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Bryant 355MAV instruction manual Combustion-Airand Vent Pipe Connections

Models: 355MAV

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Fig. 36—Combustion-Air and Vent Pipe Connections

Table 6—Approved Combustion-Air and Vent Pipe, Fitting and Cement Materials

SPECIFICATION	MATERIAL	PIPE	FITTINGS	SOLVENT CEMENT AND PRIMERS		DESCRIPTION
(MARKED ON MATERIAL)	MATERIAL	PIPE	FITTINGS	SOLVENT CEMENT AND PRIMERS		DESCRIPTION
D1527	ABS	Pipe	—		—	Schedule-40
D1785	PVC	Pipe	—		—	Schedule-40
D2235	For ABS	—	—		Solvent	For ABS
D2235	For ABS	—	—		Cement	For ABS
					Cement
D2241	PVC	Pipe	—		—	SDR-21 & SDR-26
D2466	PVC	—	Fittings		—	Schedule-40
D2468	ABS	—	Fittings		—	Schedule-40
D2564	For PVC	—	—		Solvent	For PVC
D2564	For PVC	—	—		Cement	For PVC
					Cement
D2661	ABS	Pipe	Fittings		—	DWV at Schedule-40 IPS sizes
D2665	PVC	Pipe	Fittings		—	DWV
F438	CPVC	—	Fittings		—	Schedule-40
F441	CPVC	Pipe	—		—	Schedule-40
F442	CPVC	Pipe	—		—	SDR
F493	For CPVC	—	—		Solvent	For CPVC
F493	For CPVC	—	—		Cement	For CPVC
					Cement
F628	ABS	Pipe	—		—	Cellular Core DWV at Schedule-40 IPS sizes
F656	For PVC	—	—		Primer	For PVC
F891	PVC	Pipe	—		—	Cellular Core Schedule-40 & DWV
	NOTE: Select 1 vent pipe connection and				NOTE: Select 1 vent pipe connection and
		1 combustion-air pipe connection.			1 combustion-air pipe connection.

AIR
COMBUSTION- FLOW COMBUSTION-
AIR	AIR	VENT
VENT				VENT
				VENT
	VENT
		COMBUSTION-	COMBUSTION-
		AIR	AIR	AIR
			AIR
			FLOW
UPFLOW		DOWNFLOW
			COMBUSTION-
COMBUSTION-			AIR
COMBUSTION-
AIR			VENT
VENT			VENT
AIR				AIR
FLOW				FLOW

