Lennox International Inc installation instructions Installation Instructions EL180UHE

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E 2013 Lennox Industries Inc.

Dallas, Texas, USA

UPFLOW

AIR FLOW

INSTALLATION

INSTRUCTIONS

EL180UHE

ELITE® SERIES GAS FURNACE

UPFLOW / HORIZONTAL AIR DISCHARGE

507138-01 01/2013

Litho U.S.A.

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 manuals, be alert to the potential for personal injury or death.

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.

AIR FLOW

HORIZONTAL LEFT

AIR FLOW

HORIZONTAL RIGHT

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

Gas Piping

20

EL180UHE Gas Furnace

3

Electrical

22

Shipping and Packing List

3

Integrated Control

25

Safety Information

3

Unit Start-Up

26

Use of Furnace as a Construction Heater

4

Gas Pressure Adjustment

27

General

4

High Altitude

27

Combustion, Dilution & Ventilation Air

5

Proper Combustion

27

Setting Equipment

8

Other Unit Adjustments

28

Filters

11

Service

29

Duct System

11

Repair Parts List

30

Venting

12

Start Up Check List

31

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Contents Table of Contents Installation Instructions EL180UHEOpening Unit Dimensions inches mmEL180UHE Gas Furnace Safety InformationShipping and Packing List Use of Furnace as Construction Heater Installed in Combination with a Cooling CoilGeneral Unconfined Space Combustion, Dilution & Ventilation AirAir from Inside Confined SpaceAir from Outside Equipment in Confined Space Upflow Applications Setting EquipmentWith transition and filter Return Air -- Upflow ApplicationsSingle Side Return Air Horizontal Applications Removing the Bottom PanelReturn Air -- Horizontal Applications Filters Horizontal Application Unit Installed on PlatformDuct System Supply Air PlenumReturn Air Plenum VentingMounting Screws Location Upflow PositionLeft Side Vent Discharge Horizontal Left PositionRight Side Vent Discharge Side Vent DischargeHorizontal Right Position Venting Using a Masonry ChimneySide Vent Discharge no modifications necessary Vent Connection Upflow and Horizontal Position Common Venting Using Metal-Lined Masonry ChimneyConnector Length feet m Connector Diameter Maximum HorizontalGeneral Venting Requirements Page MIN FAN + FAN FAN + NAT Removal of the Furnace from Common Vent Gas PipingGas Supply 103.92 97.69 92.31 Gas Pipe Capacity ft3/hr m3/hrPrecautions and Procedures Horizontal Applications Possible Gas Piping ConfigurationsElectrical Leak CheckAccessory Terminals Interior MAKE-UP BOX InstallationGenerator Use Voltage Requirements ThermostatEL180UHE Schematic Wiring Diagram Integrated Control Diagnostic Codes / Status of FurnaceIntegrated Control Automatic Hot Surface Ignition SystemUnit Start-Up For Your Safety Read Before LightingGAS Meter Clocking Chart Gas Pressure AdjustmentProper Combustion High AltitudeOther Unit Adjustments Service ML180UHE Burner Assembly & Removal Repair Parts ListControl Panel Parts Blower PartsStart-Up & Performance Check List Temperature Drop Cooling ModeTemperature Rise Unit Operation

EL180UHE specifications

Lennox International Inc. has long been a leader in providing innovative heating and cooling solutions, and the EL180UHE represents a notable advancement in their line of high-efficiency gas furnaces. Designed to meet the demands of residential heating, this unit combines advanced technology with user-friendly operation and significant energy savings.

One of the standout features of the EL180UHE is its efficiency rating, with an Annual Fuel Utilization Efficiency (AFUE) of up to 80%. This high efficiency not only helps homeowners save on energy bills but also reduces their carbon footprint. The furnace is equipped with a reliable, multi-speed blower motor, which enhances comfort levels by maintaining consistent air circulation throughout the home.

The EL180UHE employs advanced combustion technologies, such as Lennox's low-NOx burner, which minimizes nitrogen oxide emissions, contributing to a cleaner environment. The unit is also designed with a sealed combustion system that draws air directly from the outdoors rather than from inside the home, leading to improved indoor air quality and increased safety.

Another significant characteristic of the EL180UHE is its whisper-quiet operation. This is achieved through well-engineered insulation and a design that minimizes noise levels, allowing for a comfortable living environment without disruptive sounds. Many homeowners appreciate the quiet performance, especially during the night or in spaces where noise is a concern.

The installation process is straightforward, supported by Lennox's user-friendly design. The EL180UHE is compatible with various home configurations and can easily integrate with existing HVAC systems. Additionally, it has a compact footprint, making it suitable for homes with space constraints.

Further enhancing its appeal, this gas furnace features robust warranty options, reflecting Lennox's commitment to quality and customer satisfaction. Homeowners can rest assured that they are investing in a durable product that has been built to last.

In conclusion, Lennox International Inc.'s EL180UHE gas furnace exemplifies the company's dedication to innovation, efficiency, and reliability in home heating solutions. With its high AFUE rating, advanced combustion technology, quiet operation, and user-friendly design, the EL180UHE is an excellent choice for homeowners looking to enhance their comfort while minimizing energy costs.
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