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OIL-FIRED CENTRAL FURNACE
Installation, Operation, and Service Manual
With Users Information Section
Models:
OD6FA072D48(B/R/C)
OD6RA072D48(B/R/C)
OD6FA072DV5(B/R/C)
OD6RA072DV5(B/R/C)
c WARNING: IF THE INFORMATION IN THESE INSTRUCTIONS IS NOT FOLLOWED EXACTLY, A FIRE OR
EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY, OR LOSS OF LIFE.
DO NOT STORE OR USE GASOLINE OR OTHER FLAMMABLE VAPORS AND LIQUIDS IN THE VICINITY OF
THIS OR ANY OTHER APPLIANCE.
c WARNING: IMPROPER INSTALLATION, ADJUSTMENT, ALTERATION, SERVICE, OR MAINTENANCE CAN
CAUSE INJURY OR PROPERTY DAMAGE. REFER TO THIS MANUAL. FOR ASSISTANCE OR ADDITIONAL
INFORMATION CONSULT A QUALIFIED INSTALLER, OR SERVICE AGENCY.
c AVERTISSEMENT: SI L'INFORMATION DANS CES INSTRUCTIONS N'EST PAS SUIVI À LA LETTRE, UN
INCENDIE OU UNE EXPLOSION ENTRAÎNANT DES DOMMAGES MATÉRIELS, DES BLESSURES
CORPORELLES OU DES PERTES DE VIE.
NE PAS ENTREPOSER NI UTILISER D'ESSENCE OU AUTRES VAPEURS ET LIQUIDES INFLAMMABLES À
PROXIMITÉ DE CET APPAREIL OU DE TOUT AUTRE APPAREIL.
c AVERTISSEMENT: UNE MAUVAISE INSTALLATION, D'AJUSTEMENT, DE LA MODIFICATION,
D'ENTRETIEN OU DE MAINTENANCE PEUVENT CAUSER DES BLESSURES OU DOMMAGES MATÉRIELS,
REPORTEZ-VOUS À CE MANUEL POUR OBTENIR DE L'AIDE OU DES RENSEIGNEMENTS
SUPPLÉMENTAIRES, CONSULTER UN INSTALLATEUR QUALIFIÉ, OU ORGANISME DE SERVICE.
PLEASE READ THESE INSTRUCTIONS PRIOR TO INSTALLATION, INITIAL FIRING, AND BEFORE
PERFORMING ANY SERVICE OR MAINTENANCE. THESE INSTRUCTIONS MUST BE LEFT WITH THE USER
AND SHOULD BE RETAINED FOR FUTURE REFERENCE BY QUALIFIED SERVICE PERSONNEL.
VEUILLEZ LIRE CES INSTRUCTIONS AVANT L'INSTALLATION, LES PREMIERS TIRS, ET AVANT
D'EFFECTUER TOUT ENTRETIEN OU MAINTENANCE. CES INSTRUCTIONS DOIVENT ÊTRE LAISSÉS AVEC
L'UTILISATEUR ET DEVRAIT ÊTRE CONSERVÉ POUR RÉFÉRENCE FUTURE PAR UN TECHNICIEN
QUALIFIÉ.
Manufactured by:
THERMO PRODUCTS, LLC.
PO BOX 237
DENTON, NC 27239
MO-545
Made in USA
ECN 5539-MA 210122
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Summary of Contents for Thermo Pride OD6FA072D48
- Page 1 OIL-FIRED CENTRAL FURNACE Installation, Operation, and Service Manual With Users Information Section Models: OD6FA072D48(B/R/C) OD6RA072D48(B/R/C) OD6FA072DV5(B/R/C) OD6RA072DV5(B/R/C) c WARNING: IF THE INFORMATION IN THESE INSTRUCTIONS IS NOT FOLLOWED EXACTLY, A FIRE OR EXPLOSION MAY RESULT CAUSING PROPERTY DAMAGE, PERSONAL INJURY, OR LOSS OF LIFE.
