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92-22876-27-00

ISO 9001:2000

INSTALLATION INSTRUCTIONS

FOR (-)OBF UPFLOW OIL FIRED FURNACES

 

 

—  Do not store or use gasoline or other flammable vapors and liquids, or other 
 

combustible materials in the vicinity of this or any other appliance.

—  WHAT TO DO IF YOU SMELL FUEL OIL VAPORS
 

•  Do not try to light any appliance.

 

•  Do not touch any electrical switch; do not use any phone in your building.

 

•  Immediately call your fuel oil supplier from a neighbor’s phone. Follow the fuel 

 

 

oil supplier’s instructions.

 

•  If you cannot reach your fuel oil supplier, call the fire department.

 

•  Do not return to your home until authorized by the fuel oil supplier or 

  fire 

department.

—  DO NOT RELY ON SMELL ALONE TO DETECT LEAKS. DUE TO VARIOUS  
 

FACTORS, YOU MAY NOT BE ABLE TO SMELL FUEL GASES.

 

•  U.L. recognized fuel gas and CO detectors are recommended in all applications, 

 

 

and their installation should be in accordance with the manufacturer’s 

 

 

recommendations and/or local laws, rules, regulations, or customs

—  Improper installation, adjustment, alteration, service or maintenance can cause
 

injury, property damage or death. Refer to this manual. Installation and service must 

 

be performed by a qualified installer, service agency or the fuel oil supplier.

IMPORTANT:

Do not use a power-

robbing electronic thermostat with
this furnace. Use only mechanical
thermostats or battery powered
electronic thermostats.

U.L. recognized fuel gas and CO (carbon monoxide) detectors are recommended in
all applications, and their installation should be in accordance with the
manufacturer’s recommendations and/or local laws, rules, regulations, or customs.

Summary of Contents for OBF Series

Page 1: ...UE TO VARIOUS FACTORS YOU MAY NOT BE ABLE TO SMELL FUEL GASES U L recognized fuel gas and CO detectors are recommended in all applications and their installation should be in accordance with the manuf...

Page 2: ...Air Supply 9 Flue and Chimney Exhaust 9 Chimney Size Recommendations 9 Venting 9 Barometric Draft Control 10 Oil Burner Primary Control 10 Tank and Oil LInes 11 Electric Wiring 11 Thermostat 11 Typica...

Page 3: ...tatic pressure within the allowable range as specified in general information section of these instructions See furnace rating plate 12 When a furnace is installed so that supply ducts carry air circu...

Page 4: ...Air Heating and Air Conditioning Systems NFPA No 90B Standard for Chimneys Fireplaces Vents and Solid Fuel Burning Appliances NFPA No 211 LOCATION REQUIREMENTS AND CONSIDERATIONS GENERAL INFORMATION...

Page 5: ...3 4 MED HIGH 1715 1745 1760 1770 1 20 MED HIGH HIGH 151200 MED LOW 1375 1400 1435 1450 44 30KW LOW 1045 1055 1070 1090 1 35 HIGH HIGH MODEL NUMBER 067 112 150 56000 16 41KW 84000 24 62KW 134400 39 38...

Page 6: ...NOZZLE HAVING A FIRING RATE OF 85 GALLONS PER HOUR AND AN INPUT RATING OF 119 000 BTUH 92 100538 01D 00 THIS FURNACE WAS INSTALLED WITH A NOZZLE HAVING A FIRING RATE OF 1 00 GALLONS PER HOUR AND AN I...

Page 7: ...SOME HOMES MAY REQUIRE THAT OUTSIDE AIR BE SUPPLIED TO THE FURNACE AREA FAILURE TO PROVIDE ENOUGH FRESH AIR CAN CAUSE DEATH FROM CARBON MONOXIDE POISONING Adequate facilities for combustion and venti...

Page 8: ...Installation of Oil Burning Equipment defines confined space and unconfined space as follows Confined Space Any space whose volume is less than 50 cu ft per 1 000 BTUH of the aggregate input rating o...

Page 9: ...t connection should be made to the bottom of the furnace For installations where return air ducts cannot be run under the floor return air may be taken from the sides by cutting the furnace casing and...

Page 10: ...should be used INJURY OR DAMAGE CAUSED BY THE USE OF SUCH UNTESTED AND OR UNCERTIFIED DEVICES ACCESSORIES OR COMPONENTS BAROMETRIC DRAFT CONTROL The barometric damper see figure 9 is a control instal...

