Bryant 581J Install Flue Hood, Install Gas Piping, Economizer Hood and Two-Position Hood

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4.Carefully lift the hood assembly (with metal tray) through the filter access opening and assemble per the steps outlined in Economizer Hood and Two–Position Hood, below.

Economizer Hood and Two-Position Hood —

NOTE: If the power exhaust accessory is to be installed on the unit, the hood shipped with the unit will not be used and must be discarded. Save the aluminum filter for use in the power exhaust hood assembly.

1.The indoor coil access panel will be used as the top of the hood. Remove the screws along the sides and bot- tom of the indoor coil access panel. See Fig. 11.

each hood side. The hood divider is also used as the bottom filter rack for the aluminum filter.

5.Open the filter clips which are located underneath the hood top. Insert the aluminum filter into the bottom filter rack (hood divider). Push the filter into position past the open filter clips. Close the filter clips to lock the filter into place. See Fig. 13.

6.Caulk the ends of the joint between the unit top panel and the hood top.

7.Replace the filter access panel.

TOP

PANEL

 

TOP

 

PANEL

 

CAULK

 

HERE

INDOOR

INDOOR

COIL

COIL

DIVIDER

OUTSIDE

AIR

HOOD

CLEANABLE

ALUMINUM FILTER

FILTER

BAROMETRIC

RELIEF

581J

FILTER

CLIP

ACCESS

 

 

ACCESS

PANEL

 

 

PANEL

 

 

 

 

Fig. 11 - Indoor Coil Access Panel RelocationC06025

Fig. 13 - Economizer Filter Installation

Step 9 — Install Flue Hood

C08634

2.Swing out indoor coil access panel and insert the hood sides under the panel (hood top). Use the screws provided to attach the hood sides to the hood top. Use screws provided to attach the hood sides to the unit. See Fig. 12.

Flue hood is shipped screwed to the basepan beside the burner compartment access panel. Remove from shipping location and using screws provided, install flue hood and screen in location shown in Fig. 14.

LEFT

 

HOOD

 

SIDE

19 1/16”B

 

 

(483mm)

TOP

PANEL

INDOOR COIL

ACCESS PANEL

SCREW

33 3/8”

(848mm)

HOOD DIVIDER

BLOWER

ACCESS

PANEL

C07081

Fig. 14 - Flue Hood Details

Step 10 — Install Gas Piping

Fig. 12 - Economizer Hood Construction

C06026

Installation of the gas piping must be accordance with local building codes and with applicable national codes. In U.S.A., refer to NFPA 54/ANSI Z223.1 National Fuel

3.Remove the shipping tape holding the economizer barometric relief damper in place (economizer only).

4.Insert the hood divider between the hood sides. See Fig. 12 and 13. Secure hood divider with 2 screws on

Gas Code (NFGC). In Canada, installation must be accordance with the CAN/CSA B149.1 and CAN/CSA B149.2 installation codes for gas burning appliances.

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Contents Installation Instructions Safety Considerations Unit Dimensional Drawing Sizes Unit Dimensional Drawing Sizes 07-09 Unit Dimensional Drawing Size Unit Dimensional Drawing Size 12 Plan for Unit Location Operating WeightsRoof Mount Units LB KGInspect Unit Plan for Sequence of Unit InstallationProvide Unit Support Roof Curb Details Sizes Roof Curb Details Size Field Fabricate Ductwork MAX Weight Dimensions UnitRig and Place Unit Install Outside Air Hood Ductwork when requiredConvert to Horizontal and Connect Positioning on CurbInstall Gas Piping Install Flue HoodEconomizer Hood and Two-Position Hood Natural Gas Supply Line Pressure Ranges Steel Pipe Spacing of Supports Nominal Diameter DimensionUnit Model Unit Size MIN MAX Gas Line Piping Condensate Drain Pan Side View Install External Condensate Trap and LineUnits Without Factory-Installed Disconnect Field Power SupplyMake Electrical Connections All UnitsConvenience Outlet Location Weatherproof Cover InstallationUnits without Thru-Base Connections Field Control WiringThermostat Unit Connect Primary TransformerField Control Wiring Raceway Heat Anticipator Settings Perfect Humidity Space RH Controller Perfect Humidityt Control ConnectionsTo connect a field-supplied humidistat To connect the Edge Programmable Thermidistat T6-PRH01-AOAT RRS RTU Open Multi-Protocol Control Board RTU Open Control SystemRTU Open System Control Wiring Diagram C11070 RTU Open Controller Inputs and Outputs Supply Air Temperature SAT SensorField Connections Space Temperature SPT SensorsEconoMi$er2 IAQ Sensor SEN J4-2 COM J4-3 24 VAC Relative Humidity Sensors Space or Duct Mounted Space Relative Humidity Sensor Typical WiringConnecting Discrete Inputs Duct Relative Humidity Sensor Typical WiringGeneral Communication Wiring ProtocolsProtocol DS8 DS7 DS6 DS5 DS4 DS3 DS2 DS1 Baud Rate DS2 DS1RTU Open Troubleshooting Local AccessLEDs Outdoor Air Enthalpy Control PNO 33CSENTHSWLEDs on the RTU Open show the status of certain functions Differential Enthalpy ControlSmoke Detectors WiringReturn Air Enthalpy Sensor SystemSmoke Detector Locations See Completing Installation of Return Air SmokeSupply Air Return Air Detector Shipping Position Unit Wire/Fuse or Hacr Breaker Sizing Data Hacr FLA LRA Brkr Unit NOM IFM Combustion Power No P.EUnbalanced 3-Phase Supply Voltage Install Accessories Adjust Factory-Installed OptionsEconoMi$er IV Occupancy Switch Smoke Detectors
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581J specifications

The Bryant 581J is a high-efficiency gas furnace that exemplifies advanced heating technology and innovative design. Known for its reliability and comfort, the Bryant 581J offers impressive performance features that cater to both residential and commercial heating needs. One of its standout characteristics is the two-stage heating system, which allows the furnace to operate at a lower stage when the heating demand is modest, providing improved comfort and energy efficiency. This feature also minimizes temperature fluctuations, ensuring a more consistent and comfortable indoor environment.

Energy efficiency is a critical aspect of the Bryant 581J. With an annual fuel utilization efficiency (AFUE) rating of up to 96%, this furnace is designed to convert a high percentage of fuel into usable heat, which helps homeowners save on energy bills. The high-efficiency design also contributes to a reduced carbon footprint, aligning with modern environmental concerns.

The Bryant 581J is equipped with technologically advanced features, including the ComfortTech™ control system. This system enables enhanced temperature regulation and integrates easily with smart home systems, allowing homeowners the convenience of remote control through smartphones and tablets. Additionally, the furnace includes an electronically commutated motor (ECM) blower, which optimizes airflow and reduces energy consumption while enhancing the overall comfort level within the space.

Noise reduction is another key characteristic of the Bryant 581J. The furnace is engineered with sound-dampening technology, resulting in quieter operation compared to conventional furnaces. This attention to noise management makes it an appealing choice for residential applications, where peace and tranquility are crucial.

The durable construction of the Bryant 581J ensures longevity and reliability. With a robust cabinet and quality materials, it is built to withstand the rigors of daily operation. Furthermore, the furnace comes with a warranty that provides peace of mind, protecting the investment over the years.

Overall, the Bryant 581J represents a blend of efficiency, advanced technology, and reliable performance. With its high AFUE rating, innovative features, and quiet operation, it stands out in the market as a top choice for anyone seeking a dependable heating solution. Whether for new installations or replacements, the Bryant 581J is designed to meet the heating demands of today's energy-conscious homeowners.
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