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Bryant 355MAV instruction manual

Models: 355MAV

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CHECKLIST—INSTALLATION

Load Calculation			Condensate Drain
_______			_______		Unit Level or Pitched Forward
_______		Heating Load (Btuh)	_______		Internal Tubing Connections Freeof Kinks and Traps
_______		Cooling Load (Btuh)	_______		External Drain Connection Leak tight and Sloped
_______		Furnace Model Selection	_______		Condensate Trap Primed before Start-Up
			_______		Heat Tape Installed if Required
COMBUSTION AND VENT PIPING			CHECKLIST—START-UP
Terminal Location			CHECKLIST—START-UP
Terminal Location
_______		Roof or Sidewall
_______		Termination Kit — 2 Pipe or Concentric
______		Combustion-Air Pipe Length
______		Combustion-Air Elbow Quantity	______		Gas Input Rate(Set Within 2 percent of RatingPlate)
______		Vent Pipe Elbow Quantity	______		Temperature Rise Adjusted
______		Pipe Diameter Determined from
______		Sizing Table
______		Pipe Sloped to Furnace
Pipe Insulation			Thermostat Anticipator
______		Over Ceilings	______		Anticipator Setting Adjusted or
______		Low-Ambient Exposed Pipes	______		Cycle Rate (3 Cycles per Hr)Selected
Safety Controls Check Operaton
______			Primary Limit
______			Pressure Switch

