Manuals / Thermo Products / Household Appliance / Furnace

Thermo Products OH8FA119D60R, OH8FA119DV5R, OH6FA072D48N OH8FA1119DV5 ECM Wiring Diagram

Models: OH8FA119D60B OH8FA119DV5B OH6FX072DV4R OH6FA072DV4N OH6FA072D48N OH8FA119D60R OH8FA119DV5R

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OH8FA1119DV5 ECM Wiring Diagram

OH8FA1119DV5 ECM Wiring Diagram

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Thermo Products OH8FA119D60R, OH8FA119DV5R, OH6FA072D48N, OH6FA072DV4N, OH6FX072DV4R OH8FA1119DV5 ECM Wiring Diagram

Contents

OH8FA119D60B OH6FA072D48BOH6FA072DV4B OH6FA072D48RCONTENTS Fuel ConfigurationModel Number Digit Heat Exchanger IdentifierχWARNING AND CAUTIONS I. SAFETY SECTIONSERVICE PERSON. See Page χCAUTION:DO NOT ATTEMPT TO START THE BURNER WHENPage A. CODES AND CLEARANCES a. Combustible materialb.Non-combustiblematerial FROM TYPE OFMODEL NO.1 SIDES OFA. CHIMNEY 1. PROPER CHIMNEY SIZE2. PREVENTION OF CHIMNEY CONDENSING 4. PROPER VENT CONNECTOR PIPE/CHIMNEY CONNECTION 3. PROPER CHIMNEY HEIGHT8. NO INTERCONNECTED CHIMNEY FLUES 7. TIGHT CLEAN-OUTDOORS AND CONNECTIONS6. TIGHT JOINTS B. FLUE PIPE CLEARANCES, SIZING AND TYPEA.Equal the required clearance with no protection B. VENTING ROTATION OF FRONT FLUE ELBOWC. DRAFT REGULATORS D. DUCT WORK/AIR CONDITIONINGNote: 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 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 Filter Type F. LIMIT POSITION AND LOCATIONMaximum Air VelocityG. BURNER INSTALLATION H. BURNER SPECIFICATIONS AND APPLICATIONS DO NOT CHANGE POSITION OF THE CHAMBER+ 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 Heating Speed Set-ups OH6FA072DV4Furnace Motor Current Heating Speed Set-upsOH8FA119DV5 Draw Amps / Watts vsFigure 18-2:ECM 2-stageblower motor speed chart Heating Speed Set-ups 2 – Stage OH6FX072DV4Draw Amps / Watts vs Cooling Speed Set-ups OH6F*072DV4Furnace Motor Current External Static Pressure in W.CDraw Amps/Watts vs Cooling Speed Set-ups OH8FA119DV5Furnace Motor Current External Static Pressure in W.COH6FA072D48 OH8FA119D60 Speed vs. color code for PSC Motor Low = RedMed-Low= Blue Med-High= Yellow High = Black 34 M. BLOWER CONTROLLER INFORMATION FOR PSC MOTOR TERMINAL DEFINITIONS & FIELD WIRINGA. Inputs B. OutputsC. Operating Modes Heat Mode 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 AIR DAMPER ADJUSTMENT TURN TO THE RIGHT: SIGN +TURN 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 χCAUTION:DO NOT ATTEMPT TO MAKE REPAIRS YOURSELF III. USERS INFORMATION SECTIONC. INSPECTION AREAS χCAUTION:DO NOT ATTEMPT TO START THE BURNER WHENE. FILTER CLEANING AND LOCATION D. STARTING THE BURNERIV. INSTALLERS INSTRUCTIONS TO USER B.HEAT EXCHANGER V. DEALER MAINTENANCEA.GENERAL INSPECTION SAFETY DURING SERVICING AND INSPECTIONC. HEAT EXCHANGER CLEANING INSTRUCTIONS SERVICE PERSONFigure 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 2.Remove the furnace front door Beckett Burner VII. TROUBLESHOOTINGPERSONNEL, AND NOT BY THE FURNACE OWNER Riello BurnerB. 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 CUSTOMER HEATINGSYSTEM Appendix – A Replacement Parts Replacement Parts for OH6FA072DReplacement Parts for OH8FA119D Appendix – B Wiring Diagrams OH6FA072D48 PSC Wiring Diagram 71OH6FA072DV4 ECM Wiring Diagram OH6FX072DV4 ECM 2-StageWiring Diagram OH8FA1119D60 PSC Wiring Diagram 74 OH8FA1119DV5 ECM Wiring Diagram