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Bryant 581B manual Model Number Nomenclature, FEATURES/BENEFITS cont

Models: 581B

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MODEL NUMBER NOMENCLATURE

FEATURES/BENEFITS (cont)

INDOOR AIR QUALITY (IAQ)

The Quality of Building Air is Improved as the DuraPac Plus series utilizes certain key features that assist in improving indoor air quality. A sloped condensate pan eliminates possible biological growth in the rooftop unit. A face-split evaporator coil (090-150 sizes) design proves effective in removing additional moisture from the supply air. Two-in. filters are standard in all rooftop units and an optional filter status sensor is available.

SERVICEABILITY

Standardized Components for the complete DuraPac Plus line of products are found in all safety devices, condenser-fan motors, evaporator-fan motors, and control boards, while the gas sections use common inducer motors, limit switches, and rollout switches. This allows for greater inventory control, famil- iarity of parts, and fewer stocked parts.

Easily Accessible Refrigerant Access Ports on all discharge, suction, and liquid lines permit easy and accurate measure- ments as well as simple accessibility.

Resettable 24-v Circuit Breaker On 581B090-150 Units allows room for error without replacing transformers or fuses.

Single-Side Utility Connections provide easy access to per- form any necessary service.

Color-Coded Wires permit easy tracing and diagnostics.

Belt-Driven Motors are accessible through a single access door to facilitate servicing and adjusting after installation.

Compressors and Safety Switches are Easily Accessible for

troubleshooting and system analysis.

MODEL NUMBER NOMENCLATURE

581B E V 090 180 N AA

581B – Single Package

High-Efficiency

Gas/Electric Unit

Voltage Designation

E – 460-3-60

J – 208/230-1-60

P – 208/230-3-60

T – 575-3-60

Fuel and Control Type

V– Natural Gas/Direct Spark Ignition

Nominal Tons
036 –	3	090	– 7-1/2
048 –	4	102	– 8-1/2
060 –	5	120	– 10
072 –	6	150	– 12-1/2

Factory-Installed Options*

N – Low NOx Units

Gas Heat Input (Btuh)

072 – 72,000 180 – 180,000

115– 115,000 220 – 224,000

125– 125,000 250 – 250,000

150– 150,000

Low NOx*		California Compliant 3 Phase
060N –	60,000	071	–	72,000
090N –	90,000	114 – 115,000
120N –	120,000	149	–	150,000

*Refer to the Trade Prices for ordering codes of factory-installed options.

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Bryant 581B manual Model Number Nomenclature, FEATURES/BENEFITS cont

