Thermo Products ome-72d36 service manual Correct wire connections

Page 37

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

Yes

 

 

 

No

 

Are the thermostat wires

Correct wire connections.

 

 

connected properly?

 

 

 

 

 

 

 

 

 

 

 

Yes

 

 

 

 

 

 

 

 

Is there combustion airflow to the furnace?

Yes

Is the oil primary control

Yes

 

 

supplying 24 VAC to the

 

 

 

 

thermostat?

 

 

 

 

No

Try resetting the oil primary control. Replace the oil primary control, if necessary.

No

Is there 120 VAC across

No

 

 

 

the burner motor?

 

 

 

 

Yes

Is the blower impeller spinning? If so, check for blockages in or a collapsed air duct. Is the air boot shutter open adequately.

Yes

Replace thermostat.

Is the oil primary control receiving power? Reset primary control. If resetting the primary does not work, replace control.

Check wiring to burner motor. If okay, replace burner motor.

35

Image 37
Contents OIL-FIRED Furnace Do not RUN the OIL Pump DRY for More than Five Minutes Safety SectionPage Page Page Page Table of Contents Section Beginning Page Models OME Burner Data III. Furnace Specifications ModelBlower Data Standard Chimney IV. Installation Roof JackFurnace Location Base Installation Page Page Page Closet Installation Alcove InstallationCombustion AIR Page Page Fuel Piping Page Electrical Wiring AWG Blower Controller Information for PSC Motor Terminal Definitions & Field WiringInputs Operating Modes Page Diagnostic Features PSC Trouble ShootingWiring Diagram Burner Operation and Adjustment Burner InstallationPage Page Burner Combustion Parameters Flue GAS Combustion AnalysisPage Troubleshooting Flowchart Correct wire connections Page Does the burner stay Yes Heat Exchanger Cleaning Instructions CAD Cell Checkout ProcedurePage Extended Shutdown Cleaning or Replacing Flue PipesVI. User Information Section Inspection Areas Component LocationsContact Information Installation / Service Filter Location and CleaningAppendix A. Replacement Parts List