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Manual Field Controls WML-C

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  • Field Controls WML-C - page 1

    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. These instructions m ...

  • Field Controls WML-C - page 2

    30318 R4 9/9/2005 2 TABLE OF CONTENTS INTRO DUCTION ................................................................................................................... ....................................................... 3 HEAT LOSS................................................................................................................... ...

  • Field Controls WML-C - page 3

    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. REFER TO THIS MANUAL FOR ASSISTANCE OR ADDITIONAL INFORMATION, CONSULT A QUALIFIED INSTALLER, ...

  • Field Controls WML-C - page 4

    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. Rotate the furnace 90° to the desired p ...

  • Field Controls WML-C - page 5

    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. The blower speed must be checked and adjusted to compensate for the pressure drop c ...

  • Field Controls WML-C - page 6

    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. B Chimney Cap or ventilator. Observation Remove C Coping restricts opening. Observation Make op ...

  • Field Controls WML-C - page 7

    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. Sidewall Venting ( Direct Venting ) requires the use of s pecific oil burners; the Beckett AFII, or the Riello ...

  • Field Controls WML-C - page 8

    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. The service switch is necessary if reaching the circuit breaker involves ...

  • Field Controls WML-C - page 9

    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. Please re ...

  • Field Controls WML-C - page 10

    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. The electrode tips should be adjusted to a gap of 5/32”, 1/16” ahead of the nozzle, 5/16” above the centerline of the nozzle ...

  • Field Controls WML-C - page 11

    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. Actual location is not particularly critical; however, avoid locations where the temperature readings could be ...

  • Field Controls WML-C - page 12

    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. The burner should start. NOTE: ...

  • Field Controls WML-C - page 13

    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. For sidewal l venting applications utilizing out door air for combustion, use the Beckett AFII or the ...

  • Field Controls WML-C - page 14

    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 0.50 / 60°W 105 PSIG 0.51 USGPH 1.0 WML-80CRB 75,000 40BF3 ...

  • Field Controls WML-C - page 15

    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 DD Low ½ HP Med-Low ½ HP 3 ½ HP 763 – 1505 WML-80C GT10 DD Med-Low ½ HP Med-High ½ HP 3 ½ HP 763 – 1505 WML-90C GT10 DD Med-High ½ HP High ...

  • Field Controls WML-C - page 16

    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 Weight WML-C 22 22-1/8 55-1/4 19 x 19 18 x 18 18 x 18 5 Permanent 20 x 20 x 1 265 MPL-B 22-1/4 22-1/4 62 20-1/2 x 20- 1/2 18 x 18 18 x 18 6 Permanent 20 ...

  • Field Controls WML-C - page 17

    30318 R4 9/9/2005 17 APPENDIX B: WIRING DIAGRAMS Beckett AF Burner Wirin g Dia g ram ...

  • Field Controls WML-C - page 18

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

  • Field Controls WML-C - page 19

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

  • Field Controls WML-C - page 20

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

  • Field Controls WML-C - page 21

    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. (Refer to the oil pump spec ification sheet included with the ...

  • Field Controls WML-C - page 22

    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. Thermostat calls for heat : A) Safety check is made f ...

  • Field Controls WML-C - page 23

    30318 R4 9/9/2005 23 R7184 INTERRUPTED ELECTRONIC OIL PRIMARY CONTROL FIGURE 7 ELECTRONIC FAN TIMER BOARD ON CONTROL PANEL FIGURE 8 ...

  • Field Controls WML-C - page 24

    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. BURNER FLAME MONITORED CARRYOVER STATE • Provides continuous spark • LED diagnostic light ON • Start Carr y over Time r CARRYOVER TIMER EXPIRES RUN STATE • I g niter turn ...

  • Field Controls WML-C - page 25

    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. Oil flow s as long as the oil primar ...

  • Field Controls WML-C - page 26

    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. NORMA L CONDITIONS : The LED diagnostic light will turn on when the burner ...

  • Field Controls WML-C - page 27

    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. Voltage should be 120 Vac between the black and white le ...

  • Field Controls WML-C - page 28

    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. If line voltage is present, replace R7484. Ignition is on. Go to Step 9. 8. ...

  • Field Controls WML-C - page 29

    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. No power to furnace. Check furnace switch, main electric al panel furnace fuse or circuit breaker. ...

  • Field Controls WML-C - page 30

    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. Check contacts between the ignite r and elec ...

  • Field Controls WML-C - page 31

    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. Check system temperature rise . If tempera ...

  • Field Controls WML-C - page 32

    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 Panel Assembly 30311 5 Base Panel Assembly 29007 6 Front Panel 30073L 7 Blower Access Door 30074L Door Handle – P2-41 28673 Logo Bezel 28479 Logo L ...

  • Field Controls WML-C - page 33

    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 Harness, Junction Box to Control 30264 35 Wire Harness, Supply 29366 36 Limit Cover, Left 30240 37 Limit Cover, Right 30195 PARTS LISTING: COUNTERFLOW HO ...

  • Field Controls WML-C - page 34

    30318 R4 9/9/2005 34 ...

  • Field Controls WML-C - page 35

    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) 27038 3 Rear Panel 30353L 4 Blower Division Panel Assembly 30397 5 Base Heat Exchanger Support 26975 6 Front Panel 30350L 7 Blower Access Door 30363 ...

  • Field Controls WML-C - page 36

    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 Pump A2EA6520 29688 Solid State Ignitor FRANCE 10SAY-04 29522 Primary Combustion Control R7184A 29664 Air Tube Combination AF76XN 27610 Flame Retention H ...

  • Field Controls WML-C - page 37

    30318 R4 9/9/2005 37 ...

  • Field Controls WML-C - page 38

    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. Telephone No. After Hours No. ...

  • Field Controls WML-C - page 39

    30318 R4 9/9/2005 39 NOTES: ...

  • Field Controls WML-C - page 40

    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.e c r i nt er na ti on al .c om ...

Manufacturer Field Controls Category Furnace

Documents that we receive from a manufacturer of a Field Controls WML-C can be divided into several groups. They are, among others:
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- WML-C manuals
- Field Controls product data sheets
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All of them are important, but the most important information from the point of view of use of the device are in the user manual Field Controls WML-C.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Field Controls WML-C, service manual, brief instructions and user manuals Field Controls WML-C. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Field Controls WML-C.

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A complete manual for the device Field Controls WML-C, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Field Controls WML-C by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Field Controls WML-C.

A complete Field Controls manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Field Controls WML-C - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Field Controls WML-C, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Field Controls WML-C, that we can find in the current document
3. Tips how to use the basic functions of the device Field Controls WML-C - which should help us in our first steps of using Field Controls WML-C
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Field Controls WML-C
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Field Controls WML-C in a specific country, if it was not possible to solve the problem on our own.

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