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Bryant 581A Start-Upchecklist, Electrical, Temperatures, Pressures, General, I. Pre-Start-Up

Models: 581A

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START-UP CHECKLIST

START-UP CHECKLIST

MODEL NO.: ___________________________________________	SERIAL NO.: ______________________________________________
DATE: _________________________________________________	TECHNICIAN:_____________________________________________

I. PRE-START-UP:

VERIFY THAT ALL PACKING MATERIALS HAVE BEEN REMOVED FROM UNIT

VERIFY INSTALLATION OF OUTDOOR AIR HOOD

VERIFY INSTALLATION OF FLUE EXHAUST AND INLET HOOD

VERIFY THAT CONDENSATE CONNECTION IS INSTALLED PER INSTRUCTIONS

VERIFY THAT ALL ELECTRICAL CONNECTIONS AND TERMINALS ARE TIGHT

VERIFY GAS PRESSURE TO UNIT GAS VALVE IS WITHIN SPECIFIED RANGE

CHECK GAS PIPING FOR LEAKS

CHECK THAT INDOOR-AIR FILTERS ARE CLEAN AND IN PLACE

CHECK THAT OUTDOOR AIR INLET SCREENS ARE IN PLACE

VERIFY THAT UNIT IS LEVEL

CHECK FAN WHEEL AND PROPELLER FOR LOCATION IN HOUSING/ORIFICE, AND VERIFY SETSCREW IS TIGHT

VERIFY THAT FAN SHEAVES ARE ALIGNED AND BELTS ARE PROPERLY TENSIONED

VERIFY THAT SCROLL COMPRESSORS ARE ROTATING IN THE CORRECT DIRECTION

VERIFY INSTALLATION OF THERMOSTAT

VERIFY THAT CRANKCASE HEATERS HAVE BEEN ENERGIZED FOR AT LEAST 24 HOURS

CUT ALONG DOTTED LINE

II. START-UP

ELECTRICAL
SUPPLY VOLTAGE	L1-L2				L2-L3				L3-L1
COMPRESSOR AMPS — COMPRESSOR A1					L1				L2		L3
	— COMPRESSOR B1				L1				L2		L3
	— COMPRESSOR C1				L1				L2		L3
	(210,240 ONLY)
SUPPLY FAN AMPS	___________
TEMPERATURES
OUTDOOR-AIR TEMPERATURE					F DB (Dry Bulb)
RETURN-AIR TEMPERATURE					F DB				F WB (Wet Bulb)
COOLING SUPPLY AIR					F
GAS HEAT SUPPLY AIR					F

PRESSURES
GAS INLET PRESSURE		IN. WG
GAS MANIFOLD PRESSURE STAGE NO. 1		IN. WG	STAGE NO. 2		IN. WG
REFRIGERANT SUCTION CIRCUIT A		PSIG
CIRCUIT B		PSIG
CIRCUIT C		PSIG (210,240 ONLY)
REFRIGERANT DISCHARGE CIRCUIT A		PSIG
CIRCUIT B		PSIG
CIRCUIT C		PSIG (210,240 ONLY)

VERIFY REFRIGERANT CHARGE USING CHARGING CHARTS ON PAGE 40

GENERAL

ECONOMIZER MINIMUM VENT AND CHANGEOVER SETTINGS TO JOB REQUIREMENTS

CUT ALONG DOTTED LINE

Copyright 2005 Bryant Heating & Cooling Systems

CL-1

Printed in U.S.A.

CATALOG NO. 04-53581005-01

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Bryant 581A operation manual Start-Upchecklist, Electrical, Temperatures, Pressures, General, I. Pre-Start-Up, Ii. Start-Up

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 SensorsFig. 24 - Supply-AirTemperature Sensor Location Fig. 25 - Outdoor-AirTemperature ChangeoverTable 28 - EconoMi$er IV Sensor Usage Set PointsFig. 26 - EconoMi$er IV Wiring Fig. 29 - CO2 Sensor Maximum Range Setting Fig. 27 - Enthalpy Changeover Set PointsLED Locations APPROXIMATE DRY BULB TEMPERATURE- F CTO = Outdoor-AirTemperature TR = Return-AirTemperatureTM = Mixed-AirTemperature OA = Percent of Outdoor 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 TEMPERATURESELECTRICAL PRESSURES