Bryant 581B installation instructions Enthalpy Changeover Set Points

Page 20

85

90

95

100

105

110

(29)

(32)

(35)

(38)

(41)

(43)

CONTROL

CURVE

A

B

C

D

1

8

 

1

6

 

1

4

 

1

2

 

CONTROL POINT

APPROX. °F (°C)

AT 50% RH

73(23)

70(21)

67(19)

63(17)

 

 

 

 

 

 

 

 

 

 

 

 

PO

U

N

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

R

 

 

 

 

 

 

 

 

 

 

 

P

E

32

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

TU

 

 

 

 

 

 

 

 

 

 

 

—

B

 

30

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

LP

Y

28

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

HA

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NT

26

 

 

 

 

 

 

 

 

 

 

E

4

 

 

 

 

 

 

 

 

 

 

 

 

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

2

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

2

0

 

50

(10)

45 D

(7)

40

(4)

35

(2)

 

 

 

 

 

 

IR

 

40

 

 

 

Y

A

3

8

 

 

DR

 

 

 

 

 

 

 

 

 

D

 

 

3

6

 

 

 

 

 

 

 

 

 

 

 

 

3

4

 

 

 

 

 

 

 

 

 

 

 

 

 

 

65

(18)

60

(16)

A

55

(13)B

C

4

4

 

42

70

(21)

1

0

0

 

0

 

9

 

 

 

 

 

 

46

80

(27)

75

(24)

80

70

 

60

50

D C B A

4

0

 

RELA

TIVE

 

3

0

 

HUM

IDITY

 

20

(%

)

 

0 1

HIGH LIMIT

CURVE

35

40

45

50

55

60

65

70

75

80

85

90

95

100

105

110

(2)

(4)

(7)

(10)

(13)

(16)

(18)

(21)

(24)

(27)

(29)

(32)

(35)

(38)

(41)

(43)

APPROXIMATE DRY BULB TEMPERATURE— °F (°C)

Fig. 35 — Enthalpy Changeover Set Points

N1

 

EXH

TR

N

 

Set

 

2V

10V

 

 

 

P1

EXH

 

24

 

 

Vac

 

 

 

P

 

Min

HOT

T1

 

Pos

+

 

 

 

T

Open

 

 

 

 

 

 

DCV

1

 

 

Max

 

 

 

 

2V

10V

 

AQ1

DCV

 

 

 

 

 

AQ

 

DCV

 

SO+

 

Set

3

SO

2V

10V

 

 

 

 

SR+

Free

 

EF

 

Cool

 

 

SR

B

C

 

 

A

D

 

TR1

24Vac

COM

_

2

5

4

EF1

CO2 SENSOR MAX RANGE SETTING

 

6000

 

 

 

 

 

 

(ppm)

5000

 

 

 

 

 

 

 

 

 

 

 

 

 

CONFIGURATION

4000

 

 

 

 

 

800 ppm

 

 

 

 

 

 

3000

 

 

 

 

 

900 ppm

 

 

 

 

 

1000 ppm

 

 

 

 

 

 

2000

 

 

 

 

 

1100 ppm

 

 

 

 

 

 

 

 

 

 

 

 

 

RANGE

1000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

2

3

4

5

6

7

8

 

