Bryant PREFERRED 581J User Manual

581J
GAS HEAT/ELECTRIC COOLING
PACKAGED ROOFTOP
3 to 8.5 NOMINAL TONS
Product Data
TM
C10405
the environmentally sound refrigerant
C10222
Manufacturer reserves the right to discontinue, or change at any ti me, specifications or designs without notice and without incurring obligations.
E2010 Bryant Heating & Coo ling Systems D 7310 W. Morris St. D Indianapolis, IN 46231 Printed in U.S.A. Edition Date: 4/10
Replaces: NEW
Catalog No.PDS581J---01

Bryant PREFERRED 581J Specifications

General

Refrigerant	R-410A
Energy Efficiency	High
Sound Level	72 dB
Operating Voltage (VAC)	208/230
Phase	1

Summary

Product Data

FEATURES AND BENEFITS

MODEL NUMBER NOMENCLATURE

FACTORY OPTIONS AND/OR ACCESSORIES

CURBS & WEIGHTS DIMENSIONS

OPTIONS & ACCESSORY WEIGHTS

APPLICATION DATA

Cooling Operation Limits

Specifies ambient temperature limits for cooling operations.

Heating Operation Limits

Details mixed air temperature requirements for heating.

Airflow Requirements

Defines airflow limits for safe and reliable unit operation.

Special Application Considerations

Covers propane and high altitude heating considerations.

ROOFTOP SIZING AND LOW AMBIENT APPLICATIONS

SELECTION PROCEDURE

Load Calculation and Initial Sizing

Calculating building loads and estimating initial unit size.

Capacity and Load Comparison

Comparing unit capacities to calculated building loads.

Performance Parameter Calculation

Calculating static pressure, motor heat, and heating capacity.

Component and Electrical Selection

Selecting options, gas heater, and determining electrical requirements.

ECONOMIZER, BAROMETRIC RELIEF AND PE PERFORMANCE

ELECTRICAL INFORMATION

MCA/MOCP

TYPICAL WIRING DIAGRAMS

SEQUENCE OF OPERATION

Units with No Economizer

Describes cooling/heating sequence for units without an economizer.

Units with Economizer

Details economizer control logic for cooling and heating.

GUIDE SPECIFICATIONS