Compressor replacement & software updates

compressor replacement & software updates If the compressor was replaced always be sure and check to see if a Software Update is required. If the unit requires a Software Update there will be a service bulletin posted in GSFS. You can also use the below tables to see if your compressor requires a Software Update. […]

Sealed System Part Replacement

Sealed System Part Replacement How to Replace Compressor and Drier using a torch: How to Replace Compressor and Drier using Lokring: Lokring Sealed System Repair Video: For Lokring Part Numbers, Locations, and Information please click the button below: Lokring Information For Capillary Tube and Heat Exchanger Information please click the buttons below: Capillary Tube Replacement […]

Perform a Nitrogen Pressure Leak Test

Leak Test with Nitrogen See the setup to pressurize the whole system with 150 psi nitrogen and close off the manifold and hold to see if the pressure drops. It is important to perform a leak test after replacing sealed system parts to make sure you did not make a mistake or overlook a leak […]

Charging R134 Procedure

R134a charginG Charge the proper amount. Inspect the label on your unit and it will give you the type of refrigerant and the amount to charge to. Zero out the scales, charge the refrigerant.

Recovering R134 Procedure

Recovering R134a After you have determined you have a sealed system problem you will need to recover the refrigerant in the system first, and in the case of R134 you will need to recover it properly to a recovery tank.  The only time the valves should be open is if you are removing or adding […]

Recovering R600 Procedure

Recovering R600 Refrigerant REF – R600a 04 Discharge 1080 Recovering R600 refrigerant You will need a recovery bag (or appropriate  recovery tank). Below is a picture of the recovery bag attached. You will need a floor fan to keep any refrigerant away from the work area, (remember the R600 is heavier than air and will […]

Charging R600 Procedure

R600: Preparing the 90 Gram Can https://lgrepaircenter.com/wp-content/uploads/2024/02/Preparing-90gram-R600a-can-for-use.mp4 Charging Procedure R600 (If using charging station) Click here for charging station setup procedures (Gray and Black Box Kits) Vulkan LokRing Charging Station Kit for LG products: Included in the Kit are the following items: A – Digital Scale  B – Extraction Valve C – Non-Return Valve w/Hoses […]

Lok Ring Repair Procedure

LOKRING REPAIR PROCEDURE Lokring Part Numbers and Locations: LOKRING USAGE TIPS The LokRing process is designed to be a cleaner safer alternative to brazing or “sweating” in a refrigeration joint, especially when the refrigerant used is R600, the R600 refrigerant is flammable. With the LokRing process and tools you can repair the leak using these tools safely. The […]

Inspecting for Contamination Procedure

INSPECTING FOR CONTAMINATION Be sure to inspect components for contamination. Below are some examples of the sludge/powder that is often found inside the sealed system: Many times the above examples of contamination are caused by low side leaks. The low side is the suction side and will pull moisture into the system. When moisture mixes […]