Bryant 548D Electrical Data Units With Electrical Convenience Outlet, Min, 81/2 Tons

Page 9

Table 2B — Electrical Data (Units With Electrical Convenience Outlet)

			VOLTAGE		COMPRESSOR				ELECTRIC HEAT*			POWER SUPPLY				DISCONNECT
UNIT	NOMINAL	IFM	RANGE		(each)		OFM	IFM	ELECTRIC HEAT*			POWER SUPPLY					SIZE†
UNIT	NOMINAL	IFM	RANGE		(each)		OFM	IFM									SIZE†
548D	V-PH-Hz	TYPE	Min	Max	RLA	LRA	FLA	FLA	Nominal	FLA		MCA		MOCP		FLA		LRA
			Min	Max	RLA	LRA			kW**	FLA		MCA		MOCP		FLA		LRA
									kW**
									—	—		43.6/ 43.6		45/ 45††		46/ 46		234/234
									7.8/10.4	21.7/	25.0	70.7/	74.8	80/	80	71/	75	256/259
	208/230-3-60	STD	187	254	13.4	91.0	1.4	5.8	12.0/16.0	33.3/	38.5	85.2/	91.7	90/100		85/	91	267/272ll
									18.6/24.0	51.6/	59.7	108.1/118.2		110/125		106/115		285/294ll
									24.0/32.0	66.6/	77.0	126.8/139.8		150/150		123/135		300/311ll
									31.8/42.4	88.3/102.0		153.9/171.1		175/175		148/164		322/336ll
090									—	—		21.3		25††		23		110
090									13.9	16.7		42.1		45††		42		127
(71/2 Tons)									13.9	16.7		42.1		45††		42		127
(71/2 Tons)	460-3-60	STD	414	508	6.7	42.0	0.7	2.6	16.5	19.8		46.0		50††		45		130
	460-3-60	STD	414	508	6.7	42.0	0.7	2.6	27.8	33.4		63.0		70		61		143
									27.8	33.4		63.0		70		61		143
									33.0	39.7		70.9		80		68		150
									41.7	50.2		84.0		90		80		160ll
	575-3-60	STD	518	632	5.4	39.0	0.7	2.6	—	—		17.1		20††		18		99
	575-3-60	STD	518	632	5.4	39.0	0.7	2.6	17.0	17.1		38.5		40††		38		116
									34.0	34.1		59.7		60††		57		133
									—	—		49.4/ 49.4		50/ 50††		52/ 52		326/326
									7.8/10.4	21.7/	25.0	76.5/	80.7	80/	90	77/	81	348/351ll
	208/230-3-60	STD	187	254	14.4	103.0	1.4	5.8	12.0/16.0	33.3/	38.5	91.0/	97.5	100/100		91/	96	359/364ll
									18.6/24.0	51.6/	59.7	113.9/124.0		125/125		112/121		377/386ll
									24.0/32.0	66.6/	77.0	132.7/145.7		150/150		129/141		392/403ll
									31.8/42.4	88.3/102.0		159.8/176.9		175/200		154/170		414/428ll
102									—	—		24.9		25††		26		164
102									13.9	16.7		45.7		50††		45		181
(81/2 Tons)									13.9	16.7		45.7		50††		45		181
(81/2 Tons)	460-3-60	STD	414	508	7.2	52.5	0.7	2.6	16.5	19.8		49.6		50††		49		184
	460-3-60	STD	414	508	7.2	52.5	0.7	2.6	27.8	33.4		66.6		70		65		197
									27.8	33.4		66.6		70		65		197
									33.0	39.7		74.5		80		72		204
									41.7	50.2		187.6		90		84		214ll
