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Thermo Products OH8FA119D60B Heating Speed Set-ups, OH6FA072DV4, Furnace Motor Current

Models: OH6FA072D48R OH8FA119D60B OH6FA072DV4B OH8FA119DV5B OH6FX072DV4R OH6FA072DV4R OH6FA072DV4N OH6FA072D48N OH6FA072D48B OH8FA119D60R OH8FA119DV5R

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Page 31

Heating Speed Set-ups

OH6FA072DV4

					Furnace Motor Current
					Draw (Amps/ / Watts) vs.
					External Static Pressure (in W.C.)

			Low Fire	Med Fire	High Fire
		BTUH	60,000	72,000	90,000	Static Pressure (Amps/Watts)
	Fan
	Control
	SW 1
	Switch	Heating	Aprox. Rise	Aprox. Rise	Aprox. Rise
	Settings	CFM	(F0 )	(F0 )	(F0 )	0.2	0.5
	3-OFF	740	75o			1.1/98	1.8/173
	3-OFF	740	75o			1.1/98	1.8/173
	2-OFF
	1-OFF
	3-OFF	812	68o	82o		1.3/114	2.1/193
	3-OFF
	2-OFF
	2-OFF
	1-ON
	3-OFF	883	63o	76o		1.5/129	2.4/218
	3-OFF
	2-ON
	2-ON
	1-OFF
Factory	3-OFF		57o	69o	86o
SW1 Switch	3-OFF	968				1.7/148	2.4/223
SW1 Switch	2-ON	968				1.7/148	2.4/223
Settings	1-ON
	3-ON
	3-ON	1054		63o	79o	1.9/173	2.7/246
	2-OFF	1054		63o	79o	1.9/173	2.7/246
	1-OFF
	3-ON	1153		58o	72o	2.3/207	3.0/283
	2-OFF			58o
	2-OFF
	1-ON
	3-ON	1267			66o	2.7/247	3.5/332
	2-ON	1267			66o	2.7/247	3.5/332
	1-OFF
	3-ON	1424			58o	3.4/315	4.3/409
	2-ON	1424			58o	3.4/315	4.3/409
	1-ON
		= Recommended Heating Speed Setting
		= Recommended Heating Speed Setting

Figure 18-1: ECM blower motor speed chart

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Thermo Products OH8FA119D60B Heating Speed Set-ups, OH6FA072DV4, Furnace Motor Current, Draw Amps/ / Watts vs

