I have the following RTU units that I currently can't get to to open up. I am needing to know what's in their current configuration. Can anyone tell me what features are installed in the following Trane rooftop models? Thanks for any help.

YCD180B4L0CA - 15 ton
YCD180B4L0BA - 15 ton
YCD060C4LOBE - 5 5on
TCD090D400BB - 7.5 ton

Kevin