LCT

 

ROOF TOP UNIT

 

 

 

R

 

R

 

 

 

C

 

C

 

 

 

Y1

 

Y1

 

 

 

Y2

 

Y2

 

 

 

G

 

G

 

 

 

W1

 

W1

 

 

 

W2

 

W2

CB

 

 

DEHUM

R1

 

 

 

OC

 

PINK

3.2 AMPS

 

 

T STAT WIRES

 

RED

24 V

 

 

 

 

 

 

 

R1

PINK

LTLO

PINK FROM

 

 

 

 

 

 

LEGEND

 

 

 

PERFECT HUMIDITY

CB

Circuit Breaker

 

 

 

SYSTEM LLSV

 

 

 

 

LCT — Light Commercial Thermidistat™ Device

LLSV — Liquid Line Solenoid Valve

LTLO — Low Temperature Lockout

PERFECT HUMIDITY SYSTEM

Fig. 16 — Typical Rooftop Unit with Perfect Humidity™ Dehumidification System with Thermidistat Device

C. Convenience Outlet

An optional convenience outlet provides power for rooftop use. For maintenance personnel safety, the convenience out- let power is off when the unit disconnect is off. Adjacent unit outlets may be used for service tools. An optional “Hot Out- let” is available from the factory as a special order item.

D. Manual Outdoor-Air Damper

The outdoor-air hood and screen are attached to the basepan at the bottom of the unit for shipping.

Assembly:

1.Determine quantity of ventilation required for build- ing. Record amount for use in Step 8.

2.Remove outdoor-air opening panel. Save panels and screws. See Fig. 17.

3.Remove evaporator coil access panel. Separate hood and screen from basepan by removing the 4 screws securing them. Save all screws.

4.Replace evaporator coil access panel.

5.Place hood on front of outdoor-air opening panel. See Fig. 18 for hood details. Secure top of hood with the 4 screws removed in Step 3. See Fig. 19.

6.Remove and save 6 screws (3 on each side) from sides of the manual outdoor-air damper.

7.Align screw holes on hood with screw holes on side of manual outdoor-air damper. See Fig. 18 and 19. Secure hood with 6 screws from Step 6.

8.Adjust minimum position setting of the damper blade by adjusting the manual outdoor-air adjustment screws on the front of the damper blade. See Fig. 17. Slide blade vertically until it is in the appropriate position determined by Fig. 20. Tighten screws.

9.Remove and save screws currently on sides of hood. Insert screens. Secure screens to hood using the screws. See Fig. 19.

OUTDOOR

AIR OPENING

PANEL

3 SCREWS (SIDE)

Fig. 17 — Damper Panel with Manual

Outdoor-Air Damper Installed

Fig. 18 — Outdoor-Air Hood Details

14

Page 14
Image 14
Bryant 581B installation instructions Damper Panel with Manual Outdoor-Air Damper Installed

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.