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Page 2: Table Of Contents
Contents SECTION PAGE Notice to the Installer ....................3 INSTALLATION GUIDELINES ..................5 Codes ......................... 5 Installation Location .................... 5 Closet and Alcove Installation ................6 Standard Clearances ..................6 Air for Combustion and Ventilation ..............7 Chimney Inspection .................... 9 Flue / Chimney / Vent Connector ................ - Page 3 Operating Instructions ..................27 Oil Supply ......................28 Extended Shutdown ................... 28 Combustion Air and Ventilation Supply ..............29 Inspection Areas ....................29 APPENDIX A: START-UP DATA SHEET ..............30 APPENDIX B: ELECTRICAL DIAGRAMS ..............31 APPENDIX C: SPECIFICATION SHEETS ..............35 APPENDIX D: REPLACEMENT PARTS ...............
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Page 4: Notice To The Installer
Notice to the Installer Installation of this oil-fired furnace must be performed by a qualified installer in accordance with all local codes and authorities having jurisdiction. In the absence of local governing codes, installation shall conform to these instructions and to the regulations of the National Fire Protection Association’s Standard for the Installation of Oil-Burning Equipment, NFPA 31-2020, and the National Electrical Code, ANSI/NFPA 70-2017, or the latest editions thereof. - Page 5 in the field. Furthermore, any such field modifications VOID THE WARRANTY and place responsibility for safe and reliable operation of the furnace on those who performed the modification(s). Complete and return any enclosed warranty cards. These must be on file to verify installation dates for replacement of any warrantied part(s).
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Page 6: Installation Guidelines
INSTALLATION GUIDELINES Codes All local codes and regulations take precedence over the instructions in this manual and shall be followed accordingly. In the absence of local codes, this installation must conform to these instructions and to the regulations of the National Fire Protection Association (NFPA) publications, the Standard for the Installation of Oil-Burning Equipment, NFPA 31-2020, and the National Electrical Code, ANSI/NFPA 70-2017 or the latest editions thereof,... -
Page 7: Closet And Alcove Installation
Closet and Alcove Installation All furnace models covered in this manual may be installed in a closet or alcove with specified (standard) clearances to combustible construction. When installed in a counterflow configuration a combustible surface-mounting base (Model # D6- BASE) must be used for when installing on combustible materials, refer to Figure Figure 1: Counterflow Furnace Combustible Surface-Mounting Base Standard Clearances Standard clearances are mandatory minimum clearances from heated surfaces... -
Page 8: Air For Combustion And Ventilation
Air for Combustion and Ventilation c CAUTION: Relief openings in the front or top of the furnace casing should not be obstructed or blocked. These openings supply combustion and ventilation air to the furnace. Chloride, fluoride, iodide, and bromide bearing compounds when present, even in low concentrations, are in air supplied for combustion to the furnace, can result in accelerated and severe corrosion of the heat exchanger and/or the venting system. - Page 9 should be located near, or in, the ceiling of the room and the other should be located near, or in, the floor. b. In buildings of unusually tight construction (those having 0.35 air changes per hour, or less); provision must be made to provide sufficient air for combustion.
