Buchi F-305 - Materials; Safety Features; High Temperature Cut-Out; Fill Level Sensor

3 | Product description BÜCHI Labortechnik AG
18/42 Operation Manual Recirculating Chiller F-305 / F-308 / F-314
3.3.3 Materials
Component Material
Casing Stainless steel (1.4301), powder-coated
with polyester epoxy
Internal piping and condenser Copper
Foil Polyester
Circuit board Glass-fiber reinforced epoxy resin
Cable Polyvinyl chloride
Refrigerant R134a
3.4 Safety features
3.4.1 High temperature cut-out
The Recirculating Chiller is equipped with a high-temperature cut-out for the compres-
sor and the motor.
3.4.2 Fill level sensor
The F-308 and F-314 Recirculating Chiller are fitted with a fill level sensor. The fill
level sensor checks whether the Recirculating Chiller is filled with the minimum
amount of coolant. See also Chapter3.2.3 "Fill level indicator", page12.