Specific Gravity of Natural GAS Altitude Range | Bryant 120 guide

312A

Table 16 – Orifice Size and Manifold Pressure for Gas Input Rate

(Tabulated Data Based on 21,000 Btuh High-Heat/14,500 Btuh for Low-Heat Per Burner, Derated 4% for Each 1000 Ft Above Sea

level)

			AVG. GAS				SPECIFIC GRAVITY OF NATURAL GAS
ALTITUDE RANGE			AVG. GAS		0.58			0.60			0.62			0.64
ALTITUDE RANGE			HEAT VALUE		0.58			0.60			0.62			0.64
	(FT)		HEAT VALUE
	(FT)		(BTUH/CU FT)	Orifice		Manifold	Orifice		Manifold	Orifice		Manifold	Orifice		Manifold
			(BTUH/CU FT)	No.		Pressure	No.		Pressure	No.		Pressure	No.		Pressure
				No.		Pressure	No.		Pressure	No.		Pressure	No.		Pressure
			900	42		3.2/1.5	42		3.3/1.6	42		3.4/1.6	42		3.5/1.7
			925	43		3.7/1.8	43		3.8/1.8	42		3.2/1.5	42		3.3/1.6
			950	43		3.5/1.7	43		3.6/1.7	43		3.7/1.8	43		3.8/1.8
U.S.A.		0 to	975	43		3.3/1.6	43		3.4/1.6	43		3.5/1.7	43		3.7/1.7
and		0 to	1000	44		3.6/1.7	43		3.3/1.6	43		3.4/1.6	43		3.5/1.7
and		2000	1000	44		3.6/1.7	43		3.3/1.6	43		3.4/1.6	43		3.5/1.7
Canada
			1025	44		3.4/1.6	44		3.6/1.7	43		3.2/1.5	43		3.3/1.6
			1025	44		3.4/1.6	44		3.6/1.7	43		3.2/1.5	43		3.3/1.6
			1050	44		3.3/1.6	44		3.4/1.6	44		3.5/1.7	43		3.2/1.5
			1075	45		3.8/1.8	44		3.2/1.5	44		3.3/1.6	44		3.4/1.6
			1100	46		3.8/1.8	45		3.7/1.8	44		3.2/1.5	44		3.3/1.6
			AVG. GAS				SPECIFIC GRAVITY OF NATURAL GAS
ALTITUDE RANGE			AVG. GAS		0.58			0.60			0.62			0.64
ALTITUDE RANGE			HEAT VALUE		0.58			0.60			0.62			0.64
	(FT)		HEAT VALUE
	(FT)		(BTUH/CU FT)	Orifice		Manifold	Orifice		Manifold	Orifice		Manifold	Orifice		Manifold
			(BTUH/CU FT)	No.		Pressure	No.		Pressure	No.		Pressure	No.		Pressure
				No.		Pressure	No.		Pressure	No.		Pressure	No.		Pressure
		U.S.A.	800	43		3.8/1.8	42		3.2/1.5	42		3.3/1.6	42		3.4/1.6
		U.S.A.	825	43		3.5/1.7	43		3.7/1.7	43		3.8/1.8	42		3.2/1.5
		Altitudes
		Altitudes	850	43		3.3/1.6	43		3.5/1.6	43		3.6/1.7	43		3.7/1.8
		2001 to
U.S.A.		2001 to	875	43		3.2/1.5	43		3.3/1.6	43		3.4/1.6	43		3.5/1.7
U.S.A.		3000 or	875	43		3.2/1.5	43		3.3/1.6	43		3.4/1.6	43		3.5/1.7
and		3000 or	900	44		3.4/1.6	44		3.5/1.7	43		3.2/1.5	43		3.3/1.6
and		Canada	900	44		3.4/1.6	44		3.5/1.7	43		3.2/1.5	43		3.3/1.6
Canada
			925	44		3.2/1.5	44		3.3/1.6	44		3.5/1.6	44		3.6/1.7
		Altitudes	925	44		3.2/1.5	44		3.3/1.6	44		3.5/1.6	44		3.6/1.7
		2001 to	950	45		3.7/1.8	45		3.8/1.8	44		3.3/1.6	44		3.4/1.6
		4500	975	46		3.7/1.8	46		3.8/1.8	45		3.8/1.8	44		3.2/1.5
			1000	46		3.5/1.7	46		3.6/1.7	46		3.8/1.8	45		3.7/1.8
			AVG. GAS				SPECIFIC GRAVITY OF NATURAL GAS
ALTITUDE RANGE			AVG. GAS		0.58			0.60			0.62			0.64
