RSB
22-01-2010, 04:48 PM
I have problem with trane chiller CXAH225 the second machine giving me trouble,it sometimes stop and show error ''low ref ckt2'',i've change both TEV and put new filter.This error appear in heating mode when deicing ambient temperature below -5.It charged with 14kg and 22kg.Now put additional 4kg. to each one to try.I would like to know what superheat you set to condenser and evaporator.If anyone do this.