Manuals / Thermo Products / Household Appliance / Furnace

Thermo Products OH8FA119D60R Cooling Speed Set-ups OH6F*072DV4, External Static Pressure in W.C

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

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Page 34

Cooling Speed Set-ups

OH6F*072DV4

Furnace Motor Current

Draw (Amps / Watts) vs.

External Static Pressure (in W.C)

Air Flow

Static Pressure (Amps/Watts)

		Fan
		Control
		SW 1
		Switch
		Settings	Clg. Tonage	Cool	Continuous	0.2	0.5
		6-OFF	2	799	500	1.2/109	2.1/186
		5-OFF	2	799	500	1.2/109	2.1/186
		5-OFF
		4-OFF
		6-OFF	2.5	1017	508	1.8/160	2.5/230
		5-OFF	2.5	1017	508	1.8/160	2.5/230
		5-OFF
		4-ON
		6-OFF	3	1210	605	2.4/220	3.3/308
		5-ON	3	1210	605	2.4/220	3.3/308
		5-ON
		4-OFF
		6-OFF	3.5	1404	702	3.2/305	4.2/409
		5-ON	3.5	1404	702	3.2/305	4.2/409
		4-ON
	Factory
	SW1	6-ON	4	1622	799	4.6/443	5.7/560
	Switch	5-OFF	4	1622	799	4.6/443	5.7/560
	Switch	5-OFF
	Settings	4-OFF

NOTE: All information is approximate. Results will vary by installation.

Figure 18-3: Cooling blower motor speed chart

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Image 34

Thermo Products OH8FA119D60R, OH8FA119DV5R Cooling Speed Set-ups OH6F*072DV4, Furnace Motor Current Draw Amps / Watts vs

Contents

OH8FA119D60B OH6FA072D48BOH6FA072DV4B OH6FA072D48RCONTENTS Fuel ConfigurationModel Number Digit Heat Exchanger IdentifierCAUTION DO NOT ATTEMPT TO START THE BURNER WHEN I. SAFETY SECTIONWARNING AND CAUTIONS 1.Excess oil has accumulatedPage A. CODES AND CLEARANCES a. Combustible materialb.Non-combustiblematerial FROM TYPE OFMODEL NO.1 TOPA. CHIMNEY 1. PREVENTION OF CHIMNEY CONDENSING3. PROPER VENT CONNECTOR PIPE/CHIMNEY CONNECTION 2. PROPER CHIMNEY HEIGHT7. NO INTERCONNECTED CHIMNEY FLUES 6. TIGHT CLEAN-OUTDOORS AND CONNECTIONS5. TIGHT JOINTS 8. FLUE PIPE CLEARANCES, SIZING AND TYPEA.Equal the required clearance with no protection B. VENTING ROTATION OF FRONT FLUE ELBOWAirflow Requirements and Sizing of Duct Work C. DRAFT REGULATORSD. DUCT WORK/AIR CONDITIONING 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 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 Filter Type F. LIMIT POSITION AND LOCATIONMaximum Air VelocityG. BURNER INSTALLATION DO NOT CHANGE POSITION OF THE CHAMBER H. BURNER SPECIFICATIONS AND APPLICATIONS+ INSULATOR S = SLEEVE OR N = NONE EQUIVALENT HEAT OIL NOZZLE CAPACITY CHARTNOZZLE SIZE EFFECTIVE HEATINGCAPACITY MOUNTING THE 2-STAGERIELLO BURNER2 STAGE FIRING RATES FIRINGI. OIL TANK AND PIPING J. OIL FILTER K. ELECTRICAL WIRIINGModel AssemblyMaximum 115 VACThermostat Anticipator Setting Preferred method of adjustment L. Blower Motor Speed Selection Furnace Motor Current Heating Speed Set-upsOH6FA072DV4 Draw Amps/ / Watts vsFurnace Motor Current Heating Speed Set-upsOH8FA119DV5 Draw Amps / Watts vsHeating Speed Set-ups 2 - Stage OH6FX072DV4 SWITCHSETTINGS LOW CAPACITYFurnace Motor Current Draw Amps / Watts vs Figure 18-3 Cooling blower motor speed chartCooling Speed Set-ups OH6F*072DV4 External Static Pressure in W.CFurnace Motor Current Figure 18-3A Cooling blower motor speed chartCooling Speed Set-ups OH8FA119DV5 Draw Amps/Watts vsOH6FA072D48 Speed vs. color code for PSC Motor Low = Red OH8FA119D60Med-Low= Blue Med-High= Yellow High = Black M. BLOWER CONTROLLER INFORMATION FOR PSC MOTOR TERMINAL DEFINITIONS & FIELD WIRINGA. Inputs B. OutputsC. Operating Modes Heat Mode ECM & PSC TROUBLE SHOOTING DIAGNOSTIC FEATURESFor Your Safety Read Before Operating N.STARTUP PROCEDURESOperating Instructions i.STOP! Read the safety information above2. Adjustment of Burner Combustion To Turn Off Oil to ApplianceCOMBUSTION HEAD SETTING FOR 2-STAGERIELLO BURNER TURN TO THE RIGHT SIGN + AIR DAMPER ADJUSTMENTTURN TO THE LEFT SIGN 1st STAGE ADJUSTMENT 2nd STAGE ADJUSTMENT3. Adjustment Of Heat Input Rate Notice Minimum return air temperature is 55F4. Setting Supply Air Temperature Rise 5. Checkout Procedure CAUTION DO NOT ATTEMPT TO MAKE REPAIRS YOURSELF III. USERS INFORMATION SECTIONC. INSPECTION AREAS CAUTION DO NOT ATTEMPT TO START THE BURNER WHENE. FILTER CLEANING AND LOCATION D. STARTING THE BURNERIV. INSTALLERS INSTRUCTIONS TO USER A.GENERAL INSPECTION V. DEALER MAINTENANCESAFETY DURING SERVICING AND INSPECTION C. HEAT EXCHANGER CLEANING INSTRUCTIONS B. HEAT EXCHANGERFigure 24 Heat Exchanger Clean-Outs Vacuum Hose Length OH6 8FT OH8 8FTE. SUPPLY/RETURN AIR BLOWER Filter maintenance procedureD. ELECTRICAL SYSTEM F. SUPPLY/RETURN AIR FILTERFilter replacement G. EXTENDED APPLIANCE SHUTDOWNON STARTUP Beckett Burner VII. TROUBLESHOOTING PERSONNEL, AND NOT BY THE FURNACE OWNERB. CAD CELL CHECKOUT PROCEDURE A. DIAGNOSTICSDiagnostic Features Number of flashesPage VIII. Sequence of Operations Flow Chart Page IX. Trouble Shooting Flow Chart Page Page Page Page SYSTEM CUSTOMERHEATING COM BUSTIONAppendix - A Replacement Parts Replacement Parts for OH6FA072DReplacement Parts for OH8FA119D Appendix - B Wiring Diagrams OH6FA072D48 PSC Wiring DiagramOH6FA072DV4 ECM Wiring Diagram OH6FX072DV4 ECM 2-StageWiring Diagram OH8FA1119D60 PSC Wiring Diagram OH8FA1119DV5 ECM Wiring Diagram