In this HVAC Training Video, I Show how to Clean a Mini Split Ductless System, Including the Outdoor Unit Coil, the Indoor Unit Coil, Blower Wheel, Blower Housing, Louvers, and Shroud. I Show how to use a Mini Split Bib Kit, Coil Jet Cleaner, BBJ Can Cleaner, and Speedi-Foam to clean the Ductless Parts. I Explain Dilution Amounts and Methods. Supervision is needed by a licensed HVACR Tech while performing tasks as Experience and Apprenticeship garners Wisdom and Safety.

Tools Used In The Video

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-CJ-125 CoilJet Cleaner: https://www.trutechtools.com/SpeedClean-CJ-125-CoilJet-Coil-Cleaning-System?aff=8
-SpeedyFoam Coil Cleaning Chemical: https://www.trutechtools.com/SpeedClean-SpeedyFoam-Condenser-Coil-Cleaner-1-Gallon?aff=8
-Bubbler Nozzle: https://www.trutechtools.com/SpeedClean-CoilJet-Foaming-Nozzle-Assembly?aff=8
- Flexible Wand: https://www.trutechtools.com/SpeedClean-24-CoilJet-Flexible-Wand-Angled-Nozzle?aff=8
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Timestamps

0:00 - Intro on How to Clean Mini Split Coils
0:40 – Measuring Delta-T for a Mini Split
1:22 – SpeedClean CJ-125 Setup, Supplies Needed, Dilution of Chemical Coil Cleaner
3:33 Remove Outdoor Mini Split Grilles and Fan Blade, Clean the Outside
5:28 Apply Foaming Coil Cleaner to the Outdoor Unit
8:46 Rinse Off the Outdoor Coil Cleaner with Water
9:59 Clean the Grilles
10:22 Reassemble the Outdoor Unit
10:54 At the Indoor Wall Mounted Unit, Removing the Filters and Cover
12:20 Removing the Metal Grille and Louvers From the Wall Mounted Unit
13:09 Steps to Remove the Blower Wheel of the Wall Mounted Indoor Unit
15:05 Inspect the Underside of the Coil, the Frame, and the Coil Condensate Pan
15:15 SpeedClean CJ-125 Coil Cleaner Dilution Adjustment
16:13 Cleaning the Filters, Blower Wheel, Louvers, Shroud
17:50 Installing the Bib Kit at the Wall Mounted Unit
19:04 Using a BBJ Spray Bottle Cleaner on the Coil
20:07 Rinsing off the Cleaning Solution with Water
21:01 Using the Coil Jet Cleaner and Bubbler at the Indoor Coil for Cleaning and Rinsing
22:58 Cleaning a Very Dirty Coil and Blower Wheel Example
26:39 Reassembling and Testing the Indoor Wall Mounted Unit
31:20 Outro
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️ Disclaimer:
Information in this video is intended for educational purposes only. Any work related to the topics in this video should be performed by licensed technicians or by apprentices under the supervision of licensed technicians. AC Service Tech LLC is not responsible for any possible damages or injuries caused by the use or misuse of any information provided.
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