Table 36 — Start-Up Mode Sequence

TIME

LED 1/DS1 (RED)

LED 2/DS2 (YELLOW)

LED 3/DS3 (GREEN)

LED 4/DS4 (GREEN)

0-1.0 SEC

OFF

OFF

OFF

OFF

1-1.5 SEC

FLASH ½ SEC

OFF

OFF

OFF

1.5-2.0 SEC

OFF

FLASH ½ SEC

OFF

OFF

2.0-2.5 SEC

OFF

OFF

FLASH ½ SEC

OFF

2.5-3.0 SEC

OFF

OFF

OFF

FLASH ½ SEC

LED — Light-Emitting Diode

Table 37 — Configuration Variables (Read and Setup Modes)

NO.

SETUP POINTS

UNITS

MINIMUM

MAXIMUM

FACTORY

INC

 

COMMENTS

(viewable and adjustable)

VALUE

VALUE

SETTING

 

 

 

 

 

 

1

Supply Air Temperature Setpoint

F

40 F

65 F

55 F

1 F

Leaving Air Temperature Control Point

2

Occupied Minimum Economizer

%

Item 15 +1%

100%

15%

1%

Min Econo Position (occupied mode)

Position

 

 

 

 

 

 

 

 

3

Unoccupied Minimum Economizer

%

1%

100%

5%

1%

Min Econo Position (unoccupied mode)

Position

 

 

 

 

 

 

 

 

4

Economizer Maximum Position

%

1%

100%

100%

1%

Maximum Econo Position

5

Economizer Type

—

1

3

2

1

1

= Vent Only, 2 = Proportional,

3

= 3 Position

 

 

 

 

 

 

 

6

Economizer Changeover Type

—

1

5

2

1

1

= Switch, 2 = Outdoor Dry Bulb,

 

 

 

 

 

 

 

3

= Diff Dry Bulb, 4 = Outdoor Enthalpy,

 

 

 

 

 

 

 

5

= Diff Enthalpy

7

Economizer Changeover Setpoint

F

45 F

70 F

65 F

1 F

For Outdoor Changeover

(mode 2)

 

 

 

 

 

 

 

 

8

Economizer Changeover Setpoint

—

1

4

1

1

Outdoor Enthalpy Changeover Setpoint

 

(mode 3)

 

 

 

 

 

1

= A, 2 = B, 3 = C, 4 = D

9

No. of compressors

—

1

4

2

1

1, 2, 3, or 4

10

Compressor Sequencing

—

1

4

1

1

1

= DC-Sensible, 2 = DC-Latent,

3

= LAT-Sensible, 4 = LAT-Latent

 

 

 

 

 

 

 

11

Power Exhaust Stage 1 Activation

%

1%

Item 12 -5%

25%

1%

Economizer Position

12

Power Exhaust Stage 2 Activation

%

Item 11 +1%

100%

50%

1%

Economizer Position (> stage 1)

13

Unoccupied Configuration

—

1

3

3

1

1

= No Unoccupied Cooling,

 

 

 

 

 

 

 

2

= Unoccupied Free Cooling,

 

 

 

 

 

 

 

3

= Unoccupied Free & Mech Cooling

14

Compressor Lockout Temperature

—

1 F

65 F

45 F

1 F

Compressor Operation

15

IAQ Min Economizer Position

%

1%

Item 2 +1%

5%

1%

Min IAQ Position for VOC Emissions

Setpoint

 

 

 

 

 

 

 

 

16

IAQ Enable

—

1

2

1

1

1

= Disabled, 2 = Enabled

17

Outdoor IAQ Reference

PPM/10

1 PPM/10

100 PPM/10

40 PPM/10

1 PPM/10

Outdoor Reference IAQ Level

18

IAQ Lower Limit Control Point

PPM/10

1 PPM/10

Item 19 -1

60 PPM/10

1 PPM/10

Differential Lower Limit Indoor

 

Differential

 

 

PPM/10

 

 

IAQ Level

19

IAQ Upper Limit Control Point

PPM/10

Item 18 +1

200 PPM/10

140 PPM/10

1 PPM/10

Differential Upper Limit Indoor

 

Differential

 

PPM/10

 

 

 

IAQ Level

20

1st Most Recent Error/Reset

—

1

8

—

—

Used in Setup Mode to Reset Alarms

21

2nd Most Recent Error (read only)

—

1

8

—

—

Not Displayed in Setup Mode

22

3rd Most Recent Error (read only)

—

1

8

—

—

Not Displayed in Setup Mode

23

4th Most Recent Error (read only)

—

1

8

—

—

Not Displayed in Setup Mode

24

5th Most Recent Error (read only)

—

1

8

—

—

Not Displayed in Setup Mode

LEGEND

DC — Direct Control

IAQ — Indoor Air Quality

LAT — Leaving Air Temperature Compensated Control VOC — Volatile Organic Compounds

NOTE: The accessibility of these channels will be as follows: READ MODE — All channels will be accessible.

