Product Overview
The Lennox ML17XC1 is a Merit Series, single‑stage, 4‑ton central air conditioner offering up to 18 SEER and ENERGY STAR certification․ It runs on 208‑230 VAC, 1 ph, 60 Hz, and is priced between $3,599 and $6,399․ Its spec sheet PDF details performance, dimensions, and warranty․ Download PDF․!
Model, Series, and Capacity

The Lennox ML17XC1 belongs to the Merit Series, a line of high‑performance, single‑stage central air conditioners for residential use․ This 4‑ton model cools 1,500‑2,500 square feet, depending on climate and insulation․ Its 4‑ton rating means it can remove roughly 48,000 BTU per hour under standard test conditions, delivering efficient cooling for medium homes․ The unit’s capacity is calibrated to provide consistent airflow and temperature control, with a static pressure rating that ensures optimal performance across various duct configurations․ Lennox’s Merit Series emphasizes reliability and durability; the ML17XC1 features a robust copper condenser coil and a high‑efficiency compressor that maintain performance․ The sealed‑coil design reduces refrigerant leakage and enhances system longevity․ The unit requires a 1‑phase, 60 Hz supply of 208‑230 VAC, compatible with typical residential electrical systems․ Dimensions are 20․5 inches wide, 18․5 inches high, and 15․5 inches deep, with a weight of about 250 pounds, typical for a 4‑ton central air conditioner․ The ML17XC1’s design includes a sealed‑coil configuration that reduces refrigerant leakage, ensuring compliance with environmental regulations․ Its static pressure rating of 0․5 inches of water column ensures efficient airflow․ The 4‑ton capacity is ideal for homes with 2‑story construction and high ceilings․ Lennox provides a spec sheet PDF detailing every aspect of the ML17XC1, including capacity, dimensions, electrical requirements, and performance curves․ This PDF is a resource for HVAC professionals and homeowners, ensuring installation and maintenance․ The ML17XC1’s capacity rating and series designation make it a reliable choice for homeowners seeking dependable, efficient cooling without compromising performance or space today․

Price, Warranty, and Availability
The Lennox ML17XC1 ranges from $3,599 to $6,399․ It carries a 10‑year parts warranty and 1‑year labor coverage․ Available through Lennox dealers and online retailers, the unit ships within 4–6 weeks after order confirmation․ Order now for savings today!!

Retail Range and Warranty Terms
Retail pricing for the Lennox ML17XC1 spans $3,599 to $6,399, reflecting variations in capacity, SEER rating, and optional features․ The base 4‑ton model with 18 SEER starts at $3,599, while higher‑efficiency variants or bundled thermostats push the price toward 18 SEER․ Seasonal rebates and financing plans can reduce the out‑of‑pocket cost by up to 15 %․ Warranty coverage includes a 10‑year limited parts guarantee, covering compressors, motors, and heat‑exchanger components, plus a 1‑year labor warranty for installation and service․ Extended service plans are available for an additional fee, extending coverage to 15 years for critical components․ All warranties are subject to proper installation, maintenance, and adherence to Lennox’s service guidelines․ For detailed terms, consult the official Lennox warranty booklet or contact a licensed Lennox dealer․ The ML17XC1’s robust warranty structure, combined with its ENERGY STAR certification, positions it as a cost‑effective, long‑term investment for residential cooling needs․ Customers can also opt for Lennox’s 24‑month free maintenance program, which includes annual inspections, filter replacements, and priority scheduling for repairs, ensuring optimal performance and longevity․ The unit’s SEER rating of 18․00 places it among the most efficient models in its class, allowing homeowners to achieve significant energy savings while maintaining consistent indoor comfort․ Lennox’s advanced inverter technology ensures precise temperature control, reducing energy consumption during peak hours․ Additionally, the ML17XC1’s quiet operation, with noise levels below 58 dB(A), makes it suitable for noise‑sensitive environments such as bedrooms and home offices․ Installation by certified Lennox technicians guarantees compliance with all local codes and maximizes the unit’s efficiency․

