Bryant 558D installation instructions Important Ð Read Before Installing, Contents, Installation

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installation, start-up and

558D

service instructions

 

Sizes 036-072

SINGLE PACKAGE ROOFTOP

3 to 6 Tons

 

ELECTRIC HEATING/ELECTRIC COOLING UNITS

 

 

 

IMPORTANT Ð READ BEFORE INSTALLING

1.Read and become familiar with these installation in- structions before installing this unit (see Fig. 1).

2.Be sure the installation conforms to all applicable local and national codes.

3.These instructions contain important information for the proper maintenance and repair of this equipment. Re- tain these instructions for future use.

CONTENTS

Page

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

INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-16 I. Locate the Unit . . . . . . . . . . . . . . . . . . . . . . . 3 II. Unit Duct Connections . . . . . . . . . . . . . . . . . . 3 III. Rig and Place Unit . . . . . . . . . . . . . . . . . . . . . 3 IV. Field Connections . . . . . . . . . . . . . . . . . . . . . 6

PRE-START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17

START-UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17-28 I. Heating Section Start-Up and Adjustments . . . . 17 II. Cooling Section Start-Up and Adjustments . . . . 18 III. Indoor Air¯ow and Air¯ow Adjustments . . . . . . 19

CARE AND MAINTENANCE . . . . . . . . . . . . . . . . . . . 28 I. Air Filter . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28-31

I. Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28

II. Lubrication . . . . . . . . . . . . . . . . . . . . . . . . . . 29

III. Condenser Fan Adjustment . . . . . . . . . . . . . . . 29

IV. Refrigerant Charge . . . . . . . . . . . . . . . . . . . . . 30

V. Replacement Parts . . . . . . . . . . . . . . . . . . . . . 30

TROUBLESHOOTING . . . . . . . . . . . . . . . . . . . . . . 32-35

START-UP CHECKLIST . . . . . . . . . . . . . . . . . . . . . CL-1

SAFETY CONSIDERATIONS

Recognize safety information. This is the safety-alert sym- bol ( ). When you see this symbol on the unit and in in- structions or manuals, be alert to the potential for personal injury.

Understand the signal words Ð DANGER, WARNING, and CAUTION. These words are used with the safety-alert sym- bol. Danger identi®es the most serious hazards which will result in severe personal injury or death. Warning indicates a condition that could result in personal injury. Caution is used to identify unsafe practices which would result in minor personal injury or product and property damage.

Cancels: II 558D-36-4

II 558D-36-5

 

2/1/99

WARNING: Before performing service or mainte- nance operations on unit, turn off main power switch to unit. Electrical shock could cause personal injury.

1.The power supply (volts, phase, and hertz) must corre- spond to that speci®ed on unit rating plate.

2.The electrical supply provided by the utility must be suf- ®cient to handle load imposed by this unit.

3.Refer to Locate the Unit section on page 3 and Fig. 2 for locations of electrical inlets, condensate drain, duct con- nections and required clearances before setting unit in place.

4.This installation must conform with local building codes and with NEC (National Electrical Code) or NFPA (National Fire Protection Association) 54 TIA-54-84-1. Refer to Provincial and local plumbing or wastewater codes and other applicable local codes.

5.Approved for outdoor installation on wood ¯ooring or on class A, B, or C roof covering materials.

INSTALLATION

Unit is shipped in the vertical air¯ow con®guration (see Fig. 1). To convert to horizontal discharge, remove horizontal duct opening covers. Using the same screws, install covers with insulation-side down (facing outside) over vertical duct openings on the unit. Seals around duct openings must be tight.

All units can be connected into existing duct systems that are properly sized and designed to handle an air¯ow of 300 to 500 cfm per each 12,000 Btuh of rated cooling capacity.

NOTE: When installing any accessory item, see the manu- facturer's installation instructions packaged with the acces- sory. A quali®ed installer or agency must use only factory- authorized kits or accessories when modifying this unit.

