Bryant
581B
installation instructions
Install
Field Control Wiring
Symptom Cause Remedy
IV. ECONOMI$ER IV Adjustment
Phase Continuous BHP
Checklist
Weight
XV. Replacement Parts
Safety
Power Exhaust MCA Mocp
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Contents
Provide Unit Support
Contents
Safety Considerations
Installation
III. Determine Location of Drain Line and External Trap
II. Field Fabricate Ductwork
CRBTMPWR003A01
Roof Curb Unit Size Accessory CRRFCURB001A01
CRBTMPWR001A01
CRBTMPWR002A01
Positioning
Install Flue Hood
VI. Install GAS Piping
IV. RIG and Place Unit
060
Unit Operating Weight
581B 036
048
Physical Data 581B036-072
OUTDOOR-AIR Inlet Screens
LOSS-OF-CHARGE SWITCH/LOW-PRESSURE
Furnace Section
Freeze Protection Thermostat
Base Unit Dimensions 581B036-072
Steel Pipe Spacing of Supports Nominal Diameter Dimension
Field Power Supply
Field Control Wiring
Heat Anticipator Settings
Low-Voltage Connections With or Without Economizer
Power Wiring Connections
RLA LRA FLA MCA Mocp
Power Exhaust MCA Mocp
FAN Motor
Disconnect SIZE†
FAN Motor Supply
SIZE†
LPS
VIII. Adjust FACTORY-INSTALLED Options
Disconnect Switch
Perfect Humidity Dehumidification System
Manual Outdoor-Air Damper
Damper Panel with Manual Outdoor-Air Damper Installed
Optional Manual Outdoor-Air Damper With Hood Attached
EconoMi$er IV Standard Sensors
Indoor Coil Access Panel Relocation
Barometric Flow Capacity
Supply Air Sensor Temperature/Resistance Values
EconoMi$er IV Control Modes
EconoMi$er IV Sensor Usage
Return Air Temperature or Enthalpy Sensor Mounting Location
Enthalpy Changeover Set Points
Page
IX. Adjust EVAPORATOR-FAN Speed
581B Fan Rpm at Motor Pulley Setting With Standard Motor
581B Fan Rpm at Motor Pulley Setting With High-Static Motor
AMP Draw
Phase Continuous BHP
Unit Maximum Unit Voltage
581B
Accessory/FIOP EconoMi$er IV Static Pressure* in. wg
Outdoor Sound Power Total Unit
Evaporator-Fan Motor Data High-Static Motors
1292
1294 1175 1346 1275 1400 1147 972
1265
1320 1310 1371 1419 1500 1175 1086
760
666 257 778 367 871 471 952 572
670
701 306 810 426 901 540 981 651
1967
1649
1803
1470 1784
1049 731
967 563
1008 643
805
807 358 894 466 971
Rpm Bhp Watts 900 553 134
782 316 870 417 948
1000 582 163
740 382
643 234 762
675 277
707 326
919 561
800 350 904 438 999 535
839 412 938 505 1030 605
879 483 974 580
829
800 350 904 438 999 535 1087 640
753
839 412 938 505 1030 605 1115 714
General FAN Performance Notes
START-UP Unit Preparation
VI. Internal Wiring
VII. Refrigerant Service Ports
PRE-START-UP
Cooling
XI. Main Burners
XII. Heating
XV. Operating Sequence
XIII. Safety Relief
Thermostat Input Economizer Function 581B Unit Operation
Perfect Humidity Normal Design Cooling Operation
VII. LOSS-OF-CHARGE Switch
Service Cleaning
IV. ECONOMI$ER IV Adjustment
VI. HIGH-PRESSURE Switch
Unit 581B
To Use Cooling Charging Chart, Standard Unit
Low Charge Cooling
Perfect Humidity System Charging
Cooling Charging Chart, Standard 581B036
Condenser FAN Must be Operating
XI. COMBUSTION-AIR Blower
XII. Limit Switch
XV. Replacement Parts
Flue GAS Passageways
Medium High Heat Units
LOW Heat Units
Comp
CAP
OLR
CLO
LED OFF
Troubleshooting Unit Troubleshooting
LED Error Code Service Analysis
Symptom Cause Remedy
Problem Cause Remedy
Heating Service Analysis
Problem Cause Remedy
Cooling Service Analysis
II. ECONOMI$ER IV Troubleshooting
Demand Control Enthalpy
EconoMi$er IV Troubleshooting Completion
EconoMi$er IV Input/Output Logic
Inputs Outputs
Index
Page
III. START-UP Electrical
START-UP Checklist
Temperatures
Preliminary Information
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