UNIT OPERATION

 

 

 

 

 

(typical)

 

 

Combustion CO2

 

 

 

 

2

 

 

SUPPLY

 

 

 

 

 

 

 

 

 

 

AIR

 

Gas Manifold Pressure

7

Thermostat

 

Temperatures

 

 

 

 

 

 

 

6

 

 

 

 

 

 

1

 

 

upflow furnace shown

 

 

 

 

 

4

 

 

 

 

 

Filter

Blower Motor Amps

 

 

 

 

 

 

 

 

 

Duct Static

 

3

 

 

 

 

 

 

 

 

RETURN

5

 

 

 

 

AIR

 

 

 

 

 

 

HEATING MODE

 

COOLING MODE

 

 

 

1

GAS MANIFOLD PRESSURE .C._____

3

INDOOR BLOWER AMPS______

 

 

 

 

4

TEMPERATURE DROP

2 COMBUSTION SAMPLE CO2%______CO PPM_______

Return Duct Temperature _________

 

 

 

 

 

3 INDOOR BLOWER AMPS______

 

Supply Duct Temperature _ _______

 

Temperature Drop = _________

 

 

 

 

 

4

TEMPERATURE RISE

 

5

TOTAL EXTERNAL STATIC (dry coil)

 

Supply Duct Temperature ________

 

Supply External Static _______

 

 

 

 

Return Duct Temperature _ _____

 

Return External Static + ______

 

Temperature Rise = ________

 

Total External Static = _______

 

 

 

5 TOTAL EXTERNAL STATIC (dry coil)

6

DRAIN LINE

 

 

 

Supply External Static _______

 

Leak Free

 

 

 

 

Return External Static + ______

 

 

 

Total External Static = _______

7

THERMOSTAT

 

 

 

 

 

 

 

 

Adjusted and Programmed

 

 

 

 

 

Operation Explained to Owner

 

Contractor’s: Name_________________________Telephone_____________Checklist Completed____________________

 

Job Address_____−________________________________Technician’s Name___________________________________

Page 51

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Image 51
Lennox International Inc Elite Series Gas Furnace Upflow/Horizontal Air Discharge Unit Operation, Cooling Mode, Drain Line

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.