Bryant 574D----A User Manual (English)

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574D----A

LEGACYt 13 SEER

SINGLE--PACKAGED AIR CONDITIONER AND GAS FURNACE SYSTEM

WITH PURONR (R--410A) REFRIGERANT SINGLE AND THREE PHASE

2 TO 5 NOMINAL TONS (SIZES 24--60)

Product Data

A09034

Fig. 1 -- Unit 574D---- A

Single-- Packaged Products with Energy--Saving Features and

PuronR refrigerant.

S Up to 13.5 SEER

S Up to 80 .4% AFUE

S Factory--Installed TXV

S ECM Motor--Standard

S Direct Spark Ignition

S Low Sound Levels

S Dehumidification Feature

FEATURES/BENEFITS

One-- piece heating and cooling units with low sound levels, easy

installation, low maintenance, and dependable performance.

Puron Environmentally Sound Refrigerant is Bryant’s unique

refrigerant designed to help protect the environment. Puron is an

HFC refrigerant which does not contain chlorine that can harm the

ozone layer. Puron refrigerant is in service in millions of systems,

proving highly reliable, environmentally sound performance.

Easy Installation

Factory--assembled package is a compact, fully self--contained,

combination gas heating/electric cooling unit that is prewired,

pre--piped, and pre-- charged for minimum installation expense.

These units are available in a variety of standard and optional

heating/ cooling size combinations with voltage options to meet

residential and light commercial requirements. Units are

lightweight and install easily on a rooftop or at ground level. The

high tech composite base eliminates rust problems associated with

ground level applications.

Innovative Unit Base Design

On the inside a high--tech composite material will not rust and

incorporates a sloped drain pan which improves drainage and helps

inhibit mold, algae and bacterial growth. On the outside metal base

rails provide added stability as well as easier handling and rigging.

Convertible duct configuration

Unit is designed for use in either downflow or horizontal

applications. Each unit can be converted from horizontal to

downflow and includes horizontal duct covers. Downflow

operation is provided in the field to allow vertical ductwork

connections. The basepan seals on the bottom openings to ensure a

positive seal in the vertical airflow mode.

Efficient operation High--efficiency design offers SEER

(Seasonal Energy Efficiency Ratios) of up to 13.5 and AFUE

(Annual Fuel Utilization Ef ficiency) ratings as high as 80.4%.

Energy--saving, direct spark ignition saves gas by operating only

when the room thermostat calls for heating. Standard units are

furnished with natural gas controls. A low--cost field installed kit

for propane conversion is available for all units.

Low NOx units are designed for California installations. These

models meet the California maximum oxides of nitrogen (NOx)

emissions requirement of 40 nanograms/joule or less as shipped

from the factory and MUST be installed in California Air Quality

Management Districts and wherever a Low NOx rule exists.

Durable, dependable components Compressors are designed

for high efficiency. Each compressor is hermetically sealed against

contamination to help promote longer life and dependable

operation. Each compressor also has vibration isolation to provide

quieter operation. All compressors have internal high pressure and

overcurrent protection.

Monoport inshot burners produce precise air-- to-- gas mixture,

which provides for clean and efficient combustion. The large

monoport on the inshot (or injection type) burners seldom, if ever,

requires cleaning. All gas furnace components are accessible in one

compartment.

Turbo--tubulart heat exchangers are constructed of aluminized

steel for corrosion resistance and optimum heat transfer for

improved efficiency. The tubular design permits hot gases to make

multiple passes across the path of the supply air.

In addition, dimples located on the heat exchanger walls force the

hot gases to stay in close contact with the walls, improving heat

transfer .

ECM Motor is standard on all 574D---- A models.

Direct--drive PSC (Permanent Split Capacitor) condenser--fan

motors are designed to help reduce energy consumption and

provide for cooing operation down to 40_F(4.4_C) outdoor

temperature. Motormasterr II low ambient kit is available as a

field--installed accessory.

Thermosta tic Expansion Valve -- A hard shutoff, balance port

TXV maintains a constant superheat at the evaporator exit (cooling

cycle) resulting in higher overall system efficiency.

Refrigerant system is designed to provide dependability . Liquid

filter driers are used to promote clean, unrestricted operation. Each

unit leaves the factory with a full refrigerant charge. Refrigerant

service connections make checking operating pressures easier.

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Bryant 574D----A Specifications

General

Brand	Bryant
Model	574D----A
Category	Air Conditioner
Language	English

Summary

Product Data

FEATURES/BENEFITS

Key advantages and components of the unit, including Puron refrigerant and easy installation.

Innovative Unit Base Design

Details the unique construction of the unit base, focusing on drainage and stability.

Convertible Duct Configuration

Explains the flexibility in duct connection orientation for various installations.

Efficient Operation

Highlights energy efficiency ratings and the direct spark ignition system.

Durable Components

Covers compressor and burner design for longevity and reliable operation.

Puron Environmentally Sound Refrigerant

Details the eco-friendly refrigerant used and its environmental benefits.

Easy Installation

Explains the benefits of the factory-assembled design for simplified installation.

Low Sound Ratings

Mentions quiet operation ratings ensuring a pleasant indoor and outdoor environment.

Easy Service Cabinets

Describes the accessibility for maintenance through multiple removable panels.

