PHYSICAL DATA (cont)

542J150,180

UNIT 542J

 

150

 

180

OPERATING WT (lb)

 

 

 

 

Unit

 

1615

 

1925

Electric Heat

 

65

 

65

EconoMi$er

 

80

 

80

Roof Curb*

 

200

 

200

COMPRESSOR

 

 

Semi-Hermetic

Model Number (Quantity)

 

06D-328 (1)

 

06D-818 (2)

Cylinders

 

6

 

4

Capacity Staging (%)

 

0,66,100

 

0,50,100

Oil Change (oz)

 

11

 

88 (each)

REFRIGERANT TYPE

 

 

R-22

Charge (lb)

 

 

 

 

System 1

 

26.0

 

16.5

System 2

 

 

16.5

OUTDOOR COIL

 

3/8 in. Enhanced Copper Tubes, Aluminum Lanced or Copper Plate Fins

Rows

 

3

 

3

Fins/in.

 

15

 

15

Total Face Area (sq ft)

 

21.7

 

21.7

OUTDOOR FAN

 

 

Propeller Type, Direct Drive

Nominal Cfm

 

9,000

 

9,000

Number...Diameter (in.)

 

3...22

 

3...22

Motor Hp (1075 Rpm)

 

1/2

 

1/2

Watts Input (Total)

 

1090

 

1090

INDOOR COIL

 

3/8-in. Enhanced Copper Tubes, Aluminum Double Wavy or Copper Plate Fins, Face Split

Rows

 

3

 

3

Fins/in.

 

15

 

15

Total Face Area (sq ft)

 

17.5

 

17.5

INDOOR FAN

 

Centrifugal, Adjustable Pitch Belt Drive

Quantity...Size (in.)

 

2...10 x 10

 

2...12 x 12

Nominal Cfm

 

5000

 

6000

Fan Rpm Range

STD

891-1179

 

817-1038

Motor Nominal Rpm

ALT

1227-1559

 

1082-1303

 

1725

 

1745

Maximum Allowable Rpm

 

1550

 

1550

Motor Pulley Pitch Diameter (in.)

STD

3.1-4.1

 

3.7-4.7

 

ALT

3.7-4.7

 

4.9-5.9

Fan Pulley Pitch Diameter (in.)

STD

6.0

 

7.9

 

ALT

5.2

 

7.9

Belt, Quantity...Type...Length (in.)

STD

1...BX...42

 

1...BX...46

Pulley Center Line Distance (in.)

ALT

1...BX...42

 

1...BX...50

 

13.5-15.5

 

13.3-14.8

Factory Setting

 

3.5

 

3.5

Factory Speed Setting

STD

1035

 

934

Motor Hp (Service Factor)

ALT

1389

 

1199

 

3.7 (1.15)

 

5 (1.15)

Motor Frame Size

 

56H

 

184T

Motor Efficiency

 

0.86

 

0.875

HIGH-PRESSURE SWITCH

 

 

 

 

Cutout (psig)

 

 

426

 

Reset (psig)

 

 

320

 

LOW-PRESSURE/LOSS-OF-CHARGE SWITCH

 

 

 

 

Cutout (psig)

 

 

7

 

Reset (psig)

 

 

22

 

FREEZE PROTECTION THERMOSTAT (F)

 

 

 

 

Opens

 

 

30 ± 5

Closes

 

 

45 ± 5

AIR INLET SCREENS

 

 

Cleanable

Economizer, Quantity...Size (in.)

 

 

2...20 x 25 x 1

 

 

1...20 x 20 x 1

 

 

 

RETURN-AIR FILTERS (Type)

 

10% Efficient — 2-in. Throwaway Fiberglass

Quantity...Size (in.)

 

 

4...20 x 20 x 2

 

 

4...16 x 20 x 2

 

 

 

POWER EXHAUST

 

1/2 Hp 208/230 or 460 V Motor, Direct Drive Propeller Fan (Factory Wired for 460 V)

LEGEND

 

 

 

 

Al — Aluminum

Cu — Copper

*Weight of 14 in. roof curb

542J150,180

103

Page 103
Image 103
Bryant 548F, 549B manual Unit 542J, Std Alt

549B, 548F, 542J specifications

Bryant 542J is a high-efficiency gas furnace that stands out for its reliability and advanced heating technologies. Designed to deliver consistent warmth and comfort in residential settings, it combines innovative engineering with energy-efficient features.

One of the key characteristics of the Bryant 542J is its two-stage heating capability. This means that the furnace can adjust its heat output according to the heating demands of your home. During milder weather, it operates at a lower stage, consuming less energy while still maintaining a comfortable environment. When the temperatures drop, the furnace shifts to its higher capacity, providing the necessary warmth efficiently. This not only enhances comfort but also contributes to lower energy bills.

In addition to its two-stage operation, the Bryant 542J also incorporates a variable-speed blower motor. This technology allows the furnace to adjust the airflow depending on the heating requirements, ensuring an even distribution of warm air throughout the home. The variable-speed blower also operates more quietly than conventional fixed-speed motors, creating a serene indoor environment.

Energy efficiency is a hallmark of the Bryant 542J, boasting an Annual Fuel Utilization Efficiency (AFUE) rating of up to 96.5%. This impressive rating means that a significant portion of the energy consumed is effectively converted into usable heat, resulting in substantial savings on heating costs over time. Furthermore, the furnace is equipped with a sealed combustion system that draws air from outside the home, minimizing energy waste and improving indoor air quality.

Diagnostic features are another highlight of the Bryant 542J, which come equipped with SmartEvap technology. This allows the unit to self-diagnose potential issues, providing homeowners with peace of mind and simplifying maintenance procedures.

Durability is also a key feature of the Bryant 542J. It is constructed with high-quality materials designed to withstand harsh winter conditions, ensuring a long lifespan and reliable performance. Its compact design also allows for flexible installation, making it suitable for various residential layouts.

In summary, the Bryant 542J is more than just a gas furnace; it is a sophisticated heating solution that combines efficiency, comfort, and reliability. With features such as two-stage heating, a variable-speed blower, high AFUE ratings, and advanced diagnostics, it is an excellent choice for homeowners seeking an efficient and effective heating system.