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Lennox XC16 TWO-STAGE AIR CONDITIONER Maintenance

The Lennox XC16 TWO-STAGE AIR CONDITIONER Maintenance Form is divided into several parts allowing you to inspect it thoroughly by using the provided detailed checklist. Ensure your equipment's quality performance by using this form. Follow the precautionary measures included to protect your personell's safety, as well.
MaintainX
04/26/2021

Lennox XC16 TWO-STAGE AIR CONDITIONER Maintenance

The Lennox XC16 TWO-STAGE AIR CONDITIONER Maintenance Form is divided into several parts allowing you to inspect it thoroughly by using the provided detailed checklist. Ensure your equipment's quality performance by using this form. Follow the precautionary measures included to protect your personell's safety, as well.

    Installation and service must be performed by a licensed professional installer (or equivalent) or a service agency. At the beginning of each cooling season, the system should be checked as follows:

    WARNING: Electric shock hazard. Can cause injury or death. Before attempting to perform any service or maintenance, turn the electrical power to unit OFF at disconnect switch(es). Unit may have multiple power supplies.

    OUTDOOR UNIT

    Unit Nameplate

    Actual

    NOTE - If insufficient heating or cooling occurs, the unit should be gauged and refrigerant charge should be checked.

    INDOOR COIL

    INDOOR UNIT

    Unit Nameplate:

    Actual:

    TWO−STAGE COMPRESSOR CHECKS

    Use the checklist procedure on page 23, to verify part-load and full-load capacity operation of two-stage modulation compressors.

    IMPORTANT: This performance check is ONLY valid on systems that have clean indoor and outdoor coils, proper airflow over coils, and correct system refrigerant charge. All components in the system must be functioning proper to correctly perform compressor

    Tools Required

    Procedure

    NOTE − Block outdoor coil to maintain a minimum of 375 psig during testing).

    Homeowner Information

    In order to ensure peak performance, your system must be properly maintained. Clogged filters and blocked airflow prevent your unit from operating at its most efficient level.

    Air Filter

    Disposable Filter

    NOTE − If you are unsure about the filter required for your system, call your Lennox dealer for assistance.

    IMPORTANT: Turn off electrical power to the unit at the disconnect switch before performing any maintenance. The unit may have multiple power supplies.

    Reusable Filter

    NOTE − The filter and all access panels must be in place any time the unit is in operation.

    Electronic Air Cleaner

    Indoor Unit

    IMPORTANT:Sprinklers and soaker hoses should not be installed where they could cause prolonged exposure to the outdoor unit by treated water. Prolonged exposure of the unit to treated water (i.e., sprinkler systems, soakers, waste water, etc.) will corrod

    Outdoor Unit

    THERMOSTAT OPERATION

    Temperature Setting Levers

    Fan Switch

    System Switch

    Temperature Indicator

    PROGRAMMABLE THERMOSTATS

    Preservice Check

Source: Lennox

Please note that any procedure, checklist, or other document available in the MaintainX Procedure Hub is provided for general education and information only and does not constitute legal, medical, or financial advice. MaintainX makes the materials available AS IS and AS PROVIDED, without warranties of any kind. By downloading or using any such materials, you assume the risk that they may not be appropriate for your specific situation and agree that you are solely responsible for any such use, including compliance with applicable law and with meeting any conditions of product warranties.