Gebruiksaanwijzing /service van het product WML-C van de fabrikant Field Controls
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Installation, Operation and Maintenance Manual Oil Fired Warm Air Furnaces WML-C AND MPL-B (Down-Flow or Horizontal Model) ALL INSTALLATIONS MUST MEET ALL LOCAL, PROVINCIAL/STATE, AND FEDERAL CODES WHICH MAY DIFFER FROM THIS MANUAL ECR International Limited OLSEN Division Read this complete manual before beginning installation.
30318 R4 9/9/2005 2 TABLE OF CONTENTS INTRO DUCTION ................................................................................................................... ....................................................... 3 HEAT LOSS................
30318 R4 9/9/2005 3 IMPROPER INSTALLATION MAY CREATE A CONDITION WHERE T HE OPERATION OF THE PRODUCT COULD CAUSE PERSONAL INJURY OR PROPERTY DAMAGE. IMPROPER INSTALLATION, ADJUSTMENT, ALT ERATION, SERVICE OR MAINTENANCE CAN CAUSE INJURY OR PROPERTY DAMAGE.
30318 R4 9/9/2005 4 HORIZONTA L INSTA LLA TION WML-C AND MPL-B furnaces models are assembled and shipped ready for installation in the down-flow position. The furnace may be install ed in either of the horizontal positions; warm air discharging left or warm air-discharging right by follow ing these steps: 1.
30318 R4 9/9/2005 5 through a refrigeration unit unless the unit is specifically approved for such service. Generally, a six-inch clearance between the air conditioning evaporator coil and the heat exchanger will provide adequate airflow through the evaporator coil.
30318 R4 9/9/2005 6 Fig. 2: Common Chimney Problems Table 2: Common Chimney Proble ms Refer to Figure 2 Key Trouble Diagnostic Remedy A Top of chimney lower than surrounding objects Observation Extend chimney above all surrounding objects within 30 feet.
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. Please refer to Direct Venting Instructions, P/N 28888 included with the Vent Kit for details.
30318 R4 9/9/2005 8 main electrical panel; however, accessory equipment such as electronic air cleaners and humidifiers may be included on the furnace circuit. Although a suitably located circuit breaker can be used as a service switch, a separate service switch is advisable.
30318 R4 9/9/2005 9 trunk ducts. These systems may require modification to provide some resistance to the airflow to prevent over-amping of the direct drive blower motor. Selecting a lower blow er speed may correct this problem. Direct drive blower speeds are adjusted by changing the "hot" wires to the motor winding connections.
30318 R4 9/9/2005 10 BURNER ELECTRODES Correct positioning of the electrode tips with respect to each other, to the fuel oil nozzle, and to the rest of the burners is essential for smooth light ups and proper operation.
30318 R4 9/9/2005 11 used in conjunction with multi-meters with temperature measurement capabilities. The return air should be measured at a point where the thermometer w ill be well within the air stream near the furnace return air inlet.
30318 R4 9/9/2005 12 should be checked to ensure that all fan speeds are operating properly. OPERATING INSTRUCTIONS Before Lighting Open all supply and return air registers and grilles. Open all valves in oil pipes. Turn on electric power supply To Light Unit Set the thermostat above room temperature to call for heat.
30318 R4 9/9/2005 13 APPENDIX A- WML-C AND MPL-B BURNER SET UP WML-C AND MPL-B furnaces may be us ed with the follow ing oil burners. Please note: The Beckett AF, and Riello 40F oil burners are for applications using indoor air for combustion only.
30318 R4 9/9/2005 14 Table A-4 Riello Balanced Flue (BF) Burner Set-Up Riello Balanced Flue Series Oil Burners (For use with sidewall vented units using outdoor combustion air) Furnace Model Output BTU/Hr Burner Model Nozzle Pump Pressure Flow Rate Turbulator Setting WML-60CRB 59,500 40BF3 0.
30318 R4 9/9/2005 15 Table A-6 Direct Drive Blower Set-Up Blow er Set-Up Cooling Capacity 0.20 in. w .c. 0.50 in. w .c. Furnace Model Blow er Speed Motor Speed Motor Tons Power CFM Range WML-60C GT10 .
30318 R4 9/9/2005 16 Table A-9 General Dimensions (Inches) Cabinet Plenum Openings Filter Return Furnace Model Width A Depth B Height C Supply D x E Side Bottom Flue Diameter H Ty pe Size Shipping Wei.
30318 R4 9/9/2005 17 APPENDIX B: WIRING DIAGRAMS Beckett AF Burner Wirin g Dia g ram.
30318 R4 9/9/2005 18 Beckett AFII Burner Wiring Diagram.
30318 R4 9/9/2005 19 Riello 40F3 and F5 Burner Wiring Diagram.
30318 R4 9/9/2005 20 Riello 40BF3 Burner Wiring Diagram.
30318 R4 9/9/2005 21 OPERATION OF OIL BURNER Once the furnace flue pipe, electrical and oil line connections have been made, use the following instructions to set the burner: Shut off the electrical power to the furnace. Install an oil pressure gauge to the pressure port on the oil pump.
