Buchi Recirculating Chiller F-125 Manual de usuario Pagina 13

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4 Description of function
13 F-125 Manual, Version B
4 Description of function
This section explains the basic working principle of the Recirculating Chiller. It also shows how the
instrument is structured and provides a general functional description of its assemblies.
4.1 Functional principle
The BUCHI Recirculating Chiller F-125 is a closed-circuit cooler for use with rotary evaporators. The
F-125 has a control unit and display built in to regulate and indicate the actual and set value of the
cooling temperature.
The Recirculating Chiller is designed for installation of a Rotavapor
®
R-151 / 152 / 153 / 220 / 220 SE on
top of the instrument.
The environmentally-friendly refrigerant R134 is used as the refrigerating medium.
Process overview F-125
3
2
1
4
5
6
7
1 Circulation pump
2 Heat exchanger container
3 Thermostatic expansion valve
4 Filter dryer
5 Heat exchanger
6 Compressor
7 In-line valve
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