Page 1
E 2018 Lennox Industries Inc.
Dallas, Texas, USA
Front
Flue Model
Shown
RETAIN THESE INSTRUCTIONS
FOR FUTURE REFERENCE
IMPORTANT
This unit must be serviced annually by a licensed
professional technician, or equivalent.
WARNING
Improper installation, adjustment, alteration, ser
vice, or maintenance can cause injury or property
damage. Refer to this manual. For assistance or
additional information, consult a licensed profes
sional installer, or equivalent, or service agency.
WARNING
Do not store or use gasoline or other flammable va
pors and liquids in the vicinity of this or any other ap
pliance.
CAUTION
When venting this appliance, keep vent terminal free
of snow, ice and debris.
CAUTION
As with any mechanical equipment, personal injury
can result from contact with sharp sheet metal
edges. Be careful when you handle this equipment.
INSTALLATION
INSTRUCTIONS
DAVE LENNOX SIGNATURE
®
COLLECTION OIL FURNACE
HORIZONTAL AIR DISCHARGE
SLO185BV SERIES UNITS
OIL UNITS
507262-01
08/2018
Supersedes 12/2016
Table of Contents
General 1.....................................
Shipping & Packing List 1.......................
SLO185BV Unit Dimensions 2...................
SLO185BV Start-Up & Performance Check List 2..
SLO185BV Unit Parts Arrangement 3.............
SLO185BV NX Burner Parts Arrangement 3.......
Requirements 4................................
Combustion and Ventilation Air 5.................
Locate & Level Unit 6...........................
Nozzle Adjustments 7..........................
Indoor Coil Placement 8........................
Venting 8.....................................
Flue Connections 10...........................
Supply & Return Air Plenums 11.................
Oil Supply Line Sizing 11.......................
Oil Supply Line and Filter Connections 13.........
Leak Check 13................................
Electrical Wiring 13.............................
Blower Control (A54) 17........................
Start-Up & Adjustment 20.......................
Service 22....................................
GeniSyst Primary Control 23...................
Heating Sequence 24...........................
Troubleshooting 24.............................
General
These instructions are intended as a general guide and do
not supersede local codes in any way. Only licensed pro
fessional technicians, or equivalent, can install and service
the Dave Lennox Signature
®
Collection SLO185BV oil fur
naces. In Canada, refer to CSA B139 for recommended
installation procedures. Consult authorities who have juris
diction before installation.
CAUTION
Never burn garbage or paper in the heating system.
Never leave papers near or around the unit.
Shipping & Packing List
1 - Assembled oil furnace
1 - Barometric draft control
1 - High fire oil nozzle (used to convert to high fire 105 and
141 input)
Check the components for shipping damage. If you find
any damage, immediately contact the last carrier.
Litho U.S.A.
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