	575-3-60	STD	518	632	6.0	44.0	0.7	2.6	—	—		19.3		20††		20		137
	575-3-60	STD	518	632	6.0	44.0	0.7	2.6	17.0	17.1		40.7		45††		40		154
									34.0	34.1		62.0		70		60		171
									—	—		52.1/ 52.1		60/ 60††		55/ 55		300/300
									7.8/10.4	21.7/	25.0	79.2/	83.4	80/	90	80/	84	322/325ll
		STD	187	254	17.2	124.0	1.4	5.8	12.0/16.0	33.3/	38.5	93.7/100.2		100/110		93/	99	333/338ll
									24.0/32.0	66.6/	77.0	135.4/148.4		150/150		132/144		366/377ll
									31.8/42.4	88.3/102.0		162.5/179.6		175/200		157/172		388/402ll
	208/230-3-60								37.6/50.0	104.4/120.3		182.6/172.4		200/200		175/193		404/420ll
	208/230-3-60								—	—		53.8/ 53.8		60/ 60††		57/ 57		319/319
									—	—		53.8/ 53.8		60/ 60††		57/ 57		319/319
									7.8/10.4	21.7/	25.0	80.9/	85.1	90/	90	82/	86	341/344ll
		ALT	187	254	17.2	124.0	1.4	7.5	12.0/16.0	33.3/	38.5	95.4/101.9		100/110		93/101		352/357ll
									24.0/32.0	66.6/	77.0	137.1/150.1		150/175		134/145		385/396ll
									31.8/42.4	88.3/102.0		164.2/181.3		175/200		158/174		407/421ll
									37.6/50.0	104.4/120.3		184.3/174.1		200/200		177/195		423/439ll
									—	—		25.5		30††		27		145
									16.5	19.8		50.3		60††		50		165
		STD	414	508	8.6	59.6	0.7	2.6	27.8	33.4		67.3		80		65		178
120		STD	414	508	8.6	59.6	0.7	2.6	33.0	39.7		75.2		80		73		185
120									33.0	39.7		75.2		80		73		185
(10 Tons)									41.7	50.2		88.3		90		85		195ll
	460-3-60								50.0	60.1		85.6		90		96		205ll
	460-3-60								—	—		26.3		30††		28		185
									—	—		26.3		30††		28		185
									16.5	19.8		51.1		60††		51		204
		ALT	414	508	8.6	59.6	0.7	3.4	27.8	33.4		68.1		70		66		218
		ALT	414	508	8.6	59.6	0.7	3.4	33.0	39.7		76.0		80		73		224
									33.0	39.7		76.0		80		73		224
									41.7	50.2		89.1		90		85		235ll
									50.0	60.1		86.4		90		97		245ll
									—	—		20.5		20††		22		120
		STD	518	632	6.9	49.4	0.7	2.6	17.0	17.1		41.8		45††		41		137
		STD	518	632	6.9	49.4	0.7	2.6	34.0	34.1		63.1		70		61		154
									34.0	34.1		63.1		70		61		154
	575-3-60								51.0	51.2		71.7		80		80		171ll
	575-3-60								—	—		21.1		20††		22		151
									—	—		21.1		20††		22		151
		ALT	518	632	6.9	49.4	0.7	3.4	17.0	17.1		42.5		45††		42		168
		ALT	518	632	6.9	49.4	0.7	3.4	34.0	34.1		63.7		70		62		185
									34.0	34.1		63.7		70		62		185
									51.0	51.2		72.3		80		81		202ll