DAMPER VOLTAGE FOR MAX VENTILATION RATE

Fig. 37 — CO2 Sensor Maximum Range Setting

Fig. 36 — EconoMi$er IV Control

—20—

Page 19 Page 21
Image 20
Page 19 Page 21
Contents Contents Safety ConsiderationsInstallation Provide Unit SupportII. Field Fabricate Ductwork III. Determine Location of Drain Line and External TrapRoof Curb Unit Size Accessory CRRFCURB001A01 CRBTMPWR001A01CRBTMPWR002A01 CRBTMPWR003A01Install Flue Hood VI. Install GAS PipingIV. RIG and Place Unit PositioningUnit Operating Weight 581B 036048 060Physical Data 581B036-072 LOSS-OF-CHARGE SWITCH/LOW-PRESSURE Furnace SectionFreeze Protection Thermostat OUTDOOR-AIR Inlet ScreensBase Unit Dimensions 581B036-072 Field Power Supply Field Control WiringHeat Anticipator Settings Steel Pipe Spacing of Supports Nominal Diameter DimensionPower Wiring Connections Low-Voltage Connections With or Without EconomizerPower Exhaust MCA Mocp FAN MotorDisconnect SIZE† RLA LRA FLA MCA MocpSIZE† FAN Motor SupplyVIII. Adjust FACTORY-INSTALLED Options Disconnect SwitchPerfect Humidity Dehumidification System LPSDamper Panel with Manual Outdoor-Air Damper Installed Manual Outdoor-Air DamperOptional Manual Outdoor-Air Damper With Hood Attached Indoor Coil Access Panel Relocation EconoMi$er IV Standard SensorsBarometric Flow Capacity EconoMi$er IV Sensor Usage Supply Air Sensor Temperature/Resistance ValuesEconoMi$er IV Control Modes Return Air Temperature or Enthalpy Sensor Mounting Location Enthalpy Changeover Set Points Page 581B Fan Rpm at Motor Pulley Setting With High-Static Motor IX. Adjust EVAPORATOR-FAN Speed581B Fan Rpm at Motor Pulley Setting With Standard Motor Phase Continuous BHP Unit Maximum Unit Voltage581B AMP DrawEvaporator-Fan Motor Data High-Static Motors Accessory/FIOP EconoMi$er IV Static Pressure* in. wgOutdoor Sound Power Total Unit 1294 1175 1346 1275 1400 1147 972 12651320 1310 1371 1419 1500 1175 1086 1292666 257 778 367 871 471 952 572 670701 306 810 426 901 540 981 651 7601649 18031470 1784 1967967 563 1008 643805 1049 731Rpm Bhp Watts 900 553 134 782 316 870 417 9481000 582 163 807 358 894 466 971643 234 762 675 277707 326 740 382800 350 904 438 999 535 839 412 938 505 1030 605879 483 974 580 919 561800 350 904 438 999 535 1087 640 753839 412 938 505 1030 605 1115 714 829General FAN Performance Notes VI. Internal Wiring VII. Refrigerant Service PortsPRE-START-UP START-UP Unit PreparationXII. Heating CoolingXI. Main Burners XIII. Safety Relief XV. Operating SequencePerfect Humidity Normal Design Cooling Operation Thermostat Input Economizer Function 581B Unit OperationService Cleaning IV. ECONOMI$ER IV AdjustmentVI. HIGH-PRESSURE Switch VII. LOSS-OF-CHARGE SwitchTo Use Cooling Charging Chart, Standard Unit Low Charge CoolingPerfect Humidity System Charging Unit 581BCooling Charging Chart, Standard 581B036 Condenser FAN Must be Operating XII. Limit Switch XV. Replacement PartsFlue GAS Passageways XI. COMBUSTION-AIR BlowerLOW Heat Units Medium High Heat UnitsCAP OLRCLO CompTroubleshooting Unit Troubleshooting LED Error Code Service AnalysisSymptom Cause Remedy LED OFFHeating Service Analysis Problem Cause RemedyCooling Service Analysis Problem Cause RemedyII. ECONOMI$ER IV Troubleshooting EconoMi$er IV Troubleshooting Completion EconoMi$er IV Input/Output LogicInputs Outputs Demand Control EnthalpyIndex Page START-UP Checklist TemperaturesPreliminary Information III. START-UP Electrical
Related manuals
Manual 40 pages 47.12 Kb Manual 64 pages 44.36 Kb

581B specifications

The Bryant 581B is an innovative and highly efficient gas furnace that stands out in the HVAC market for its remarkable performance, reliability, and advanced features. Designed to provide optimal heating comfort, the Bryant 581B is perfect for homeowners seeking both quality and energy efficiency.

One of the main features of the Bryant 581B is its impressive Annual Fuel Utilization Efficiency (AFUE) rating. With an AFUE rating of up to 80%, this gas furnace maximizes energy usage, ensuring that a significant portion of the fuel is converted into heat for your home. This efficiency not only translates into lower energy bills but also reduces the carbon footprint, making it an environmentally friendly choice.

The furnace is equipped with a multi-speed blower motor that enhances comfort by providing consistent airflow throughout the home. This technology adjusts to different heating demands, ensuring that every room reaches the desired temperature without the discomfort of hot or cold spots. The quiet operation of the blower motor also adds to the overall comfort, creating a peaceful home environment.

Another notable characteristic of the Bryant 581B is its durable construction. It features a robust heat exchanger built from high-quality materials, designed to withstand the rigors of daily use. The compact design of the furnace allows it to fit seamlessly into various spaces, making it an ideal choice for both new installations and replacement projects.

The Bryant 581B also comes with advanced safety features, including a self-diagnostic control board that monitors the system's performance. This feature allows for easy troubleshooting and maintenance, prolonging the life of the furnace. Additionally, the furnace is equipped with an induced draft blower that enhances venting efficiency and safety by ensuring that combustion gases are safely expelled from the home.

For homeowners looking for enhanced control, the Bryant 581B is compatible with a range of smart thermostats, providing the ability to monitor and adjust heating settings remotely. This integration with smart technology ensures that homeowners can maintain their desired comfort levels while maximizing efficiency.

In conclusion, the Bryant 581B gas furnace is a top-tier option that combines efficiency, durability, and modern technology. With its high AFUE rating, multi-speed blower, and advanced safety features, it promises to deliver unparalleled comfort and peace of mind for years to come. Whether for a new build or an upgrade, the Bryant 581B is an investment that pays off in both comfort and savings.
Top Page Image Contents