Page 1
01/13
*2P0113*
507140-01
*P507140-01*
E
2013 Lennox Industries Inc.
Dallas, Texas, USA
DOWNFLOW
AIR FLOW
INSTALLATION
INSTRUCTIONS
EL180DFE
ELITE
®
SERIES GAS FURNACE
DOWNFLOW AIR DISCHARGE
507140-01
01/2013
This is a safety alert symbol and should never be ignored.
When you see this symbol on labels or in manuals, be alert
to the potential for personal injury or death.
THIS MANUAL MUST BE LEFT WITH THE
HOMEOWNER FOR FUTURE REFERENCE
WARNING
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, person
al injury or loss of life. Installation and service must
be performed by a licensed professional installer (or
equivalent), service agency or the gas supplier.
CAUTION
As with any mechanical equipment, personal injury
can result from contact with sharp sheet metal
edges. Be careful when you handle this equipment.
Table of Contents
Unit Dimensions
2
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
EL180DFE Gas Furnace
3
. . . . . . . . . . . . . . . . . . . . . . . . .
Shipping and Packing List
3
. . . . . . . . . . . . . . . . . . . . . . . .
Safety Information
3
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Use of Furnace as a Construction Heater
4
. . . . . . . . . . .
General
4
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Combustion, Dilution & Ventilation Air
5
. . . . . . . . . . . . . .
Setting Equipment
9
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Filters
11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Duct System
11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Venting
11
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas Piping
17
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical
19
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Integrated Control
22
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Unit Start-Up
23
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Gas Pressure Adjustment
24
. . . . . . . . . . . . . . . . . . . . . . . .
Proper Combustion
24
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
High Altitude
24
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Other Unit Adjustments
25
. . . . . . . . . . . . . . . . . . . . . . . . . .
Service
27
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Repair Parts List
28
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Start-Up & Performance Checklist
29
. . . . . . . . . . . . . . . . .
Litho U.S.A.