ALTITUDE RANGE			HEAT VALUE		0.58			0.60			0.62			0.64
	(FT)		(BTUH/CU FT)	Orifice		Manifold	Orifice		Manifold	Orifice		Manifold	Orifice		Manifold
			(BTUH/CU FT)	No.		Pressure	No.		Pressure	No.		Pressure	No.		Pressure
				No.		Pressure	No.		Pressure	No.		Pressure	No.		Pressure
			775	43		3.5/1.7	43		3.7/1.7	43		3.8/1.8	42		3.2/1.5
			800	43		3.3/1.6	43		3.4/1.6	43		3.5/1.7	43		3.7/1.7
			825	44		3.6/1.7	43		3.2/1.5	43		3.3/1.6	43		3.4/1.6
U.S.A.		3001 to	850	44		3.4/1.6	44		3.5/1.7	44		3.6/1.7	43		3.2/1.5
Only		4000	875	45		3.8/1.8	44		3.3/1.6	44		3.4/1.6	44		3.5/1.7
			900	46		3.8/1.8	45		3.8/1.8	44		3.2/1.5	44		3.3/1.6
			925	46		3.6/1.7	46		3.7/1.8	45		3.7/1.8	45		3.8/1.8
			950	46		3.4/1.6	46		3.5/1.7	46		3.7/1.7	46		3.8/1.8
			AVG. GAS				SPECIFIC GRAVITY OF NATURAL GAS
ALTITUDE RANGE			AVG. GAS		0.58			0.60			0.62			0.64
ALTITUDE RANGE			HEAT VALUE		0.58			0.60			0.62			0.64
	(FT)		HEAT VALUE
	(FT)		(BTUH/CU FT)	Orifice		Manifold	Orifice		Manifold	Orifice		Manifold	Orifice		Manifold
			(BTUH/CU FT)	No.		Pressure	No.		Pressure	No.		Pressure	No.		Pressure
				No.		Pressure	No.		Pressure	No.		Pressure	No.		Pressure
			750	43		3.3/1.6	43		3.4/1.6	43		3.5/1.7	43		3.6/1.7
			775	44		3.6/1.7	43		3.2/1.5	43		3.3/1.6	43		3.4/1.6
			800	44		3.3/1.6	44		3.4/1.6	44		3.6/1.7	43		3.2/1.5
U.S.A.		4001 to	825	45		3.8/1.8	44		3.2/1.5	44		3.4/1.6	44		3.5/1.6
Only		5000	850	46		3.8/1.8	45		3.7/1.8	45		3.8/1.8	44		3.3/1.6
			875	46		3.5/1.7	46		3.7/1.7	46		3.8/1.8	45		3.7/1.8
			900	47		3.8/1.8	46		3.5/1.7	46		3.6/1.7	46		3.7/1.8
			925	47		3.6/1.7	47		3.7/1.8	47		3.8/1.8	46		3.5/1.7
			AVG. GAS				SPECIFIC GRAVITY OF NATURAL GAS
ALTITUDE RANGE			HEAT VALUE		0.58			0.60			0.62			0.64
	(FT)		AT ALTITUDE
	(FT)		AT ALTITUDE	Orifice		Manifold	Orifice		Manifold	Orifice		Manifold	Orifice		Manifold
			(BTUH/CU FT)	No.		Pressure	No.		Pressure	No.		Pressure	No.		Pressure
			725	44	3.5/1.7		43	3.2/1.5		43	3.3/1.6		43	3.4/1.6
			750	44	3.3/1.6		44	3.4/1.6		44	3.5/1.7		43	3.2/1.5
			775	45	3.7/1.8		44	3.2/1.5		44	3.3/1.6		44	3.4/1.6
U.S.A.		5001 to	800	46	3.7/1.8		46	3.8/1.8		45	3.8/1.8		44	3.2/1.5
Only	6000		825	46	3.5/1.7		46	3.6/1.7		46	3.7/1.8		46	3.8/1.8
			850	47	3.7/1.8		47	3.8/1.8		46	3.5/1.7		46	3.6/1.7
			875	47	3.5/1.7		47	3.6/1.7		47	3.7/1.8		46	3.4/1.6
			900	48	3.8/1.8		47	3.4/1.6		47	3.5/1.7		47	3.7/1.7

* Orifice numbers 43 are factory installed

44

Image 44

Bryant 120 instruction manual Specific Gravity of Natural GAS Altitude Range, Btuh/Cu Ft

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.

