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iwan_seltech
29-06-2015, 02:20 AM
Hi guys,

We have 3 nos. York YAEP (China) on site, recently one of them won’t loading more than 50%, further investigation found that discharge pressure unload change itself to 260 Psi while the other two still at 360 Psi. This parameter should be Factory Set. The program itself won’t allow us to set the parameter as YEAJ model.
Can we change this parameter on site? And how? or should we replace the eprom?
Need help/advise from experience guys especially on this YAEP unit, thanks in advance.

iwan_seltech
01-07-2015, 08:45 AM
Settled, find something on "chillers password" from Chillerman2006.

Thanks