Model Number Nomenclature

Type of Unit Identification

Explains the initial coding for unit type (e.g., packaged gas heating/electric cooling).

Major Series Specification

Details cooling capacity and electrical supply coding for major series.

Minor Series and Variations

Covers heating input, brand, and optional features in the minor series.

AHRI Capacities

Cooling Capacities and Efficiencies

Provides SEER, EER, and net cooling capacities for different unit sizes.

Gas Heating Capacities and Efficiencies

Lists heating input, output, and AFUE ratings for various models.

Sound Power Levels

Presents octave band sound pressure levels (dBA) for different units.

Physical Data

Unit Size and Weight

Lists nominal cooling capacity, heating input, and shipping weights.

Refrigerant and Coil Specifications

Details refrigerant quantity and coil dimensions (rows, fins/in., face area).

Fan and Blower Specifications

Provides data for outdoor and indoor fans/blowers (CFM, diameter, motor HP).

Furnace Section Details

Lists burner orifice, pressure switch, and filter specifications.

Options and Accessories

Coil and Compressor Options

Describes alternative coil types and compressor start kits for single-phase units.

Economizer and Filter Rack

Details economizer controls and filter rack options for vertical applications.

Conversion and Transition Kits

Lists kits for fuel conversion and duct transitions.

Low Ambient and Grille Options

Covers low ambient kits for low-temperature operation and outdoor coil grilles.

Economizer and Airflow Accessories

Economizer Installation Details

Illustrates vertical and horizontal economizer setups and components.

Filter Rack Assembly

Shows the construction and installation of the filter rack.

Manual Outside Air Damper

Depicts the installation of the manual air damper for outdoor air intake.

Unit Dimensions - 574D--A24-36

Dimensional Data Table

Provides detailed measurements for unit sizes 24-36, including weights and CG.

Unit Views and Clearances

Shows top, front, side, and rear views with clearance requirements.

Unit Dimensions - 574D--A42-60

Dimensional Data Table

Provides detailed measurements for unit sizes 42-60, including weights and CG.

Unit Views and Clearances

Shows top, front, side, and rear views with clearance requirements.

Accessory Dimensions

Roof Curb Dimensions

Details dimensions for small/common and large roof curbs for installation.

Unit Placement on Curb

Illustrates how units are positioned on common curbs for proper fit.

Selection Procedure

Determine Cooling Requirements

Step 1: Identify design cooling conditions (TC, SHC, temp).

Select Unit Based on Cooling

Step 2: Choose unit using cooling capacity tables and CFM.

Select Unit Based on Heating

Step 3: Choose unit for design heating requirement using capacity tables.

Determine Fan Speed and Power

Step 4: Calculate static pressure and select fan settings.

Select Unit Based on Power Source

Step 5: Match unit to available electrical supply (voltage, phase, Hz).

Performance Data - 574D--A24

Cooling Performance (A24)

Cooling performance tables showing capacity, kW, and EWB for the 24-ton unit.

Performance Data Legend and Notes

Explains abbreviations and provides important notes for performance data.

Performance Data - 574D--A30

Cooling Performance (A30)

Cooling performance tables showing capacity, kW, and EWB for the 30-ton unit.

Performance Data - 574D--A36

Cooling Performance (A36)

Cooling performance tables showing capacity, kW, and EWB for the 36-ton unit.

Performance Data - 574D--A42

Cooling Performance (A42)

Cooling performance tables showing capacity, kW, and EWB for the 42-ton unit.

Performance Data - 574D--A48

Cooling Performance (A48)

Cooling performance tables showing capacity, kW, and EWB for the 48-ton unit.

Performance Data - 574D--A60

Cooling Performance (A60)

Cooling performance tables showing capacity, kW, and EWB for the 60-ton unit.

Performance Data Notes

Cooling Data Legend

Defines abbreviations used in performance data tables (e.g., EWB, SHC, TC).

Cooling Performance Formulas

Provides formulas for calculating sensible capacity and enthalpy.

Cooling Performance Considerations

Explains factors affecting performance ratings like fan heat and frost.

Dry Coil Air Delivery - Horizontal Discharge

Air Delivery for 574D--A24-60 (Horizontal)

Tables showing CFM, heating rise, and motor specs for horizontal discharge units.

Dry Coil Air Delivery - Horizontal Discharge

Air Delivery for 574D--A24-60 (Horizontal)

Tables showing CFM, heating rise, and motor specs for horizontal discharge units.

Dry Coil Air Delivery - Horizontal Discharge

Air Delivery for 574D--A24-60 (Horizontal)

Tables showing CFM, heating rise, and motor specs for horizontal discharge units.

Dry Coil Air Delivery - Horizontal Discharge

Air Delivery for 574D--A24-60 (Horizontal)

Tables showing CFM, heating rise, and motor specs for horizontal discharge units.

Dry Coil Air Delivery - Horizontal Discharge

Air Delivery for 574D--A24-60 (Horizontal)

Tables showing CFM, heating rise, and motor specs for horizontal discharge units.

Dry Coil Air Delivery - Horizontal Discharge

Air Delivery for 574D--A24-60 (Horizontal)

Tables showing CFM, heating rise, and motor specs for horizontal discharge units.

Dry Coil Air Delivery - Horizontal Discharge