Thermo Products
OHFA199DV5B, OHFA199DV5R
operation manual
OH6 8FT OH8 8FT
Troubleshooting
Install
Appendix B Wiring Diagrams
Maintenance
Diagnostics
Startup Procedures
Preferred method of adjustment
Thermostat Anticipator Setting
Filter Cleaning and Location
Filter replacement
Page 56
Figure 24: Heat Exchanger
Clean-Outs
Vacuum Hose Length
OH6 8FT
OH8 8FT
Fig. 25: Recommended method and device for cleaning inside of heat exchanger.
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Image 56
Page 55
Page 57
Contents
OH6FA072DV4N OH6FX072DV4R
OH6FA072DV4B
OH6FA072DV4R
Contents
= Highboy D = Downflow
= Front
CAUTION do not Attempt to Start the Burner When
Safety Section
WARNING and Cautions
Page
Codes and Clearances
Combustible material
Non-combustible material
II. General Instructions Read Before Start of Installation
Highboy
Chimney
Prevention of Chimney Condensing
Proper Vent Connector PIPE/CHIMNEY Connection
Proper Chimney Height
Tight CLEAN-OUT Doors and Connections
Tight Joints
No Interconnected Chimney Flues
Flue Pipe CLEARANCES, Sizing and Type
Reduction of Clearances with Specified Forms of Protection
Venting
Airflow Requirements and Sizing of Duct Work
Draft Regulators
Duct WORK/AIR Conditioning
Page
Page
Supply air duct sizing Example
Air Filter Mounted External to Furnace
Examples
A typical filter rack and dimensions for the OH6 furnace
OH6 OH8
Limit Position and Location
Maximum Filter Type Air Velocity Model Number Ft/min
Burner Installation
Do not remove this retainer when installing burner
Burner Specifications and Applications
Do not Change Position of the Chamber
Beckett Riello
BTU/HR
Mounting the 2-STAGE Riello Burner
BTU/HR Heating Capacity
OIL Tank and Piping
OIL Filter
Electrical Wiriing
OH8FA119DV5
Electronic Air Cleaner EAC and Humidifier Installation
OH6FA072DV5
Thermostat Anticipator Setting
Fan Control Module
Preferred method of adjustment
Heat Anticipator Adjustment Scale
Blower Motor Speed Selection
Heating Speed Set-ups
OH6FA072DV4
Furnace Motor Current
Draw Amps/ / Watts vs
1A ECM blower motor speed chart
Heating Speed Set-ups 2 Stage
OH6FX072DV4
Cooling blower motor speed chart
Cooling Speed Set-ups
Draw Amps/Watts vs
OH6FA072D48
High
HTG Speed by Input
Terminal Definitions & Field Wiring
Blower Controller Information for PSC Motor
Inputs
Outputs
Operating Modes
On and OFF Blower Delay Time Switch Settings
PSC Trouble Shooting
Diagnostic Features
Operating Instructions
Startup Procedures
STOP! Read the safety information above
Adjustment of Burner Combustion
To Turn Off Oil to Appliance
Combustion Head Setting for 2-STAGE Riello Burner
Preliminary Adjustment of Burner Air Band and Air Shutter
Turn to the Left Sign
AIR Damper Adjustment
Turn to the Right Sign +
1st Stage Adjustment
2nd Stage Adjustment
Adjustment Of Heat Input Rate
Page
Checkout Procedure
Caution do not Attempt to Make Repairs Yourself
III. Users Information Section
Inspection Areas
Filter Cleaning and Location
Starting the Burner
IV. Installers Instructions to User
General Inspection
Dealer Maintenance
Safety During Servicing and Inspection
Heat Exchanger
OH6 8FT OH8 8FT
Filter maintenance procedure
Electrical System
SUPPLY/RETURN AIR Blower
SUPPLY/RETURN AIR Filter
On Shutdown
Filter replacement
Extended Appliance Shutdown
VI. HOMEOWNER/USER Information and Routine Maintenance
On Startup
Location of oil primary control reset button
Beckett Burner
Page
Diagnostics
Diagnostic Features
CAD Cell Checkout Procedure
Number of flashes Cad Cell Resistance in ohms Model R7184B
Page
VIII. Sequence of Operations Flow Chart
Page
IX. Trouble Shooting Flow Chart
Page
Page
Page
Page
Customer
Appendix a Replacement Parts
Replacement Parts for OH8FA119D
Appendix B Wiring Diagrams
OH6FA072DV4 ECM Wiring Diagram
OH6FX072DV4 ECM 2-Stage Wiring Diagram
OH8FA1119D60 PSC Wiring Diagram
OH8FA1119DV5 ECM Wiring Diagram
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