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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