Thermo Scientific VT 6060 M-BL, Operating Instructions Manual

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50041981 J 15/45
3. UNIT SPECIFICATION
CONSTRUCTION
The oven essentially comprises a casing, an oven chamber with swing-out door and a switching
and control unit.
The vacuum-tight inner container constitutes the oven chamber. The heater is attached to the in-
ner chamber at the outer side circumferential.
The vacuum drying oven has been designed for operating temperatures up to 200 °C and a final
vacuum (according to the pump) of up to 0.01 mbar.
The thermal insulant provides good heat insulation and temperature - time parameters, ensuring
that heat emissions are within economic limits.
The inner chamber is sealed off by the door, which has a viewing window with integrated implosion
protection.
The operator control elements of the electrical and vacuum equipment have been combined in the
control panel on the control unit. The switchgear compartment is ventilated through the rear panel
of the oven, effectively preventing the ingress of the solvent vapors released during loading / un-
loading into the electrical system.
The oven is a plug-in unit and is equipped with a non-detachable power cable. Electric-shock
protection is provided by the PE terminal (protection class 1) on the mains side and by safety
extra-low voltage circuits (SELV-E) on the control side.
The laboratory drier is equipped with an interference suppression facility.
The temperature is regulated by an electronic temperature controller with a sensor breakage de-
tection facility, the temperature is recorded with a platinum temperature sensor (Pt 100). The
heat output is adjusted by the controller via power semiconductor devices.
An inert-gas connector has been provided for the "process gas" required for the heat treatment of
materials that contain or are coated with combustible solvents.
An inert-gas connector has also been provided for emergency inertization to enable the safe
handling of faults resulting from leaks.
SAFETY DEVICES
The oven has been equipped with the following safety devices:

shock current protection

protection of the surrounding area against potential fire hazards resulting from overheating

thermal protection of the loaded articles or materials under normal and exceptional conditions

protection against the effects of an implosion

protection against excess pressure when using inert gas

protection against potential explosion hazards when using combustible solvents

protection against potential explosion hazards in the event of a failure in the vacuum interlock

protection against potential explosion hazards caused by the ingress of solvent vapors into the
electrical system.