E 2012 Lennox Industries Inc.
Dallas, Texas, USA
DOWNFLOW
AIR FLOW
INSTALLATION
INSTRUCTIONS
EL280DF
MERIT® SERIES GAS FURNACE
DOWNFLOW AIR DISCHARGE
506896−01 |
|
08/2012 | Litho U.S.A. |
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 | Venting | 11 | |
EL280DF Gas Furnace | 3 | Gas Piping | 16 | |
Shipping and Packing List | 3 | Electrical | 18 | |
Integrated Control | 23 | |||
Safety Information | 3 | |||
Unit Start−Up | 24 | |||
Use of Furnace as a Construction Heater | 4 | |||
Gas Pressure Adjustment | 25 | |||
|
| |||
General | 4 | Proper Combustion | 26 | |
Combustion, Dilution & Ventilation Air | 5 | High Altitude | 26 | |
Downflow Installation | 8 | Other Unit Adjustments | 27 | |
Heating Sequence of Operation . . . | 28 | |||
Setting Equipment | 9 | |||
Service | 29 | |||
|
| |||
Filters | 10 | Repair Parts List | 30 | |
|
| |||
Duct System | 11 | Start Up and Performance Checklist | 31 |
08/12 |
| 506896−01 |
*2P0812* | Page 1 |
|
|
|
