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P/N 30149, Rev. G [12/15/2016]

APPENDIX B - WIRING DIAGRAMS

Chimney Vent Furnace Wiring Diagram BML/BMLV

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Содержание BML-60BRBU2

Страница 1: ... BMLV Lowboy Model with ECM Series B Oil Fired Warm Air Furnaces INSTALLATION OPERATION MAINTENANCE MANUAL P N 30149 Rev G 12 15 2016 ECR International 2210 Dwyer Avenue Utica NY 13501 web site www ecrinternational com ...

Страница 2: ...manent Shipping Weight LB Width A Length B Height C Supply D x E Return F x G Diameter Height H BML BMLV 22 51 32 20 x 19 20 x 18 5 26 20 x 20 x1 240 LB 55 8 cm 130 8 cm 81 3 cm 52 cm x 49 cm 52 1 cm x 47 cm 12 7 cm 66 7 cm 51cm x 5cm x 2 6cm 108 Kg Dimensions F G 1 4 5cm E H B C D A ...

Страница 3: ...lation 8 15 Oil Filter 8 16 Oil Burner Nozzles 8 17 Oil Burner Adjustment 8 18 Burner Electrodes 8 19 Burner Primary Safety Control 9 20 Combustion Chamber 9 21a Circulating Air Blower BML BMLV 9 21b Circulating Air Blower BMLV 10 22 Maintenance And Service 11 23 Operating Instructions BML 12 24 Operating Instructions BMLV 12 Appendix A Checkout and Adjustments 13 A 1 Oil Burner Air Adjustment 14 ...

Страница 4: ...f Canada HRAI or by other means prescribed or approved by the local authority having jurisdiction United States Manual J titled Load Calculation published by the Air Conditioning Contractors of America describes a suitable procedure for calculating maximum hourly heat loss 1 General Furnace installation shall be completed by qualified agency See glossary for additional information WARNING Fire exp...

Страница 5: ...must have a control to prevent operation of either system unless dampers are in full heat or full cool position Air heated by the furnace shall not pass through evaporator coil unless coil is specifically approved for such service Check and adjust blower speed to compensate for pressure drop caused by evaporator coil Maintain required clearance between bottom of coil drain pan and top of heat exch...

Страница 6: ...l pipes sloping upward toward the chimney at a rate of one quarter inch per foot Flue pipe should not be smaller in cross sectional area than flue collar on the furnace Flue pipe should connect to chimney so the flue pipe extends into and terminates flush with the inside surface of chimney liner Seal the joint between pipe and lining Chimney outlet should be at least two feet above highest point o...

Страница 7: ...it control is thermally operated and automatically resets Limit control is factory installed pre set and is not adjustable If limit control opens with United Technologies 1158 120 BML electronic fan control circulating fan will energize When limit closes fan off timer begins At the end of fan off time cycle burner is energized initiating normal burner cycle Chart 1 United Technologies 1158 120 BML...

Страница 8: ...efficiency BML and BMLV operate most efficiently with No 1 smoke spot on Bacharach Scale Dust will eventually build up on air moving components of oil burner assembly resulting in decreased air supply with potential soot build up in flue gas passageways of heat exchanger Soot behaves as insulator and impairs good heat transfer Stack temperature increases and efficiency decreases To avoid this prob...

Страница 9: ...nch run and lack block ends on the trunk ducts These systems may require modification to provide some resistance to the airflow to prevent over amping of direct drive blower motor Selecting a lower blower speed may correct this problem Direct drive blower speeds are adjusted by changing hot wires to motor winding connections Refer to wiring diagrams in Appendix B or wiring diagram label affixed to...

Страница 10: ...low for 7 5 minutes After 7 5 minutes has elapsed motor will increase to 100 of rated airflow Used to provide dehumidification and improve system efficiency Continuous Fan Operation When thermostat continuous fan G switch is on without call for heating or cooling indoor fan is immediately energized up to 50 of cooling speed Allows continuous circulation of air between calls for heating or cooling ...

Страница 11: ...maintenance Failure to do so could result in death or serious injury If cleaning is necessary shut off oil supply shut off power to the furnace and remove burner Use stiff brush with wire handle brush off scale and soot from inside drum and flue pipe Clean radiator remove clean out cap screws Remove caps carefully to avoid tearing gaskets Wire brush can be used to loosen dirt and debris on the ins...

