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Bryant 581A operation manual Component Arrangement

Models: 581A

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Fig. 42 — Component Arrangement

Fig. 42 — Component Arrangement

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Bryant 581A operation manual Component Arrangement

Contents

SAFETY CONSIDERATIONS CONTENTSXI. Step 11 - Position Optional Power INSTALLATION I. STEP 1 - PROVIDE UNIT SUPPORTC. Slab Mount Horizontal Units Only C. Installation Onto CurbB. Alternate Unit Support II. STEP 2 - REMOVE SHIPPING RAILSFig. 1 - Roof Curb Details Fig. 3 - Rigging Details Fig. 2 - Shipping Rail RemovalSHIPPING RAILS Fig. 4 - Base Unit Dimensions Table 1 - Physical Data Page Page Fig. 6 - Alignment Hole Location A. Vertical ConfigurationFig. 5 - Alignment Hole Details IV. STEP 4 - FIELD FABRICATE DUCTWORKFig. 11 - Combustion Fan Housing Location VI. STEP 6 - INSTALL FLUE HOOD AND INLET HOODVIII. STEP 8 - INSTALL GAS PIPING Fig. 9 - Concentric Duct DetailsFig. 12 - Condensate Drain Details A. Field Power SupplyB. Field Control Wiring Fig. 13 - Condensate Drain Piping DetailsA. Manual Damper Assembly Fig. 15 - Field Power Wiring ConnectionsX. STEP 10 - INSTALL OUTDOOR-AIRHOOD Fig. 17 - Outdoor-AirHood ComponentPage Page Fig. 20 - Manual Damper Details Fig. 18 - Outdoor-AirHood DetailsFig. 19 - Outdoor-AirHood Assembled XII. STEP 12 - NON-FUSEDDISCONNECT XIII. STEP 13 - INSTALL ALL ACCESSORIESFig. 22 - Bracket and Hood Positioning PRE-START-UP III. REFRIGERANT SERVICE PORTSVI. INTERNAL WIRING START-UPX. OUTDOOR-AIRINLET SCREENS VIII. CONDENSER FANS AND MOTORSIX. RETURN-AIRFILTERS 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 LimitsXII. OPTIONAL ECONOMI$ER Table 26 - Accessory/FIOP Static Pressure in. wgTable 27 - Fan Rpm at Motor Pulley Settings A. EconoMi$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 LED Locations Fig. 29 - CO2 Sensor Maximum Range SettingFig. 27 - Enthalpy Changeover Set Points APPROXIMATE DRY BULB TEMPERATURE- F CTM = Mixed-AirTemperature TO = Outdoor-AirTemperatureTR = Return-AirTemperature OA = Percent of Outdoor AirXII. OPERATING SEQUENCE Table 29 - CO2 Sensor Standard SettingsA. Cooling, Units Without Economizer A. Coil Maintenance and Cleaning Recommendation SERVICEI. CLEANING B. Heating, Units Without EconomizerD. Outdoor-AirInlet Screens B.Condensate DrainC. Filters E. Main BurnerG. Combustion-AirBlower III. EVAPORATOR FAN SERVICE AND REPLACEMENTF. Flue Gas Passageways II. LUBRICATION A. CompressorsVI. CONDENSER-FANADJUSTMENT Fig V.BELT TENSION ADJUSTMENTTable 30 - Belt Tension Adjustment Fig. 32 - Evaporator-FanMotor AdjustmentIX. GAS VALVE ADJUSTMENT A. Natural Gas VII. POWER FAILUREC. To Use the Cooling Charging Chart Fig. 35 - Cooling Charging Chart - 581A210 UnitsA.Main Burner Removal B.Cleaning and AdjustmentX.MAIN BURNERS Table 31 - Altitude Compensation Natural GasXVI. DIAGNOSTIC LEDs B. High-Pressureand Low-PressureSwitchesXV. REPLACEMENT PARTS 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 B. Differential Enthalpy II.ECONOMI$ER IV TROUBLESHOOTINGA. EconoMi$er IV Preparation C.Single EnthalpyTable 37 - EconoMi$er IV Input/Output Logic G.EconoMi$er IV Troubleshooting CompletionFig. 44 - EconoMi$er IV Functional View Copyright 2005 Bryant Heating & Cooling Systems CATALOG NOPage Page Page ELECTRICAL START-UPCHECKLISTTEMPERATURES PRESSURES