Bryant 120 instruction manual Roll-Out Protection, Floor and Plenum Opening Dimensions

Page 12

underneath furnace must be level and the furnace set on blocks or bricks.

Roll-Out Protection

Provide a minimum 17-3/4 in. X 22 in. piece of sheet metal for flame roll-out protection in front of burner area for furnaces closer than 12 inches above the combustible deck or suspended furnaces closer than 12 inches to joists. The sheet metal MUST extend underneath the furnace casing by 1 in. with the door removed.

The bottom closure panel on furnaces of widths 17-1/2 in. and larger may be used for flame roll-out protection when bottom of furnace is used for return air connection. See Fig. 17 for proper orientation of roll-out shield.

Bottom Return Air Inlet

 

These furnaces are shipped with bottom closure panel installed in

 

bottom return-air opening. Remove and discard this panel when

312A

bottom return air is used. To remove bottom closure panel,

perform the following:

1.

Tilt or raise furnace and remove 2 screws holding bottom

 

 

 

filler panel. (See Fig. 9.)

 

2.

Rotate bottom filler panel downward to release holding

 

 

 

tabs.

 

3.

Remove bottom closure panel.

 

4.

Reinstall bottom filler panel and screws.

Side Return Air Inlet

These furnaces are shipped with bottom closure panel installed in bottom return-air opening. This panel MUST be in place when side return air inlet(s) are used without a bottom return air inlet.

 

A

 

PLENUM

 

OPENING

B

D

 

FLOOR

 

OPENING

 

C

A096283

Fig. 11 - Floor and Plenum Opening Dimensions

FURNACE

(OR COIL CASING

WHEN USED)