30318 R4 9/9/2005 22 APPENDIX C-R7184 TROUBLESHOOTING R7184 DETAILED SEQUENCE OF OPERATION (FIGURE 7) Power is applied to unit. The R7184 completes a self-diagnos tic procedure. If no light or flame is present, and unit passes its self-diagnostic procedure, the control enters into the idle mode.
30318 R4 9/9/2005 23 R7184 INTERRUPTED ELECTRONIC OIL PRIMARY CONTROL FIGURE 7 ELECTRONIC FAN TIMER BOARD ON CONTROL PANEL FIGURE 8.
30318 R4 9/9/2005 24 IDLE STATE THERMOSTAT CALLS FOR HEAT SAFETY CHECK FOR FLAME (5 SEC.) BURNER MOTOR & IGNITOR ST ART SOLENOID VALVE OPENS TRIAL FOR IGNITION 10 SEC.
30318 R4 9/9/2005 25 Table C-1: ELECTRONIC FAN TIMER BOARD (EFT) DETAILED SEQUENCE OF OPERATION Mode A ction System Response Thermostat calls for heat. ("W" terminal is energized). a. EFT closes oil primary control T - T connections). b. Ignition system and R7184 oil primary control start the fur nace.
30318 R4 9/9/2005 26 R7184 LED DIAGNOSTIC LIGHT The LED diagnostic light has several functions. It indicates the state or mode in which the oil burner is operating. It will also indicate fault conditions, and help determine cad cell resistance wh ile the burner is operating.
30318 R4 9/9/2005 27 Table C-3: R7184 TROUBLESHOOTING Condition: Burner motor does not start when there is a ca ll for heat. Procedure Status Correctiv e Ac tion 1. Check that limit switches are closed and contacts are clean. N/A N/A 2. Check for line voltage power at the oil primary control.
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.) Procedure Status Correctiv e Ac tion Ignition is off Spark igniter could be defective. Check for line voltage at igniter terminals.
30318 R4 9/9/2005 29 TABLE C4: SYSTEM AND GENERAL TROUBLESHOOTING Problem Possible Cause Remedy Thermostat not calling for heat. Check thermostat and adjust. Also, check thermostat for accuracy ; if it is a mercury switch ty pe, it might be off level.
30318 R4 9/9/2005 30 TA BLE C-4: SYSTEM A ND GENERA L TROUBLESHOOTING continued Problem Possible Cause Remedy Electrodes out of adjustment or defective. Check electrode settings. Check electrodes for dirt build-up or cracks in porcelain. Poor transformer high voltage connections or defective transformer.
30318 R4 9/9/2005 31 TA BLE C-4: SYSTEM A ND GENERA L TROUBLESHOOTING continued Problem Possible Cause Remedy Airflow blocked or dirty air filt er. Clean or replace air filter. Supply air temperature too hot. Insufficient airflow. Check all dampers. Open closed dam pers including registers in unused rooms.
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 2 Rear Panel Baffle 27918 3 Rear Panel 30272L 4 Blower Division.
30318 R4 9/9/2005 33 PARTS LISTING: COUNTERFLOW HORIZONTAL MODEL: WML C Ref. No. Description PART NO. 31 Auxiliary Limit 60T11BOF L140º F 29198 32 Transformer 27738 33 Control Panel 30190 34 Wire Har.
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 30360L 30351L 2 Side Panel Heat Exchanger Support (2 per unit.
30318 R4 9/9/2005 36 PARTS LISTING: COUNTERFLOW HORIZONTAL MODEL: MPL Ref. No . Description PART NO. 37 Beckett oil Burner AF76XN 30389 Burner Motor 1/7 HP 3450 RPM PSC 29689 Beckett Clean-cut Oil Pum.
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 Hours No. FUEL SUPPLIER Fuel Oil Supplier Contact Telephone No. After Hours No. IF DIFFERENT FROM INSTALLATION CONTRACTOR: Service Tech.
30318 R4 9/9/2005 39 NOTES:.
30318 R4 9/9/2005 40 6800 Base Line, Wallaceburg, Ontario, N8A 5E5, Can. Tel: (519) 627-0791 Fax: (519) 627-4719 2201 Dwy er Avenue, Utica, New York, 13504, USA. Tel: (315) 797-1310 Fax: (315) 724-9319 85 Middle Road, Dunkirk, New York, 14048, USA Tel: (716) 366-5500 Fax: (716) 366-1209 www.
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