Bryant 548J manual

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5.Unit shall be factory configured for vertical supply & return configurations.

6.Unit shall be field convertible from vertical to horizontal configuration

7.Unit shall be capable of mixed operation: vertical supply with horizontal return or horizontal supply with vertical return.

23 81 19.13.G. Electrical Requirements

1.Main power supply voltage, phase, and frequency must match those required by the manufacturer. 23 81 19.13.H. Unit Cabinet

1.Unit cabinet shall be constructed of galvanized steel, and shall be bonderized and coated with a pre-painted baked enamel finish on all externally exposed surfaces.

2.Unit cabinet exterior paint shall be: film thickness, (dry) 0.003 inches minimum, gloss (per ASTM D523, 60_F):

60, Hardness: H-2H Pencil hardness.

3.Evaporator fan compartment interior cabinet insulation shall conform to AHRI Standards 210/240 or 340/360 minimum exterior sweat criteria. Interior surfaces shall be insulated with a minimum 1/2-in. thick, 1 lb density, flexible fiberglass insulation, neoprene coated on the air side. Aluminum foil-faced fiberglass insulation shall be used in the heat compartment.

4.Base of unit shall have a minimum of three locations for thru-the-base electrical connections (factory installed or field installed), standard.

5.Base Rail

a.Unit shall have base rails on a minimum of 2 sides.

b.Holes shall be provided in the base rails for rigging shackles to facilitate maneuvering and overhead rigging.

c.Holes shall be provided in the base rail for moving the rooftop by fork truck.

d.Base rail shall be a minimum of 16 gauge thickness.

6.Condensate pan and connections:

a.Shall be a sloped condensate drain pan made of a non-corrosive material.

b.Shall comply with ASHRAE Standard 62.

c.Shall use a 3/4” -14 NPT drain connection, possible either through the bottom or end of the drain pan. Con- nection shall be made per manufacturer’s recommendations.

7.Top panel:

a. Shall be a single piece top panel on 04 thru 09 sizes.

8.Electrical Connections

a.All unit power wiring shall enter unit cabinet at a single, factory-prepared, knockout location.

b.Thru-the-base capability

(1.) Standard unit shall have a thru-the-base electrical location(s) using a raised, embossed portion of the unit basepan.

(2.) Optional, factory-approved, water-tight connection method must be used for thru-the-base electrical con- nections.

(3.) No basepan penetration, other than those authorized by the manufacturer, is permitted.

9.Component access panels (standard)

a.Cabinet panels shall be easily removable for servicing.

b.Unit shall have one factory installed, tool-less, removable, filter access panel.

c.Panels covering control box, indoor fan, indoor fan motor, gas components (where applicable), and com- pressors shall have molded composite handles.

d.Handles shall be UV modified, composite. permanently attached, and recessed into the panel.

e.Screws on the vertical portion of all removable access panel shall engage into heat resistant, molded compos- ite collars.

f.Collars shall be removable and easily replaceable using manufacturer recommended parts.

23 81 19.13.I. N/A

23 81 19.13.J. Coils

1.Standard Aluminum/Copper Coils: on all models.

a.Standard evaporator and condenser coils shall have aluminum lanced plate fins mechanically bonded to seam- less internally grooved copper tubes with all joints brazed.

b.Evaporator coils shall be leak tested to 150 psig, pressure tested to 450 psig, and qualified to UL 1995 burst test at 1775 psig.

c.Condenser coils shall be leak tested to 150 psig, pressure tested to 650 psig, and qualified to UL 1995 burst test at 1980 psig.

548J

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Contents Product Data Table of Contents Features and Benefits Model Number Nomenclature Field Factory Options AND/OR AccessoriesFACTORY-INSTALLED Options and FIELD-INSTALLED Accessories Option AccessoryEconomizer dry-bulb or enthalpy Convenience Outlet powered or un-poweredPower Exhaust Pressure Relief Filter or Fan Status SwitchesElectric Heaters Motormaster Head Pressure ControllerAlternate Motors and Drives Thru-the-Base ConnectionsARI Cooling Rating Tables Sound Performance Table Minimum Maximum Airflows Electric HeatTons Physical DataMotor Frame Size Fan Qty / Type 8.5 Tons548J*08 548J*09 With Pwrd C.O Electric Heat Electrical DataSingle Point KIT Part Number Crsinglexxxxxx Unit Electric Heater NOM APP Part Number PWR TypeElectric Drive X13 5 speed/torque motor Cont. Electric Heat Electrical Data208/230 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 900 Ambient TemperatureCooling Capacities 548J*04 105 115 EA dB1400 548J*05 105 115 EA dB1200 2500 548J*06 105 115 EA dB1500 22502400 548J*07 105 115 EA dB1800 21003750 548J*08 105 115 EA dB2625 33753400 548J*09 105 115 EA dB2550 2975Return Temperature AIR Entering Outdoor Coil F db at 70% rhHeating Capacities 548J*04Heating Capacity 548J*08 Heating Capacity TonsGeneral fan performance notes Static Pressure Adders Factory Options and/or AccessoriesSpeed Torque CFM ESP BHP FAN Performance548J*04 Electric DRIVE, X13 MOTOR, 3 TON Horizontal Supply 548J*04 Electric DRIVE, X13 MOTOR, 3 TON Vertical Supply1200 1300 1400 1500 1600 1700 1800 1900 2000 548J*05 Electric DRIVE, X13 MOTOR, 4 TON Horizontal Supply548J*05 Electric DRIVE, X13 MOTOR, 4 TON Vertical Supply 1500 1625 1750 1875 2000 2125 2250 2375 2500 548J*06 Electric DRIVE, X13 MOTOR, 5 TON Horizontal Supply548J*06 Electric DRIVE, X13 MOTOR, 5 TON Vertical Supply TON Horizontal Supply CFM RPM BHP 548J*05Available External Static Pressure IN. WG CFM RPM BHP 548J*06 1800 907 548J*071800 927 2250 528 548J*082250 509 2250 788 8472550 495 570 548J*092550 468 546 2550 806 863Unit MOTOR/DRIVE Combo Motor Pulley Turns Open Pulley Adjustment2000 1000 ECONOMIZER, Barometric Relief and PE Performance548J*06 Stage Cooling Electrical Information548J*04 Stage Cooling 548J*05 Stage CoolingRange RLA LRA 548J*07 Stage Cooling548J*08 Stage Cooling Tons 548J*09 Stage Cooling TonsType FLA DISC. Size MCA/MOCP Determination Without C.O. or Unpwrd C.OELEC. HTR Unit IFM Without P.E With P.EMCA Cont. MCA/MOCP Determination Without C.O. or Unpwrd C.OELEC. HTR Unit Type FLA46/48 70/7476/82 79/84FLA DISC. Size MCA Mocp LRA Unit IFM Type NOM STD MEDHigh See43.8 234 41.5 19765/68 78/8448.0 242 45.7 20569/72 82/88ELEC. HTR With Pwrd C.O Unit IFM Without P.E With P.E MCA/MOCP Determination with Pwrd C.O108 Cont. MCA/MOCP Determination with Pwrd C.O111 11329.2 46.533.3 20.2Electric 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 52.8 247 50.5 21074/78 88/93Stage Cooling Typical Power Diagram Typical Wiring DiagramsC09065 Multi-Protocol Option Diagram Stage Typical Wiring Diagram C09064 Sequence of Operation Emergency heat Automatic changeoverContinuous air circulation Cycle-LOCprotectionHvac 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.
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