Bryant manual Multiplication Factors, Outdoor Sound Power Total Unit, 549B, 549C

549B, 549C

PERFORMANCE DATA — 549B, 549C (cont)

ELECTRIC HEATING CAPACITIES — 549B036-120 AND 549C024-060 (cont)

				ACCESSORY	ACCESSORY SINGLE
UNIT	VOLTAGE	ACCESSORY		HEATER
					POINT BOX PART NO.
549B	(60 Hz)		kW	PART NUMBER
					CRSINGLE---A00
				CRHEATER---A00
		7.8/	9.6/10.4	117	007
	208/230/240	12.0/14.7/16.0		110	007
		18.6/22.8/24.8		111	009
	(3 phase)
		24.0/29.4/32.0		112	009
090		31.8/39.0/42.4*		112,117	013
(71/2 Tons)		12.8/13.9		116	006
	460/480	15.2/16.5		113	006
		25.6/27.8		114	008
	(3 phase)
		30.4/33.0		115	008
		38.4/41.7*		114,116	—
		7.8/	9.6/10.4	117	012
	208/230/240	12.0/14.7/16.0		110	012
		18.6/22.8/24.8		111	015
	(3 phase)
		24.0/29.4/32.0		112	015
102		31.8/39.0/42.4*		112,117	017
(81/2 Tons)		12.8/13.9		116	011
	460/480	15.2/16.5		113	011
		25.6/27.8		114	014
	(3 phase)
		30.4/33.0		115	014
		38.4/41.7*		114,116	016
		7.8/	9.6/10.4	117	012
	208/230/240	12.0/14.7/16.0		110	012
		24.0/29.4/32.0		112	015
	(3 phase)
		31.8/39.0/42.4*		112,117	017
120		37.6/46.2/50.0*		112,110	017
(10 Tons)		15.2/16.5		113	011
	460/480	25.6/27.8		114	014
		30.4/33.0		115	014
	(3 phase)
		38.4/41.7*		114,116	016
		46.0/50.0*		115,113	016

*Two heater packages required to provide kW indicated.

NOTES:

1.The rated heater voltage is 240 and 480 v. If power distribution voltage varies from rated heater voltage, heater kW will vary accordingly.

2.To determine heater kW at voltages other than those shown in table, use the following formula: Heater kWnew = Heater kW rated x (unit power distribution voltage/rated heater voltage)2

As an example:

For a 16 kW heater rated at 240 v with a power distribution voltage of 215 v kWnew = 16 kW (215/240)2

kWnew = 12.8 kW (rating at 215 v)

MULTIPLICATION FACTORS

HEATER RATING					ACTUAL HEATER VOLTAGE
VOLTAGE	200	208	230	240	380	440	460	480	550	575	600
240	0.694	0.751	0.918	1.000	—	—	—	—	—	—	—
480	—	—	—	—	0.626	0.840	0.918	1.000	—	—	—
600	—	—	—	—	—	—	—	—	0.840	0.918	1.000

NOTE: The following equation converts kW of heat energy to Btuh:	EXAMPLE: 34 kW (at 230 v) heater on 208 v
kW x 3.413 = Btuh.	= 34.0 (.751 mult factor)
	= 25.5 kW capacity at 208 v.

OUTDOOR SOUND POWER (TOTAL UNIT)

549B,	ARI			OCTAVE BANDS; Lw (A)
	RATING
549C		63	125	250	500	1000	2000	4000	8000
	(decibels)
024,036,048	76	50.8	63.4	62.2	65.9	69.2	65.9	63.0	56.5
060,072	80	57.6	70.2	66.9	71.7	74.7	72.2	67.8	62.4
090	82	62.3	69.3	71.5	74.7	76.2	72.9	68.7	61.5
102	84	64.6	71.1	73.3	76.9	77.6	73.7	70.6	63.7
120	84	64.6	71.1	73.3	76.9	77.6	73.7	70.6	63.7

ARI — Air Conditioning and Refrigeration Institute

Lw (A)— Unit A — Weighted Sound Power Level

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