Thermo Scientific A 40B Manual page 8

Thermostats & refrigerated bath circulators
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Section 1 Safety
1-2
Other than water, before using any fluid, or when performing maintenance where
contact with the fluid is likely, refer to the manufacturer's MSDS and EC Safety
Data sheet for handling precautions.
Ensure the tubing you select will meet your maximum temperature and pressure
requirements.
Never operate damaged or leaking equipment.
Never operate the unit without fluid in the reservoir.
Never operate the unit or add fluid to the reservoir with panels removed.
Never operate the unit with the immersion circulator removed from the bath.
Do not mount the immersion circulator backwards on the bath; the line cord could
contact the reservoir fluid. Ensure the electrical cords do not come in contact with
any of the plumbing connections or tubing.
Operate the unit using only the supplied line cords, never operate equipment with
damaged cords.
Ensure all communication and electrical connections are made prior to starting
the unit.
If the unit's power cord is used as the disconnecting device, it must be easily
accessible at all times.
Always turn the unit off and disconnect the supply voltage from its power
source before moving the unit or before performing any service or maintenance
procedures.
Ensure, that no toxic gases can be generated by the fluid. Inflammable gases can
build up over the fluid during usage.
Transport the unit with care. Sudden jolts or drops can damage the unit's
components.
Ensure the fluid is at a safe temperature (20°C to 55°C) before handling or
draining.
Drain the unit before it is transported and/or stored in near or below freezing
temperatures, see Draining in Section 3.
Do not clean the unit with solvents, a soft cloth and water is normally sufficient.
Refer service and repairs to a qualified technician.
Performance of installation, operation, or maintenance procedures other than
those described in this manual may result in a hazardous situation and will void
the manufacturer's warranty.
Thermo Scientific

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