II. Lubrication, IV. Economizer Adjustment

Fig. 35 Ð Cleaning Condenser Coil

Fig. 36 Ð Propping Up Top Panel

Fig. 37 Ð Separating Coil Sections

D. Filters

Clean or replace at start of each heating and cooling season, or more often if operating conditions require it. Replacement ®lters must be same dimensions as original ®lters.

E. Outdoor-Air Inlet Screens

Clean screens with steam or hot water and a mild detergent. Do not use disposable ®lters in place of screens.

II. LUBRICATION

A. Compressors

Each compressor is charged with the correct amount of oil at the factory.

B. Fan Motor Bearings

Fan motor bearings are of the permanently lubricated type. No further lubrication is required. No lubrication of condenser- or evaporator-fan motors is required.

III.CONDENSER-FAN ADJUSTMENT (Fig. 38)

1.Shut off unit power supply.

2.Remove condenser-fan assembly (grille, motor, motor cover, and fan).

3.Loosen fan hub setscrews.

4.Adjust fan height as shown in Fig. 38.

5.Tighten setscrews.

6.Replace condenser-fan assembly.

	UNIT 581B	FAN HEIGHT
	UNIT 581B	(in.)
		(in.)
	036-060 and,
	072	2.75
	(208/230 V)
	072	3.50
	(460 and 575 V)	3.50
	(460 and 575 V)

Fig. 38 Ð Condenser Fan Adjustment

IV. ECONOMIZER ADJUSTMENT

Refer to Optional Economizer sections on pages 13 and 14.

V. REFRIGERANT CHARGE

Amount of refrigerant charge is listed on unit nameplate (also refer to Table 1). Refer to GTAC2-5 Charging, Recovery, Re- cycling, and Reclamation training manual and the following procedures. Unit panels must be in place when unit is oper- ating during charging procedure.

This unit uses a ®xed ori®ce refrigerant metering device located in the coil header. There is one ori®ce in each coil cir- cuit. The size of the ori®ce is stamped on the outside of the tube where the ori®ce is located. Ori®ces are factory selected for optimum performance and are not designed to be changed in the ®eld. To determine if an ori®ce has become plugged, disconnect power to the evaporator-fan motor and start the unit in cooling. Observe the coil for an uneven frost pattern, indicating a plugged ori®ce.

A. No Charge

Use standard evacuating techniques. After evacuating sys- tem, weigh in the speci®ed amount of refrigerant. (Refer to Table 1.)

Ð29Ð

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.

Bryant 581B II. Lubrication, IV. Economizer Adjustment, Refrigerant Charge

Models: 581B