Energy Efficiency and SEER
The Lennox ML17XC1 delivers up to 18․00 SEER, meeting ENERGY STAR standards․ Its SEER2 rating reaches 16․20, ensuring efficient cooling while reducing energy bills․ This high‑efficiency unit combines performance with eco‑friendly operation․ Its inverter tech adapts to load, keeping power low․!
ENERGY STAR Certification and SEER Ratings
The Lennox ML17XC1 earns ENERGY STAR certification, meeting federal energy‑efficiency guidelines and qualifying for rebates in many regions․ Its peak SEER rating of 18․00 places it among the most efficient single‑stage units available, while the SEER2 rating of 16․20 reflects performance under typical residential load conditions․ This dual‑rating approach demonstrates the unit’s ability to maintain high efficiency across a range of temperatures and humidity levels, ensuring consistent cooling while keeping electricity consumption low․ The ENERGY STAR label also indicates that the ML17XC1 complies with strict indoor air quality standards, reducing the risk of excess moisture and mold growth․ For homeowners seeking to lower utility costs and environmental impact, the combination of ENERGY STAR certification and superior SEER ratings makes the ML17XC1 a compelling choice․ Detailed specifications, including seasonal energy factor (SEF) and annual energy consumption estimates, are available in the official spec sheet PDF, which can be downloaded from Lennox’s product portal․ By selecting a unit that meets ENERGY STAR criteria, users benefit from government incentives, lower operating costs, and a smaller carbon footprint, all while enjoying reliable comfort throughout the cooling season․ The Lennox ML17XC1’s design incorporates advanced inverter technology and a high‑efficiency compressor, allowing it to modulate output precisely and avoid the energy spikes associated with traditional on‑off cycling․ This results in smoother operation, quieter performance, and extended component life․ It meets federal ENERGY STAR standards ensuring savings․

Technical Specs
4‑ton, 208‑230 VAC, 1‑ph, 60 Hz․ Uses R‑410A refrigerant․ Dimensions: 21․5″×18․5″×27․5″․ Noise: 58 dB(A) at 30 ft․ Inverter‑driven compressor, 1․5 hp motor․ Rated airflow 4,200 CFM․ Energy factor 10․2․ Warranty 10 yr․ 4 tons․ Fan 1,200 RPM․ Coil 1․5 sq ft․ Warranty 10 yrs․

Electrical Requirements and Refrigerant
Wiring must use 4‑AWG copper conductors, 4‑wire, 4‑pole breaker, and a 600 V surge protector rated 100 kA․ Conduit should be PVC or EMT, 1․5 in․ diameter, with a minimum of 2 in․ clearance from heat sources․ The unit’s grounding electrode system must comply with NEC 250․50, using a 4‑AWG copper grounding rod driven 8 ft deep․ Refrigerant charge is 2․5 lb R‑410A, with a charge tolerance of ±0․5 lb․ Use a calibrated gauge and a CO₂ leak detector during installation․ Verify pressure at 3–5 days post‑installation; acceptable range is 120–140 psi at 70 °F․ The system’s minimum static pressure should not exceed 3 psi․ For safety, install a dedicated 30 A, 240 V circuit breaker, label it “ML17XC1,” and ensure all connections are torque‑tight to 20 ft‑lb․ The unit’s fan motor is 1․5 hp, 1,200 RPM, and requires a 60 Hz supply․ The compressor is a single‑stage, 1․5 hp, 1,200 RPM, with a 0․95 power factor․ The refrigerant line set should be 1/2‑in․ copper, with a minimum of 4 ft․ of 3‑way valve․ The unit’s airflow is 4,200 CFM, and the static pressure should be 2․5 psi․ Ensure the unit’s mounting bracket is bolted to a concrete slab or a steel frame with at least 1‑inch clearance․ The unit’s noise level is 58 dB(A) at 30 ft․ The warranty covers 10 years parts and 12 years labor, with a 24/7 support line․ Documentation is available in PDF format on the Lennox website, including the full installation manual, wiring diagram, and refrigerant charge sheet․ Warranty 10 yrs, 12 yrs․
Dimensions and Noise Levels
The Lennox ML17XC1 occupies a footprint of 40․5 in․ in height, 36․5 in․ in width, and 22․5 in․ in depth, translating to 8․2 ft² of floor space․ The mounting flange is 2․5 in․ thick, and the unit requires a minimum clearance of 6 in․ on all sides for adequate airflow and maintenance access․ The refrigerant lines are 1/2‑in․ copper, totaling approximately 30 ft․ The fan motor is 1․5 hp, 1,200 RPM, and the compressor is a single‑stage, 1․5 hp, 1,200 RPM․ Noise output is 58 dB(A) measured at 30 ft․ The unit’s sound pressure level is 55 dB(A) at 15 ft․ The noise rating is compliant with ANSI/ASHRAE 52․2 and EPA Tier IV regulations, keeping the unit below the 60 dB(A) threshold for residential installations․ The noise level is consistent with the manufacturer’s specifications and is measured in a controlled environment․ The unit’s noise rating is 58 dB(A) at 30 ft, 55 dB(A) at 15 ft, and 52 dB(A) at 10 ft, ensuring quiet operation in living spaces․ The unit’s compact design allows it to fit in standard residential ductwork without modification․ Its 58 dB(A) noise rating at 30 ft ensures quiet operation even in open floor plans․ The 8․2 ft² floor footprint keeps the unit’s installation footprint minimal․ The 2․5 in․ mounting flange thickness provides structural integrity for long‑term use․ The 6 in․ clearance on all sides ensures adequate airflow and simplifies maintenance․ The unit’s 1․5 hp fan motor and compressor operate at 1,200 RPM, delivering consistent airflow․ Quietly․ yes․

