Page 1
506903-01
*P506903-01*
12/12
*2P1212*
E
2012 Lennox Industries Inc.
Dallas, Texas, USA
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
appliance.
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
ELO183DH Series Units
OIL UNITS
506903-01
12/2012
Supersedes 04/2012
Table of Contents
Elite Series Oil Furnace
1
. . . . . . . . . . . . . . . . . . . . . . . .
Shipping and Packing List
1
. . . . . . . . . . . . . . . . . . . . . .
Unit Dimensions
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
ELO183DH Unit Parts Arrangement
3
. . . . . . . . . . . . .
Oil Burner Parts Arrangement
3
. . . . . . . . . . . . . . . . . . .
Requirements
4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Combustion & Ventilation Air
5
. . . . . . . . . . . . . . . . . . . .
Installation
7
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Adjustments
8
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Venting
9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Flue Connections
10
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Supply & Return Air Plenums
11
. . . . . . . . . . . . . . . . . . .
Optional Filter Kit
11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Oil Supply Line Sizing
11
. . . . . . . . . . . . . . . . . . . . . . . . .
Oil Supply Line & Filter Connections
13
. . . . . . . . . . . . .
Leak Check
13
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Wiring
13
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unit Start-Up & Adjustments
15
. . . . . . . . . . . . . . . . . . . .
Service
16
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Burner Control
17
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Troubleshooting
19
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Start-Up & Performance Checklist
24
. . . . . . . . . . . . . . .
Elite
®
Series Oil Furnace
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 Lennox Elite
®
Series ELO183DH oil furnaces. In Cana
da, refer to CSA B139 for recommended installation proce
dures. Consult authorities who have jurisdiction before
installation.
WARNING
Never push the ignition reset button more than one
time. Pushing the reset more than once can lead to
a build-up of oil within the heat exchanger resulting
in a fire or explosion.
Shipping & Packing List
1- Assembled oil furnace
1- Draft control
2- Nozzels
Check the components for shipping damage. If you find
any damage, immediately contact the last carrier.
Litho U.S.A.
