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Bryant 355MAV SidewallTermination of 12 in. or Less, SidewallTermination of More than 12 in

Models: 355MAV

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Fig. 47—Sidewall Termination of 12 in. or Less

COMBUSTION AIR

1″ (25 mm) MAXIMUM (TYP)

VENT

A

VENT

A93057

Fig. 46—Concentric Vent and Combustion-Air Side Termination

(Dimension “A” is Touching or 2-in. Maximum Separation)

VENT

COMBUSTION AIR

A

COMBUSTION AIR

A96129

Fig. 47—Sidewall Termination of 12 in. or Less

(Dimension “A” is Touching or 2-in. Maximum Separation)

VENT

COMBUSTION AIR

A

COMBUSTION AIR

A96130

Fig. 48—Sidewall Termination of More than 12 in.

(Dimension “A” is Touching or 2-in Maximum Separation)

—42—

Image 42

Bryant 355MAV instruction manual SidewallTermination of 12 in. or Less, SidewallTermination of More than 12 in

Contents

Deluxe 4-WayMultipoise TABLE OF CONTENTSInstallation, Start-up,and Operating Instructions 355MAVGeneral INTRODUCTION SAFETY CONSIDERATIONSFig. 1-MultipoiseOrientations CODES AND STANDARDSDimensions in Fig. 2-DimensionalDrawingFig. 3-Clearancesto Combustibles INSTALLATIONELECTROSTATIC DISCHARGE ESD PRECAUTION PROCEDURE APPLICATIONS PROCEDURE 1-GENERALFig. 4-CondensateTrap Fig. 5-Factory-ShippedUpflow Tube Configuration Shown with Blower Access Panel RemovedPROCEDURE 2-UPFLOWAPPLICATIONS h.Attach tube to coupling and clamp securely Fig. 7-DownflowTube Configuration F. Pressure Switch TubingPROCEDURE 3-DOWNFLOWAPPLICATIONS Left-HandTrap InstallationFig. 8-DownflowTube Configuration Right-HandTrap InstallationB. Condensate Trap Tubing E. Condensate Trap Freeze Protection D. Pressure Switch TubingC.Condensate Trap Field Drain Attachment A. Condensate Trap LocationF. Construct a Working Platform Fig. 9-HorizontalLeft Tube ConfigurationC. Condensate Trap Field Drain Attachments D. Pressure Switch TubingFig. 10-AtticLocation and Working Platform A. Condensate Trap LocationB. Condensate Trap Tubing Fig. 11-HorizontalRight Tube Configuration C. Condensate Trap Field Drain AttachmentD. Pressure Switch Tubing Drainage LOCATION PROCEDURE 1-GENERALFig. 12-FurnaceLocation for Proper Condensate Fig. 13-Return-AirTemperatureFig. 14-ProhibitInstallation on Back PROCEDURE 2-LOW-FIREONLY INSTALLATIONFig. 15-FreezeProtection INSTALLATION PROCEDURE 1-LEVELINGLEGS IF DESIRED PROCEDURE 4-HAZARDOUSLOCATIONSFig. 16-Installationin a Garage 1.Size gas piping based on the high-fireinputTable 1-OpeningDimensions in Fig. 17-LevelingLegsFig. 18-Floorand Plenum Opening Dimensions Fig. 19-Furnace,Plenum, and Subbase Installedon a Combustible Floor PROCEDURE 4-AIRDUCTS A. General Requirements Fig. 20-Furnace,Plenum, and Coil Assembly orCoil Box Installed on a Combustible Floor Fig. 21-DuctFlangesC. Supply Air Connections Fig. 22-CrawlspaceHorizontal ApplicationB. Ductwork Acoustical Treatment UPFLOW FURNACESPROCEDURE 6-BOTTOMCLOSURE PANEL PROCEDURE 5-FILTERARRANGEMENTFig. 