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AAON SB Series Vertical Self Contained Units Yearly Maintenance

The AAON SB Series Vertical Self Contained Units Yearly Maintenance is a standard procedure that checks the operation quality of the machines components. Be sure to follow the safety steps provided to avoid any accidents.
MaintainX
04/26/2021

AAON SB Series Vertical Self Contained Units Yearly Maintenance

The AAON SB Series Vertical Self Contained Units Yearly Maintenance is a standard procedure that checks the operation quality of the machines components. Be sure to follow the safety steps provided to avoid any accidents.

    At least once each year, a qualified service technician should check out the unit. Supply fans, evaporator coils and air filters should be inspected monthly.

    WARNING! Improper installation, adjustment, alteration, service or maintenance can cause property damage, personal injury or loss of life. Installation and service must be performed by a qualified installer. A copy of this IOM should be kept with the unit

    Periodically during operation, it is necessary to perform routine service checks on the performance of the unit.

    This includes checking of the

    DX Cooling

    Check :

    Condensate Drain Pans

    E-Coated Coil Cleaning

    WARNING! Electric shock hazard. Shut off all electrical power to the unit to avoid shock hazard or injury from rotating parts.

    CAUTION! High velocity water from a pressure washer or compressed air should only be used at a very low pressure to prevent fin and/or coil damages. The force of the water or air jet may bend the fin edges and increase airside pressure drop. Reduced unit

    CAUTION! Harsh chemicals, household bleach, or acid cleaners should not be used to clean outdoor or indoor e-coated coils. These cleaners can be very difficult to rinse out of the coil and can accelerate corrosion and attack the E-coating. If there is dir

    Recommended Coil Cleaner – Step 1

    GulfCoatTM Coil Cleaner, assuming it is used in accordance with the manufacturer's directions on the container for proper mixing and cleaning, has been approved for use on E-coated coils to remove

    Never use any cleaners that are not approved.

    Recommended Chloride Remover – Step 2

    Never use any chloride removers that are not approved.

    Warranty Protection – Step 1

    Complete the coil cleaning following these steps:

    NOTE: Coils should always be cleaned / back flushed, opposite of airflow to prevent impacting the dirt into the coil.

    Warranty Protection – Step 2

    Complete the coil chloride (salt) removal following these steps:

    Supply Fans

    CAUTION! Blower wheels must be inspected for excessive dust build up periodically and cleaned if required. Excessive dust build up on blower wheels may cause an unbalanced state; leading to vibration and/or component failure. Damages due to excessive dust

    WARNING! Electric shock hazard. Shut off all electrical power to the unit to avoid shock hazard or injury from rotating parts.

    Supply Fan Lubrication

    Recommended greases are:

    Phase and Brownout Protection Module

    DPM Setup Procedure

    Recommended Default Set-up

Source: Aaon

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