Olsen BML-80B2 - Default Chapter; Table of Contents

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P/N 30149, Rev. G [12/15/2016]
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Information and specications outlined in this manual in effect at the
time of printing of this manual. Manufacturer reserves the right to
discontinue, change specications or system design at any time without
notice and without incurring any obligation, whatsoever.
1. General ................................................................................................................................ 4
2. Safety Symbols ..................................................................................................................... 4
3. Introduction Models BML And BMLV .......................................................................................... 4
4. Heat Loss ............................................................................................................................. 4
5. Locating the Unit ................................................................................................................... 5
6. Furnace Used In Conjunction With Air Conditioning .................................................................... 5
7. Combustion Air ..................................................................................................................... 6
8. Chimney Venting ................................................................................................................... 6
9. Barometric Damper Control ..................................................................................................... 7
10. Optional Side Wall Venting ..................................................................................................... 7
11a. Fan Timer Board And Limit Control (BML) See Figure 3, page 15 ............................................... 7
11b. Fan Timer Board And Limit Control (BMLV) See Figure 4, page 15 ............................................. 7
12. Electrical Connections ........................................................................................................... 7
13. Humidier ........................................................................................................................... 8
14. Piping Installation ................................................................................................................ 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
A.2 Burner Electrodes .............................................................................................................15
A.3 Start Up ..........................................................................................................................15
A.4 Special Instructions For Units Equipped With Riello Burners ..................................................... 15
A.5 Final Check Out ................................................................................................................16
Appendix B: Wiring Diagrams ................................................................................................ 20
Chimney Vent Furnace Wiring Diagram BML/BMLV ......................................................................20
Direct Vent Furnace Wiring Diagram BML/BMLV ..........................................................................21
Appendix C - Sequence of Operation and Troubleshooting ..................................................... 22
C.1 Troubleshooting ................................................................................................................23
C.2 Preliminary Steps ..............................................................................................................23
C.3 Check Oil Primary Control ...................................................................................................23
Appendix D - Homeowner’s Reference Table .......................................................................... 27
Parts Listing: Chimney Vent Models BML80(B2,BRF2) and BMLV80(B2,BRF2) ....................... 28
Parts Listing: Direct Vent Models BML80(BB2U2,BRBU2) and BMLV80(BB2U2,BRBU2) .......... 30
Parts Diagram BML and BMLV ................................................................................................ 31