LEGEND

NOTES:

1.If any of the original wire furnished must be replaced, it must be replaced with type 90 C wire or its equivalent.

2.Three phase motors are protected under primary single phasing conditions.

3.Use copper conductors only.

4.TRAN is wired for 230 v unit. If unit is to be run with 208 v power supply, disconnect BLK wire from 230 v tap (ORN) and connect to 208 v tap (RED). Insulate end of 230 v tap.

C

— Contactor, Compressor

OFM

— Outdoor (Condenser) Fan Motor

CAP

— Capacitor

OLR

— Overload Relay

CLO

— Compressor Lockout

P

— Plug

COMP

— Compressor Motor

PL

— Plug Assembly

EQUIP

— Equipment

QT

— Quadruple Terminal

FPT

— Freeze Up Protection Thermostat

RS

— Rollout Switch

FU

— Fuse

SAT

— Supply Air Temperature Sensor

GND

— Ground

TRAN

— Transformer

HPS

— High-Pressure Switch

 

Field Splice

HS

— Hall-Effect Sensor

 

I

—

Ignitor

 

Marked Wire

IDM

— Induced-Draft Motor

 

IFC

—

Indoor Fan Contactor

 

Terminal (Marked)

IFM

—

Indoor Fan Motor

 

IGC

— Integrated Gas Unit Controller

 

Terminal (Unmarked)

LPS

— Low-Pressure Switch

 

LS

— Limit Switch

 

Terminal Block

MGV

— Main Gas Valve

 

 

 

Splice

Splice (Marked)

Factory Wiring

Field Control Wiring

Field Power Wiring

Accessory or Optional Wiring

To indicate common potential only; not to represent wiring.

Fig. 59 — Typical Wiring Schematic and Component Arrangement (208/230-3-60 Shown)

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Page 43 Page 45
Page 44
Image 44
Bryant 581B installation instructions Cap, Olr, Clo, Comp, Equip, Fpt, Sat, Gnd, Tran, Hps, Idm, Ifc, Igc, Lps, Mgv
Page 43 Page 45

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.
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