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All installations and services must be performed by qualified service personnel. 

 

 

 

       

 

Fig. 9: (Top view) Burner insertion illustration 

 

When mounting the burner, the upper mounting plate (Fig. 8) must be removed to provide access to the area in front 
of the combustion chamber. The combustion chamber can then be moved forward or backward slightly to allow for 
adjustment in positioning the burner tube.  Do not allow the burner tube or end cone to physically touch or protrude 
into the chamber, as excess heat transfer could result in destruction of the tube, end cone or both. The burner 
tube/end cone is properly positioned, when the end is ¼ inch back from the inside surface of the combustion 
chamber wall. 
 

NOTE: 

The loose-fill insulation that is included in a brown paper bag should be lightly placed around the burner 

tube between the front of the combustion chamber and the burner mounting plate. (DO NOT PACK THE 
INSULATION DOWN).  The loose-fill insulation should be placed in such a fashion that the surface of the 
insulation is sloped from the top of the combustion chamber to the top of the lower mounting plate. The purpose of 
the loose insulation is to help protect the burner tube, mounting plates and vestibule area from excessive 
temperatures.  

 

 

NOTE:

 Do not place loose insulation around chamber sides and back . 

 
 

 

 

 
 

Fig. 10:  (Side view) Burner insertion illustration 

 
 
 

 

 
 

Summary of Contents for OH5-85DXE

Page 1: ...INITY 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...

Page 2: ...al injury substantial property damage or death See Page 4 cWARNING THE HEAT EXCHANGER MUST BE CLEANED BY A QUALIFIED SERVICE PERSON See Page 7 cCAUTION DO NOT ATTEMPT TO MAKE REPAIRS YOURSELF See Page...

Page 3: ...R CONDITIONING 3 D FILTERS MOUNTED EXTERNAL TO FURNACE 3 E LIMIT POSITION AND LOCATION 5 F BURNER INSTALLATION 5 G BURNER SPECIFICATIONS AND APPLICATIONS 7 H HEAT EXCHANGER CLEANING INSTRUCTIONS 8 III...

Page 4: ...sted below are definitions of COMBUSTIBLE MATERIAL and NON COMBUSTIBLE MATERIAL COMBUSTIBLE MATERIAL Material made of or surfaced with wood compressed paper plant fibers plastics or other material tha...

Page 5: ...ening on left hand side of casing TRIM COLLAR UNIT DIA HOLE X DIM Y DIM FLUE DIA GASKET PART OH5 85DXE 6 1 2 4 3 4 33 1 16 6 14131 330005 FRONT FLUE MODELS ONLY X DIMENSION IS MEASURED FROM SEPARATOR...

Page 6: ...ividual coil manufacturer D FILTERS MOUNTED EXTERNAL TO FURNACE On highboy furnaces it is necessary to cut the return air opening in the side or rear casing depending upon the needs of the specific in...

Page 7: ...long the inside of the securing flange on three of the sides To scribe a line on the fourth side the open end use the open end support as a guide Remove the filter rack and cut the return air opening...

Page 8: ...limit control installed at the time of unit installation Fig 7 Limit location for OH5 85DXE F BURNER INSTALLATION The oil burner will mount on three stud mounting bolts on the lower mounting plate cov...

Page 9: ...tube end cone is properly positioned when the end is inch back from the inside surface of the combustion chamber wall NOTE The loose fill insulation that is included in a brown paper bag should be lig...

Page 10: ...AND A HOLLOW SPRAY PATTERN WOULD BE ABBREVIATED IN THE TABLE AS 0 65 X 80 H NOTE The reason the Riello burner nozzle sizes are smaller than the standard Thermo Pride burner nozzles is that pre set pu...

Page 11: ...emove clean out covers the vent connector pipe to the chimney the burner and the burner mounting plates When removing the clean out covers special care must be taken not to damage the gaskets Should t...

Page 12: ...furnace and looking for signs of excessive heat such as discoloration of components materials damage from rust or corrosion soot or carbon build up EXTERIOR OF FURNACE The furnace exterior should be...

Page 13: ...filters frequently may reduce airborne contaminants from entering the furnace and depositing in the furnace duct system and home cWARNING To avoid injury from moving parts hot surfaces or electrical...

Page 14: ...HIMNEY W INDUCER MASONRY CHIMNEY W METAL LINER FUEL LINE FILTER DRAFT CONTROL COMBUSTION TESTS Operate burner at least 10 minutes before CO2 in stack pipe INITIAL SERVICE SERVICE SERVICE INSTALLATION...

Page 15: ...All installations and services must be performed by qualified service personnel 12 APPENDIX A Replacement Parts List...

Page 16: ...All installations and services must be performed by qualified service personnel 13 APPENDIX B Wiring Diagram...

Page 17: ......

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