To pump down an AC unit, start the system in cooling mode, remove valve caps, and close the liquid (small) line service valve completely using a wrench. Monitor gauges, and when pressure drops to near zero, close the suction (large) valve and immediately shut off power to avoid damage. This traps refrigerant in the condenser Do not run the compressor too long in a vacuum (below 0 PSI), as this can damage the compressor. For heat pumps, ensure the system is in cooling mode to prevent the reversin
0:53
To pump down an AC unit, start the system in cooling mode, remove valve caps, and close the liquid (small) line service valve completely using a wrench. Monitor gauges, and when pressure drops to near zero, close the suction (large) valve and immediately shut off power to avoid damage. This traps refrigerant in the condenser Do not run the compressor too long in a vacuum (below 0 PSI), as this can damage the compressor. For heat pumps, ensure the system is in cooling mode to prevent the reversin
311 views7 months ago
FacebookDOM's HVAC & Refrigeration
how to change an AC service valve || Care skills academy
0:47
how to change an AC service valve || Care skills academy
4K viewsFeb 10, 2025
YouTubeCare Skills Academy
How to Replace or Repair an AC Brass Service Valve #dumpvalve #shutoffvalve #hvac #hvactools #shorts
0:43
How to Replace or Repair an AC Brass Service Valve #dumpvalve #shutoffvalve #hvac #hvactools #shorts
1.2K views10 months ago
YouTubeFixnSolve
THE NO LEAK AC VALVE TRICK
0:07
THE NO LEAK AC VALVE TRICK
121.6K views3 months ago
YouTubeGHOSTFACE WORKSHOP
how to do split ac service || how to service ac indoor unit
0:17
how to do split ac service || how to service ac indoor unit
1.5K views3 months ago
YouTubeElectrical Bilal
AC Refrigerant Release
0:04
AC Refrigerant Release
26.2K views4 months ago
YouTubeI WILL RISE STUDIO
How to Pump Down an AC Unit | HVAC Technician Time-Saving Tip
2:05
How to Pump Down an AC Unit | HVAC Technician Time-Saving Tip
986 views2 months ago
YouTubeINDOOR AIR QUALITY
0:26
AC Compressor Not Building Pressure? Complete Troubleshooting Guide
386 views2 months ago
YouTubeAc Service course _fridge course_washing machine
1:55
AC pump down || csa
1.7K views4 months ago
YouTubeCare Skills Academy
0:04
HVAC Service Valve Trick
2.4K views4 months ago
YouTubeGenius trick
0:39
Pump Down Procedure Step-by-Step 🔧❄️ HVAC Basics
380 views2 months ago
YouTubeINDOOR AIR QUALITY
2:27
Swaging Copper Tubing On Air Conditioner Service Ports!
46K views1 month ago
YouTubeAC Service Tech LLC
1:28
Car AC leaking Freon | Easy Fix Schrader Valve Replacement
9.9K views3 months ago
YouTubeSwamp Boys Garage
1:00
Ac outdoor valve change R32 Gas charge #acrepair #accircuits #electrical #airconditioner #acservice
707 views4 months ago
YouTubeShaheroz Sayyed
0:04
Secret HVAC Valve Trick
2K views4 months ago
YouTubeGenius trick
1:12
Releasing Valve Not Close, Clean Up Valve for 16 Bar Compressor Air Dryer Automatic Water Release
82 views2 months ago
YouTubeCNC Diagnosis, Functions & Tools
0:12
Fix Car AC Not Cooling! Compressor Control Valve Replacement 🚗❄️ #shorts #carrepair #mechanic #ac
11.4K views1 month ago
YouTubeFields Auto Repair
0:23
Lg Split AC Outdoor Unit Valve Change, AC Installation Bad Way #acinstallation #acrepair #lgac
19.4K views5 months ago
YouTubeMd Riyaz
0:14
ac valve leakage repair #shorts #ac #repair
1.2K views5 months ago
YouTubeFaizan Khan
2:48
Ford EcoSport AC Problem – Compressor Change வேண்டாம்! ₹50K செலவு Avoid பண்ணலாம் | Valve Fix ₹3.5K
26.3K views4 months ago
YouTubeCHENNAI CAR-TECH
0:29
Leak Check of Split AC #acmaintenance
1.6K views3 months ago
YouTubeTwo Steps
1:19
How to Change Outdoor EEV in Inverter AC | Step-by-Step EEV Replacement | AC Repair | EEV Check#1k
1.5K views3 months ago
YouTubeAvon Technical Institute Belthara Road @avonbltr
0:06
How to Connect Copper Pipes to a Mini-Split AC Condenser Unit #HVAC #AirConditioner #DIYInstallation
10.6K views2 months ago
YouTubeMachineWorks Studio
0:52
split ac foam cleaning || split ac service with foam cleaning a split ac unit
812 views5 months ago
YouTubeElectrical Bilal
0:25
Valve Nut: Open & Close Valves in Seconds
1.7M views4 months ago
TikTokthevalvenut
5:36
Wet Kitchen Renovation: Concrete Table Top & Full Cabinet Fit-Out
372.7K views4 months ago
TikTokmr.reno08
1:00
Car AC Evaporator Cleaning & Expansion Valve Service
47K views3 months ago
TikTokauto.doctor124
0:15
Understanding the Thermal Expansion Valve in Car AC Systems
166.4K views4 months ago
TikTokuser4941539718819
0:10
Compressor Not Pushing Enough Air — Quick Checks & Fixes
71.2K views5 months ago
TikTokdmoneyhinzman28
0:09
Professional Clutch Control Valve for Auto AC Compressors
138.9K viewsMar 23, 2025
TikTokyixiangacparts1
See more
Static thumbnail place holder