Lennox International Inc Wiring Diagram for Lennox Elite Series Gas Furnaces and Air Handlers

Page 29

EL280UH SCHEMATIC WIRING DIAGRAM

G

 

 

 

 

BLACK WHITE GRN/YLW

 

 

 

 

 

DELAY

 

 

 

 

1

4

7

10

 

2

5

8

11

 

3

6

9

12

8

9

 

 

 

070P24A

BLACK BROWNYELLOWRED

070P36A

BLACK YELLOW RED

BROWN

090P36B

BLACK BROWNYELLOWRED

090P48B

BLACK YELLOW RED

BROWN

110P48C

BLACK BROWNYELLOWRED

110P60C

BROWNYELLOW RED

BLACK

135P60D

BROWNYELLOW RED

BLACK

070XP36A BLACK YELLOW RED

BROWN

090XP48B BLACK YELLOW RED

BROWN

110XP60C BROWNYELLOW RED

BLACK

.50 AMP

 

.43 AMP

WHITE RODGERS VALVE

JUMPER W915 FROM Y1 TO Y2, LABELED ”2 STAGE COMPR”, IS FACTORY INSTALLED AT A92 CONTROL BOARD. LEAVE IN FOR ONE STAGE COOL THERMOSTAT, CUT JUMPER FOR TWO STAGE COOL THERMOSTAT.

FACTORY DEFAULT IS FOR A 2 STAGE THERMOSTAT

8

TERMINAL #1 IS USED FOR ERROR CODE RECALL ONLY.

9

SEE INSTALLATION INSTRUCTIONS FOR DETAILS.

24V POWER IS PROVIDED FOR OPTIONAL

HUMIDIFIER DURING HEAT DEMAND

K9

 

K4

 

K10

K11

LO HEAT

HI HEAT

K1

 

120V

EAC

K6

 

K8

 

BURNER

 

ASSY GND

 

EL280UH070P24A

EL280UH110P60C

EL280UH070P36A

EL280UH135P60D

EL280UH090P36B

EL280UH070XP36A

EL280UH090P48B

EL280UH090XP48B

EL280UH110P48C

EL280UH110XP60C

 

0112

2011

 

FIGURE 31

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Image 29
Contents Table of Contents Installation Instructions EL280UHSupply AIR Opening Unit Dimensions − inches mmParts Arrangement Shipping and Packing List Safety InformationEL280UH Gas Furnace General Use of Furnace as Construction HeaterCombustion, Dilution & Ventilation Air Equipment in Confined Space ALL AIR from Inside Equipment in Confined Space Setting Equipment Return Air Bracket Duct System FiltersUpflow Position VentingHorizontal Right Position Horizontal Left PositionVent Connection Upflow and Horizontal Position Common Venting Using Metal−Lined Masonry Chimney −1/2 To these instructions and the provided venting tables. If Feet FAN + FAN FAN + NAT 130 Carbon Monoxide Poisoning Hazard Leum gases Gas PipingHorizontal Applications Possible Gas Piping Configurations Electrostatic Discharge ESD Interior MAKE−UP BOX InstallationElectrical Page Field Wiring Applications OFF EL280UH Schematic Wiring Diagram TWO−STAGE Integrated Control Typical EL280UH Field Wiring DiagramIntegrated Control Unit Start−Up For Your Safety Read Before LightingHigh Altitude Gas Pressure AdjustmentProper Combustion Manifold Pressure Settings at all Altitudes Heat FAN-OFF Time in Seconds Other Unit AdjustmentsHeating Sequence of Operation Blower Data Pressure Bottom and One Side Electrical SHOCK, Fire Or Explosion Hazard ServiceHeat Exchanger Removal EL280UH BURNER, Combustion AIR Inducer AssemblyPage Repair Parts List Planned ServiceLED Integrated Control Diagnostic CodesFlash Code Status / Error Description On Next Troubleshooting Heating Sequence of OperationHeating Sequence of Operation U1.40 microamps Or Heat Demand is SATISFIED. a Five Cooling Sequence of Operation Troubleshooting Cooling Sequence of OperationContinuous LOW Speed FAN Sequence of Operation Troubleshooting Continuous Fan Sequence of OperationStart−Up & Performance Check List Temperature Rise Cooling ModeUnit Operation Drain Line
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Manual 7 pages 50.25 Kb

Elite Series Gas Furnace Upflow/Horizontal Air Discharge, EL280UH specifications

Lennox International Inc. has established itself as a leader in the heating and cooling industry, providing innovative solutions for both residential and commercial environments. One of their notable products is the EL280UH, a high-efficiency gas furnace designed to offer optimal comfort while minimizing energy consumption.

The EL280UH operates with an impressive Annual Fuel Utilization Efficiency (AFUE) rating of up to 80%. This efficiency rating means that 80% of the fuel consumed is converted into heat, making it a cost-effective option for homeowners looking to reduce their utility bills. The furnace’s design is tailored to deliver reliable warmth during the coldest months, ensuring a comfortable home environment.

A key feature of the EL280UH is its two-stage heating capability. This technology allows the furnace to operate at a lower heating output for less demanding conditions, which not only conserves energy but also helps maintain a more consistent temperature in the home. When the demand for heat increases, the furnace can seamlessly transition to its higher output setting, providing quick and effective heating when needed.

Additionally, the EL280UH is equipped with a durable cabinet that minimizes heat loss, enhancing overall performance. The design incorporates several sound-dampening features as well, which contributes to quieter operation, allowing homeowners to enjoy a serene indoor environment.

The furnace also includes an advanced control system that integrates easily with smart home technology. This feature enables users to monitor and adjust their heating settings from anywhere using a smartphone app, creating added convenience and control over home heating.

Safety is another paramount aspect of the EL280UH. It includes an integrated flame sensor and pressure switch, ensuring reliable operation while minimizing risks associated with furnace malfunctions. The design adheres to stringent safety standards, providing users with peace of mind.

In summary, the Lennox EL280UH furnace stands out for its high efficiency, advanced features, and commitment to user safety. Its two-stage heating capability, quiet operation, and smart home integration make it an excellent choice for homeowners looking to enhance their heating system while being energy-conscious. The EL280UH embodies Lennox's dedication to quality and innovation, ensuring that comfort and efficiency go hand in hand.