Page 11: ...IN PROPERTY DAMAGE INJURY OR DEATH SINGLE AND DUAL OIL FILTRATION We recommend the use of a replaceable core or spin on type supply line suction oil filter or dual filtration primary and secondary fi...

Page 12: ...12 TYPICAL INSTALLATION DIAGRAMS FIGURE 11 TWO PIPE INSTALLATION FIGURE 12 ONE PIPE INSTALLATION...

Page 13: ...NOTE Do not expose cad cell to direct electric bulb light or sunlight Light may enter through the air control band slot and upset the electric circuit of this device OPERATING INSTRUCTIONS FIGURE 14 C...

Page 14: ...r from the barometric damper Another 1 4 inch hole is provided by the manufacturer for testing over the fire Drill another 1 4 hole between the barometric damper and the chimney as shown in Figure 14...

Page 15: ...ell matched and well tuned burner should be capable of operation at a CO2 level between 10 and 12 checking cut off pressure Slow pump cutoff at the end of a firing cycle can cause smoke and other poll...

Page 16: ...a toolbox used in the field Construct the assembly as shown in Figure 17 and install it as shown in Figure 18 Once the pressure testing assembly has been made and installed as shown in Figure 18 turn...

Page 17: ...inst the face of the nozzle and between the electrode tips see figure 20 2 Position the gauge so the center scribe mark is in line with the nozzle orifice Do not scratch the nozzle face The nozzle sho...

Page 18: ...grees Return air temperature 75 degrees Temperature rise 80 degrees E Compare the calculated tempera ture rise with the specified temperature rise on the rating plate TEMPERATURE RISE TOO HIGH Check f...

Page 19: ...or rust tighten the clamp screw without any filter paper in the slot and purge with several rapid pump strokes of room air 2 Warm the True Spot to room temperature before using 3 In sampling be sure...

Page 20: ...airflow is not reduced to maximize system performance and life Always verify that the systems airflow is not impaired by the filtering system that has been installed by performing a temperature rise a...

Page 21: ...ove Enlarge to match chimney interior Replace loose bricks and mortar If all other causes have been eliminated a new chimney may have to be built Replace loose bricks or mortar Remove Have chimney cle...

Page 22: ...ISC RATING 067 112 150 NOTE This appliance should only be used with specified Delavan or Del O Flo nozzles Use of other nozzles may result in unsatisfactory performance DEL O FLO 50 65 70 B DELAVAN 1...

Page 23: ...inlet restricted or burner blower wheel dirty 17 Restricted flue 1 Cracked dirty or loose electrodes 2 Electrodes not properly adjusted 3 Incorrect nozzle 4 Improper primary air adjustment 5 Faulty i...

Page 24: ...urnace 5 Dirty heat exchanger 6 High draft barometric damper not properly set 7 Excessive temperature rise 8 Air shutter adjustment open too much 1 Lack of combustion air 2 Inadequate overfire draft 3...

Page 25: ...in operating position 7 Dirty strainers 8 Dirty line filter 9 Motor does not come up to speed 10 Bad air leak at seal 11 Improper pump setting 1 Pump gears worn 2 Vertical oil lift too great over 10...

Page 26: ...CHECK ELECTRODES IGNITION TRANSFORMER CHECK FUEL SUPPLY NOZZLE CHECK CAD CELL PRIMARY CONTROL CHECK FAN CENTER CHECK BLOWER MOTOR WIRING CHECK BLOWER MOTOR CAPACITOR CHECK THERMOSTAT AND CONTROL WIRI...

Page 27: ...fire Draft inches negative H2O Breech Draft inches negative H2O Chimney Draft inches negative H2O Smoke Reading CO2 CO2 Stack Temperature degrees F Room Temperature degrees F Net Stack Temperature deg...

Page 28: ...TING AND COOLING SCHEMATIC 38 FOR MODELS WITH UTEC 1012 925 INTEGRATED FURNACE CONTROL IMPORTANT Do not use a power robbing thermostat with this furnace Use only mechanical thermostats or battery powe...

Page 29: ...29 FIGURE 34 HEATING AND COOLING CONTINUOUS LOW SPEED BLOWER SCHEMATIC IMPORTANT Do not use a power robbing thermostat with this furnace Use only mechanical thermostats or battery powered thermostats...

Page 30: ...30 NOTES...

Page 31: ...31 NOTES...

Page 32: ...32 CM 1005 NOTES...

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