Contents

FEATURES/BENEFITS Model 581BCOMMERCIAL SINGLE PACKAGE ROOFTOPFEATURES/BENEFITS cont TABLE OF CONTENTS FEATURES/BENEFITS contMODEL NUMBER NOMENCLATURE FEATURES/BENEFITS contHEATING CAPACITIES AND EFFICIENCIES ARI* CAPACITIESSizes 036-120OnlySize 150 Only OPTIONS AND ACCESSORIES LOW AMBIENT CONTROLSTIME GUARD II CONTROL LIQUID PROPANE CONVERSION KITOPTIONS AND ACCESSORIES cont UNIT MOUNTED DISCONNECTCONVENIENCE OUTLET ECONOMI$EROPTIONS AND ACCESSORIES cont HAIL GUARDACCUSENSOR II ENTHALPY CONTROL COIL GUARD GRILLEPHYSICAL DATA OPERATING WEIGHT lbCOMPRESSOR ScrollPHYSICAL DATA cont HIGH-PRESSURESWITCH psigLOSS-OF-CHARGE SWITCH/LOW-PRESSURESWITCH CleanableOPERATING WEIGHT lb PHYSICAL DATA contCOMPRESSOR ScrollHIGH-PRESSURESWITCH psig SWITCH psigCleanable PHYSICAL DATA contBASE UNIT DIMENSIONS 581B036-072BASE UNIT DIMENSIONS cont 581B090-150ACCESSORY DIMENSIONS — 581B036-072 ACCESSORY DIMENSIONS — 581B090-150 SELECTION PROCEDURE With 581B048 Example PERFORMANCE DATA COOLING CAPACITIESPERFORMANCE DATA cont COOLING CAPACITIES contPERFORMANCE DATA cont 581B090 71/2 TONSPERFORMANCE DATA cont 581B120 10 TONSPERFORMANCE DATA cont 41.3PERFORMANCE DATA cont 69.9PERFORMANCE DATA cont 50.4PERFORMANCE DATA cont 134.3PERFORMANCE DATA cont FAN PERFORMANCE - VERTICAL DISCHARGE UNITSPERFORMANCE DATA cont FAN PERFORMANCE — VERTICAL DISCHARGE UNITS contPERFORMANCE DATA — cont PERFORMANCE DATA cont 581B072 6 TONS — STANDARD MOTORPERFORMANCE DATA cont 581B090 71/2 TONS — STANDARD MOTORPERFORMANCE DATA cont 581B102 81/2 TONS — STANDARD MOTORPERFORMANCE DATA cont 581B120 10 TONS - STANDARD AND HIGH-STATICMOTORPERFORMANCE DATA cont FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITSPERFORMANCE DATA cont FAN PERFORMANCE — HORIZONTAL DISCHARGE UNITS contPERFORMANCE DATA cont AIRFLOWPERFORMANCE DATA cont 581B072 6 TONS — STANDARD MOTORPERFORMANCE DATA cont 581B090 71/2 TONS — STANDARD MOTORPERFORMANCE DATA cont 581B102 81/2 TONS — STANDARD MOTORPERFORMANCE DATA cont 581B120 10 TONS — STANDARD AND HIGH-STATICMOTOROUTDOOR SOUND POWER TOTAL UNIT PERFORMANCE DATA contECONOMIZER STATIC PRESSURE DROP in. wg 581B036-072PERFORMANCE DATA cont EVAPORATOR-FANMOTOR DATA — STANDARD MOTORPERFORMANCE DATA cont EVAPORATOR-FANMOTOR DATA - HIGH-STATICMOTORSDamper Characteristics EconoMi$er Power Exhaust Performance 581B036-072EconoMi$er Power Exhaust Performance 581B090-150 PERFORMANCE DATA contPERFORMANCE DATA cont ALTITUDE COMPENSATIONALTITUDE COMPENSATION ALTITUDE DERATING FACTOR 581B036-150ELECTRICAL DATA ELECTRICAL DATA cont ELECTRICAL DATA cont NOMINALELECTRICAL DATA cont 12.4APPLICATION DATA FEATURES AND BENEFITS APPLICATION DATA cont18.PERFECT HUMIDITY DEHUMIDIFICATION PACKAGE APPLICATION DATA cont Perfect Humidity Dehumidification OptionAPPLICATION DATA cont Pressure Enthalpy CurvePsychrometric Chart 581B072 Shown APPLICATION DATA contPoint — Entering Air F 80 db/67 wbVertical Discharge TYPICAL PIPING AND WIRINGHorizontal Discharge TYPICAL WIRING SCHEMATIC 208/230 V 3-PhaseUnit ShownTYPICAL WIRING SCHEMATIC cont 208/230 V 3-PhaseUnit Shown contTYPICAL WIRING SCHEMATIC cont 581B090-150Typical Wiring SchematicCONTROLS CONTROLS cont PART 1 — GENERAL GUIDE SPECIFICATIONSPART 2 - PRODUCTS GUIDE SPECIFICATIONS cont GUIDE SPECIFICATIONS cont 11. Return-AirTemperature SensorPage SPECIFICATIONS SUBJECT TO CHANGE WITHOUT NOTICE Copyright 2000 Bryant Heating & Cooling SystemsPrinted in U.S.A 12/00