Honeywell Genetron ST-20- Manuals

With the phase-out of R11, common service prac-tice has been to purge systems with nitrogen andrely on filter driers to clean the system instead offlushing. Unfortunately, filter driers have limited acidremoval capacity and recommended proceduressuch as acid testing and additional filter changesare ...

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...

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