Table 6 — Fan Rpm at Motor Pulley Settings*

UNIT

 

 

 

 

MOTOR PULLEY TURNS OPEN

 

 

 

 

 

558F

0

1/2

1

11/2

2

21/2

3

31/2

4

41/2

5

51/2

6

090,091†

840

815

790

765

740

715

690

665

635

615

590

090,091**

935

910

885

860

835

810

785

760

735

710

685

090,091††

1080

1025

1007

988

970

952

933

915

897

878

860

102,103†

935

910

885

860

835

810

785

760

735

710

685

102,103††

1080

1025

1007

988

970

952

933

915

897

878

860

120,121†

935

910

885

860

835

810

785

760

735

710

685

120,121***

1085

1060

1035

1010

985

960

935

910

885

860

835

120,121††

1130

1112

1087

1062

1037

1012

987

962

937

912

887

862

830

150,151†

1080

1060

1035

1015

990

970

950

925

905

880

860

150,151***

1130

1112

1087

1062

1037

1012

987

962

937

912

887

862

830

*Approximate fan rpm shown.

†Indicates standard motor and drive package.

**Indicates alternate drive package only. ††Indicates high-static motor and drive package.

***Indicates alternate motor and drive package.

Table 7 — Evaporator-Fan Motor Efficiency

MOTOR

EFFICIENCY (%)

558F090-121

80

558F150,151

87

NOTE: Convert bhp to watts using the following formula:

watts =

bhp (746)

motor efficiency

Table 8 — Accessory/FIOP Static Pressure* (in. wg)

COMPONENT

 

 

 

 

CFM

 

 

 

 

 

2250

2500

3000

3500

4000

 

4500

5000

5500

6000

6250

 

 

1 Heater Module

0.02

0.03

0.05

0.07

0.08

 

0.10

0.12

0.14

0.16

0.17

2 Heater Modules

0.03

0.05

0.07

0.09

0.12

 

0.14

0.16

0.19

0.21

0.20

Vertical EconoMi$er IV

0.06

0.075

0.115

0.15

0.195

 

0.25

0.325

Horizontal EconoMi$er IV

0.10

0.15

0.21

0.275

 

0.34

LEGEND

FIOP — Factory-Installed Option

*The static pressure must be added to external static pressure. The sum and the evaporator entering-air cfm should then be used in con- junction with the Fan Performance tables to determine blower rpm and watts.

32

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Bryant 558F Fan Rpm at Motor Pulley Settings, Evaporator-Fan Motor Efficiency, Accessory/FIOP Static Pressure* in. wg

558F specifications

The Bryant 558F is a highly efficient and versatile gas furnace designed to provide reliable heating for residential spaces. Known for its exceptional performance and advanced technology, the 558F caters to homeowners looking for comfort, efficiency, and sustainability in their heating solutions.

One of the primary features of the Bryant 558F is its two-stage heating capability. This system allows the furnace to operate at different levels of output, optimizing energy consumption based on the heating demands of the home. By operating at a lower stage most of the time, the 558F can maintain consistent indoor temperatures while using less energy, leading to reduced utility bills.

The furnace is also equipped with aVariable Speed ECM blower motor. This feature provides enhanced air distribution and comfort by allowing for more precise control over airflow. The variable speed operation ensures that the furnace can adjust to the heating needs of the space without the constant on-off cycling, promoting quieter operation and better efficiency.

In terms of efficiency ratings, the Bryant 558F boasts an impressive Annual Fuel Utilization Efficiency (AFUE) rating of up to 96%. This high rating indicates that the furnace converts a significant portion of its fuel into usable heat, making it an environmentally friendly choice. With lower greenhouse gas emissions, homeowners not only benefit from cost savings but also contribute to reducing their carbon footprint.

Additionally, the furnace incorporates advanced combustion technology, including a durable heat exchanger designed for longevity and efficiency. This component is vital for maximizing heat transfer while minimizing heat loss, contributing to the overall performance of the unit.

The Bryant 558F is compatible with the manufacturer's Infinity System control, providing homeowners with a user-friendly interface to manage their heating system effectively. This compatibility allows for the integration of smart home technology, enabling remote access and programmable settings for added convenience.

Installation and maintenance of the Bryant 558F are straightforward, thanks to its compact design and thoughtful layout. Homeowners can find peace of mind knowing that service and upkeep are manageable, prolonging the life of the furnace.

In summary, the Bryant 558F gas furnace combines efficiency, advanced technology, and reliability to provide exceptional indoor comfort. With its two-stage heating, variable speed blower motor, and high AFUE rating, the 558F stands out as an optimal heating solution for modern homes seeking both performance and sustainability.