.

Above Sea Level)

			AVG. GAS				SPECIFIC GRAVITY OF NATURAL GAS
ALTITUDE			HEAT VALUE		0.58			0.60			0.62			0.64
RANGE			AT ALTITUDE	Orifice		Manifold	Orifice		Manifold	Orifice		Manifold	Orifice		Manifold
FT. (M)						Pressure			Pressure			Pressure			Pressure
			(BTUH/CU FT.)	No.			No.			No.			No.
						High/Low			High/Low			High/Low			High/Low
			725	43		3.4/1.5	43		3.5/1.5	43		3.6/1.6	43		3.7/1.6
		5001 to	750	43		3.2/1.4	43		3.3/1.4	43		3.4/1.5	43		3.5/1.5
		6000	775	44		3.4/1.5	44		3.5/1.5	43		3.2/1.4	43		3.3/1.4
			800	44		3.2/1.4	44		3.3/1.4	44		3.4/1.5	44		3.5/1.5
USA		(1524
			825	46		3.8/1.7	45		3.8/1.6	44		3.2/1.4	44		3.3/1.4
		to
			850	46		3.6/1.6	46		3.7/1.6	46		3.8/1.7	45		3.8/1.6
		1829)
			875	47		3.8/1.7	46		3.5/1.5	46		3.6/1.6	46		3.7/1.6
			900	47		3.6/1.6	47		3.8/1.6	46		3.4/1.5	46		3.5/1.5
			AVG. GAS				SPECIFIC GRAVITY OF NATURAL GAS
ALTITUDE			HEAT VALUE		0.58			0.60			0.62			0.64
RANGE				Orifice		Manifold	Orifice		Manifold	Orifice		Manifold	Orifice		Manifold
			AT ALTITUDE
	FT. (M)					Pressure			Pressure			Pressure			Pressure
			(BTUH/CU FT.)	No.			No.			No.			No.
						High/Low			High/Low			High/Low			High/Low
			675	43		3.4/1.5	43		3.5/1.5	43		3.6/1.6	43		3.7/1.6
		6001 to	700	44		3.6/1.6	43		3.3/1.4	43		3.4/1.5	43		3.5/1.5
		7000	725	44		3.4/1.5	44		3.5/1.5	44		3.6/1.6	43		3.2/1.4
USA		(1829	750	45		3.8/1.7	44		3.3/1.4	44		3.4/1.5	44		3.5/1.5
			775	46		3.7/1.6	45		3.7/1.6	45		3.8/1.7	44		3.2/1.4
		to
			800	46		3.5/1.5	46		3.6/1.6	46		3.8/1.6	45		3.7/1.6
		2134)
			825	47		3.7/1.6	46		3.4/1.5	46		3.5/1.5	46		3.6/1.6
			850	47		3.5/1.5	47		3.6/1.6	47		3.8/1.6	46		3.4/1.5
			AVG. GAS				SPECIFIC GRAVITY OF NATURAL GAS
ALTITUDE			HEAT VALUE		0.58			0.60			0.62			0.64
RANGE				Orifice		Manifold	Orifice		Manifold	Orifice		Manifold	Orifice		Manifold
			AT ALTITUDE
	FT. (M)					Pressure			Pressure			Pressure			Pressure
			(BTUH/CU FT.)	No.			No.			No.			No.
						High/Low			High/Low			High/Low			High/Low
			650	44		3.6/1.6	43		3.2/1.4	43		3.4/1.5	43		3.5/1.5
		7001 to	675	44		3.3/1.5	44		3.5/1.5	44		3.6/1.6	43		3.2/1.4
		8000	700	45		3.8/1.6	44		3.2/1.4	44		3.3/1.4	44		3.4/1.5
			725	46		3.7/1.6	46		3.8/1.7	45		3.7/1.6	44		3.2/1.4
USA		(2134
			750	46		3.4/1.5	46		3.6/1.5	46		3.7/1.6	46		3.8/1.6
		to
			775	47		3.6/1.6	47		3.8/1.6	46		3.4/1.5	46		3.6/1.5
		2438)
			800	47		3.4/1.5	47		3.5/1.5	47		3.7/1.6	47		3.8/1.6
			825	48		3.7/1.6	48		3.8/1.6	47		3.4/1.5	47		3.6/1.5
			AVG. GAS				SPECIFIC GRAVITY OF NATURAL GAS
ALTITUDE					0.58			0.60			0.62			0.64
			HEAT VALUE
RANGE				Orifice		Manifold	Orifice		Manifold	Orifice		Manifold	Orifice		Manifold
			AT ALTITUDE
	FT. (M)					Pressure			Pressure			Pressure			Pressure
			(BTUH/CU FT.)	No.			No.			No.			No.
						High/Low			High/Low			High/Low			High/Low
		8001 to	625	44	3.3/1.5		44	3.5/1.5		44	3.6/1.6		43	3.2/1.4
			650	45	3.7/1.6		44	3.2/1.4		44	3.3/1.4		44	3.4/1.5
USA	9000		675	46	3.6/1.6		46	3.8/1.6		45	3.7/1.6		45	3.8/1.7
	(2438		700	47	3.8/1.7		46	3.5/1.5		46	3.6/1.6		46	3.7/1.6
		to	725	47	3.6/1.6		47	3.7/1.6		47	3.8/1.7		46	3.5/1.5
	2743)		750	48	3.8/1.7		47	3.5/1.5		47	3.6/1.6		47	3.7/1.6
			775	48	3.6/1.5		48	3.7/1.6		48	3.8/1.7		47	3.5/1.5
		9001 to	600	45	3.7/1.6		45	3.8/1.7		44	3.3/1.4		44	3.4/1.5
			625	46	3.6/1.6		46	3.7/1.6		46	3.8/1.7		45	3.8/1.6
	10,000
USA			650	47	3.8/1.6		46	3.4/1.5		46	3.6/1.5		46	3.7/1.6
		2743 to	675	47	3.5/1.5		47	3.6/1.6		47	3.7/1.6		46	3.4/1.5
	3048)		700	48	3.7/1.6		48	3.8/1.7		47	3.5/1.5		47	3.6/1.6
			725	48	3.5/1.5		48	3.6/1.6		48	3.7/1.6		48	3.8/1.7

* Orifice numbers 43 are factory installed

315AAV

43