23-FilterInstalled for Side Inlet PROCEDURE 7-GASPIPINGFig. 24-BottomFilter Arrangement Fig. 25-RemovingBottom Closure Panel171⁄2-IN.WIDE CASINGS ONLY Table 3-MaximumCapacity of Pipe Fig. 26-TypicalGas Pipe ArrangementPROCEDURE 8-ELECTRICALCONNECTIONS A. 115-VWiringC.Accessories Fig. 28-DisconnectSwitch and FurnaceB. 24-VWiring Table 4-ElectricalDataPROCEDURE 9-DIRECTVENTING Fig. 29-Relocating J-BoxFig. 30-UnitWiring Diagram B. Combustion-Airand Vent Piping Fig. 31-ControlCenterFig. 32-EACTerminals on Control Center GENERALFig. 34-ThermidistatConnection Fig. 33-355MAVVariable Speed Furnace ControlPage Fig. 36-Combustion-Airand Vent Pipe Connections Fig. 37-ShortVent 5 to 8 ft System COMBUSTION-AIRAND VENT PIPE DIAMETERTable 7-MaximumAllowable Pipe Length ft COMBUSTION-AIRAND VENT PIPE ATTACHMENTTable 7-MaximumAllowable Pipe Length ft Continued Fig. 38-IntakeHousing Plug Fitting Drain Table 7-MaximumAllowable Pipe Length ft ContinuedFig. 39-RoofTermination Preferred Fig. 42-SidewallTermination of 12 in. or More TWO-PIPETERMINATION KIT Fig. 43-SidewallTermination of Less than 12 inEXTENDED EXPOSED SIDEWALL PIPES CONCENTRIC VENT/AIR TERMINATION KITPROCEDURE 10-CONDENSATEDRAIN A. General AmbientD. Multiventing and Vent Terminations B. Application C. Condensation Drain ProtectionFig. 47-SidewallTermination of 12 in. or Less Fig. 48-SidewallTermination of More than 12 inFig. 49-Exampleof Field Drain Attachment Fig. 50-CondensateTrap Heat TapeSEQUENCE OF OPERATION PROCEDURE 3-HEATING MODE-TWOSTAGE PROCEDURE 1-SELF-TESTMODEPROCEDURE 2-HEATINGMODE PROCEDURE 4-EMERGENCYHEAT MODEA. Single-SpeedApplications PROCEDURE 5-COOLINGMODEPROCEDURE 6-HEATPUMP MODE B.Two-SpeedApplicationsPROCEDURE 7-CONTINUOUSFAN MODE PROCEDURE 8-COMPONENTTESTB. Two-SpeedApplications PROCEDURE 9-BYPASSHUMIDIFIER MODE PROCEDURE 10-DEHUMIDIFICATIONMODESTART-UPPROCEDURES PROCEDURE 1-GENERAL Table 10-BlowerOff Delay Setup Switch SW PositionPROCEDURE 11-ZONEMODE PROCEDURE 2-SELECTSETUP SWITCH POSITIONSC. Setup Switches SW Fig. 53-Exampleof Setup Switch in OFF PositionFig. 54-InducerHousing Drain Tube 1 OFFPROCEDURE 3-PRIMECONDENSATE TRAP WITH WATER Table 11-SetupSwitch DescriptionTable 12-BlowerOff Delay Setup Switch Position PROCEDURE 4-PURGEGAS LINESFig. 55-FillingCondensate Trap Sea Level Sea Level Sea Level CANADAFig. 56-RedundantAutomatic Gas Valve Fig. 57-BurnerOrificeB. Set Temperature Rise Fig. 58-BurnerFlame Table 14-AltitudeDerate Multiplier for U.S.AC. Set Thermostat Heat Anticipator Table 15-GasRate Cu Ft/Hr PROCEDURE 6-CHECKSAFETY CONTROLSB. Check Pressure Switches A. Check Primary Limit ControlPROCEDURE 7-CHECKLIST Fig. 59-AmpDraw Check with AmmeterPage Book/Tab 1/6 Catalog No