Sealed System Repair Process

1. Recover

Before beginning any sealed system work on a Dual Evaporator unit make sure the 3 Way Valve is Centered:

Next, Make sure you have recovered all the refrigerant from the system:

2. Repair

1) Once refrigerant has been recovered, remove the defective parts that are being replaced.

2) Check system for contamination. (Inspect Drier Contents)

3) Flush and clean internal tubing.

4) Install new sealed system parts.

3. Leak Test

Now that you have installed the new parts, Perform a Leak Test: 

4. Vacuum

Next Step is to pull a proper vacuum on the system to make sure it is free from all air and moisture.

5. Recharge

Final step is to recharge the system with refrigerant.

Before Leaving the Home

Does the unit require a Software Update for the Compressor?

Double check and make sure….

* Compressor is plugged in and operating.

* All fans are plugged in and operating.

* 3-Way Valve is plugged in and operating.

* Sensors, heaters, or any other electrical parts that might have been unplugged are plugged in and working.

* Check for hidden error codes on the display after the unit has been plugged in for a few minutes. The most common way to do this is to hold (Freezer & Ice Plus) buttons for 3 seconds. If there are no error codes “88 88” will show on the display:

Sealed System Diagnostic Jig
Sealed System Service Jig Tool "Gold Block"
Sealed System Quick Connect Couplers

2 Responses

Leave a Reply

Your email address will not be published. Required fields are marked *