HORIZONTAL-LEFT DISCHARGE

HORIZONTAL-RIGHT DISCHARGE

A96187

Fig. 36—Combustion-Air and Vent Pipe Connections

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Image 32

Bryant 355MAV instruction manual Combustion-Airand Vent Pipe Connections

Contents

TABLE OF CONTENTS Installation, Start-up,and Operating InstructionsDeluxe 4-WayMultipoise 355MAVGeneral SAFETY CONSIDERATIONS Fig. 1-MultipoiseOrientationsINTRODUCTION CODES AND STANDARDSDimensions in Fig. 2-DimensionalDrawingFig. 3-Clearancesto Combustibles INSTALLATIONFig. 4-CondensateTrap ELECTROSTATIC DISCHARGE ESD PRECAUTION PROCEDUREAPPLICATIONS PROCEDURE 1-GENERAL PROCEDURE 2-UPFLOWAPPLICATIONS Fig. 5-Factory-ShippedUpflow Tube ConfigurationShown with Blower Access Panel Removed h.Attach tube to coupling and clamp securely F. Pressure Switch Tubing PROCEDURE 3-DOWNFLOWAPPLICATIONSFig. 7-DownflowTube Configuration Left-HandTrap InstallationB. Condensate Trap Tubing Fig. 8-DownflowTube ConfigurationRight-HandTrap Installation D. Pressure Switch Tubing C.Condensate Trap Field Drain AttachmentE. Condensate Trap Freeze Protection A. Condensate Trap LocationFig. 9-HorizontalLeft Tube Configuration C. Condensate Trap Field Drain AttachmentsF. Construct a Working Platform D. Pressure Switch TubingB. Condensate Trap Tubing Fig. 10-AtticLocation and Working PlatformA. Condensate Trap Location D. Pressure Switch Tubing Fig. 11-HorizontalRight Tube ConfigurationC. Condensate Trap Field Drain Attachment LOCATION PROCEDURE 1-GENERAL Fig. 13-Return-AirTemperatureFig. 12-FurnaceLocation for Proper Condensate DrainageFig. 15-FreezeProtection Fig. 14-ProhibitInstallation on BackPROCEDURE 2-LOW-FIREONLY INSTALLATION PROCEDURE 4-HAZARDOUSLOCATIONS Fig. 16-Installationin a GarageINSTALLATION PROCEDURE 1-LEVELINGLEGS IF DESIRED 1.Size gas piping based on the high-fireinputTable 1-OpeningDimensions in Fig. 17-LevelingLegson a Combustible Floor Fig. 18-Floorand Plenum Opening DimensionsFig. 19-Furnace,Plenum, and Subbase Installed Fig. 20-Furnace,Plenum, and Coil Assembly or Coil Box Installed on a Combustible FloorPROCEDURE 4-AIRDUCTS A. General Requirements Fig. 21-DuctFlangesFig. 22-CrawlspaceHorizontal Application B. Ductwork Acoustical TreatmentC. Supply Air Connections UPFLOW FURNACESPROCEDURE 5-FILTERARRANGEMENT Fig. 23-FilterInstalled for Side InletPROCEDURE 6-BOTTOMCLOSURE PANEL PROCEDURE 7-GASPIPING171⁄2-IN.WIDE CASINGS ONLY Fig. 24-BottomFilter ArrangementFig. 25-RemovingBottom Closure Panel Table 3-MaximumCapacity of Pipe Fig. 26-TypicalGas Pipe ArrangementPROCEDURE 8-ELECTRICALCONNECTIONS A. 115-VWiringFig. 28-DisconnectSwitch and Furnace B. 24-VWiringC.Accessories Table 4-ElectricalDataPROCEDURE 9-DIRECTVENTING Fig. 29-Relocating J-BoxFig. 30-UnitWiring Diagram Fig. 31-ControlCenter Fig. 32-EACTerminals on Control CenterB. Combustion-Airand Vent Piping 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 Fig. 43-SidewallTermination of Less than 12 in EXTENDED EXPOSED SIDEWALL PIPESTWO-PIPETERMINATION KIT CONCENTRIC VENT/AIR TERMINATION KITD. Multiventing and Vent Terminations PROCEDURE 10-CONDENSATEDRAIN A. GeneralAmbient B. Application C. Condensation Drain ProtectionFig. 47-SidewallTermination of 12 in. or Less Fig. 48-SidewallTermination of More than 12 inSEQUENCE OF OPERATION Fig. 49-Exampleof Field Drain AttachmentFig. 50-CondensateTrap Heat Tape PROCEDURE 1-SELF-TESTMODE PROCEDURE 2-HEATINGMODEPROCEDURE 3-HEATING MODE-TWOSTAGE PROCEDURE 4-EMERGENCYHEAT MODEPROCEDURE 5-COOLINGMODE PROCEDURE 6-HEATPUMP MODEA. Single-SpeedApplications B.Two-SpeedApplicationsB. Two-SpeedApplications PROCEDURE 7-CONTINUOUSFAN MODEPROCEDURE 8-COMPONENTTEST PROCEDURE 9-BYPASSHUMIDIFIER MODE PROCEDURE 10-DEHUMIDIFICATIONMODETable 10-BlowerOff Delay Setup Switch SW Position PROCEDURE 11-ZONEMODESTART-UPPROCEDURES PROCEDURE 1-GENERAL PROCEDURE 2-SELECTSETUP SWITCH POSITIONSFig. 53-Exampleof Setup Switch in OFF Position Fig. 54-InducerHousing Drain TubeC. Setup Switches SW 1 OFFTable 11-SetupSwitch Description Table 12-BlowerOff Delay Setup Switch PositionPROCEDURE 3-PRIMECONDENSATE TRAP WITH WATER PROCEDURE 4-PURGEGAS LINESFig. 55-FillingCondensate Trap Sea Level Sea Level Sea Level CANADAFig. 57-BurnerOrifice B. Set Temperature RiseFig. 56-RedundantAutomatic Gas Valve C. Set Thermostat Heat Anticipator Fig. 58-BurnerFlameTable 14-AltitudeDerate Multiplier for U.S.A PROCEDURE 6-CHECKSAFETY CONTROLS B. Check Pressure SwitchesTable 15-GasRate Cu Ft/Hr A. Check Primary Limit ControlPROCEDURE 7-CHECKLIST Fig. 59-AmpDraw Check with AmmeterPage Book/Tab 1/6 Catalog No