Lennox International Inc EL180UHE Horizontal Left Position, Left Side Vent Discharge

Page 13

UPFLOW POSITION

Left Side Vent Discharge

HORIZONTAL LEFT POSITION

Cover Plate

Collector Box

Pressure

 

Switch

Make-Up

 

Box

Vent Pipe

 

Flue

Transition

Vent Pipe

Pressure

Switch

Flue

Transition

Top Vent Discharge

AIR

FLOW

AIR FLOW

DGas supply piping must be brought into the unit from the right side in order to accommodate the flue pipe.

DCut Combustion air inducer tubing from 9” to 8” to avoid inter­ ference with inducer motor

DRemove make-up box assembly (2 screws) and cut wire tie to free make-up box wires. Re-install make-up box on other side of cabinet.

DRe-secure make-up box wires: Either pull excess wires through the blower compartment and secure using supplied wire tie, or coil excess wire and secure to the gas manifold.

FIGURE 16

UPFLOW POSITION

Right Side Vent Discharge

Collector Box

Cover Plate

Flue Transition

 

Vent Pipe

 

 

Pressure

 

 

Switch

 

 

Make-Up

Box

AIR FLOW

DCut combustion air inducer tubing from 9” to 5” to avoid interference with inducer motor

FIGURE 17

Cover Plate

Make-Up Box

Collector Box

DDisconnect pressure switch hose from barbed fitting on the pressure switch assembly. Remove pressure switch assembly (1 screw) and cut wire tie to free pressure switch wires. Re- install pressure switch on the other side of orifice plate and re- connect pressure switch hose.

DRe-secure pressure switch wires: Either pull excess wires through the blower compartment and secure using supplied wire tie, or coil excess wire and secure to the gas manifold.

FIGURE 18

HORIZONTAL LEFT POSITION

Side Vent Discharge

Pressure Switch

AIR

FLOW

Vent Pipe

Make-Up Box

Collector Box

 

DCut combustion air inducer tubing from 9” to 7” to avoid inter­ ference with inducer motor

DDisconnect pressure switch hose from barbed fitting on the pressure switch assembly. Remove pressure switch assembly (1 screw) and cut wire tie to free pressure switch wires. Re- install pressure switch on the other side of orifice plate and re- connect pressure switch hose.

DRe-secure pressure switch wires: Either pull excess wires through the blower compartment and secure using supplied wire tie, or coil excess wire and secure to the gas manifold.

FIGURE 19

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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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