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Page 10: Chimney Inspection
When needed it is possible to have combustion air connected directly to the burner of these furnaces to the outdoors by using appropriate Combustion Air Kit listed below. COMBUSTION AIR INTAKE HOOD KIT ORDER INFORMATION BURNER THERMO PRODUCTS PART NUMBER Beckett AFG AOPS8397 Riello BF3... -
Page 11: Flue / Chimney / Vent Connector
Flue / Chimney / Vent Connector c CAUTION: DO NOT install a manual damper in the chimney or vent connector. Thermally- activated type vent dampers are NOT recommended for use on these furnaces. It is desirable to install the shortest vent connector (also referred to as a flue or chimney connector) possible with the fewest number of fittings, i.e. -
Page 12: Direct Venting
Direct Venting The OD6 may also be horizontally vented through a side wall. Direct venting is only allowed when using the approved Direct Vent Termination kit and Direct Vent Accessory kit listed in the table below, and is limited to a maximum length of 15’. -
Page 13: Duct Work And Air Conditioning
Duct Work and Air Conditioning Design and installation of the duct system should follow the current guidelines of the Air Conditioning Contractors of America (ACCA) or the American Society of Heating, Refrigeration and Air Conditioning Engineers, Inc. (ASHRAE). Refer to the Residential Duct Systems, Manual D, from the ACCA, and the ASHRAE Handbook Fundamentals volume, from ASHRAE, for recommended practices in duct system design and installation. -
Page 14: Electrical Connections
19.125" 3.000" Fig. 2: Filter rack and dimensions for the OD6 furnace Electrical Connections NOTICE: All field wiring must conform to local, state, and national installation codes. A disconnecting switch equipped with overcurrent protection rated at 15 A. (e.g. a time delay-type fuse or inverse time, circuit breaker) should be installed in the service line. -
Page 15: Combustion Chamber
Most room thermostats are equipped with an adjustable heat anticipator, set the thermostat heat anticipator to match the control current of the furnace as indicted on the furnace wiring diagram. Combustion Chamber The furnace combustion chamber is a hollow, circular cylinder sealed at the bottom end and open at the top end. - Page 16 chamber during shipping and helps to maintain insertion depth. DO NOT remove this retainer when installing burner. (Refer to Fig.3). COMBUSTION CHAMBER BURNER MOUNTING PLATE GASKET BURNER MOUNTING PLATE BURNER MOUNTING PLATE GASKET NUT & WASHER BURNER MOUNTING PLATE (4) PLACES NUT &...
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Page 17: Fuel System Installation
NOTICE: This oil furnace must be installed and adjusted by only qualified oil heating contractor using calibrated combustion test instruments to ensure safe and reliable operation of the furnace. Fuel System Installation In situations where the oil storage tank is installed at the same level with, or above, the burner, a single oil supply line run from the oil tank to the burner will be usually be adequate. -
Page 18: Supply/Return Airflow And Air Temperature
the limits of appendix C with no measurable CO is desirable. The maximum acceptable CO reading is about 50 PPM. If the CO reading is too high, open the burner air shutter, or air band, slightly to permit more combustion air to the flame. Recheck the CO level and adjust as required. -
Page 19: Furnace Limit And Blower Controls
Thermo Pride oil furnaces can be equipped with one of the following two boards. Please refer to Fig. 5 to see which board you have. Wiring Diagrams and Fan Speed Selection Charts can be found in this manual under Appendix B . -
Page 20: Operational Modes
Operational modes Standby Mode All outputs are off and the control is waiting for a thermostat demand. The thermostat inputs, and limit switch are continuously monitored. The control initiates action when a thermostat call is received or limit switch opens. Fan Mode A call for fan (“G”) is received from the thermostat. - Page 21 Heat Mode When a call for heat (“W”) is received from the thermostat, if the “Cool” mode is not already active, the “T-T” terminal is energized and the blower on delay is started. When the delay time the “HEAT” blower speed is energized. The control remains in steady heat mode until the thermostat is satisfied.
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Page 22: Instructions To Our Customer / End User
Instructions to Our Customer / End User ! WARNING: If the burner does not operate properly after depressing the oil primary reset button, turn off the electrical power to the furnace and close the manual oil shutoff valve. Immediately contact a qualified heating contractor for service. -
Page 23: Troubleshooting
Burner: Red Led indicates lockout alarm from Oil Burner (requires burner equipped with Lockout Alarm Function) 24V Over Load: Red LED indicates that an overload condition has caused the circuit protector to trip. Troubleshooting c WARNING: When testing electrical equipment, always follow standard electrical safety procedures. - Page 24 B. Symptom: Burner short cycles on high limit thermostat, but does not “lock out” on oil primary safety control. Items to check: 1) Open dampers or registers in the air distribution system. Clear any duct system restrictions. 2) Inspect and clean all air filters in the air distribution system. 3) Inspect blower for interference with rotation or locked rotor condition.
