Bryant 548J manual Pulley Adjustment, Unit MOTOR/DRIVE Combo Motor Pulley Turns Open

Page 45

FAN PERFORMANCE (cont.)

Table 39 – PULLEY ADJUSTMENT

UNIT

MOTOR/DRIVE COMBO

 

 

 

MOTOR PULLEY TURNS OPEN

 

 

 

0

0.5

1

1.5

2

2.5

3

3.5

4

4.5

5

 

 

 

04

phase

Medium Static

1251

1208

1165

1121

1078

1035

992

949

905

862

819

 

 

 

3

High Static

1466

1423

1380

1337

1294

1251

1207

1164

1121

1078

1035

 

 

 

 

 

 

 

 

 

 

 

 

 

05

phase

Medium Static

1303

1265

1226

1188

1150

1112

1073

1035

997

958

920

 

 

 

3

High Static

1466

1423

1380

1337

1294

1251

1207

1164

1121

1078

1035

 

 

 

 

 

 

 

 

 

 

 

 

 

06

phase

Medium Static

1380

1349

1317

1286

1254

1223

1192

1160

1129

1097

1066

 

 

 

3

High Static

1639

1596

1553

1510

1467

1424

1380

1337

1294

1251

1208

 

 

 

 

 

 

 

 

 

 

 

 

 

07

phase3

Standard Static

1192

1161

1129

1098

1066

1035

1004

972

941

909

878

High Static

1639

1596

1553

1510

1467

1424

1380

1337

1294

1251

1208

 

 

Medium Static

1380

1349

1317

1286

1254

1223

1192

1160

1129

1097

1066

 

 

 

 

 

 

 

 

 

 

 

 

 

 

08

phase3

Standard Static

652

633

614

594

575

556

537

518

498

479

460

High Static

1084

1059

1035

1010

986

961

936

912

887

863

838

 

 

Medium Static

838

813

789

764

739

715

690

665

640

616

591

 

 

 

 

 

 

 

 

 

 

 

 

 

 

09

phase3

Standard Static

652

633

614

594

575

556

537

518

498

479

460

High Static

1084

1059

1035

1010

986

961

936

912

887

863

838

 

 

Medium Static

838

813

789

764

739

715

690

665

640

616

591

 

 

 

 

 

 

 

 

 

 

 

 

 

 

NOTE: Do not adjust pulley further than 5 turns open.

--- Factory settings

548J

45

Image 45
Contents Product Data Table of Contents Features and Benefits Model Number Nomenclature FACTORY-INSTALLED Options and FIELD-INSTALLED Accessories Factory Options AND/OR AccessoriesOption Accessory FieldPower Exhaust Pressure Relief Convenience Outlet powered or un-poweredFilter or Fan Status Switches Economizer dry-bulb or enthalpyAlternate Motors and Drives Motormaster Head Pressure ControllerThru-the-Base Connections Electric HeatersARI Cooling Rating Tables Sound Performance Table Minimum Maximum Airflows Electric HeatTons Physical Data8.5 Tons 548J*08 548J*09Motor Frame Size Fan Qty / Type Single Point KIT Part Number Crsinglexxxxxx Unit Electric Heat Electrical DataElectric Heater NOM APP Part Number PWR Type With Pwrd C.OCont. Electric Heat Electrical Data 208/230Electric Drive X13 5 speed/torque motor 105A00 16.0 12.0/14.7 038A00 Without P.E With P.E CrheaterxxxxxxCool Cont. Electric Heat Electrical Data Tons575 460 115A00 33.0 30.3 050A00Dimensions 548J Weights & DimensionsUnit disconnect is mounted on panel Dimension Condition610 356 548J*04-07AC08679 C08680 356 Application Data Selection Procedure with 548J*07 Example Cooling Capacities Ambient Temperature548J*04 105 115 EA dB 900548J*05 105 115 EA dB 12001400 1500 548J*06 105 115 EA dB2250 25001800 548J*07 105 115 EA dB2100 24002625 548J*08 105 115 EA dB3375 37502550 548J*09 105 115 EA dB2975 3400Heating Capacities Temperature AIR Entering Outdoor Coil F db at 70% rh548J*04 ReturnHeating Capacity 548J*08 Heating Capacity TonsGeneral fan performance notes Static Pressure Adders Factory Options and/or Accessories548J*04 Electric DRIVE, X13 MOTOR, 3 TON Horizontal Supply FAN Performance548J*04 Electric DRIVE, X13 MOTOR, 3 TON Vertical Supply Speed Torque CFM ESP BHP548J*05 Electric DRIVE, X13 MOTOR, 4 TON Horizontal Supply 548J*05 Electric DRIVE, X13 MOTOR, 4 TON Vertical Supply1200 1300 1400 1500 1600 1700 1800 1900 2000 548J*06 Electric DRIVE, X13 MOTOR, 5 TON Horizontal Supply 548J*06 Electric DRIVE, X13 MOTOR, 5 TON Vertical Supply1500 1625 1750 1875 2000 2125 2250 2375 2500 TON Horizontal Supply 548J*05 Available External Static Pressure IN. WG CFM RPM BHPCFM RPM BHP 548J*06 548J*07 1800 9271800 907 2250 509 548J*082250 788 847 2250 5282550 468 546 548J*092550 806 863 2550 495 570Unit MOTOR/DRIVE Combo Motor Pulley Turns Open Pulley Adjustment2000 1000 ECONOMIZER, Barometric Relief and PE Performance548J*04 Stage Cooling Electrical Information548J*05 Stage Cooling 548J*06 Stage Cooling548J*08 Stage Cooling Tons 548J*07 Stage Cooling548J*09 Stage Cooling Tons Range RLA LRAELEC. HTR MCA/MOCP Determination Without C.O. or Unpwrd C.OUnit IFM Without P.E With P.E Type FLA DISC. SizeELEC. HTR Unit Cont. MCA/MOCP Determination Without C.O. or Unpwrd C.OType FLA MCA76/82 70/7479/84 46/48High Unit IFM Type NOM STD MEDSee FLA DISC. Size MCA Mocp LRA65/68 41.5 19778/84 43.8 23469/72 45.7 20582/88 48.0 242ELEC. HTR With Pwrd C.O Unit IFM Without P.E With P.E MCA/MOCP Determination with Pwrd C.O111 Cont. MCA/MOCP Determination with Pwrd C.O113 10833.3 46.520.2 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 74/78 50.5 21088/93 52.8 247Stage Cooling Typical Power Diagram Typical Wiring DiagramsC09065 Multi-Protocol Option Diagram Stage Typical Wiring Diagram C09064 Sequence of Operation Continuous air circulation Automatic changeoverCycle-LOCprotection Emergency heatHvac Guide Specifications Guide Specifications 548J*04-0923 09 93 Sequence of Operations for Hvac Controls 23 09 33 Electric and Electronic Control System for Hvac23 81 19 Self-Contained Air Conditioners 23 40 13 Panel Air Filters548J 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.