Bryant 524J manual Installation, Start-Up Service Instructions

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524J

PACKAGED AIR-HANDLING UNITS, 60 Hz WITH PURONR (R-410A) REFRIGERANT SIZES 25, 28, 30

Installation, Start-Up

and Service Instructions

TABLE OF CONTENTS

SAFETY CONSIDERATIONS . . . . . . . . . . . . . . . . . . . 1

PRE-INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 2

Moving and Storage . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Rigging . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . 2–18

General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Uncrating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2

Unit Positioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9

Unit Isolation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Refrigerant Piping Access . . . . . . . . . . . . . . . . . . . . 11

Refrigerant Piping . . . . . . . . . . . . . . . . . . . . . . . . . . 11

Condensate Drain . . . . . . . . . . . . . . . . . . . . . . . . . . . 14

Fan Motors and Drives . . . . . . . . . . . . . . . . . . . . . . . 15

Power Supply and Wiring . . . . . . . . . . . . . . . . . . . . 15

Connecting Ductwork . . . . . . . . . . . . . . . . . . . . . . . 17

Return-Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . 17

START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19–32

Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19

Fan Motor Lubrication . . . . . . . . . . . . . . . . . . . . . . . 20

Fan Shaft Bearings . . . . . . . . . . . . . . . . . . . . . . . . . . 20

Centering Fan Wheel . . . . . . . . . . . . . . . . . . . . . . . . 20

Fan Shaft Position Adjustment . . . . . . . . . . . . . . . . 20

Individual Fan Wheel Adjustment . . . . . . . . . . . . . . 21

Fan Belts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Fan Rotation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Fan Pulley Alignment . . . . . . . . . . . . . . . . . . . . . . . 21

Pulley and Drive Adjustment . . . . . . . . . . . . . . . . . . 21

Condensate Drains . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Return-Air Filters . . . . . . . . . . . . . . . . . . . . . . . . . . 21

Coil Removal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

Cleaning Cooling Coil . . . . . . . . . . . . . . . . . . . . . . . 22

Cleaning Insulation . . . . . . . . . . . . . . . . . . . . . . . . . 22

Replacing Filters . . . . . . . . . . . . . . . . . . . . . . . . . . . 22

START-UP CHECKLIST . . . . . . . . . . . . . . . . . . 35-36

SAFETY CONSIDERATIONS

Improper installation, adjustment, alteration, service, maintenance, or use can cause explosion, fire, electrical shock or other conditions which may cause personal injury or property damage. Consult a qualified installer, service agency, or your distributor or branch for information or assistance. The qualified installer or agency must use factory-authorized kits or accessories when modifying this product. Refer to the individual instructions package

Follow all safety codes. Wear safety glasses and work gloves. Use quenching cloths for brazing operations and have a fire extinguisher available. Read these instructions thoroughly and follow all warnings or cautions attached to the unit. Consult local building codes and appropriate national electrical codes (in USA, ANSI/NFPA70, National Electrical Code (NEC); in Canada, CSA C22.1) for special requirements.

It is important to recognize safety information. This is the

safety-alert symbol . When you see this symbol on the unit and in instructions or manuals, be alert to the potential for personal injury.

Understand the signal words DANGER, WARNING, CAUTION, and NOTE. These words are used with the safety-alert symbol. DANGER identifies the most serious hazards which will result in severe personal injury or death. WARNING signifies hazards which could result in personal injury or death. CAUTION is used to identify unsafe practices, which may result in minor personal injury or product and property damage. NOTE is used to highlight suggestions which will result in enhanced installation, reliability, or operation.

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Contents Installation, Start-Up Service Instructions PRE-INSTALLATION 524J***A Physical Data, English Cooling Units 524J***A Physical Data, SI Cooling Units 524J*25H Physical Data, English Heat Pump Units Operating charge kg 524J*25H Physical Data, SI Heat Pump UnitsFins/m 591 138524J*25A Unit Unit Weight524J*25H Lb kg Unit524J*28A 524J*30AModel Number Nomenclature Preferred Suspension Technique Refrigerant Piping Access Holes Face-Split Coil Suction and Liquid Line Piping Typical Unit Coil Type TXV Distributor STD Unit Access Hole no Connection Type CircuitFeeder Tubes PER Distributor NozzleCondensate Drains Fire Hazard Voltage FAN Motor Unit Power SupplyFLA Limits524J Unit Voltage MaximumHolding VA Typical Fan Discharge Connections for Multiple Fan Units IMPORTANT! / Important Manufacturer Lubricant Lubricant DataFan Rotation Remove Filter Retainer Clip Fan Motor Data, Alternate Motor English Fan Motor Data, Standard Motor EnglishFan Motor Data, Alternate Motor SI Fan Motor Data, Standard Motor SIMedium-Static Drive Data, 60 Hz English Standard Drive Data, 60 Hz EnglishMotor Drive FAN DriveStandard Drive Data, 60 Hz SI High-Static Drive Data, 60 Hz EnglishHigh-Static Drive Data, 60 Hz SI Medium-Static Drive Data, 60 Hz SIAirflow Unit External Static Pressure kPa 000 700 728 781 833 885 938 990 Airflow Unit Airflow Pressure Drop FACTORY-SUPPLIED Pressure Drop English524J Catalog No II524J---07 START-UP Checklist Comp A1 Comp B1 Check Voltage Imbalance

524J specifications

The Bryant 524J is a highly efficient and reliable air conditioning system designed for residential use. This model stands out due to its superior performance, innovative technologies, and user-friendly features that cater to the needs of homeowners seeking comfort and energy efficiency.

One of the main features of the Bryant 524J is its impressive SEER (Seasonal Energy Efficiency Ratio) rating. With a high SEER rating, this air conditioner ensures significant energy savings while delivering optimal cooling performance. Homeowners can enjoy a comfortable indoor climate without incurring excessive energy costs, making the 524J an economically smart choice.

The system is equipped with a variable-speed compressor, which allows for precise cooling performance. This technology enables the unit to adjust its cooling output according to the current demand, efficiently maintaining the desired temperature without unnecessary energy consumption. This feature also contributes to quieter operation, enhancing the overall comfort of your home environment.

Another noteworthy characteristic of the Bryant 524J is its compact design. It can be easily installed in limited outdoor spaces, making it an attractive option for homeowners with smaller yards. The durability of the unit is further enhanced by its corrosion-resistant cabinet, ensuring long-lasting performance even in harsh weather conditions.

The 524J also integrates smart technology, allowing users to monitor and control their cooling system remotely. Homeowners can use a mobile app to adjust settings, set schedules, and receive maintenance alerts, providing convenience and flexibility. This feature is particularly beneficial for those who value energy efficiency and want to keep a close eye on their energy expenditure.

In addition to its robust features, the Bryant 524J is designed with sustainability in mind. It utilizes environmentally friendly refrigerants that minimize its impact on the ozone layer. This commitment to eco-friendliness resonates with consumers looking to reduce their carbon footprint while enjoying reliable temperature control.

Overall, the Bryant 524J stands as a top contender in the air conditioning market, offering a blend of efficiency, technology, and durability. Its user-friendly features, energy-efficient operation, and advanced cooling capabilities make it an ideal solution for those seeking maximum comfort in their homes. The combination of these factors positions the Bryant 524J as a wise investment for families looking to enhance their indoor climate without compromising on energy savings.
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