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Bryant 581A operation manual

Models: 581A

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Table 3 — Fan Motor and Drive Data — Horizontal Supply/Return

			210		240			300
581A		208/230		575 v	208/230	575 v	208/230		575 v
		and 460 v		575 v	and 460 v	575 v	and 460 v		575 v
		and 460 v			and 460 v		and 460 v
LOW RANGE
Motor Hp		3.7		3	5	5	7.5		7.5
Motor Nominal Rpm		1725		1725	1745	1745	1745		1745
Maximum Continuous Bhp		4.25		3.45	5.75	5.75	8.63		8.63
Maximum Continuous Watts		3698		3149	4900	4900	7267		7267
Motor Frame Size		56HZ		56HZ	S184T	184T	S213T		S213T
Motor Shaft Diameter (in.)		7/8		7/8	11/8	11/8	13/8		13/8
Fan Rpm Range		896-1227		863-1141	1113-1414	1113-1414	941-1176		941-1176
Motor Pulley Min. Pitch Diameter (in.)		2.7		3.1	3.7	3.7	4.8		4.8
Motor Pulley Max. Pitch Diameter (in.)		3.7		4.1	4.7	4.7	6.0		6.0
Blower Pulley Pitch Diameter (in.)		5.2		6.2	5.8	5.8	8.9		8.9
Blower Pulley Shaft Diameter (in.)		1.1875		1.1875	1.1875	1.1875	1.1875		1.1875
Blower Pulley Type		Fixed		Fixed	Fixed	Fixed	Fixed		Fixed
Pulley Center Line Distance (in.)		11.293-13.544		11.286-14.475	9.81-13.055	9.81-13.055	9.025-12.179		9.025-12.179
Belt, Quantity...Type...Length (in.)		1...BX...35		1...BX...38	1...BX...35	1...BX...35	1...BX...42		1...BX...42
Speed Change Per Turn — Moveable Pulley (rpm)		66		56	60	60	47		47
Moveable Pulley Maximum Full Turns		6		6	6	6	6		6
Factory Speed Setting (rpm)		1062		1002	1264	1264	1059		1059
HIGH RANGE		5		5	7.5	7.5	10		10
Motor Hp		5		5	7.5	7.5	10		10
Motor Nominal Rpm		1745		1745	1745	1745	1745		1745
Maximum Continuous Bhp		5.75		5.75	8.63	8.63	11.5		11.5
Maximum Continuous Watts		4900		4900	7267	7267	9582		9582
Motor Frame Size		S184T		184T	S213T	S213T	S215T		S215T
Motor Shaft Diameter (in.)		11/8		11/8	13/8	13/8	13/8		13/8
Fan Rpm Range		1113-1414		1042-1285	1096-1339	1096-1339	1014-1297		1014-1297
Motor Pulley Min. Pitch Diameter (in.)		3.7		4.3	5.4	5.4	4.3		4.3
Motor Pulley Max. Pitch Diameter (in.)		4.7		5.3	6.6	6.6	5.5		5.5
Blower Pulley Pitch Diameter (in.)		5.8		7.2	8.6	8.6	7.4		7.4
Blower Pulley Shaft Diameter (in.)		1.1875		1.1875	1.1875	1.1875	1.1875		1.1875
Blower Pulley Type		Fixed		Fixed	Fixed	Fixed	Fixed		Fixed
Pulley Center Line Distance (in.)		9.81-13.055		9.81-13.055	9.025-12.179	9.025-12.179	9.025-12.179		9.025-12.179
Belt, Quantity...Type...Length (in.)		1...BX...35		1...BX...38	1...BX...42	1...BX...42	1...BX...38		1...BX...38
Speed Change per Turn — Moveable Pulley (rpm)		60		48	49	49	57		57
Moveable Pulley Maximum Full Turns		6		6	6	6	6		6
Factory Speed Setting (rpm)		1264		1164	1218	1218	1156		1156

LEGEND

Bhp — Brake Horsepower

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Bryant 581A operation manual

