Manuals / Bryant / Household Appliance / Furnace

Bryant 340MAV instruction manual ControlCenter

Models: 340MAV

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TWINNING AND/OR

BLOWER OFF-DELAYCOMPONENT TEST

TERMINAL

J2 JUMPER

				BLOWER OFF-DELAY
			J2	90 150	120 180			HUMIDIFIER TERMINAL
								(24-VAC 0.5 AMP MAX.)
24-V THERMOSTAT		G
24-V THERMOSTAT
TERMINALS	24V	Com
	24V	Com
		W						TRANSFORMER 24-VAC
								TRANSFORMER 24-VAC
		Y	TEST/TWIN		PLT			CONNECTIONS
		Y	TEST/TWIN		PLT
		R		HUM
	STATUS			0.5 AMP@24VAC
3-AMP FUSE	STATUS	FUSE 3-AMP
3-AMP FUSE

	CODE		SEC-2 SEC-1
LED OPERATION &	CODE		EAC-2	L2
DIAGNOSTIC LIGHT	LED	NUETRAL	EAC-2	L2
DIAGNOSTIC LIGHT				PLT
				PLT				PL1-LOW VOLTAGE MAIN
								PL1-LOW VOLTAGE MAIN
115-VAC(L2)NEUTRAL		BLW						HARNESS CONNECTOR
115-VAC(L2)NEUTRAL
CONNECTIONS				1
CONNECTIONS
	COOL
COOL	HEAT
HEAT	HEAT
HEAT
					1-AMP@		L1
			SPARE-1 SPARE-2		EAC-1 115VAC	PR-1	L1
			SPARE-1 SPARE-2		EAC-1 115VAC	PR-1	PL2	1
							PL2	1
	SPARE-1

SPARE-2	115 VAC (L1) LINE	PL2-HOT SURFACE
SPARE-2	VOLTAGE CONNECTION	IGNITER & INDUCER
BLOWER SPEED		MOTOR CONNECTOR
SELECTION TERMINALS		MOTOR CONNECTOR
SELECTION TERMINALS
	EAC-1 TERMINAL
	(115-VAC 1.0 AMP MAX.)
		A02100
	Fig. 31—Control Center

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Bryant 340MAV instruction manual ControlCenter