SETUP MODE — Only channels 1-20 will be accessible and 20 will be used to reset alarms.

Table 38 — Input/Output Channels

NO.

I/O POINTS

UNITS

MINIMUM VALUE

MAXIMUM VALUE

INC

COMMENTS

1

C1 Output

—

Off

On

—

Compressor 1

2

C2 Output

—

Off

On

—

Compressor 2

3

C3 Output

—

Off

On

—

Compressor 3/Power Exhaust 2

4

C4 Output

—

Off

On

—

Compressor 4/Power Exhaust 1

5

Economizer Damper Output

%

1 F

100 F

1%

Damper Commanded Position

6

Supply Air Temperature

F

1 F

150 F

1 F

Supply Air Temperature

7

Outdoor Air Temperature

F

1 F

150 F

1 F

Outdoor Air Temperature

8

Return Air Temperature

F

1 F

150 F

1 F

Return Air Temperature

9

Indoor Relative Humidity

%

1%

100%

1%

Return Air Relative Humidity

10

Outdoor Relative Humidity

%

1%

100%

1%

Outdoor Air Relative Humidity

11

Indoor Air Quality

PPM

1 PPM/10

200 PPM/10

10 PPM

Indoor Air Quality (/10)

12

Remote Minimum Position

%

1%

100%

1%

Remote Minimum Pot Position

13

Y1 Status

—

Open

Close

—

Thermostat Y1 Status

14

Y2 Status

—

Open

Close

—

Thermostat Y2 Status

15

G Status

—

Open

Close

—

Indoor Fan Status

16

Occ Status

—

Open

Close

—

Remote Occupied Status

NOTE: The accessibility of these channels will be as follows:

READ MODE — All channels will be accessible for reading.

ADJUST MODE — Only channels 1-5 will be accessible.

MANUAL MODE — Only channels 1-5 will be accessible.

—41—

Page 40 Page 42
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Image 41
Bryant 580F Start-Up Mode Sequence, Configuration Variables Read and Setup Modes, Input/Output Channels
Page 40 Page 42

580F specifications

The Bryant 580F is a highly regarded gas furnace known for its exceptional heating performance and advanced technology. Designed for residential use, this model stands out for its reliability, efficiency, and user-friendly features that cater to modern heating demands.

One of the most notable features of the Bryant 580F is its efficiency rating. With an AFUE (Annual Fuel Utilization Efficiency) rating of up to 95%, this furnace maximizes heat output while minimizing energy consumption. This high level of efficiency not only results in lower utility bills but also reduces the environmental impact—a critical consideration for today’s eco-conscious homeowners.

The Bryant 580F is equipped with a multi-speed blower that ensures consistent airflow and enhances comfort by maintaining even temperatures throughout the home. This technology allows the furnace to adjust its operation based on the heating needs, leading to quieter operation and increased comfort levels.

In terms of construction, the Bryant 580F is built with durable materials that promise longevity and resilience against wear and tear. Its compact design makes installation easier, allowing it to fit into tight spaces without compromising its performance.

One of the standout technologies integrated into the Bryant 580F is its enhanced control system. The furnace works seamlessly with smart thermostats, allowing homeowners to monitor and adjust heating settings from their mobile devices. This feature not only provides convenience but also allows for energy-saving optimizations based on personal schedules and preferences.

Safety is also a primary concern with the Bryant 580F. It includes robust safety features such as a hot surface ignition system that eliminates the need for a standing pilot light, reducing the risk of gas leaks. Additionally, advanced diagnostics help in troubleshooting and maintenance, ensuring that potential issues can be identified and resolved quickly.

In conclusion, the Bryant 580F gas furnace is a remarkable choice for those seeking a blend of efficiency, comfort, and advanced technology. Its high AFUE rating, multi-speed blower, smart control compatibility, and safety features make it a reliable option for homeowners looking to invest in a dependable heating solution. As the demand for energy-efficient heating continues to grow, the Bryant 580F stands out as a model that meets and exceeds expectations in the modern heating landscape.
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