Bryant 120 instruction manual 2380 2285 2200 2085 1970 1835

Page 17

			High	2530	2460	2380	2285	2200	2085	1970	1835	1695	1545
			Med---
				2225	2190	2135	2075	1995	1910	1805	1695	1565	1430
			High Me-
		Bottom Only		1895	1885	1865	1820	1770	1700	1610	1520	1410	1290
			dium
				1565	1555	1535	1505	1465	1410	1350	1265	1175	1050
			Med--- Low
				1320	1295	1265	1235	1205	1160	1105	1035	950	870
			Low

	110--- 22 /	Bottom Sides or	High	--- ---	--- ---	2415	2330	2235	2125	1995	1860	1735	1605
			Med---
	066110	1 Side & Bottom		2205	2175	2120	2065	1975	1900	1790	1685	1580	1460
			High

			High	2485	2430	2360	2270	2175	2070	1950	1825	1685	1535
			Med---
				2155	2135	2100	2040	1970	1885	1790	1680	1560	1420
			High Me-
		1Side Only		1830	1830	1810	1780	1730	1665	1595	1505	1395	1275
			dium
				1520	1505	1490	1470	1430	1385	1330	1250	1165	1055
			Med--- Low
				1275	1260	1240	1210	1180	1135	1090	1025	930	840
			Low

	*A filter is required	for each return ---air inlet. Airflow performance included 1---in. washable filter media such as contained in factory ---authorized accessory filter
	rack. To determine airflow performance without this filter, assume an additional 0.1 in. wc available external static pressure.
	--- --- Indicates unstable operating conditions.

312A

17

Image 17

Contents Ama CUT Hazard Safety ConsiderationsFurnace Reliability Hazard Introduction DimensionsWidth Bottom Flue Cabinet SizeInstallation Codes and Standards Electrostatic Discharge ESD Precautions ProcedureCarbon Monoxide Poisoning and Unit Damage Hazard LocationGeneral Fire Hazard FIRE, Injury or Death HazardProperty Damage Hazard Location Relative to Cooling EquipmentFurnace Corrosion Hazard AIR for Combustion VentilationCarbon Monoxide Poisoning Hazard Outdoor Combustion Air MethodAir for Combustion, Ventilation and Dilution for Outdoors Upflow Installation InstallationHorizontal Installation Downflow InstallationFIRE, EXPLOSION, and Carbon Monoxide Poisoning Hazard Suspended Furnace SupportRoll-Out Protection Floor and Plenum Opening DimensionsWidth Opening dimensionsFurnace Plenum Opening Floor Opening Casing Horizontal Unit Suspension AIR Ducts Filter Arrangement Carbon Monoxide Poisoning HazardGeneral Requirements Ductwork Acoustical Treatment Supply Air ConnectionsSpeed External Static Pressure IN. WC Size Inlet Air Delivery CFM With Filter2380 2285 2200 2085 1970 1835 Downflow Furnaces Air Delivery CFM With Filter*Return Air Connections GAS Piping Fire or Explosion HazardUpflow Return Air Configurations and Restrictions Furnace Damage Hazard Maximum Capacity of PipeElectrical Connections Electrical Shock and Fire Hazard WiringElectrical Shock Hazard Furnace MAY not Operate HazardElectrical Connection to J-BOX Electrical DataBOX Relocation BX. Cable Installation in Furnace J-BOX Power Cord 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 Venting AccessoriesMasonry Chimney Requirements General Venting RequirementsChimney Inspection Chart Vent Height Internal Area of Chimney Appliance Application RequirementsUpflow Application-Vent Elbow Up Downflow Application-Vent Elbow Up Horizontal Right Application Vent Elbow Right Orientation Tion PUTBTUH/HR Diameter Height FT Furnace Vent OrientaBurn Hazard Rounded End of KnockoutStart-Up Procedures START-UP, ADJUSTMENT, and Safety CheckGeneral Fire and Explosion HazardStage Furnace Setup Switch Description AdjustmentsU.S Altitude Derate Multiplier for U.S.ARedundant Automatic Gas Control Valve Seconds Size of Test Dial For Revolution Gas Rate cu ft/hrFurnace Overheating Hazard Color Speed AS Shipped Speed SelectionDesired Heating Mode Setup Switch Blower OFF Delay SEC Check Safety ControlsStage Furnace Blower OFF delay Setup Switch Checklist Specific Gravity of Natural GAS Altitude RangeBTUH/CU Gravity6001 to Specific Gravity of Natural GAS Altitude Range Heat Value Specific Gravity of Natural GAS Altitude RangeBTUH/CU FT Electrical SHOCK, Fire or Explosion Hazard Service and Maintenance ProceduresFIRE, Personal Injury and Unit Damage Specific Gravity of Natural GAS Heat Value AT AltitudeElectrical Controls and Wiring Electrical Shock Hazard Care and MaintenanceIntroduction Unit Operation HazardService Wiring Diagram Filter size information Cleaning AND/OR Replacing AIR FilterBlower Motor and Wheel Electrical Shock Hazard Furnace Filter Size CasingUnit Damage Hazard Cleaning Heat ExchangerIgniter Position Top View Sequence of OperationTwo-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