Bryant 580D manual Altitude COMPENSATION* Ð, Btuh Nominal, Nominal Input, Elevation

PERFORMANCE DATA (cont)

Durablade Economizer Barometric

Relief Damper Characteristics Ð

580D036-150

Parablade Economizer Barometric

Relief Damper Characteristics Ð

580D036-072

Parablade Economizer Barometric

Relief Damper Characteristics Ð

580D090-150

ALTITUDE COMPENSATION* Ð

580D036-072

	72,000 AND 115,000			150,000 BTUH
	BTUH NOMINAL
				NOMINAL INPUT
		INPUT
ELEVATION
(ft)	Natural		Liquid	Natural	Liquid
	Gas		Propane	Gas	Propane
	Ori®ce		Ori®ce	Ori®ce	Ori®ce
	Size²		Size²	Size²	Size²
0-2,000	33		43	30	38
2,000	34		43	30	39
3,000	35		44	31	40
4,000	36		44	32	41
5,000	36		44	33	42
6,000	37		45	34	43
7,000	37		45	35	43
8,000	38		46	36	44
9,000	39		47	37	44
10,000	41		48	38	45
11,000	43		48	39	45
12,000	44		49	40	46
13,000	44		49	41	47
14,000	45		50	42	47

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

²Ori®ces available through your local distributor.

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