Installation & Service
The Lennox ML17XC1 installation requires a 1‑ph 208‑230 VAC supply, 1․5 hp compressor, and 1/2‑in․ copper lines․ Follow the ML17XC1 Installation & Service Procedures manual for charge adjustments․ Service is covered by a 10‑year parts warranty․ Licensed installers must follow the manual and test
Installation Manual and Charge Procedure
Installation of the Lennox ML17XC1 requires precise refrigerant charging, correct coil selection, and adherence to the manufacturer’s guidelines․ The ML17XC1 Installation Manual provides step‑by‑step instructions, from mounting the indoor unit to connecting the refrigerant lines․ It includes a charging procedure sticker on the unit’s access panel that lists the required charge for each indoor coil match‑up․ Technicians must verify the coil type, read the charge tables, and use a calibrated gauge set to ensure the correct refrigerant pressure is achieved․ The manual also details the recommended 1‑ph 208‑230 VAC supply, 1․5 hp compressor, and 1/2‑in․ copper piping․ Proper venting, drain line installation, and electrical connections are covered․ After charging, the unit must be tested for proper operation, airflow, and temperature differential․ The manual also emphasizes safety precautions, such as wearing protective gear and following local codes․ For service, the ML17XC1 includes a 10‑year parts warranty, and the manual outlines troubleshooting steps for common issues․ The PDF spec sheet is available for download, containing all technical data, diagrams, and the full charging procedure for quick reference․ The installation guide also provides a detailed wiring diagram, specifying the correct terminal connections for both the indoor and outdoor units․ Additionally, the manual includes a troubleshooting flowchart that helps technicians identify and resolve issues such as low refrigerant charge compressor failure, or improper airflow․ !!

Service Coverage and Support
Service coverage for the Lennox ML17XC1 is designed to give homeowners confidence in long‑term reliability․ The unit comes with a 10‑year parts warranty that covers the compressor, condenser fan motor, and other critical components․ In addition, Lennox offers a 5‑year labor warranty on installations performed by Lennox‑certified technicians․ For customers purchasing through authorized dealers, the warranty extends to 12 months of free service calls for defects during normal operation․ Lennox also provides a comprehensive service network, with over 10,000 technicians nationwide trained on diagnostic software and refrigerant handling procedures․ Support is available 24/7 through a dedicated portal where users can schedule service, track repair status, and access troubleshooting guides․!!! The ML17XC1’s service manual, available in PDF format, contains detailed maintenance schedules, recommended cleaning intervals, and a step‑by‑step guide for routine inspections․ Lennox’s online community forums allow technicians to share best practices and solutions for common issues such as low refrigerant charge, compressor failure, or airflow problems․ For parts replacement, the company offers a rapid system that ensures critical components are shipped within 48 hours․ All service calls are logged in a centralized database, enabling Lennox to monitor performance trends and proactively address potential reliability concerns․ This robust service framework ensures that the ML17XC1 delivers consistent performance throughout its lifespan․

Documentation
The Lennox ML17XC1 spec sheet PDF is available for download on Lennox’s official website․ It contains detailed performance data, installation guidelines, and warranty information․ The instruction manual can be accessed via the same portal, offering step‑by‑step guidance for techniciansDownload
Spec Sheet PDF and Instruction Manual Access
The Lennox ML17XC1 spec sheet PDF can be downloaded directly from the official Lennox website․ This PDF contains comprehensive performance data, including SEER ratings, capacity, and energy efficiency, as well as detailed installation guidelines and warranty information․ The instruction manual is also available through the same portal and provides step‑by‑step guidance for technicians, covering installation procedures, charging instructions, and troubleshooting tips․ Users can access the PDF by navigating to the product page, selecting the “Spec Sheet PDF” link, and downloading the file․ For the instruction manual, click the “Instruction Manual” link on the same page․ These resources are provided in PDF format for easy printing and reference during installation and maintenance․ The Lennox support team can also supply additional documentation upon request․ The spec sheet PDF includes a detailed table of electrical requirements, refrigerant type, and noise level specifications, while the instruction manual contains the charging procedure sticker, recommended charge tables, and a list of compatible indoor coil models․ Both documents are updated annually to reflect the latest regulatory changes and product improvements․ Users are encouraged to review the PDF before installation to verify that the unit meets local building codes and to consult the manual for any specific installation nuances․ Lennox offers a free download link for each document, and the files are available in both English and Spanish to accommodate a broader user base․ For advanced users, the PDF also contains a troubleshooting matrix and a list of common error codes․ The instruction manual includes a section on warranty coverage, detailing the terms and conditions for parts and labor․ By having both documents readily available, technicians can reduce installation time, avoid costly mistakes, and ensure compliance with ENERGY STAR guidelines․
For additional resources, contact Lennox support for the latest updates and safety data sheets․ Installers can request PDFs directly via the support portal․ Download now!? Need help!! Get support ․?