York YCAAB 150 CHILLER

[texanul]

I work on this chiller and i must access some 29 parameters hidden in the controller. I know there is a combination of buttons pushed toghether and access them but i don`t know how and i need a list of parameters and what meens ( antifreeze ,delays,calibration). Please help me .

[goshen]

hi what type of controller do you have?

[texanul]

hi what type of controller do you have?
I have the controlller with+ - in out 2 circiuts