Contents

OH6FA072D48R OH6FA072D48BOH6FA072DV4B OH8FA119D60BCONTENTS Heat Exchanger Identifier ConfigurationModel Number Digit Fuel1.Excess oil has accumulated I. SAFETY SECTIONWARNING AND CAUTIONS CAUTION DO NOT ATTEMPT TO START THE BURNER WHENPage a. Combustible material A. CODES AND CLEARANCESb.Non-combustiblematerial TOP TYPE OFMODEL NO.1 FROM1. PREVENTION OF CHIMNEY CONDENSING A. CHIMNEY2. PROPER CHIMNEY HEIGHT 3. PROPER VENT CONNECTOR PIPE/CHIMNEY CONNECTION8. FLUE PIPE CLEARANCES, SIZING AND TYPE 6. TIGHT CLEAN-OUTDOORS AND CONNECTIONS5. TIGHT JOINTS 7. NO INTERCONNECTED CHIMNEY FLUESA.Equal the required clearance with no protection ROTATION OF FRONT FLUE ELBOW B. VENTINGNote Do not use with Direct Vent application C. DRAFT REGULATORSD. DUCT WORK/AIR CONDITIONING Airflow Requirements and Sizing of Duct WorkPage Page 7.The supply and return air ducts, or flexible joints, should be carefully secured and sealed to the appliance housing to prevent air leakage from, or into, the duct system. For best performance, insulate the outside surfaces of the ducts to reduce heat loss from, or heat gain to, the ducts 1.1 X TR TEMPERATURE RISE, F = HEATINGCFM E. Air Filter Mounted External to Furnace1.HEATING CFM HEAT OUTPUT OF FURNACE BTUH Connect the return air plenum to the filter rack and slide the filter into place. Dimensions for adapting the return air plenum to the filter rack are provided See Fig. 10a & 10b Air Velocity F. LIMIT POSITION AND LOCATIONMaximum Filter TypeG. BURNER INSTALLATION DO NOT CHANGE POSITION OF THE CHAMBER H. BURNER SPECIFICATIONS AND APPLICATIONS+ INSULATOR S = SLEEVE OR N = NONE EFFECTIVE HEATING OIL NOZZLE CAPACITY CHARTNOZZLE SIZE EQUIVALENT HEATFIRING MOUNTING THE 2-STAGERIELLO BURNER2 STAGE FIRING RATES CAPACITYI. OIL TANK AND PIPING K. ELECTRICAL WIRIING J. OIL FILTER115 VAC AssemblyMaximum ModelThermostat Anticipator Setting Preferred method of adjustment L. Blower Motor Speed Selection Draw Amps/ / Watts vs Heating Speed Set-upsOH6FA072DV4 Furnace Motor CurrentDraw Amps / Watts vs Heating Speed Set-upsOH8FA119DV5 Furnace Motor CurrentLOW CAPACITY SWITCHSETTINGS Heating Speed Set-ups 2 - Stage OH6FX072DV4External Static Pressure in W.C Figure 18-3 Cooling blower motor speed chartCooling Speed Set-ups OH6F*072DV4 Furnace Motor Current Draw Amps / Watts vsDraw Amps/Watts vs Figure 18-3A Cooling blower motor speed chartCooling Speed Set-ups OH8FA119DV5 Furnace Motor CurrentOH6FA072D48 Speed vs. color code for PSC Motor Low = Red OH8FA119D60Med-Low= Blue Med-High= Yellow High = Black TERMINAL DEFINITIONS & FIELD WIRING M. BLOWER CONTROLLER INFORMATION FOR PSC MOTORB. Outputs A. InputsC. Operating Modes Heat Mode DIAGNOSTIC FEATURES ECM & PSC TROUBLE SHOOTINGi.STOP! Read the safety information above N.STARTUP PROCEDURESOperating Instructions For Your Safety Read Before OperatingTo Turn Off Oil to Appliance 2. Adjustment of Burner CombustionCOMBUSTION HEAD SETTING FOR 2-STAGERIELLO BURNER TURN TO THE RIGHT SIGN + AIR DAMPER ADJUSTMENTTURN TO THE LEFT SIGN 2nd STAGE ADJUSTMENT 1st STAGE ADJUSTMENTNotice Minimum return air temperature is 55F 3. Adjustment Of Heat Input Rate4. Setting Supply Air Temperature Rise 5. Checkout Procedure CAUTION DO NOT ATTEMPT TO START THE BURNER WHEN III. USERS INFORMATION SECTIONC. INSPECTION AREAS CAUTION DO NOT ATTEMPT TO MAKE REPAIRS YOURSELFD. STARTING THE BURNER E. FILTER CLEANING AND LOCATIONIV. INSTALLERS INSTRUCTIONS TO USER A.GENERAL INSPECTION V. DEALER MAINTENANCESAFETY DURING SERVICING AND INSPECTION B. HEAT EXCHANGER C. HEAT EXCHANGER CLEANING INSTRUCTIONSVacuum Hose Length OH6 8FT OH8 8FT Figure 24 Heat Exchanger Clean-OutsF. SUPPLY/RETURN AIR FILTER Filter maintenance procedureD. ELECTRICAL SYSTEM E. SUPPLY/RETURN AIR BLOWERG. EXTENDED APPLIANCE SHUTDOWN Filter replacementON STARTUP Beckett Burner PERSONNEL, AND NOT BY THE FURNACE OWNER VII. TROUBLESHOOTINGNumber of flashes A. DIAGNOSTICSDiagnostic Features B. CAD CELL CHECKOUT PROCEDUREPage VIII. Sequence of Operations Flow Chart Page IX. Trouble Shooting Flow Chart Page Page Page Page COM BUSTION CUSTOMERHEATING SYSTEMReplacement Parts for OH6FA072D Appendix - A Replacement PartsReplacement Parts for OH8FA119D OH6FA072D48 PSC Wiring Diagram Appendix - B Wiring DiagramsOH6FA072DV4 ECM Wiring Diagram OH6FX072DV4 ECM 2-StageWiring Diagram OH8FA1119D60 PSC Wiring Diagram OH8FA1119DV5 ECM Wiring Diagram