Bryant 583A manual High Altitude Compensation, Natural GAS only, Input Output Orifice, NUMBER²

PERFORMANCE DATA (cont)

HIGH ALTITUDE COMPENSATION

NATURAL GAS ONLY

ORIFICE CONVERSION Ð 3.5 in. wg MANIFOLD PRESSURE*

ALTITUDE (ft)	INPUT	OUTPUT	ORIFICE
	(Btuh)	(Btuh)	NUMBER²
	40,000	32,040	#44
	60,000	47,040	#38
0-2000	90,000	71,910	#38
	115,000	93,265	#33
	130,000	104,390	#31
	33,290	27,130	#49
	49,930	40,690	#43
2001-4500	74,900	61,040	#43
	95,700	78,000	#38
	108,180	88,170	#36
	31,310	25,520	#50
	46,970	38,280	#44
4501-6000	70,450	57,420	#44
	90,020	73,370	#40
	101,760	82,930	#37

*As the height above sea level increases, there is less oxygen per cubic ft of air. Therefore heat input rate should be reduced at higher altitudes.

²Ori®ces available through your distributor.

LIQUID PROPANE ONLY

ORIFICE CONVERSION Ð 3.5 in. wg MANIFOLD PRESSURE*

ALTITUDE (ft)	INPUT	OUTPUT	ORIFICE
	(Btuh)	(Btuh)	NUMBER²
	40,000	33,200	#50
	57,000	47,310	#46
0-2000	85,500	70,965	#46
	115,000	95,450	#42
	127,000	105,410	#41
	33,290	27,630	#53
	47,430	39,370	#50
2001-4500	71,150	59,050	#50
	95,700	79,430	#45
	105,690	87,720	#44
	31,310	25,990	NOT TO BE USED
			ABOVE 4500 FT
4501-6000	44,620	37,030	#51
	66,930	55,550	#51
	90,020	74,720	#47
	99,140	82,510	#45

*As the height above sea level increases, there is less oxygen per cubic ft of air. Therefore, heat input rate should be reduced at higher altitudes.

²Ori®ces available through your distributor.

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