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Bryant 575B, 575C, 541A dimensions Iii. Start-Up, Cooling, Heating

Models: 541A 575B 575C

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III. START-UP

CHECK INDOOR FAN SPEED AND RECORD. _______________

CHECK OUTDOOR FAN SPEED AND RECORD. ________________

AFTER AT LEAST 10 MINUTES RUNNING TIME, RECORD THE FOLLOWING MEASUREMENTS:

		COOLING	HEATING
OIL PRESSURE		__________________	__________________
SUCTION PRESSURE		__________________	__________________
SUCTION LINE TEMP		__________________	__________________
DISCHARGE PRESSURE		__________________	__________________
DISCHARGE LINE TEMP		__________________	__________________
ENTERING OUTDOOR AIR		__________________	__________________
LEAVING OUTDOOR AIR TEMP		__________________	__________________
INDOOR ENTERING-AIR DB (dry bulb) TEMP		__________________	__________________
INDOOR ENTERING-AIR WB (wet bulb) TEMP		__________________	__________________
INDOOR LEAVING-AIR DB TEMP		__________________	__________________
INDOOR LEAVING-AIR WB TEMP		__________________	__________________
COMPRESSOR AMPS (L1/L2/L3)	_______ / _______	/ _______	_______ / _______ / _______

CHECK THE COMPRESSOR OIL LEVEL SIGHT GLASSES; ARE THE SIGHT GLASSES SHOWING OIL LEVEL IN VIEW? (Y/N)

NOTES:

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CUT ALONG DOTTED LINE

CUT ALONG DOTTED LINE

Copyright 2004 Bryant Heating & Cooling Systems

Printed in U.S.A.

10-05A

CL-2

CATALOG NO. 5357-506

Image 28

Bryant 575B, 575C, 541A dimensions Iii. Start-Up, Cooling, Heating

Contents

CONTENTS SAFETY CONSIDERATIONSINSTALLATION I. COMPLETE PRE-INSTALLATIONCHECKS III. Complete Refrigerant PipingFig. 1 - 575B072 Unit Dimensions B. Locate UnitC. Mount Unit BOTTOMFig. 2 - 575C090,120 Unit Dimensions Fig. 3 - 541A180 Unit Dimensions WEIGHT DISTRIBUTIONFig. 4 - Component Locations - 541A180 Shown Page C. Install Filter Driers and Moisture Indicators D. Liquid Line Piping ProcedureIII. COMPLETE REFRIGERANT PIPING CONNECTIONS A. Check Vertical SeparationF. Provide Safety Relief G. Vapor Line Piping ProcedureTable 4 - Refrigerant Specialties Part Numbers Table 5 - Minimum Outdoor AirA. Power Supply B. Power WiringC. Unbalanced 3-PhaseSupply Voltage D. General Wiring Notes See FigControl Transformer Fig. 8 - Wiring Diagram - 575C090,120Table 7 - Electrical Data Page Page Page 541A180/524A-H PRE-START-UP I.PRELIMINARY CHECKSFig. 15A - Compressor Mounting - 575B072 and 575C090,120 UnitsIII. LIQUID LINE SOLENOID IV. ACCUMULATORSTART-UP I. COMPRESSOR ROTATION 575B,C UnitsVII. ADJUST REFRIGERANT CHARGE IV. COMPRESSOR LOCKOUT DEVICEV. PRELIMINARY OIL CHARGE 541A A. Add OilFig. 19A - 575B072 Charging Chart Fig. 19B - 575C090,120 Charging ChartFig. 19C - 541A180 Charging Chart SEQUENCE OF OPERATION I. 575B072 UNITSIII. 541A180 UNITS A. Heating B. CoolingIV. DUPLEX UNITS A. Duplex 575C120 Units with 524A-H240See FigSERVICE I. COMPRESSOR REMOVAL D. Check OperationV. RESTART VI. CAUSES OF COMPLETE UNIT SHUTDOWNIV. 541A180 COOLING MODE OPERATION See Fig V.541A180 HEATING MODE OPERATION See FigVI. CRANKCASE HEATER VII. OUTDOOR UNIT FANSFig. 21 - 575C090,120 Heating Mode Size 090 Shown Fig. 22 - 541A180 Cooling ModeIX. COIL CLEANING AND MAINTENANCE A. Cleaning Standard CoilsB. Cleaning and Maintaining E-CoatedCoils Fig. 23 - 541A180 Heating ModeX. REPLACEMENT PARTS Fig. 25 - Coil Cleaning TypicalFig. 24 - Pivot and Support Top Cover TROUBLESHOOTING CHART - HEATING CYCLE TROUBLESHOOTING CHART - COOLING CYCLE LEGEND Crankcase HeaterThermostatic Expansion Valve CATALOG NOSTART-UPCHECKLIST I. PRELIMINARY INFORMATIONII.PRE-START-UP OUTDOOR UNIT CONTROLSCOOLING III. START-UPHEATING