COMBUSTIBLE

FLOORING

DOWNFLOW

SUBBASE

SHEET METAL

PLENUM

FLOOR

OPENING

A096285

Fig. 12 - Furnace, Plenum, and Subbase installed on a

Combustible Floor

FURNACE

CD5 OR CK5

COIL ASSEMBLY

OR KCAKC

COIL BOX

COMBUSTIBLE

FLOORING

SHEET METAL

PLENUM

FLOOR

OPENING

A04140

A04140

Fig. 13 - Furnace, Plenum, and Coil Assembly or Coil Box

Installed on a Combustible Floor

12

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Contents Ama Safety Considerations Furnace Reliability HazardCUT Hazard Dimensions IntroductionWidth Bottom Flue Cabinet SizeInstallation Electrostatic Discharge ESD Precautions Procedure Codes and StandardsLocation GeneralCarbon Monoxide Poisoning and Unit Damage Hazard FIRE, Injury or Death Hazard Fire HazardProperty Damage Hazard Location Relative to Cooling EquipmentAIR for Combustion Ventilation Furnace Corrosion HazardCarbon Monoxide Poisoning Hazard Outdoor Combustion Air MethodAir for Combustion, Ventilation and Dilution for Outdoors Installation Upflow InstallationDownflow Installation Horizontal InstallationFIRE, EXPLOSION, and Carbon Monoxide Poisoning Hazard Suspended Furnace SupportFloor and Plenum Opening Dimensions Roll-Out ProtectionOpening dimensions Furnace Plenum Opening Floor Opening CasingWidth Horizontal Unit Suspension Filter Arrangement Carbon Monoxide Poisoning Hazard AIR DuctsGeneral Requirements Ductwork Acoustical Treatment Supply Air ConnectionsAir Delivery CFM With Filter Speed External Static Pressure IN. WC Size Inlet2380 2285 2200 2085 1970 1835 Air Delivery CFM With Filter* Downflow FurnacesReturn Air Connections GAS Piping Fire or Explosion HazardUpflow Return Air Configurations and Restrictions Maximum Capacity of Pipe Furnace Damage HazardWiring Electrical Connections Electrical Shock and Fire HazardElectrical Shock Hazard Furnace MAY not Operate HazardElectrical Data BOX RelocationElectrical Connection to J-BOX Power Cord Installation in Furnace J-BOX BX. Cable Installation in Furnace J-BOXElectrical Box on Furnace Casing Side. See Fig Fire or Electrical Shock HazardTwo-Stage Furnace with Two-Speed Air Conditioner See notes 2, 11, and 12 on the page following these figures Accessories VentingGeneral Venting Requirements Masonry Chimney RequirementsChimney Inspection Chart Appliance Application Requirements Vent Height Internal Area of ChimneyUpflow Application-Vent Elbow Up Downflow Application-Vent Elbow Up Horizontal Right Application Vent Elbow Right Furnace Vent Orienta Orientation Tion PUTBTUH/HR Diameter Height FTRounded End of Knockout Burn HazardSTART-UP, ADJUSTMENT, and Safety Check Start-Up ProceduresGeneral Fire and Explosion HazardAdjustments Stage Furnace Setup Switch DescriptionU.S Altitude Derate Multiplier for U.S.ARedundant Automatic Gas Control Valve Gas Rate cu ft/hr Furnace Overheating HazardSeconds Size of Test Dial For Revolution Speed Selection Color Speed AS ShippedCheck Safety Controls Stage Furnace Blower OFF delay Setup SwitchDesired Heating Mode Setup Switch Blower OFF Delay SEC Checklist Altitude Range Specific Gravity of Natural GASBTUH/CU Gravity6001 to Specific Gravity of Natural GAS Altitude Range BTUH/CU FTSpecific Gravity of Natural GAS Altitude Range Heat Value Service and Maintenance Procedures Electrical SHOCK, Fire or Explosion HazardFIRE, Personal Injury and Unit Damage Specific Gravity of Natural GAS Heat Value AT AltitudeCare and Maintenance Electrical Controls and Wiring Electrical Shock HazardIntroduction Unit Operation HazardService Wiring Diagram Cleaning AND/OR Replacing AIR Filter Filter size informationBlower Motor and Wheel Electrical Shock Hazard Furnace Filter Size CasingCleaning Heat Exchanger Unit Damage HazardSequence of Operation Igniter Position Top ViewTwo-Stage Heating Adaptive mode with Single-Stage Thermostat Single-Stage Thermostat and Two-Speed Cooling Adaptive Mode Thermidistat ModeSingle-Speed Cooling Wiring Diagrams TroubleshootingContinuous Blower Mode Troubleshooting Guide 2-Speed Blocked vent shutoff switch used in Chimney Adapter Kit Page Catalog No. II312A---45---8

120 specifications

The Bryant 120 is a remarkable system designed for residential and commercial heating and cooling needs, showcasing an impressive blend of efficiency, reliability, and advanced technology. As a part of Bryant's extensive line of HVAC solutions, the Bryant 120 stands out with its features and performance, making it an ideal choice for those seeking comfort year-round.

One of the main features of the Bryant 120 is its exceptional energy efficiency. It boasts a high Seasonal Energy Efficiency Ratio (SEER) rating, enabling homeowners to save on energy costs while enjoying consistent temperature control. This efficiency is aided by its variable-speed compressor, which allows the system to adjust its output based on current requirements, optimizing both energy consumption and comfort.

In terms of technology, the Bryant 120 incorporates advanced controls that enhance user experience and system performance. The system comes equipped with smart thermostats that allow homeowners to monitor and adjust their environment remotely. These thermostats not only provide convenience but also help in optimizing energy usage by learning the household's heating and cooling patterns.

Another characteristic of the Bryant 120 is its durable construction. The unit is built to withstand various weather conditions, featuring a robust cabinet and components designed for longevity. This durability ensures that homeowners can rely on the system for years without the need for frequent repairs or replacements.

Noise levels are also a critical consideration in HVAC systems, and the Bryant 120 addresses this with its quiet operation. The system is designed to minimize sound output, making it suitable for residential areas where noise can be a concern. This is particularly beneficial for nighttime use, providing a comfortable sleeping environment.

Additionally, the Bryant 120 supports eco-friendly refrigerants that comply with environmental standards, contributing to a reduction in greenhouse gas emissions. This commitment to sustainability reflects Bryant's dedication to creating products that are not only effective but also responsible.

Overall, the Bryant 120 encapsulates a harmonious balance of efficiency, advanced technology, durability, and quiet operation. Whether for a new installation or a replacement, the Bryant 120 presents an ideal solution to meet diverse heating and cooling requirements, enhancing comfort while prioritizing energy savings and environmental responsibility.
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