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Bryant 355MAV instruction manual OpeningDimensions in, LevelingLegs

Models: 355MAV

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Table 1—Opening Dimensions (in.)

Table 1—Opening Dimensions (in.)

	FURNACE		PLENUM OPENING		FLOOR OPENING
	CASING	APPLICATION
	CASING	APPLICATION	A	B	C	D
	WIDTH		A	B	C	D
		Upflow Applications	16	24-1/8	16-5/8	24-3/4
		Downflow Applications on Non-Combustible Flooring	15-7/8	19	16-1/2	19-5/8
		Downflow Applications on Combustible Flooring Using KGASB
		Subbase	15-1/8	19	16-3/4	20-3/8
	17-1/2	Furnace with or without CD5 or CK5 Coil Assembly or KCAKC	15-1/8	19	16-3/4	20-3/8
		Furnace with or without CD5 or CK5 Coil Assembly or KCAKC
		Coil Box
		Coil Box
		Downflow Applications on Combustible Flooring NOT Using
		KGASB Subbase	15-1/2	19	16-1/2	20
		Furnace with or without CD5 or CK5 Coil Assembly or KCAKC	15-1/2	19	16-1/2	20
		Furnace with or without CD5 or CK5 Coil Assembly or KCAKC
		Coil Box
		Upflow Applications	19-1/2	24-1/8	20-1/8	24-3/4
		Downflow Applications on Non-Combustible Flooring	19-3/8	19	20	19-5/8
		Downflow Applications on Combustible Flooring Using KGASB
		Subbase	18-5/8	19	20-1/4	20-3/8
	21	Furnace with or without CD5 or CK5 Coil Assembly or KCAKC	18-5/8	19	20-1/4	20-3/8
		Furnace with or without CD5 or CK5 Coil Assembly or KCAKC
		Coil Box
		Coil Box
		Downflow Applications on Combustible Flooring NOT Using
		KGASB Subbase	19	19	20	20
		Furnace with or without CD5 or CK5 Coil Assembly or KCAKC	19	19	20	20
		Furnace with or without CD5 or CK5 Coil Assembly or KCAKC
		Coil Box
		Upflow Applications	23	24-1/8	23-5/8	24-3/4
		Downflow Applications on Non-Combustible Flooring	22-7/8	19	23-1/2	19-5/8
		Downflow Applications on Combustible Flooring Using KGASB
		Subbase	22-1/8	19	23-3/4	20-3/8
	24-1/2	Furnace with or without CD5 or CK5 Coil Assembly or KCAKC	22-1/8	19	23-3/4	20-3/8
		Furnace with or without CD5 or CK5 Coil Assembly or KCAKC
		Coil Box
		Coil Box
		Downflow Applications on Combustible Flooring NOT Using
		KGASB Subbase	22-1/2	19	23-1/2	20
		Furnace with or without CD5 or CK5 Coil Assembly or KCAKC	22-1/2	19	23-1/2	20
		Furnace with or without CD5 or CK5 Coil Assembly or KCAKC
		Coil Box

5/16″

(8mm)

(8mm)

5/16″

13/4″

(44mm)

(8mm) 5/16″

(44mm) 1 3/4″ (44mm)1 3/4″

13/4″

(44mm)

(8mm) 5/16″

A89014

Fig. 17—Leveling Legs

—18—

Image 18

Bryant 355MAV instruction manual OpeningDimensions in, LevelingLegs

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