There are two solenoids behind the lower front panel (upper right) of the Leica CM1520 cryostat. One of the solenoids, I presume, is for the defrost circuit. Can anyone tell me what the second solenoid is for? Does anyone have a service manual or any service literature?
Wed Mar 31 2021
Leica CM1520 cryostat refrigeration
Fri Oct 15 2021Reply from Ross
I can answer my own question. One of the solenoids is hot gas defrost valve for the chamber evap coil (gilled evaporator), and the other solenoids is hot gas defrost valve for the quick freeze plate.
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