Contents

CONTENTS XI. Step 11 - Position Optional PowerSAFETY CONSIDERATIONS INSTALLATION I. STEP 1 - PROVIDE UNIT SUPPORTC. Installation Onto Curb B. Alternate Unit SupportC. Slab Mount Horizontal Units Only II. STEP 2 - REMOVE SHIPPING RAILSFig. 1 - Roof Curb Details SHIPPING RAILS Fig. 2 - Shipping Rail RemovalFig. 3 - Rigging Details Fig. 4 - Base Unit Dimensions Table 1 - Physical Data Page Page A. Vertical Configuration Fig. 5 - Alignment Hole DetailsFig. 6 - Alignment Hole Location IV. STEP 4 - FIELD FABRICATE DUCTWORKVI. STEP 6 - INSTALL FLUE HOOD AND INLET HOOD VIII. STEP 8 - INSTALL GAS PIPINGFig. 11 - Combustion Fan Housing Location Fig. 9 - Concentric Duct DetailsA. Field Power Supply B. Field Control WiringFig. 12 - Condensate Drain Details Fig. 13 - Condensate Drain Piping DetailsFig. 15 - Field Power Wiring Connections X. STEP 10 - INSTALL OUTDOOR-AIRHOODA. Manual Damper Assembly Fig. 17 - Outdoor-AirHood ComponentPage Page Fig. 19 - Outdoor-AirHood Assembled Fig. 18 - Outdoor-AirHood DetailsFig. 20 - Manual Damper Details Fig. 22 - Bracket and Hood Positioning XIII. STEP 13 - INSTALL ALL ACCESSORIESXII. STEP 12 - NON-FUSEDDISCONNECT III. REFRIGERANT SERVICE PORTS VI. INTERNAL WIRINGPRE-START-UP START-UPVIII. CONDENSER FANS AND MOTORS IX. RETURN-AIRFILTERSX. OUTDOOR-AIRINLET SCREENS XI. GAS HEATPage Page Page Page GENERAL NOTES FOR TABLES Page Page Page Page Table 23 - Power Exhaust Fan Performance Table 25 - Evaporator Fan Motor Specifications Table 24 - Operation Air Quantity LimitsTable 26 - Accessory/FIOP Static Pressure in. wg Table 27 - Fan Rpm at Motor Pulley SettingsXII. OPTIONAL ECONOMI$ER A. EconoMi$er IV Standard SensorsTable 28 - EconoMi$er IV Sensor Usage Fig. 24 - Supply-AirTemperature Sensor LocationFig. 25 - Outdoor-AirTemperature Changeover Set PointsFig. 26 - EconoMi$er IV Wiring Fig. 29 - CO2 Sensor Maximum Range Setting Fig. 27 - Enthalpy Changeover Set PointsLED Locations 13B CTO = Outdoor-AirTemperature OA = Percent of Outdoor AirTR = Return-AirTemperature RA = Percent of Return AirA. Cooling, Units Without Economizer Table 29 - CO2 Sensor Standard SettingsXII. OPERATING SEQUENCE SERVICE I. CLEANINGA. Coil Maintenance and Cleaning Recommendation B. Heating, Units Without EconomizerB.Condensate Drain C. FiltersD. Outdoor-AirInlet Screens E. Main BurnerIII. EVAPORATOR FAN SERVICE AND REPLACEMENT F. Flue Gas PassagewaysG. Combustion-AirBlower II. LUBRICATION A. CompressorsV.BELT TENSION ADJUSTMENT Table 30 - Belt Tension AdjustmentVI. CONDENSER-FANADJUSTMENT Fig Fig. 32 - Evaporator-FanMotor AdjustmentVII. POWER FAILURE C. To Use the Cooling Charging ChartIX. GAS VALVE ADJUSTMENT A. Natural Gas Fig. 35 - Cooling Charging Chart - 581A210 UnitsB.Cleaning and Adjustment X.MAIN BURNERSA.Main Burner Removal Table 31 - Altitude Compensation Natural GasB. High-Pressureand Low-PressureSwitches XV. REPLACEMENT PARTSXVI. DIAGNOSTIC LEDs Fig. 39 - Spark Gap AdjustmentLEGEND Fig. 40 - Low Voltage Control Schematic Fig. 40 - Low Voltage Control Schematic Fig. 41 - Power Schematic Fig. 42 - Component Arrangement TROUBLESHOOTING I. UNIT TROUBLESHOOTING Table 34 - Cooling Service AnalysisTable 36 - IGC Board LED Alarm Codes Table 35 - Heating Service AnalysisFig. 43 - IGC Control Heating and Cooling II.ECONOMI$ER IV TROUBLESHOOTING A. EconoMi$er IV PreparationB. Differential Enthalpy C.Single EnthalpyFig. 44 - EconoMi$er IV Functional View G.EconoMi$er IV Troubleshooting CompletionTable 37 - EconoMi$er IV Input/Output Logic Copyright 2005 Bryant Heating & Cooling Systems CATALOG NOPage Page Page START-UPCHECKLIST ELECTRICALTEMPERATURES PRESSURES