HRZ Easy Maintenance Circulating fluid automatic recovery function (Refer to “Options” on page 1343.) Circulating fluid inside a Thermo-chiller tank can be recovered automatically. (Recovery volume: 15 L to 17 L) �� Reduced maintenance time �� Faster operation �� Reduced circulating liquid loss by evapolation or spill Existing model Normal operation Fluid returns to the main tank from the circulating fluid recovery tank. Circulating fluid recovery 1 2 3 Option Customer’s machine Internal pump Circulating pump Heat exchanger Main tank N2 purge port Option N2 Customer’s machine Internal pump Circulating pump Heat exchanger Main tank N2 purge port Option Customer’s machine Internal pump Circulating pump Heat exchanger Main tank N2 purge port Circulating fluid electrical resistance ratio control function (Refer to “Options” on page 1342.) (DI control kit) Easy maintenance �� Checking the electrical component parts accessible from the front side only �� Possible to replace the maintenance parts (such as a pump) without removing the pipings and discharging the circulating fluid. �� Various alarm displays (Refer to page 1338.) All you have to do is to push the communication button for recovery and reset! 1316