NOTE: Legend and Notes for Electrical Data are on page 10.

—9—

Image 9

Contents Safety Considerations ContentsInstallation Provide Unit SupportRoof Curb Details II. Field Fabricate Ductwork III. Install Condensate Drain Line and External TrapIV. RIG and Place Unit PositioningUnit MAX Dimensions Weight Base Unit Dimensions Unit Size 548D Physical DataMake Electrical Connections Field Power Supply575-3-60 460-3-60SIZE† Electrical Data Units Without Electrical Convenience OutletType RLA LRA FLAElectrical Data Units With Electrical Convenience Outlet Min81/2 Tons FLA VI. Adjust FACTORY-INSTALLED Options Unit Voltage 208/230 460 575Stage Durablade Economizer Installation Durablade Economizer Damper Minimum Position Setting EconoMi$er Component Locations Rear EconoMi$er Flange Installation EconoMi$er Wiring Wiring Diagram for Power Exhaust System Default Potentiometer Settings VII. Adjust INDOOR-FAN SpeedChangeover Set Points Typical Belt-Drive Motor Mounting for Size Indoor-Fan Motor Performance Fan Rpm at Motor Pulley SettingsUnit INDOOR-FAN Maximum Acceptable Continuous BHPStandard Motor Belt Drive Fan Performance 548D090 Vertical Discharge UnitsFan Performance 548D102 Vertical Discharge Units 548D120 10 Tons Standard and Alternate Motors Belt Drive Fan Performance 548D120 Vertical Discharge UnitsFan Performance 548D090 Horizontal Discharge Units Fan Performance 548D102 Horizontal Discharge Units Standard and Alternate Motors Belt Drive Fan Performance 548D120 Horizontal Discharge UnitsVI. Refrigerant Service Ports Internal WiringPRE-START-UP START-UP Unit PreparationXII. Safety Relief IX. Adjust GAS InputCooling XI. HeatingCooling, Units With EconoMi$er Service CleaningDefrost Indoor CoilII. Lubrication Refrigerant Charge IV. Economizer AdjustmentCooling Charging Chart 548D102 Troubleshooting Heating and Cooling TroubleshootingProblem Cause Remedy IFC Durablade Economizer TroubleshootingIFO OATEconoMi$er operation limited Damper does not openTo minimum position Damper positionTypical Wiring Diagram Must Voltage Page Temperatures START-UP ChecklistPreliminary Information III. START-UP Electrical

548D specifications

The Bryant 548D heat pump stands out in the HVAC market for its robust performance, energy efficiency, and advanced technology. Known for its reliability, this particular model is designed to provide optimal heating and cooling for both residential and light commercial applications.

One of the standout features of the Bryant 548D is its variable-speed compressor, which allows for precise temperature control and enhances comfort levels in any environment. This technology enables the 548D to operate efficiently at different speeds, adjusting its output based on the heating or cooling demand. As a result, homeowners can enjoy consistent temperature regulation without the wide fluctuations typical of single-stage systems.

In addition to the variable-speed compressor, the Bryant 548D utilizes advanced refrigerant technology. It employs the environmentally friendly Puron refrigerant, which not only improves the unit's efficiency but also reduces its carbon footprint. This makes the 548D a sustainable choice for those looking to minimize their environmental impact while still enjoying superior heating and cooling performance.

Another key characteristic of the Bryant 548D is its impressive energy efficiency rating, often exceeding the minimum requirements set by the Department of Energy. With a high Seasonal Energy Efficiency Ratio (SEER) for cooling in warmer months and an excellent Heating Seasonal Performance Factor (HSPF), the 548D minimizes energy consumption while maximizing comfort.

The 548D also features Quiet Operation technology, ensuring that the system runs quietly in the background without disrupting daily activities. This is particularly beneficial for light commercial spaces or homes where noise can be a concern. The sleek design and compact size make the unit easy to install in various settings without occupying excessive space.

Furthermore, Bryant incorporates advanced smart technology within the 548D model. The system can be integrated with smart thermostats, allowing users to monitor and control their heating and cooling settings remotely. This feature not only enhances convenience but also enables homeowners to program their systems for maximum efficiency.

In conclusion, the Bryant 548D heat pump is an exceptional choice for those seeking a reliable, efficient, and technologically advanced heating and cooling solution. Its combination of variable-speed compression, eco-friendly refrigerant, high energy efficiency, and quiet operation positions it well in the competitive HVAC market, making it a top choice for both residential and light commercial applications. By investing in the Bryant 548D, consumers can enjoy superior comfort and lower energy bills year-round.