Страница 12: ...alled in electrical power supply line to OFF 24 Operating Instructions BMLV Before Lighting 1 Open all supply and return air registers and grilles 2 Open all valves in oil pipes 3 Turn on electric power supply To Light Unit 1 Set thermostat above room temperature to call for heat Burner should start It may be necessary to press RESET button on primary combustion control relay 2 There is a fan on t...

Страница 13: ...ig 0 50 usgph F3 3 in BML 80B2 BMLV 80B2 76 000 AF76BNHS 0 65 80 A 100 psig 0 65 usgph F3 3 in BML 90B2 BMLV 90B2 85 000 AF76BNHS 0 75 80 A 100 psig 0 75 usgph F3 3 in 1 Head is shielded by ceramic insulator 2 Low Firing Rate Baffle required when using 0 50 gallon nozzle Table A 2 Beckett AFII Oil Burner Set Up Beckett AFII Series Oil Burners For use with sidewall vented units with outdoor combust...

Страница 14: ...hieve zero smoke A 1 OIL BURNER AIR ADJUSTMENT Consult oil burner instructions provided in furnace documents envelope for specific information concerning burner adjustments operation and troubleshooting Beckett AF Burner Chimney Vent Adjust air shutter by loosening locking screws Moving air shutter and if necessary bulk air band Beckett AFII Burner Direct Vent Adjust burner air supply Loosen locki...

Страница 15: ...gh airflow must be increased If temperature rise is too low slow fan down 11 After air adjustments have been completed recheck the over fire draft at test port on burner mounting plate shown in Figure 2 Over fire draft should be adjusted to 0 02 inches w c 12 Turn burner off Observe duct thermometer in supply air stream note temperature blower fan stops Fan adjustments can be made by moving dipswi...

Страница 16: ... obvious APPENDIX A CHECK OUT AND ADJUSTMENTS FIGURE 3 UNITED TECHNOLOGIES 1158 120 FAN TIMER BOARD BML FIGURE 4 UNITED TECHNOLOGIES 1168 1 ECM TAP BOARD BMLV Where oil shut off valve from oil storage tank is located Thermostat operation and other related accessories How to operate manual reset button on primary control and when not to push the reset button How and where to visually inspect ventin...

Страница 17: ...peed CFM External Static Pressure Inches w c 0 20 0 30 0 40 0 50 0 60 BML 60 90 100 10T DD 1 2 HP 7 1 70 F High 1722 1645 1561 1462 1375 Med High 1604 1545 1473 1383 1302 Med Low 1147 1133 1106 1063 1013 Low 747 738 720 702 669 Table A 8 Direct Drive Blower Characteristics ECM Motor Furnace Model Blower Motor HP Motor FLA T CFM RANGE Continuous Fan Heating Cooling 0 38 0 48 inches w c 0 5 inches w...

Страница 18: ...0 ON ON D 1 5 SW3 ADJUST POS SW4 DELAY POS DIP Switch Position CFM DIP Switch Position INPUT 1 2 1 2 USGPH OFF OFF A 0 OFF OFF A 0 65 ON OFF B 15 ON OFF B 0 85 OFF ON C 15 OFF ON C 0 75 ON ON D N A ON ON D 0 50 NOTE SW1 HEAT AND SW4 DELAY DIP SWITCHES MUST BOTH BE ADJUSTED ACCORDING TO INPUT NOZZLE SIZE SW2 COOL 1 TON is approximately equal to 400 CFM SW3 ADJUST Heating Mode Increase OR decrease t...

Страница 19: ...0 100 10T 3 x 2 T O 7 x 4L380 1 2 HP 3 x 7 x 4L380 1 2 HP 1 5 3 5 1 2 HP 600 1400 BML 90 100 10T 3 x 0 T O 7 x 4L380 1 2 HP 3 x 7 x 4L380 1 2 HP 1 5 3 5 1 2 HP 600 1400 Table A 11 Airflow Characteristics Belt Drive Furnace Model Motor HP Motor FLA T Blower Blower Pulley Motor Pulley Turns Out CFM External Static Pressure Inches w c 0 20 0 25 0 30 0 40 0 50 0 60 BML 60 90 1 2 HP 7 8 70 F 100 10T 7 ...