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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.

Contents

Ama CUT Hazard Safety ConsiderationsFurnace Reliability Hazard Dimensions IntroductionWidth Bottom Flue Cabinet Size Installation Electrostatic Discharge ESD Precautions Procedure Codes and Standards Carbon Monoxide Poisoning and Unit Damage Hazard LocationGeneral FIRE, Injury or Death Hazard Fire HazardProperty Damage Hazard Location Relative to Cooling Equipment AIR for Combustion Ventilation Furnace Corrosion HazardCarbon Monoxide Poisoning Hazard Outdoor Combustion Air Method Air for Combustion, Ventilation and Dilution for Outdoors Installation Upflow Installation Downflow Installation Horizontal InstallationFIRE, EXPLOSION, and Carbon Monoxide Poisoning Hazard Suspended Furnace Support Floor and Plenum Opening Dimensions Roll-Out Protection Width Opening dimensionsFurnace Plenum Opening Floor Opening Casing Horizontal Unit Suspension Filter Arrangement Carbon Monoxide Poisoning Hazard AIR DuctsGeneral Requirements Ductwork Acoustical Treatment Supply Air Connections Air Delivery CFM With Filter Speed External Static Pressure IN. WC Size Inlet 2380 2285 2200 2085 1970 1835 Air Delivery CFM With Filter* Downflow FurnacesReturn Air Connections GAS Piping Fire or Explosion Hazard Upflow Return Air Configurations and Restrictions Maximum Capacity of Pipe Furnace Damage Hazard Wiring Electrical Connections Electrical Shock and Fire HazardElectrical Shock Hazard Furnace MAY not Operate Hazard Electrical Connection to J-BOX Electrical DataBOX Relocation 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 Hazard Two-Stage Furnace with Two-Speed Air Conditioner See notes 2, 11, and 12 on the page following these figures Accessories Venting General Venting Requirements Masonry Chimney Requirements Chimney Inspection Chart Appliance Application Requirements Vent Height Internal Area of Chimney Upflow Application-Vent Elbow Up Downflow Application-Vent Elbow Up Horizontal Right Application Vent Elbow Right Furnace Vent Orienta Orientation Tion PUTBTUH/HR Diameter Height FT Rounded End of Knockout Burn Hazard START-UP, ADJUSTMENT, and Safety Check Start-Up ProceduresGeneral Fire and Explosion Hazard Adjustments Stage Furnace Setup Switch DescriptionU.S Altitude Derate Multiplier for U.S.A Redundant Automatic Gas Control Valve Seconds Size of Test Dial For Revolution Gas Rate cu ft/hrFurnace Overheating Hazard Speed Selection Color Speed AS Shipped Desired Heating Mode Setup Switch Blower OFF Delay SEC Check Safety ControlsStage Furnace Blower OFF delay Setup Switch Checklist Altitude Range Specific Gravity of Natural GASBTUH/CU Gravity 6001 to Specific Gravity of Natural GAS Altitude Range Heat Value Specific Gravity of Natural GAS Altitude RangeBTUH/CU FT Service and Maintenance Procedures Electrical SHOCK, Fire or Explosion HazardFIRE, Personal Injury and Unit Damage Specific Gravity of Natural GAS Heat Value AT Altitude Care and Maintenance Electrical Controls and Wiring Electrical Shock HazardIntroduction Unit Operation Hazard Service Wiring Diagram Cleaning AND/OR Replacing AIR Filter Filter size informationBlower Motor and Wheel Electrical Shock Hazard Furnace Filter Size Casing Cleaning Heat Exchanger Unit Damage Hazard Sequence of Operation Igniter Position Top View Two-Stage Heating Adaptive mode with Single-Stage Thermostat Single-Speed Cooling Single-Stage Thermostat and Two-Speed Cooling Adaptive ModeThermidistat Mode Continuous Blower Mode Wiring DiagramsTroubleshooting Troubleshooting Guide 2-Speed Blocked vent shutoff switch used in Chimney Adapter Kit Page Catalog No. II312A---45---8