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Image 59

Bryant 355MAV instruction manual

Contents

355MAV TABLE OF CONTENTSInstallation, Start-up,and Operating Instructions Deluxe 4-WayMultipoiseGeneral CODES AND STANDARDS SAFETY CONSIDERATIONSFig. 1-MultipoiseOrientations INTRODUCTIONFig. 2-DimensionalDrawing Dimensions inINSTALLATION Fig. 3-Clearancesto CombustiblesFig. 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 Left-HandTrap Installation F. Pressure Switch TubingPROCEDURE 3-DOWNFLOWAPPLICATIONS Fig. 7-DownflowTube ConfigurationB. Condensate Trap Tubing Fig. 8-DownflowTube ConfigurationRight-HandTrap Installation A. Condensate Trap Location D. Pressure Switch TubingC.Condensate Trap Field Drain Attachment E. Condensate Trap Freeze ProtectionD. Pressure Switch Tubing Fig. 9-HorizontalLeft Tube ConfigurationC. Condensate Trap Field Drain Attachments F. Construct a Working PlatformB. 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 Fig. 13-Return-AirTemperature LOCATION PROCEDURE 1-GENERALFig. 12-FurnaceLocation for Proper Condensate DrainageFig. 15-FreezeProtection Fig. 14-ProhibitInstallation on BackPROCEDURE 2-LOW-FIREONLY INSTALLATION 1.Size gas piping based on the high-fireinput PROCEDURE 4-HAZARDOUSLOCATIONSFig. 16-Installationin a Garage INSTALLATION PROCEDURE 1-LEVELINGLEGS IF DESIREDFig. 17-LevelingLegs Table 1-OpeningDimensions inon a Combustible Floor Fig. 18-Floorand Plenum Opening DimensionsFig. 19-Furnace,Plenum, and Subbase Installed Fig. 21-DuctFlanges Fig. 20-Furnace,Plenum, and Coil Assembly orCoil Box Installed on a Combustible Floor PROCEDURE 4-AIRDUCTS A. General RequirementsUPFLOW FURNACES Fig. 22-CrawlspaceHorizontal ApplicationB. Ductwork Acoustical Treatment C. Supply Air ConnectionsPROCEDURE 7-GASPIPING PROCEDURE 5-FILTERARRANGEMENTFig. 23-FilterInstalled for Side Inlet PROCEDURE 6-BOTTOMCLOSURE PANEL171⁄2-IN.WIDE CASINGS ONLY Fig. 24-BottomFilter ArrangementFig. 25-RemovingBottom Closure Panel Fig. 26-TypicalGas Pipe Arrangement Table 3-MaximumCapacity of PipeA. 115-VWiring PROCEDURE 8-ELECTRICALCONNECTIONSTable 4-ElectricalData Fig. 28-DisconnectSwitch and FurnaceB. 24-VWiring C.AccessoriesFig. 29-Relocating J-Box PROCEDURE 9-DIRECTVENTINGFig. 30-UnitWiring Diagram GENERAL Fig. 31-ControlCenterFig. 32-EACTerminals on Control Center B. Combustion-Airand Vent PipingFig. 33-355MAVVariable Speed Furnace Control Fig. 34-ThermidistatConnectionPage Fig. 36-Combustion-Airand Vent Pipe Connections COMBUSTION-AIRAND VENT PIPE DIAMETER Fig. 37-ShortVent 5 to 8 ft SystemCOMBUSTION-AIRAND VENT PIPE ATTACHMENT Table 7-MaximumAllowable Pipe Length ftTable 7-MaximumAllowable Pipe Length ft Continued Table 7-MaximumAllowable Pipe Length ft Continued Fig. 38-IntakeHousing Plug Fitting DrainFig. 39-RoofTermination Preferred Fig. 42-SidewallTermination of 12 in. or More CONCENTRIC VENT/AIR TERMINATION KIT Fig. 43-SidewallTermination of Less than 12 inEXTENDED EXPOSED SIDEWALL PIPES TWO-PIPETERMINATION KITD. Multiventing and Vent Terminations PROCEDURE 10-CONDENSATEDRAIN A. GeneralAmbient C. Condensation Drain Protection B. ApplicationFig. 48-SidewallTermination of More than 12 in Fig. 47-SidewallTermination of 12 in. or LessSEQUENCE OF OPERATION Fig. 49-Exampleof Field Drain AttachmentFig. 50-CondensateTrap Heat Tape PROCEDURE 4-EMERGENCYHEAT MODE PROCEDURE 1-SELF-TESTMODEPROCEDURE 2-HEATINGMODE PROCEDURE 3-HEATING MODE-TWOSTAGEB.Two-SpeedApplications PROCEDURE 5-COOLINGMODEPROCEDURE 6-HEATPUMP MODE A. Single-SpeedApplicationsB. Two-SpeedApplications PROCEDURE 7-CONTINUOUSFAN MODEPROCEDURE 8-COMPONENTTEST PROCEDURE 10-DEHUMIDIFICATIONMODE PROCEDURE 9-BYPASSHUMIDIFIER MODEPROCEDURE 2-SELECTSETUP SWITCH POSITIONS Table 10-BlowerOff Delay Setup Switch SW PositionPROCEDURE 11-ZONEMODE START-UPPROCEDURES PROCEDURE 1-GENERAL1 OFF Fig. 53-Exampleof Setup Switch in OFF PositionFig. 54-InducerHousing Drain Tube C. Setup Switches SWPROCEDURE 4-PURGEGAS LINES Table 11-SetupSwitch DescriptionTable 12-BlowerOff Delay Setup Switch Position PROCEDURE 3-PRIMECONDENSATE TRAP WITH WATERFig. 55-FillingCondensate Trap Sea Level Sea Level CANADA Sea LevelB. Set Temperature Rise Fig. 56-RedundantAutomatic Gas ValveFig. 57-BurnerOrifice C. Set Thermostat Heat Anticipator Fig. 58-BurnerFlameTable 14-AltitudeDerate Multiplier for U.S.A A. Check Primary Limit Control PROCEDURE 6-CHECKSAFETY CONTROLSB. Check Pressure Switches Table 15-GasRate Cu Ft/HrFig. 59-AmpDraw Check with Ammeter PROCEDURE 7-CHECKLISTPage Catalog No Book/Tab 1/6