Manuals / Thermo Products / Household Appliance / Furnace

Thermo Products OH6FA072DV4N, OH8FA119DV5R, OH8FA119D60R, OH6FA072D48N Heating Speed Set-ups

Models: OH8FA119D60B OH8FA119DV5B OH6FX072DV4R OH6FA072DV4N OH6FA072D48N OH8FA119D60R OH8FA119DV5R

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Heating Speed Set-ups

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
	Fan
	Control
	SW 1	Heating	Aprox. Rise	Aprox. Rise	Aprox. Rise
	Switch	Heating	Aprox. Rise	Aprox. Rise	Aprox. Rise
	Settings	CFM	(F0 )	(F0 )	(F0 )
	3-OFF	740	75o
	3-OFF	740	75o
	2-OFF
	1-OFF
	3-OFF		o	o
	3-OFF		o	o
	2-OFF	812	68	82
	1-ON
	3-OFF		o	o
	3-OFF		o	o
	2-ON	883	63	76
	2-ON	883
	1-OFF
Factory
SW1	3-OFF	968	57o	69o	86o
Switch	2-ON
Settings	1-ON
	3-ON			o	o
	2-OFF	1054		63	79
	1-OFF
	3-ON			o	o
	2-OFF	1153		58	72
	2-OFF	1153
	1-ON
	3-ON				o
	2-ON	1267			66
	2-ON	1267
	1-OFF
	3-ON				o
	2-ON	1424			58
	1-ON

0.2

0.9/75

1.0/86

1.1/95

1.2/110

1.4/128

1.7/153

2.1/192

2.8/263

0.40.6

1.4/123 1.7/156

1.5/136	1.9/172

1.6/143	2.2/199

1.8/165	2.5/233

2.0/183	2.6/244

2.4/221	2.9/267

2.7/252	3.2/310

3.4/325	4.1/394

= Recommended Heating Speed Setting

Figure 18-1: ECM blower motor speed chart

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Thermo Products OH6FA072DV4N, OH8FA119DV5R, OH8FA119D60R, OH6FA072D48N, OH6FX072DV4R, OH8FA119DV5B Heating Speed Set-ups

Contents

OH6FA072D48R OH6FA072D48BOH6FA072DV4B OH8FA119D60BCONTENTS Heat Exchanger Identifier ConfigurationModel Number Digit FuelχCAUTION:DO NOT ATTEMPT TO START THE BURNER WHEN I. SAFETY SECTIONSERVICE PERSON. See Page χWARNING AND CAUTIONSPage a. Combustible material A. CODES AND CLEARANCESb.Non-combustiblematerial SIDES OF TYPE OFMODEL NO.1 FROM1. PROPER CHIMNEY SIZE A. CHIMNEY2. PREVENTION OF CHIMNEY CONDENSING 3. PROPER CHIMNEY HEIGHT 4. PROPER VENT CONNECTOR PIPE/CHIMNEY CONNECTIONB. FLUE PIPE CLEARANCES, SIZING AND TYPE 7. TIGHT CLEAN-OUTDOORS AND CONNECTIONS6. TIGHT JOINTS 8. NO INTERCONNECTED CHIMNEY FLUESA.Equal the required clearance with no protection ROTATION OF FRONT FLUE ELBOW B. VENTINGD. DUCT WORK/AIR CONDITIONING C. DRAFT REGULATORSNote: Do not use with Direct Vent application Airflow Requirements and Sizing of Duct Work 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 OH6FA072DV4 Heating Speed Set-upsDraw Amps / Watts vs Heating Speed Set-upsOH8FA119DV5 Furnace Motor CurrentHeating Speed Set-ups 2 – Stage OH6FX072DV4 Figure 18-2:ECM 2-stageblower motor speed chartExternal Static Pressure in W.C Cooling Speed Set-ups OH6F*072DV4Furnace Motor Current Draw Amps / Watts vsExternal Static Pressure in W.C Cooling Speed Set-ups OH8FA119DV5Furnace Motor Current Draw Amps/Watts vsOH6FA072D48 Speed vs. color code for PSC Motor Low = Red OH8FA119D60Med-Low= Blue Med-High= Yellow High = Black 34 TERMINAL DEFINITIONS & FIELD WIRING M. BLOWER CONTROLLER INFORMATION FOR PSC MOTORB. Outputs A. InputsC. Operating Modes Heat Mode DIAGNOSTIC FEATURES 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 χCAUTION:DO NOT ATTEMPT TO START THE BURNER WHEN III. USERS INFORMATION SECTIONC. INSPECTION AREAS χCAUTION:DO NOT ATTEMPT TO MAKE REPAIRS YOURSELFD. STARTING THE BURNER E. FILTER CLEANING AND LOCATIONIV. INSTALLERS INSTRUCTIONS TO USER SAFETY DURING SERVICING AND INSPECTION V. DEALER MAINTENANCEA.GENERAL INSPECTION B.HEAT EXCHANGERSERVICE PERSON 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 2.Remove the furnace front door Riello Burner VII. TROUBLESHOOTINGPERSONNEL, AND NOT BY THE FURNACE OWNER Beckett BurnerNumber 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 HEATING CUSTOMERSYSTEM Replacement Parts for OH6FA072D Appendix – A Replacement PartsReplacement Parts for OH8FA119D OH6FA072D48 PSC Wiring Diagram 71 Appendix – B Wiring DiagramsOH6FA072DV4 ECM Wiring Diagram OH6FX072DV4 ECM 2-StageWiring Diagram OH8FA1119D60 PSC Wiring Diagram 74 OH8FA1119DV5 ECM Wiring Diagram