Fig. 1 Ð Typical Unit

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Contents Contents Important Ð Read Before InstallingSafety Considerations InstallationWeight Durablade Parablade STD Unit Economizer Weight Corner WeightClearance Locate the UnitSlab Mount Horizontal Units Only II. Unit Duct ConnectionsRoof Curb AccessoryUnit Size CRRFCURB001A00Specications IV. Field Connections Maximum Allowable DifferenceExternal Trap Condensate Drain Field Duct ConnectionsInternal Trap Condensate Drain Low-Voltage Connections Typical Component Location Size Electrical DataType RLA LRA FLAMocp HacrNEC RLAOptional Outdoor-Air Damper Installation Accessory InstallationOptional Parablade Economizer Optional Durablade EconomizerHorizontal Durablade Economizer Installation Degree Rotation Outdoor-Air Thermostat Enthalpy Control Installation AT 50% RH Control Control Point Approx CurvePRE-START-UP START-UP Heating Section START-UP and AdjustmentsII. Cooling Section START-UP and Adjustments Fan Rpm at Motor Pulley Settings III. Indoor Airflow and Airflow AdjustmentsDirect Drive Motors Standard Direct Drive Motor Airflow Motor DataESP Alternate Belt Drive Motor Airflow Watts Rpm 1200 542 168 616 221 678 278 739 336 Cfm Rpm Watts1300 576 210 644 263 704 326 764 389 1400 610 252 673 315 732 378 791 441Standard Belt Drive Motor Airflow Ð24Ð 1300 545 189 615 242 680 305 744 368 Watts Rpm 1200 514 158 590 210 657 263 723 315 828 4411400 577 221 642 284 704 347 766 410 1500 609 273 670 326 729 394 788 4621343 1615 1431 1829 1600 693 327 754 388 867 531 Cfm Rpm Watts 1500 658 276 722 337 840 4701350 1645 1424 1921 1700 729 388 787 450 895 593 1364 1676 1432 1931 1800 765 460 821 521Ventilation Sequence Belt Drive MotorsService Cleaning Care and MaintenanceAIR Filter Evaporator CoilII. Lubrication III. CONDENSER-FAN Adjustment FigCompressors Fan-Motor BearingsIV. Refrigerant Charge Replacement PartsCooling Charging Chart 558D036 Cooling Troubleshooting TroubleshootingDamper does not Durablade Economizer TroubleshootingEnthalpy readings Parablade Economizer TroubleshootingLSM AHAMTR CAPPage Page Call for Free Catalog Service TrainingPage Preliminary Information TemperaturesIII. START-UP Electrical Pressures

558D specifications

The Bryant 558D represents a leading-edge model in the realm of advanced heating, ventilation, and air conditioning (HVAC) systems. Designed for both residential and light commercial applications, this unit brings together efficiency, performance, and reliability, making it a go-to choice for homeowners and contractors alike.

One of the standout features of the Bryant 558D is its high-efficiency rating. With SEER (Seasonal Energy Efficiency Ratio) ratings that can reach up to 18, it allows homeowners to enjoy significant savings on electricity bills while maintaining a comfortable indoor environment. The system is powered by advanced compressors that ensure optimal performance across various climate conditions, providing consistent cooling and heating as needed.

In terms of technology, the Bryant 558D incorporates a two-stage cooling system, which allows for better temperature control and humidity management. This technology enhances comfort by preventing the system from frequently starting and stopping, thus reducing wear and tear while extending the unit's lifespan. The variable-speed blower motor further contributes to this efficiency by adjusting its speed to meet the precise needs of the space, ensuring optimal air distribution and comfort.

Durability is another hallmark of the Bryant 558D. The unit is built with high-quality materials, including a galvanized steel cabinet coated with a sleek, weather-resistant finish that protects against rust and environmental wear. Its compact design makes installation seamless, allowing it to fit into various spaces without significant modifications.

The Bryant 558D also features smart technology compatibility, allowing users to integrate it with modern home automation systems. This connectivity provides homeowners with remote control capabilities, enabling them to regulate their home’s temperature via smartphone applications. This not only adds to convenience but also supports energy management strategies, as users can adjust settings based on occupancy and lifestyle patterns.

Finally, noise levels have been an important consideration in the design of the Bryant 558D. With innovative sound-dampening features, the unit operates quietly, making it an ideal choice for residential areas where noise sensitivity is paramount.

Overall, the Bryant 558D stands out as a sophisticated solution for heating and cooling needs, combining energy efficiency, advanced technology, durability, and user-friendly features. It is an excellent investment for those looking to enhance their home comfort while also being mindful of energy consumption.
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