Field-controls WML-C Manuel d'utilisateur

Installation, Operation and Maintenance Manual Oil Fired Warm Air Furnaces WML-C AND MPL-B (Down-Flow or Horizontal Model)ALL INSTALLATIONS MUST M

30318 R4 9/9/2005 10BURNER ELECTRODES Correct positioning of the electrode tips with respect to each other, to the fuel oil nozzle, and to the rest of

30318 R4 9/9/2005 11used in conjunction with multi-meters with temperature measurement capabilities. The return air should be measured at a point whe

30318 R4 9/9/2005 12should be checked to ensure that all fan speeds are operating properly. OPERATING INSTRUCTIONS Before Lighting Open all supply and

30318 R4 9/9/2005 13APPENDIX A- WML-C AND MPL-B BURNER SET UP WML-C AND MPL-B furnaces may be used with the following oil burners. Please note: The B

30318 R4 9/9/2005 14Table A-4 Riello Balanced Flue (BF) Burner Set-Up Riello Balanced Flue Series Oil Burners (For use with sidewall vented units usin

30318 R4 9/9/2005 15Table A-6 Direct Drive Blower Set-Up Blower Set-Up Cooling Capacity 0.20 in. w.c. 0.50 in. w.c. Furnace Model Blower Speed Motor

30318 R4 9/9/2005 16Table A-9 General Dimensions (Inches) Cabinet Plenum Openings Filter Return Furnace Model Width A Depth B Height C Supply D x E

30318 R4 9/9/2005 17APPENDIX B: WIRING DIAGRAMS Beckett AF Burner Wiring Diagram

30318 R4 9/9/2005 18 Beckett AFII Burner Wiring Diagram

30318 R4 9/9/2005 19Riello 40F3 and F5 Burner Wiring Diagram

30318 R4 9/9/2005 2 TABLE OF CONTENTS INTRODUCTION...

30318 R4 9/9/2005 20Riello 40BF3 Burner Wiring Diagram

30318 R4 9/9/2005 21OPERATION OF OIL BURNER Once the furnace flue pipe, electrical and oil line connections have been made, use the following instruct

30318 R4 9/9/2005 22APPENDIX C-R7184 TROUBLESHOOTING R7184 DETAILED SEQUENCE OF OPERATION (FIGURE 7) Power is applied to unit. The R7184 completes a

30318 R4 9/9/2005 23 R7184 INTERRUPTED ELECTRONIC OIL PRIMARY CONTROL FIGURE 7 ELECTRONIC FAN TIMER BOARD ON CONTROL PANEL FIGU

30318 R4 9/9/2005 24 IDLE STATE THERMOSTAT CALLS FOR HEAT SAFETY CHECK FOR FLAME (5 SEC.) BURNER MOTOR & IGNITOR START SOLENOID VALVE OPENS TRI

30318 R4 9/9/2005 25 Table C-1: ELECTRONIC FAN TIMER BOARD (EFT) DETAILED SEQUENCE OF OPERATION Mode Action System Response Thermostat calls for hea

30318 R4 9/9/2005 26R7184 LED DIAGNOSTIC LIGHT The LED diagnostic light has several functions. It indicates the state or mode in which the oil burner

30318 R4 9/9/2005 27Table C-3: R7184 TROUBLESHOOTING Condition: Burner motor does not start when there is a call for heat. Procedure Status Correcti

30318 R4 9/9/2005 28 Condition: Burner starts then locks out on safety with indicator light flashing at 1/2 second on, 1/2 second off. (Cont.) Proced

30318 R4 9/9/2005 29 TABLE C4: SYSTEM AND GENERAL TROUBLESHOOTING Problem Possible Cause Remedy Thermostat not calling for heat. Check thermostat an

30318 R4 9/9/2005 3 IMPROPER INSTALLATION MAY CREATE A CONDITION WHERE THE OPERATION OF THE PRODUCT COULD CAUSE PERSONAL INJURY OR PROPERTY DAMAGE. IM

30318 R4 9/9/2005 30 TABLE C-4: SYSTEM AND GENERAL TROUBLESHOOTING continued Problem Possible Cause Remedy Electrodes out of adjustment or defectiv

30318 R4 9/9/2005 31 TABLE C-4: SYSTEM AND GENERAL TROUBLESHOOTING continued Problem Possible Cause Remedy Airflow blocked or dirty air filter. Cl

30318 R4 9/9/2005 32 PARTS LISTING: COUNTERFLOW HORIZONTAL MODEL: WML C Ref. No. Description PART NO. 1 Right and Left Side Panel 30072L

30318 R4 9/9/2005 33 PARTS LISTING: COUNTERFLOW HORIZONTAL MODEL: WML C Ref. No. Description PART NO. 31 Auxiliary Limit 60T11BOF L140º F 2

30318 R4 9/9/2005 34

30318 R4 9/9/2005 35 PARTS LISTING: COUNTERFLOW HORIZONTAL MODEL: MPL Ref. No. Description PART NO. 1a 1b Right Side Panel Left Side Panel

30318 R4 9/9/2005 36PARTS LISTING: COUNTERFLOW HORIZONTAL MODEL: MPL Ref. No. Description PART NO. 37 Beckett oil Burner AF76XN 30389 B

30318 R4 9/9/2005 37

30318 R4 9/9/2005 38 HOMEOWNER’S REFERENCE TABLE Model No. Serial No. Date Installed Contractor Contact Address Postal Code Telephone No. After Hour

30318 R4 9/9/2005 39NOTES:

30318 R4 9/9/2005 4 HORIZONTAL INSTALLATION WML-C AND MPL-B furnaces models are assembled and shipped ready for installation in the down-flow position

30318 R4 9/9/2005 40 6800 Base Line, Wallaceburg, Ontario, N8A 5E5, Can. Tel: (519) 627-0791 Fax: (519) 627-4719 2201 Dw

30318 R4 9/9/2005 5through a refrigeration unit unless the unit is specifically approved for such service. Generally, a six-inch clearance between the

30318 R4 9/9/2005 6Fig. 2: Common Chimney Problems Table 2: Common Chimney Problems Refer to Figure 2 Key Trouble Diagnostic Remedy A Top of chim

30318 R4 9/9/2005 7 OPTIONAL SIDE WALL VENTING Certain WML-C AND MPL-B furnace models are manufactured to be installed as sidewall vented units. Pleas

30318 R4 9/9/2005 8main electrical panel; however, accessory equipment such as electronic air cleaners and humidifiers may be included on the furnace

30318 R4 9/9/2005 9trunk ducts. These systems may require modification to provide some resistance to the airflow to prevent over-amping of the direct