Honeywell Genetron ST-20 user manual

Summary of the content on the page No. 1

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Honeywell Genetron ST-20 Flush
AC & Refrigeration Flush

Summary of the content on the page No. 2

Genetron ST-20 Flush for Refrigeration and Air Conditioning Systems With the phase-out of R11, common service prac- Genetron ST-20 Flush uses patented technology to tice has been to purge systems with nitrogen and provide excellent cleaning of refrigerant and A/C rely on filter driers to clean the system instead of systems in a very efficient and cost effective flushing. Unfortunately, filter driers have limited acid manner. A carefully selected boiling point assures removal capacity and recomme

Summary of the content on the page No. 3

Line Set Cleaning for Retrofitting Procedure When installing a new R410A air-conditioning system to replace an existing R22 system, it may be possible to use the existing line set. Consult the OEM’s installation manual and determine if the line sizing is correct and proceed as follows: 1. Before starting any work put on approved safety goggles and nitrile gloves and remember to work only in a properly ventilated area. 2. Recover the existing R22 charge; it is illegal to vent any refrigerant. 3.

Summary of the content on the page No. 4

System Repair and Cleanup Procedure 1. After a mechanical failure or hermetic motor burnout, use Genetron ST-20 Flush to remove contaminants by flushing interconnecting piping as per the directions for Line Set Cleaning. 2. Remember to disconnect all electrical connections to the system and obtain and use safety goggles and nitrile gloves. 4. Do not attempt to push ST-20 Flush through compressor bodies. 3. It will be necessary to cut the refrigeration or air conditioning system at several points