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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

67 steps
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

Please note that any procedure, checklist, or other document available in the MaintainX Global Procedure Library 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.