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Thermo Products OH8FA119DV5R Heating Speed Set-ups 2 - Stage OH6FX072DV4, Low Capacity, Btuh

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

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Heating Speed Set-ups ( 2 – Stage )

Heating Speed Set-ups ( 2 – Stage )

OH6FX072DV4

				HEATING AIR FLOW / TEMPERATURE RISE

					LOW CAPACITY			HIGH CAPACITY

	FAN		BTUH		LOW FIRE	HI FIRE		LOW FIRE	HI FIRE
	CONTROL		BTUH		60,000	72,000		72,000	90,000
	CONTROL				60,000	72,000		72,000	90,000
	SW 1		HEATING		APPROX.	APPROX.		APPROX.	APPROX.
	SWITCH		HEATING		CFM/RISE	CFM/RISE		CFM/RISE	CFM/RISE
	SWITCH		CFM		CFM/RISE	CFM/RISE		CFM/RISE	CFM/RISE
	SETTINGS		CFM		(ºF)	(ºF)		(ºF)	(ºF)
	3	– OFF
	2	– OFF	740		592 / 94º	740 / 90º		592 / 113º	740 / 113º
	1	– OFF
	3	– OFF
	2	– OFF	812		650 / 85º	812 / 82º		650 / 103º	812 / 103º
	1	– ON
	3	– OFF
	2	– ON	883		706 / 79º	883 / 75º		706 / 94º	883 / 94º
	1	– OFF
	3	– OFF
	2	– ON	968		744 / 72º	968 / 69º		774 / 86º	968 / 86º
	1	– ON
	3	– ON	1054		843 / 66º	1054 / 63º		843 / 79º	1054 / 79º
	2	– OFF	1054		843 / 66º	1054 / 63º		843 / 79º	1054 / 79º
	1	– OFF
	3	– ON
	2	– OFF	1153		922 / 60º	1153 / 58º		922 / 72º	1153 / 72º
	1	– ON
FACTORY	3	– ON
SW1	3	– ON	1267		1013 / 55º	1267 / 53º		1013 / 66º	1267 / 66º
SW1	2 – ON
SWITCH
SWITCH
SETTINGS	1 – OFF
	3	– ON
	2	– ON	1424		1139 / 49º	1424 / 47º		1139 / 59º	1424 / 59º
	1	– ON

= Recommended heating speed setting

Figure 18-2: ECM 2-stage blower motor speed chart

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Thermo Products OH8FA119DV5R Heating Speed Set-ups 2 - Stage OH6FX072DV4, Low Capacity, High Capacity, Btuh, Low Fire

Contents

OH6FA072DV4B OH6FA072D48BOH8FA119D60B OH6FA072D48RCONTENTS Model Number Digit ConfigurationFuel Heat Exchanger IdentifierWARNING AND CAUTIONS I. SAFETY SECTIONCAUTION DO NOT ATTEMPT TO START THE BURNER WHEN 1.Excess oil has accumulatedPage a. Combustible material A. CODES AND CLEARANCESb.Non-combustiblematerial MODEL NO.1 TYPE OFFROM TOP1. PREVENTION OF CHIMNEY CONDENSING A. CHIMNEY2. PROPER CHIMNEY HEIGHT 3. PROPER VENT CONNECTOR PIPE/CHIMNEY CONNECTION5. TIGHT JOINTS 6. TIGHT CLEAN-OUTDOORS AND CONNECTIONS7. NO INTERCONNECTED CHIMNEY FLUES 8. FLUE PIPE CLEARANCES, SIZING AND TYPEA.Equal the required clearance with no protection ROTATION OF FRONT FLUE ELBOW B. VENTINGD. DUCT WORK/AIR CONDITIONING C. DRAFT REGULATORSAirflow Requirements and Sizing of Duct Work Note Do not use with Direct Vent applicationPage 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 E. Air Filter Mounted External to Furnace 1.1 X TR TEMPERATURE RISE, F = HEATINGCFM1.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 Maximum F. LIMIT POSITION AND LOCATIONFilter Type Air VelocityG. BURNER INSTALLATION H. BURNER SPECIFICATIONS AND APPLICATIONS DO NOT CHANGE POSITION OF THE CHAMBER+ INSULATOR S = SLEEVE OR N = NONE NOZZLE SIZE OIL NOZZLE CAPACITY CHARTEQUIVALENT HEAT EFFECTIVE HEATING2 STAGE FIRING RATES MOUNTING THE 2-STAGERIELLO BURNERCAPACITY FIRINGI. OIL TANK AND PIPING K. ELECTRICAL WIRIING J. OIL FILTERMaximum AssemblyModel 115 VACThermostat Anticipator Setting Preferred method of adjustment L. Blower Motor Speed Selection OH6FA072DV4 Heating Speed Set-upsFurnace Motor Current Draw Amps/ / Watts vsOH8FA119DV5 Heating Speed Set-upsFurnace Motor Current Draw Amps / Watts vsSETTINGS SWITCHHeating Speed Set-ups 2 - Stage OH6FX072DV4 LOW CAPACITYCooling Speed Set-ups OH6F*072DV4 Figure 18-3 Cooling blower motor speed chartFurnace Motor Current Draw Amps / Watts vs External Static Pressure in W.CCooling Speed Set-ups OH8FA119DV5 Figure 18-3A Cooling blower motor speed chartFurnace Motor Current Draw Amps/Watts vsOH6FA072D48 OH8FA119D60 Speed vs. color code for PSC Motor Low = RedMed-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 SHOOTINGOperating Instructions N.STARTUP PROCEDURESFor Your Safety Read Before Operating i.STOP! Read the safety information aboveTo Turn Off Oil to Appliance 2. Adjustment of Burner CombustionCOMBUSTION HEAD SETTING FOR 2-STAGERIELLO BURNER AIR DAMPER ADJUSTMENT TURN TO THE RIGHT SIGN +TURN 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 C. INSPECTION AREAS III. USERS INFORMATION SECTIONCAUTION DO NOT ATTEMPT TO MAKE REPAIRS YOURSELF CAUTION DO NOT ATTEMPT TO START THE BURNER WHEND. STARTING THE BURNER E. FILTER CLEANING AND LOCATIONIV. INSTALLERS INSTRUCTIONS TO USER V. DEALER MAINTENANCE A.GENERAL INSPECTIONSAFETY DURING SERVICING AND INSPECTION B. HEAT EXCHANGER C. HEAT EXCHANGER CLEANING INSTRUCTIONSVacuum Hose Length OH6 8FT OH8 8FT Figure 24 Heat Exchanger Clean-OutsD. ELECTRICAL SYSTEM Filter maintenance procedureE. SUPPLY/RETURN AIR BLOWER F. SUPPLY/RETURN AIR FILTERG. EXTENDED APPLIANCE SHUTDOWN Filter replacementON STARTUP Beckett Burner PERSONNEL, AND NOT BY THE FURNACE OWNER VII. TROUBLESHOOTINGDiagnostic Features A. DIAGNOSTICSB. CAD CELL CHECKOUT PROCEDURE Number of flashesPage VIII. Sequence of Operations Flow Chart Page IX. Trouble Shooting Flow Chart Page Page Page Page HEATING CUSTOMERSYSTEM COM BUSTIONReplacement 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