Contents

4-WAYMULTIPOISE SAFETY CONSIDERATIONSinstallation, start-up and operating instructions 340MAV Series JFig. 1-MultipoiseOrientations Fig. 2-DimensionalDrawing DIMENSIONS INCODES AND STANDARDS I. SAFETYII. GENERAL INSTALLATION VI. GAS PIPING AND GAS PIPE PRESSURE TESTINGVII. ELECTRICAL CONNECTIONS Fig. 4-Return-AirTemperatureELECTROSTATIC DISCHARGE ESD PRECAUTIONS Fig. 5-CondensateTrapINTRODUCTION Fig. 6-Factory-ShippedUpflow Tube ConfigurationShown With Blower Access Panel Removed Fig. 7-AlternateUpflow Tube Configuration andE. Condensate Trap Field Drain Attachment F. Pressure Switch TubingRight-HandTrap Installation Fig. 8-DownflowTube ConfigurationLeft-HandTrap Installation Fig. 9-DownflowTube ConfigurationE. Condensate Trap Freeze Protection Fig. 10-HorizontalLeft Tube ConfigurationD. Pressure Switch Tubing C.Condensate Trap Field Drain AttachmentD. Pressure Switch Tubing C. Condensate Trap Field Drain AttachmentE.Condensate Trap Freeze Protection F. Construct a Working PlatformFig. 11-AtticLocation and Working Platform Fig. 12-HorizontalRight Tube ConfigurationD. Pressure Switch Tubing Condensate Trap LocationCondensate Trap Tubing LOCATIONFig. 15-FreezeProtection Fig. 14-ProhibitInstallation on BackFig. 13-FurnaceLocation for Proper Condensate DrainageIII. HAZARDOUS LOCATIONS Fig. 16-Installationin a GarageINSTALLATION III. INSTALLATION IN HORIZONTAL APPLICATIONSTABLE 1-OPENINGDIMENSIONS IN Fig. 18-Floorand Plenum Opening DimensionsAssembly or Coil Box Installed Installed on a Combustible FloorFig. 22-CrawlspaceHorizontal Application Fig. 21-DuctFlangesII. DUCTWORK ACOUSTICAL TREATMENT C.Horizontal Furnaces Fig. 23-FilterInstalled for Side InletIII. SUPPLY AIR CONNECTIONS A. Upflow Furnaces B.Downflow FurnacesVII. GAS PIPING Fig. 25-RemovingBottom Closure PanelFig. 24-BottomFilter Arrangement VI. BOTTOM CLOSURE PANELFig. 26-TypicalGas Pipe Arrangement ELECTRICAL CONNECTIONSFig. 29-Relocating J-Box I. 115-VWIRING24-VWIRING ACCESSORIESFig. 30-WiringDiagram II. COMBUSTION-AIRAND VENT PIPING A.General TABLE 4-ELECTRICALDATADIRECT VENTING WARNING CARBON MONOXIDE POISONING HAZARDFig. 31-ControlCenter Fig. 32-Combustion-Airand Vent Pipe Diameter Transition Location and Elbow ConfigurationTABLE 5-COMBUSTION-AIRAND VENT PIPE TERMINATION CLEARANCESC. Combustion-Airand Vent Pipe Attachment Fig. 33-Combustion-Airand Vent Pipe ConnectionsB.Combustion-Airand Vent Pipe Diameter Fig. 34-ShortVent 5 to 8 Ft System TABLE 7-MAXIMUMALLOWABLE PIPE LENGTH FT TABLE 7-MAXIMUMALLOWABLE PIPE LENGTH FT CONTINUED TABLE 7-MAXIMUMALLOWABLE PIPE LENGTH FT CONTINUED Fig. 35-AirIntake Housing Plug Fitting DrainB.Two-PipeTermination Kit A. Extended Exposed Sidewall PipesIV. MULTIVENTING AND VENT TERMINATIONS DESIGN TEMPERATURE AMBIENTC.Concentric Vent/Air Termination Kit Fig. 38-ConcentricVent and Combustion-AirSide Fig. 36-RoofTermination PreferredFig. 37-ConcentricVent and Combustion-AirRoof Termination PreferredSide Termination Fig. 42-ConcentricVent and Combustion-AirRoof Termination Fig. 43-ConcentricVent and Combustion-AirIII. CONDENSATE DRAIN PROTECTION CONDENSATE DRAIN I. GENERALII. APPLICATION Fig. 46-Exampleof Field Drain AttachmentIII. CONTINUOUS BLOWER MODE SEQUENCE OF OPERATIONI. HEATING MODE II.COOLING MODEII.PRIME CONDENSATE TRAP WITH WATER START-UPPROCEDURES I.GENERALIV. ADJUSTMENTS A. Set Gas Input Rate V. COMPONENT TESTFig. 51-BurnerOrifice Fig. 48-InducerHousing Drain CapFig. 50-RedundantAutomatic Gas Valve Fig. 49-FillingCondensate TrapFOR USE WITH 040 THROUGH 120 SIZE FURNACES ONLY FOR USE WITH 040 THROUGH 120 SIZE FURNACES ONLY ContinuedFOR USE WITH 040 THROUGH 120 SIZE FURNACES ONLY ContinuedFOR USE WITH 140 SIZE FURNACES ONLY FOR USE WITH 140 SIZE FURNACES ONLY ContinuedTABLE 11-ALTITUDEDERATE MULTIPLIER Fig. 52-BurnerFlameCHECK SAFETY CONTROLS B. Set Temperature RiseTABLE 14-BLOWEROFF DELAY SETUP POSITION C.Blower Off Delay Heat ModeI. CHECK PRIMARY LIMIT CONTROL II. CHECK PRESSURE SWITCHCHECKLIST Fig. 53-AmpDraw Check with AmmeterCHECKLIST—INSTALLATION Page Catalog No 340m4011

Fig. 31—Control Center

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