Bryant 548J manual ECONOMIZER, Barometric Relief and PE Performance, 2000 1000

Page 46

ECONOMIZER, BAROMETRIC RELIEF AND PE PERFORMANCE

 

2500

 

 

 

 

 

 

(CFM)

2000

 

 

 

 

 

 

 

 

 

 

 

 

 

FLOW

1500

 

 

 

 

 

 

 

 

 

 

 

 

 

RELIEF

1000

 

 

 

 

 

 

500

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

0

0.05

0.1

0.15

0.2

0.25

0.3

RETURN DUCT STATIC PRESSURE (in. wg)

Horizontal Economizers

3-6 Ton

7.5-8.5 Ton

 

2500

 

 

 

 

 

 

(CFM)

2000

 

 

 

 

 

 

 

 

 

 

 

 

 

FLOW

1500

 

 

 

 

 

 

 

 

 

 

 

 

 

RELIEF

1000

 

 

 

 

 

 

500

 

 

 

 

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

0

0.05

0.1

0.15

0.2

0.25

0.3

RETURN DUCT STATIC PRESSURE (in. wg)

Vertical Economizers

3 - 6 Ton

7.5 - 8.5 Ton

C09028

C09031

Fig. 9 - Barometric Relief Flow Capacity

Fig. 13 - Barometric Relief Flow Capacity

548J

(CFM)

30

 

 

 

 

 

25

 

 

 

 

 

DAMPER

 

 

 

 

 

20

 

 

 

 

 

 

 

 

 

 

 

ACROSS

15

 

 

 

 

 

10

 

 

 

 

 

LEAKAGE

5

 

 

 

 

 

0

 

 

 

 

 

 

 

 

 

 

 

 

0.00

0.10

0.20

0.30

0.40

0.50

STATIC PRESSURE DELTA (in. wg)

Horizontal Economizers

3 - 6 Ton

7.5 - 8.5 Ton

(CFM)

30

 

 

 

 

 

25

 

 

 

 

 

DAMPER

 

 

 

 

 

20

 

 

 

 

 

15

 

 

 

 

 

ACROSS

 

 

 

 

 

10

 

 

 

 

 

 

 

 

 

 

 

LEAKAGE

5

 

 

 

 

 

0

 

 

 

 

 

0.00

0.10

0.20

0.30

0.40

0.50

 

STATIC PRESSURE DELTA (in. wg)

Vertical Economizers

3 - 6 Ton

7.5 - 8.5 Ton

C09029

C09032

Fig. 10 - Outdoor Air Damper Leakage

Fig. 14 - Outdoor Air Damper Leakage

(CFM)

6000

 

 

 

 

5000

 

 

 

 

AIR FLOW

4000

 

 

 

 

3000

 

 

 

 

RETURN

2000

 

 

 

 

1000

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

0

0.1

0.2

0.3

0.4

RETURN DUCT STATIC PRESSURE DROP (in. wg)

Horizontal Economizers

3 - 6 Ton

7.5 - 8.5 Ton

 

6000

 

 

 

Vertical Economizers

(CFM)

 

 

 

 

5000

 

 

 

 

4000

 

 

 

 

FLOW

 

 

 

3 - 6 Ton

 

 

 

 

3000

 

 

 

7.5 - 8.5 Ton

AIR

 

 

 

 

2000

 

 

 

 

RETURN

 

 

 

 

1000

 

 

 

 

 

 

 

 

 

 

0

 

 

 

 

 

0

0.1

0.2

0.3

0.4

RETURN DUCT STATIC PRESSURE DROP (in. wg)

C09030

C09033

Fig. 11 - Return Air Pressure Drop

Fig. 15 - Return Air Pressure Drop

EXHAUST

(cfm)AIRFLOW

5000

 

 

 

 

Vertical Power Exhaust

4000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3000

 

 

 

 

2- 6 Ton

 

 

 

 

 

 

 

 

 

2000

 

 

 

 

7. 5- 8.5 Ton

 

 

1000

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

0

0.1

0.2

0.3

0.4

0.5

RETURN DUCT STATIC PRESSURE (in. wg)

EXHAUST

(cfm)AIRFLOW

5000

 

 

 

 

 

4000

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3000

 

 

 

 

2- 6 Ton

 

 

 

 

 

 

 

 

 

2000

 

 

 

 

7. 5- 12 .5 Ton

 

 

1000

 

 

 

 

 

 

 

0

 

 

 

 

 

 

 

0

0.1

0.2

0.3

0.4

0.5

RETURN DUCT STATIC PRESSURE (in. wg)

