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Bryant 355CAV installation instructions Furnace, Plenum, and Subbase Installed on a

Models: 355CAV

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FURNACE

(OR OTHER MANUFACTURER’S COIL CASING WHEN USED)

COMBUSTIBLE

FLOORING

DOWNFLOW

SUBBASE

SHEET METAL

PLENUM

FLOOR

OPENING

FURNACE

FACTORY SUPPLIED

CASED COIL OR COIL BOX

COMBUSTIBLE

FLOORING

SHEET METAL

PLENUM

FLOOR

OPENING

355CAV

A07585	A07586
Fig. 20 - Furnace, Plenum, and Subbase Installed on a	Fig. 21 - Furnace, Plenum, and Coil Assembly or Coil Box
Combustible Floor	Installed on a Combustible Floor
PERFORATED
DISCHARGE DUCT
FLANGE
	NO

YES

210 DEG.

MIN

YES

A93029

Fig. 22 - Duct Flanges

19

Image 19

Bryant 355CAV installation instructions Furnace, Plenum, and Subbase Installed on a

Contents

Installation Instructions Required Notice for Massachusetts Installations Safety Considerations Table of ContentsEnvironmental Hazard Dimensions In. / mm355CAV Clearances to Combustibles Unit Damage Hazard Electrostatic Discharge ESD PrecautionsCodes and Standards IntroductionUpflow Application ApplicationsProperty Damage Hazard Carbon Monoxide Poisoning Hazard Condensate Trap Alternate Upflow OrientationCondensate Trap Tubing Alternate Upflow Orientation Condensate Trap Field Drain Attachment Upper Inducer Housing Drain ConnectionCondensate Trap Freeze Protection Condensate Trap Location Downflow ApplicationsHorizontal Left SUPPLY-AIR Discharge Applications Horizontal Left Tube ConfigurationCombustion AIR Intake Vent Construct a Working Platform Property DamageUnit Operation Hazard Condenste Trap Field Drain Attachment Horizontal Right SUPPLY-AIR Discharge ApplicationsLocation Prohibit Installation on BackHazardous Locations Fire or Death HazardFIRE, EXPLOSION, Injury or Death Hazard Leveling Legs If Desired InstallationInstallation in Upflow or Downflow Applications Installation in Horizontal ApplicationsFurnace, Plenum, and Subbase Installed on a Angle AIR Ducts FIRE, Carbon Monoxide and Poisoning Hazard Fire HazardUnit MAY not Operate Fire or Explosion Hazard Gas PipingRemoving Bottom Closure Panel Electrical Shock Hazard WiringElectrical Shock and Fire Hazard Disconnect Switch and FurnaceFire or Electrical Shock Hazard AccessoriesRemoval of Existing Furnaces from Common Vent Systems Fire and Explosion Hazard AIR for Combustion and VentilationPipe Fittings Cement Description Marked on Primers Combustion-Air and Vent Pipe DiameterFurnace Control Direct Vent Termination Clearance Ventilated Combustion Air Vent Termination Clearance Vent Pipe Termination for Ventilated Combustion Air System Unit Corrosion Hazard Combustion AIR PipeCombustion Air Termination Ventilated Combustion Air Option Attachment of Combustion Air Intake Housing Plug FittingAttachment of Vent Pipe Vent PipeCombustion Air Termination-Direct Vent / 2-Pipe System Carbon Monoxide Poisoning Property Damage Hazard304.8mm minimum 76.2mm minimum Two-Pipe Termination Kit Direct Vent / 2-Pipe System Only Vent TerminationExtended Exposed Sidewall Pipes Vent Termination Kit Direct Vent / 2-Pipe System OnlyWinter Design Number of 90 Elbows Btuh Maximum Allowable Pipe Length Ft MDirect Vent 2-Pipe Only Personal Injury Hazard Condensate DrainMulti-venting and Vent Terminations ApplicationAdditional Setup Switches SW4 START-UP, Adjustment and Safety CheckAir Conditioning A/C Setup Switches Continuous Fan CF Setup SwitchesPrime Condensate Trap with Water Example of Setup Switch in Off PositionWiring Diagram Furnace Setup Switch Description Inducer Housing Drain TubePurge Gas Lines Sequence of OperationTwo-Stage Thermostat and Two-Stage Medium/High Heating Two-Stage Thermostat and Two-Stage Low / High HeatingThermidistat Mode Heat Pump Super Dehumidify ModeContinuous Blower Mode Continuous Blower Speed Selection from ThermostatStep-Modulating Furnace with Single-Speed Air Conditioning Furnace and Two-Speed Heat Pump Pump Furnace and Two-Speed Air ConditionerRedundant Automatic Gas Valve Set Gas Input RateBurner Orifice Altitude AVG. GAS 675 Burner Flame Altitude Derate Multiplier for USAGas Rate cu Ft/Hr Set Temperature RiseSet Thermostat Heat Anticipator Check Primary Limit Control ChecklistCheck Safety Controls Check Pressure SwitchesCombustion and Vent Piping Checklist InstallationCatalog No. II355CAV---060---4