Lennox EL195UH040NE36B Installation Instructions And Use

Page 1
INSTALLATION
INSTRUCTIONS
EL195UHNE
507758-02
02/2018
Supersedes 507758-01
THIS MANUAL MUST BE LEFT WITH THE
HOMEOWNER FOR FUTURE REFERENCE
This is a safety alert symbol and should never be
ignored. When you see this symbol on labels or in man-
uals, be alert to the potential for personal injury or death.
CAUTION
As with any mechanical equipment, contact with sharp
sheet metal edges can result in personal injury. Take
care while handling this equipment and wear gloves and
protective clothing.
WARNING
Improper installation, adjustment, alteration, service
or maintenance can cause property damage, personal
injury or loss of life. Installation and service must be
performed by a licensed professional HVAC installer or
equivalent, service agency, or the gas supplier.
© 2018 Lennox Industries Inc.
Dallas, Texas USA
ELITE
®
SERIES GAS FURNACE
UPFLOW / HORIZONTAL AIR DISCHARGE
Contents
Unit Dimensions - inches (mm) ......................................2
EL195UHNE Gas Furnace .............................................3
Shipping and Packing List ..............................................3
Safety Information ..........................................................3
Use of Furnace as Construction Heater .........................4
General ...........................................................................5
Combustion, Dilution & Ventilation Air ............................5
Shipping Bolt Removal ...................................................8
Installation - Setting Equipment ......................................8
Filters ............................................................................13
Duct System .................................................................13
Pipe Fittings Specications...........................................13
Joint Cementing Procedure .......................................... 16
Venting Practices ..........................................................16
Vent Piping Guidelines .................................................17
Gas Piping ....................................................................36
Electrical .......................................................................38
Ignition Control .............................................................41
Unit Start-Up .................................................................41
Gas Pressure Adjustment .............................................44
Proper Combustion.......................................................44
High Altitude Information ..............................................44
Testing for Venting and Combustion Air........................45
Service..........................................................................46
Repair Parts List ...........................................................48
Start-Up & Performance Check List .............................49

Lennox EL195UH040NE36B Specifications

General

Brand	Lennox
Model	EL195UH040NE36B
Category	Furnace
Language	English