C08012

C09034

Fig. 12 - Horizontal Power Exhaust Performance

Fig. 16 - Power Exhaust Performance

46

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Contents Product Data Table of Contents Features and Benefits Model Number Nomenclature Option Accessory Factory Options AND/OR AccessoriesFACTORY-INSTALLED Options and FIELD-INSTALLED Accessories FieldFilter or Fan Status Switches Convenience Outlet powered or un-poweredPower Exhaust Pressure Relief Economizer dry-bulb or enthalpyThru-the-Base Connections Motormaster Head Pressure ControllerAlternate Motors and Drives Electric HeatersARI Cooling Rating Tables Minimum Maximum Airflows Electric Heat Sound Performance TablePhysical Data Tons548J*08 548J*09 8.5 TonsMotor Frame Size Fan Qty / Type Electric Heater NOM APP Part Number PWR Type Electric Heat Electrical DataSingle Point KIT Part Number Crsinglexxxxxx Unit With Pwrd C.O208/230 Cont. Electric Heat Electrical DataElectric Drive X13 5 speed/torque motor 105A00 16.0 12.0/14.7 038A00 Crheaterxxxxxx Without P.E With P.ECont. Electric Heat Electrical Data Tons Cool460 115A00 33.0 30.3 050A00 575Weights & Dimensions Dimensions 548JDimension Condition Unit disconnect is mounted on panel356 548J*04-07A 610C08679 C08680 356 Application Data Selection Procedure with 548J*07 Example 548J*04 105 115 EA dB Ambient TemperatureCooling Capacities 9001200 548J*05 105 115 EA dB1400 2250 548J*06 105 115 EA dB1500 25002100 548J*07 105 115 EA dB1800 24003375 548J*08 105 115 EA dB2625 37502975 548J*09 105 115 EA dB2550 3400548J*04 Temperature AIR Entering Outdoor Coil F db at 70% rhHeating Capacities ReturnHeating Capacity Heating Capacity Tons 548J*08Static Pressure Adders Factory Options and/or Accessories General fan performance notes548J*04 Electric DRIVE, X13 MOTOR, 3 TON Vertical Supply FAN Performance548J*04 Electric DRIVE, X13 MOTOR, 3 TON Horizontal Supply Speed Torque CFM ESP BHP548J*05 Electric DRIVE, X13 MOTOR, 4 TON Vertical Supply 548J*05 Electric DRIVE, X13 MOTOR, 4 TON Horizontal Supply1200 1300 1400 1500 1600 1700 1800 1900 2000 548J*06 Electric DRIVE, X13 MOTOR, 5 TON Vertical Supply 548J*06 Electric DRIVE, X13 MOTOR, 5 TON Horizontal Supply1500 1625 1750 1875 2000 2125 2250 2375 2500 TON Horizontal Supply Available External Static Pressure IN. WG CFM RPM BHP 548J*05CFM RPM BHP 548J*06 1800 927 548J*071800 907 2250 788 847 548J*082250 509 2250 5282550 806 863 548J*092550 468 546 2550 495 570Pulley Adjustment Unit MOTOR/DRIVE Combo Motor Pulley Turns OpenECONOMIZER, Barometric Relief and PE Performance 2000 1000548J*05 Stage Cooling Electrical Information548J*04 Stage Cooling 548J*06 Stage Cooling548J*09 Stage Cooling Tons 548J*07 Stage Cooling548J*08 Stage Cooling Tons Range RLA LRAUnit IFM Without P.E With P.E MCA/MOCP Determination Without C.O. or Unpwrd C.OELEC. HTR Type FLA DISC. SizeType FLA Cont. MCA/MOCP Determination Without C.O. or Unpwrd C.OELEC. HTR Unit MCA79/84 70/7476/82 46/48See Unit IFM Type NOM STD MEDHigh FLA DISC. Size MCA Mocp LRA78/84 41.5 19765/68 43.8 23482/88 45.7 20569/72 48.0 242MCA/MOCP Determination with Pwrd C.O ELEC. HTR With Pwrd C.O Unit IFM Without P.E With P.E113 Cont. MCA/MOCP Determination with Pwrd C.O111 10820.2 46.533.3 29.2Electric Heater With Pwrd C.O Without P.E With P.E Electric Heater With Pwrd C.O Unit IFM Without P.E With P.E 88/93 50.5 21074/78 52.8 247Typical Wiring Diagrams Stage Cooling Typical Power DiagramC09065 Multi-Protocol Option Diagram Stage Typical Wiring Diagram C09064 Sequence of Operation Cycle-LOCprotection Automatic changeoverContinuous air circulation Emergency heatGuide Specifications 548J*04-09 Hvac Guide Specifications23 09 33 Electric and Electronic Control System for Hvac 23 09 93 Sequence of Operations for Hvac Controls23 40 13 Panel Air Filters 23 81 19 Self-Contained Air Conditioners548J 548J 548J 548J 548J Catalog No. PDS548J---01

548J specifications

The Bryant 548J is a high-efficiency gas furnace that combines advanced features and technologies to provide exceptional heating performance. Designed for residential applications, the furnace is notable for its ability to deliver consistent warmth while ensuring energy efficiency and reliability.

One of the main features of the Bryant 548J is its ultra-high efficiency rating, which allows homeowners to save significantly on energy costs. With an Annual Fuel Utilization Efficiency (AFUE) rating of up to 96.5%, this furnace is designed to convert a large portion of fuel into usable heat. This is a remarkable characteristic that not only reduces utility bills but also contributes to a lower environmental footprint.

The 548J is equipped with a modulating gas valve and a variable-speed blower motor. The modulating gas valve enables the furnace to adjust its heating output based on real-time temperature demands, ensuring a more precise heating experience. This results in reduced temperature fluctuations within the home, providing a comfortable living environment. The variable-speed blower motor works in tandem with the modulating valve, facilitating improved air circulation and efficient temperature control.

Additionally, the Bryant 548J features a durable and compact design, making it suitable for various installation spaces. Its quality construction ensures longevity, while the optional stainless steel heat exchanger enhances its reliability. The furnace also includes a quiet operation mode, which minimizes noise levels, ensuring that the unit works quietly in the background without disturbing the household's peace.

Integration with smart home technology is another advantage of the Bryant 548J. Homeowners have the option to connect the furnace to a Wi-Fi-enabled thermostat, allowing for remote temperature control and monitoring. This feature offers enhanced convenience and the ability to optimize energy use according to a homeowner’s schedule.

For peace of mind, the Bryant 548J comes with a range of warranties, protecting the consumer's investment. Bryant’s commitment to quality is reflected in their extensive primary heating testing procedures, which ensure that each unit meets strict performance criteria before it reaches the customer.

In summary, the Bryant 548J is an efficient and reliable gas furnace that embodies advanced heating technology. With features such as high AFUE ratings, modulating gas valves, variable-speed blowers, and smart home compatibility, it stands out as a formidable option for modern residential heating solutions.
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