OH6FA072DV4B
OH6FA072D48B
OH8FA119D60B
OH6FA072D48R
CONTENTS
Model Number Digit
Configuration
Fuel
Heat Exchanger Identifier
WARNING AND CAUTIONS
I. SAFETY SECTION
CAUTION DO NOT ATTEMPT TO START THE BURNER WHEN
1.Excess oil has accumulated
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a. Combustible material
A. CODES AND CLEARANCES
b.Non-combustiblematerial
MODEL NO.1
TYPE OF
FROM
TOP
1. PREVENTION OF CHIMNEY CONDENSING
A. CHIMNEY
2. PROPER CHIMNEY HEIGHT
3. PROPER VENT CONNECTOR PIPE/CHIMNEY CONNECTION
5. TIGHT JOINTS
6. TIGHT CLEAN-OUTDOORS AND CONNECTIONS
7. NO INTERCONNECTED CHIMNEY FLUES
8. FLUE PIPE CLEARANCES, SIZING AND TYPE
A.Equal the required clearance with no protection
ROTATION OF FRONT FLUE ELBOW
B. VENTING
D. DUCT WORK/AIR CONDITIONING
C. DRAFT REGULATORS
Airflow Requirements and Sizing of Duct Work
Note Do not use with Direct Vent application
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7.The supply and return air ducts, or flexible joints, should be carefully secured and sealed to the appliance housing to prevent air leakage from, or into, the duct system. For best performance, insulate the outside surfaces of the ducts to reduce heat loss from, or heat gain to, the ducts
E. Air Filter Mounted External to Furnace
1.1 X TR TEMPERATURE RISE, F = HEATINGCFM
1.HEATING CFM HEAT OUTPUT OF FURNACE BTUH
Connect the return air plenum to the filter rack and slide the filter into place. Dimensions for adapting the return air plenum to the filter rack are provided See Fig. 10a & 10b
Maximum
F. LIMIT POSITION AND LOCATION
Filter Type
Air Velocity
G. BURNER INSTALLATION
H. BURNER SPECIFICATIONS AND APPLICATIONS
DO NOT CHANGE POSITION OF THE CHAMBER
+ INSULATOR S = SLEEVE OR N = NONE
NOZZLE SIZE
OIL NOZZLE CAPACITY CHART
EQUIVALENT HEAT
EFFECTIVE HEATING
2 STAGE FIRING RATES
MOUNTING THE 2-STAGERIELLO BURNER
CAPACITY
FIRING
I. OIL TANK AND PIPING
K. ELECTRICAL WIRIING
J. OIL FILTER
Maximum
Assembly
Model
115 VAC
Thermostat Anticipator Setting
Preferred method of adjustment
L. Blower Motor Speed Selection
OH6FA072DV4
Heating Speed Set-ups
Furnace Motor Current
Draw Amps/ / Watts vs
OH8FA119DV5
Heating Speed Set-ups
Furnace Motor Current
Draw Amps / Watts vs
SETTINGS
SWITCH
Heating Speed Set-ups 2 - Stage OH6FX072DV4
LOW CAPACITY
Cooling Speed Set-ups OH6F*072DV4
Figure 18-3 Cooling blower motor speed chart
Furnace Motor Current Draw Amps / Watts vs
External Static Pressure in W.C
Cooling Speed Set-ups OH8FA119DV5
Figure 18-3A Cooling blower motor speed chart
Furnace Motor Current
Draw Amps/Watts vs
OH6FA072D48
OH8FA119D60
Speed vs. color code for PSC Motor Low = Red
Med-Low= Blue Med-High= Yellow High = Black
TERMINAL DEFINITIONS & FIELD WIRING
M. BLOWER CONTROLLER INFORMATION FOR PSC MOTOR
B. Outputs
A. Inputs
C. Operating Modes
Heat Mode
DIAGNOSTIC FEATURES
ECM & PSC TROUBLE SHOOTING
Operating Instructions
N.STARTUP PROCEDURES
For Your Safety Read Before Operating
i.STOP! Read the safety information above
To Turn Off Oil to Appliance
2. Adjustment of Burner Combustion
COMBUSTION HEAD SETTING FOR 2-STAGERIELLO BURNER
AIR DAMPER ADJUSTMENT
TURN TO THE RIGHT SIGN +
TURN TO THE LEFT SIGN
2nd STAGE ADJUSTMENT
1st STAGE ADJUSTMENT
Notice Minimum return air temperature is 55F
3. Adjustment Of Heat Input Rate
4. Setting Supply Air Temperature Rise
5. Checkout Procedure
C. INSPECTION AREAS
III. USERS INFORMATION SECTION
CAUTION DO NOT ATTEMPT TO MAKE REPAIRS YOURSELF
CAUTION DO NOT ATTEMPT TO START THE BURNER WHEN
D. STARTING THE BURNER
E. FILTER CLEANING AND LOCATION
IV. INSTALLERS INSTRUCTIONS TO USER
V. DEALER MAINTENANCE
A.GENERAL INSPECTION
SAFETY DURING SERVICING AND INSPECTION
B. HEAT EXCHANGER
C. HEAT EXCHANGER CLEANING INSTRUCTIONS
Vacuum Hose Length OH6 8FT OH8 8FT
Figure 24 Heat Exchanger Clean-Outs
D. ELECTRICAL SYSTEM
Filter maintenance procedure
E. SUPPLY/RETURN AIR BLOWER
F. SUPPLY/RETURN AIR FILTER
G. EXTENDED APPLIANCE SHUTDOWN
Filter replacement
ON STARTUP
Beckett Burner
PERSONNEL, AND NOT BY THE FURNACE OWNER
VII. TROUBLESHOOTING
Diagnostic Features
A. DIAGNOSTICS
B. CAD CELL CHECKOUT PROCEDURE
Number of flashes
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VIII. Sequence of Operations Flow Chart
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IX. Trouble Shooting Flow Chart
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HEATING
CUSTOMER
SYSTEM
COM BUSTION
Replacement Parts for OH6FA072D
Appendix - A Replacement Parts
Replacement Parts for OH8FA119D
OH6FA072D48 PSC Wiring Diagram
Appendix - B Wiring Diagrams
OH6FA072DV4 ECM Wiring Diagram
OH6FX072DV4 ECM 2-StageWiring Diagram
OH8FA1119D60 PSC Wiring Diagram
OH8FA1119DV5 ECM Wiring Diagram