Field Controls
WML-C, MPL-B
manual
Riello 40BF3 Burner Wiring Diagram
Troubleshooting
Install
Appendix B Wiring Diagrams
Maintenance
Common Chimney Problems
OIL Burner AIR Adjustment
Weight
Power
Mode Action System Response
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Riello 40BF3 Burner Wiring Diagram
20
30318 R4 9/9/2005
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Contents
WML-C and MPL-B
Table of Contents
DOWN-FLOW Installation
Introduction
Heat Loss
Location of Unit
Suspended Installation
AIR Conditioning
Combustion AIR
Chimney Venting
Common Chimney Problems
Piping Installation
Optional Side Wall Venting
OIL Tank
Electrical Connections
FAN Timer Board and Limit Control
Honeywell ST9103 Dip Switch Blower Off Delay Position Time
Dip Switch Blower Delay Position Times Off Seconds Minutes
Circulating AIR Blower
Humidifier
OIL Burner
Furnace Installation SET- UP
Checking Over-Fire Draft
Annual Service By Contractor
Maintenance and Service
Routine Maintenance By Home Owner
Operating Instructions
Before Lighting
To Light Unit
To Shut Down Unit
Appendix A- WML-C and MPL-B Burner SET UP
AF76YB
Start UP
OIL Burner AIR Adjustment
Burner Electrodes
Speed
Power
CFM
Size Weight
Model
55-1/4 19 x 18 x
20 x 20 x
Appendix B Wiring Diagrams
Beckett Afii Burner Wiring Diagram
Riello 40F3 and F5 Burner Wiring Diagram
Riello 40BF3 Burner Wiring Diagram
Operation of OIL Burner
Thermostat calls for heat
30318 R4 9/9/2005
Returns to Idle State Recycle Timer Starts
Operation
Mode Action System Response
Heat
Electrical Shock Hazard
R7184 LED Diagnostic Light
Troubleshooting
Table C-3 R7184 Troubleshooting
Corrective Action
Remount control onto burner housing. Go to step
Table C4 System and General Troubleshooting
Problem Possible Cause Remedy
Timing
Final Check OUT
Parts Listing Counterflow Horizontal Model WML C
Parts Listing Vestibule KIT WML C
30318 R4 9/9/2005
Parts Listing Counterflow Horizontal Model MPL
Flame Retention Head MPL
30318 R4 9/9/2005
Fuel Supplier
If Different from Installation Contractor
HOMEOWNER’S Reference Table
30318 R4 9/9/2005
Tel 716 Fax 716
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Contents