To ensure that any air handling unit [AHU] installed is maintained, operates efficiently, and is in line with the current design requirement years after installation, they should be inspected, tested, and maintained at the following intervals:
There are 8 good reasons for maintaining them, and not having a straightforward, detailed, regular maintenance programme can significantly affect their operation, failures/wear/tear, and energy usage:
In the below article, we will go through a typical preventative maintenance regime for the air handling unit and some of its peripheral equipment.
If the building construction process is still ongoing or it is still within the defect’s liability period, then the responsibility for the maintenance will be the general/main contractor.
Where the building/systems are outside of the defects liability period, the maintenance of the unit will be completed by the building facilities manager/operator.
The following parts and components will be inspected under this work:
🔗 If you would like to understand more about air handling units check out our article 'AIR HANDLING UNITS | All we need to know', for more information.
The routine and timings for the checks will be broken into the following time frames/schedule:
⚠️ Note: Before any work takes place on the equipment, the following should be in place:
![AHU Preventative Maintenance Checklist [MS Word]](https://constructandcommission.com/wp-content/uploads/2023/01/117-PH-AHU-Preventitive-Maintenance-Sell-1.webp)
Air Handling Unit Inspection and Preventative Maintenance Checklist Template covering WEEKLY, MONTHLY, 3-Mths, 6-Mths, 12-Mths, 24-Mths & 36-mths, in [Microsoft Word] format allowing editing and clean exporting for you full use.
#CC: 117| Type | Task | |
|---|---|---|
| W-1 | Inspect | Unit - Observe and review the unit for any changes in operating conditions. |
If it is not, investigate as to why and reset if no reason provided.
| Type | Task | |
|---|---|---|
| 1M-1 | Inspect | Filters - Visually inspect filter for dust, debris, foreign objects, moisture, and smells taking note of any issues. |
| Type | Task | |
|---|---|---|
| 3M-1 | Inspect | Unit - Visually inspect the internal and external cleanliness of the unit. |
| Type | Task | |
|---|---|---|
| 6M-1 | Test | Filters - Measure the differential pressure across all filters within the unit with calibrated instrument, cross reference with the BMS. |
Adjust setting if difference noted.
| Type | Task | |
|---|---|---|
| 12M-1 | Inspect | Intake Louvre - Visually inspect for contamination, foreign objects, corrosion, and damage. |
Adjust setting if difference noted.
![19No. Site Equipment / Maintenance Checklists [MS Word] [MS Excel]](https://constructandcommission.com/wp-content/uploads/2023/05/000f-All-Checklist-Bundle.webp)
We have created this bundle to consolidate all the Equipment Pre-Commissioning and Maintenance Checklists that are available across the site.
The checklists are provided in Microsoft Word and Excel.
#CC: [000f]| Type | Task | |
|---|---|---|
| 24M-1 | Change | Filters - If not previously completed, change 2nd Level set |
| 24M-2 | Test | Fire Dampers - Fresh air, recirculating air & supply air, test the fire dampers to ensure operates as per design. |
| 24M-3 | Inspect | Hygiene - Check Air Handling Unit for hygienic cleanliness. |
| Type | Task | |
|---|---|---|
| 36M-1 | Inspect | Hygiene - Check Air Handling Unit for hygienic cleanliness. |
To help us expand the site and create more resources, we created the documentation below in [Microsoft Word] for download.
Click the ‘Buy It Here’ button to purchase the fully editable copy of the document below, which can be used immediately.
You will direct to our shop page.
If you would like to know more about the author, here is my Personal Linkedin Account
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