Brookfield Bath, Model TC-602 - Manual (Page 7)

6
Minimum fill
level
Circulating Bath Height Regulation — Position the ends of the pressure and suction tubes at the
desired maximum fluid level in the external bath and fill the bath to that level. Fill the Circulating bath
to a height one inch (25mm) below the top of the reservoir. Start the pump and adjust the restricting
valve/pinch clip on the pressure tubing until the liquid height in both baths remains constant. Add
fluid to the baths as needed to compensate for the fluid in the inlet and outlet lines.
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The maximum fill level for the Circulating bath is one inch
(25mm) below the top of the reservoir. A liquid level that fully
covers the heater coil, pump, over-temperature sensor, and at
least one inch (25mm) of the temperature sensor must be
maintained. For optimum cooling efficiency, the bath fluid level in
Refrigerating/Heating Circulators should be kept above the
cooling coils at all times.
Upon start-up, it may be necessary to add fluid to compensate
for the fluid required for external circulation. If the proper fluid
level is not maintained, the heater coil may become exposed and possibly damaged.
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When operating at low temperatures, atmospheric moisture tends to migrate into the reservoir and
condense. The 1/8 inch OD Reservoir Purge tube allows you to inject inert gas into the Circulating
Bath to prevent the build-up of condensation.
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