A quick tutorial of how to perform a decay test. Close off the core removal tool to isolate the system and watch for a rise in pressure. On a small system like this (9k btu) a few minutes should be good. On larger systems you'll want a longer decay. If the pressure spikes and doesn't flatten, it's most likely a leak, if its rises and flattens at 2000 microns for instance, you have some more evacuation to do. This set up had the system down below 500 microns in less than 5 minutes. Tools used in
1:30
A quick tutorial of how to perform a decay test. Close off the core rem…
41.4K viewsApr 3, 2024
FacebookHVAC Know It All
HVAC Vacuum is NOT a Leak Test
HVAC Vacuum is NOT a Leak Test
4.2K viewsDec 2, 2019
YouTubeTalyn875
Sonnax - What is Vacuum Testing? (Part 1 of 3)
Sonnax - What is Vacuum Testing? (Part 1 of 3)
15.7K viewsJan 8, 2015
YouTubeSonnax
How To Use AC Gauges
26:34
How To Use AC Gauges
1.5M viewsJul 26, 2020
YouTubeBenjamin Sahlstrom
Testing Furnace Pressure Switches
2:51
Testing Furnace Pressure Switches
22K viewsSep 18, 2019
YouTubeLennox Learning Solutions
HVAC Full Vacuum Procedure From Start to Finish!
15:09
HVAC Full Vacuum Procedure From Start to Finish!
828.8K viewsMay 30, 2018
YouTubeAC Service Tech LLC
HVAC Blower Fan Motor CAPACITOR Quick Testing!
2:09
HVAC Blower Fan Motor CAPACITOR Quick Testing!
88.9K viewsJul 28, 2021
YouTubeAC Service Tech LLC
11:49
Variable Air Volume - VAV system HVAC
554.5K viewsFeb 27, 2017
YouTubeThe Engineering Mindset
17:35
HVAC Tips to Avoid Vacuum Problems! Top 15!
233.9K viewsJun 17, 2018
YouTubeAC Service Tech LLC
3:02
HVAC Actuator Reset | ACDelco TechConnect
1.2M viewsSep 7, 2017
YouTubeGM Genuine Parts & ACDelco
3:24
HVAC Vacuum Procedure for a New Recovery Tank!
85.1K viewsAug 30, 2017
YouTubeAC Service Tech LLC
5:56
How To Find A Vacuum Leak - EricTheCarGuy
6M viewsAug 23, 2010
YouTubeEricTheCarGuy
7:28
HVAC Exam Prep #1 - Air Conditioning | TruePrep
105.3K viewsJul 5, 2020
YouTubeTruePrep
11:42
How to Check HVAC AC Compressor
592.7K viewsJul 28, 2018
YouTubeWord of Advice TV
27:35
How to Evacuate an AC system, Full Vacuum Procedure
1.4M viewsOct 1, 2019
YouTubeHVAC School
6:47
Ford EATC HVAC Self Test - Reset & Calibration
118.3K viewsJan 16, 2020
YouTubePANZER PLATFORM
7:43
A/c leak test using vacuum pump
15.5K viewsSep 22, 2020
YouTubeTwo eagles Garage
3:59
Testing a Properly Operating Vacuum Pump
34.9K viewsApr 4, 2014
YouTubeMACS Worldwide
7:22
How to Measure Total External Static Pressure (TESP)
93.8K viewsDec 16, 2020
YouTubeHVAC School
6:54
Vacuum Pumps Explained - Basic working principle HVAC
1.7M viewsOct 1, 2019
YouTubeThe Engineering Mindset
14:14
Explaining Superheat and Subcooling to Your Apprentice!
791.9K viewsMar 14, 2020
YouTubeAC Service Tech LLC
10:41
Saturated Refrigerant Temperature Basics, The P/T Chart, & Reading …
160.2K viewsAug 17, 2019
YouTubeAC Service Tech LLC
10:42
How To Find And Fix Vacuum Leaks Fast!
3.2M viewsOct 18, 2015
YouTubeRatchets And Wrenches
9:26
HVAC Temp Rise Formula used to Measure Airflow CFM!
59.4K viewsNov 23, 2019
YouTubeAC Service Tech LLC
4:07
Vacuum Check Valve Diagnosis / Replacement - Express Van
124K viewsJul 2, 2020
YouTubeVan with Tim
4:18
Micron Gauge on the Pump w/ NAVAC
19.2K viewsNov 17, 2018
YouTubeHVAC School
2:42
How to Check Your HVAC Circuit Breakers
174.2K viewsApr 15, 2016
YouTubeSierra LLC Air Conditioning & Plumbing
11:11
HVAC - Step by Step Pull Vacuum on HVAC system - DIY
101.4K viewsJul 16, 2019
YouTubeHowtoDoit
19:14
How to Vacuum Down and Recharge Your A/C System! - EASY
1.6M viewsAug 22, 2020
YouTube2CarPros
9:45
How to Line Isolation Test an AC System
43.9K viewsAug 19, 2021
YouTubeHVAC School
See more videos
Static thumbnail place holder