Страница 20: ...20 P N 30149 Rev G 12 15 2016 APPENDIX B WIRING DIAGRAMS Chimney Vent Furnace Wiring Diagram BML BMLV ...

Страница 21: ...21 P N 30149 Rev G 12 15 2016 APPENDIX B WIRING DIAGRAMS Direct Vent Furnace Wiring Diagram BML BMLV ...

Страница 22: ...uts off burner Circulator fan is energized immediately at heat speed EFT opens the oil primary control T T connections Circulating fan runs as long as limit string stays open If there is a call for cooling or fan the circulating fan switches from heating to cooling speed Limit switch string closes with existing call for heat EFT begins heat fan off delay sequence Circulating fan turns off after th...

Страница 23: ...may burn out heat anticipator of standard 24 vac thermostat or cause harm to components within micro electronic thermostat Before checking oil primary control perform these preliminary checks repair or replace controls as necessary Check power supply fuse box or breaker any service switches all wiring connections and burner motor reset button if equipped Check limit switches to ensure switch conta...

Страница 24: ...epair light leak if necessary Open safety switch Check for open limit or auxiliary limit Check internal wiring connections loose connectors etc Furnace will not start without first pushing oil primary control reset button Happens on frequent basis No fuel oil Check fuel oil supply Check all hand operated fuel oil valves are in open position Fill oil storage tank if necessary Clogged nozzle Replace...

Страница 25: ... oil supplier Frozen oil line Gently warm oil line Insulate oil line Outdoor piping size may require increased diameter Oil burner sputtering at nozzle Electrodes out of adjustment or defective Check electrode settings Check electrodes for dirt build up or cracks in porcelain Poor igniter connections or defective igniter Check contacts between the igniter and electrodes If OK replace the igniter F...

Страница 26: ...re rise is too high speed up blower fan Defective high limit control Test high limit function of all limit switches Use duct thermometer to verify accuracy of limit control Check for obstructions to airflow around limit switch bimetal elements Replace control if necessary Under sized nozzle Check nozzle If problem is not caused by air flow problems use larger nozzle if permitted by rating plate Bl...

Страница 27: ... 12 15 2016 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 APPENDIX D HOMEOWNER S REFERENCE TABLE ...

Страница 28: ...7675 Sight Glass Cover Plate 29850 Sight Glass Gasket 2 per unit 29870 Sight Glass 29876 17 Flue Pipe Collar 27476 18 Air Filter 20 x 20 x 1 Permanent 2180032 19 Control Panel 30010 20 Control Panel Cover 29654 21 Wire Harness Blower Motor Direct Drive 29690 Wire Harness Blower Motor Belt Drive 29691 22 Wire Harness Fan Timer Board Chimney Vent 29364 23 Wire Harness Transformer and Supply 29751 24...

Страница 29: ...ing and Wheel 100 10T Belt Drive 30627 Blower Motor 1 2 HP One Speed 102000154 Motor Pulley 3 1 4 x 1 2 2240001 Blower Pulley 7 x 3 4 2240008 Belt 4L380 2240017 Blower Base 2 per unit 109005826 Grommet Blower Feet 4 per unit 26415 30 Insulation Limit Disc Retainer 20602 31 Radiator Clean out Pipe Cover 2 per unit 240007841 Radiator Clean out Cap Gasket 2 per unit 240006333 32 Filter Side Rail 2 pe...

Страница 30: ...ner Motor 1 7 HP 3450 RPM PSC 28907 Beckett Clean cut Oil Pump A2EA6520 29688 Solid State Ignitor 28558 Oil Primary Combustion Control 7505P1530 Air Tube Combination FBX80HGXS 28561 Flame Retention Head FB3 28533 Riello Oil Burner 40BF3 30427 34 Appliance Vent Adapter 5 x 3 240006904 Pressure Switch 0 28 WC 30700 10 Second Bypass Timer GPS00C9X10 Use with Beckett AFII 30699 25 Second Bypass Timer ...

Страница 31: ...31 P N 30149 Rev G 12 15 2016 Model BML and BMLV Diagram Direct Drive Model Shown 37 ...

Страница 32: ...P N 30149 Rev G 12 15 2016 ECR International 2210 Dwyer Avenue Utica NY 13501 web site www ecrinternational com ...

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