cascade systems

[donrtc]

hie guys

need to have 1 compressor for 2 coldrooms operating at between 0 - 5 degree C.how do i design the control circuit and the connection of the 2 evaporators and the 2 condensors.also the back pressure, using R404a gas.

thanks

[Peter_1]

Cascade systems are extremely difficult, even for someone with a lot of experience.
Seeing your questions, you don't have experience so don't start with it before you understand the basics.
And why a cascade for -5°C, what will be your other gas you will use?

[Teach]

Why 2 condensers? More importantly why a cascade for a -5 system; too complex!

[Peter_1]

donrtc, see you left this thread without saying anything... not so polite