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Page 25: Flame Sensor ("Cad Cell") Checkout Procedure
Symptom: Blower cycles on and off after the burner has shutdown. Item to check: 1) Increase the fan off time by changing the DIP switch selections on SW2. Refer to Table 2 for blower delay off settings. NOTICE: If the high limit control is faulty, it should be replaced. However, it must only be replaced by the same make and model as the original. -
Page 26: Blower And Motor
Blower and Motor NOTICE: The fan motor has sealed bearings that do NOT require lubrication. The blower and fan motor will not normally require any service. This furnace is equipped with a directly-driven blower. Therefore, it will not require any retensioning or replacement of a drive belt. -
Page 27: Flue And Chimney
TURN T-HANDLE COUNTER-CLOCKWISE TO LOOSEN & REMOVE HEAT EXCHANGER CLEAN-OUT PLUG ASSEMBLY ACCESS (TUBE) CLEAN-OUT PLUG ASSEMBLY T-HANDLE (PART OF CLEAN-OUT PLUG ASSEMBLY) Figure 6: Location and Design of Heat Exchanger Cleanout Port With access to the inside of the heat exchanger through the burner area, clean-out openings, and vent pipe connection, it is possible to use a long, flexible wire brush and an industrial type vacuum cleaner to remove any soot build-up. -
Page 28: Users Information
USERS INFORMATION c IMPORTANT: This furnace must be serviced annually by a licensed professional technician, or equivalent. c WARNING: The area around the furnace should be kept free and clear of flammable vapors, liquids, and material, especially papers and rags. ... -
Page 29: Oil Supply
TO OPERATE THIS FURNACE: 1) Adjust the room thermostat to the lowest set point and set the operating mode, if equipped, to “OFF”. 2) Turn the manual oil shutoff valve to the open or “ON” position. 3) This furnace is equipped with an electronic ignition system that automatically lights the burner. -
Page 30: Combustion Air And Ventilation Supply
Combustion and Ventilation Air Supply The furnace and venting system require a generous amount of clean air to operate safely. Lack of adequate combustion and ventilation air can result in erratic operation of the burner, noisy and poor combustion, sooting of the combustion chamber, and fuel odors in the air. -
Page 31: Appendix A: Start-Up Data Sheet
APPENDIX A: STARTUP SHEET Combustion and Efficiency Testing for Oil Fired Furnaces: Complete this form for each oil furnace installed. Read instruction manual carefully before taking test. Retain this form with furnace. NAME ADDRESS CUSTOMER CITY, STATE FURNACE MODEL FURNACE SERIAL BURNER MODEL NO. -
Page 32: Appendix B: Electrical Diagrams
APPENDIX B: ELECTRICAL DIAGRAMS OD6*FAO72D48 (NRGMAX CONTROL) - Page 33 OD6*FAO72DV5 (NRGMAX CONTROL)
- Page 34 OD6*FAO72D48 (UT CONTROL)
- Page 35 OD6*FAO72DV5 (UT CONTROL)
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Page 36: Appendix C: Specification Sheets
APPENDIX C: SPECIFICATION SHEETS OD6*A072D48 B OD6*A072D48 C OD6*A072D48 R OD6*A072DV5 B OD6*A072DV5 C OD6*A072DV5 R MODEL NO. HEAT INPUT RATE (BTUH) 106,250 85,000 70,000 106,250 85,000 70,000 106,250 85,000 70,000 OUTPUT BTUH [1] 89,000 72,000 60,000 89,000 72,000 60,000 89,000 72,000 60,000... -
Page 37: Appendix D: Replacement Parts
APPENDIX D: REPLACEMENT PARTS OD6FA072D48, OD6FA072DV4... - Page 39 OD6RA072D48, OD6RA072DV4...