product operating instruction
E.G.O. Germany (E.G.O. Elektro-Gerätebau GmbH)
document id.: 90.60145.653-001-02-A / state: 230 - released
designation: Thermostats 55.xxxxx.xxx / 56.xxxxx.xxx
2.3.9 Leaking substances
Filling medium can escape from leaked sensors or capillary tubes. The filling medium can mix with food
(e.g. deep fryer oil). As a result, people can suffer from adverse health effects.
Lay the sensor and capillary tube protected when used in the food industry.
With medium contact:
– Completely change the medium (e.g. deep fryer oil).
– Ensure by cleaning that there are no more residues of the filling medium.
The NaK filler for high temperature applications may cause chemical burns.
Wear protective gloves and safety glasses during installation and replacement.
Observe additional warning in the type drawing.
If the temperature is too high, toxic fumes can escape from plastic parts and screw locking varnish (e.g.
from hood and insulating hoses).
Never heat plastic parts above the following specified maximum temperatures:
– Teflon insulating hose: 260 °C
– Fiberglass: 230 °C
– OWF: 140 °C
– PVC: 105 °C
– Housing: according to type drawing
2.3.10 Unsuitable material pairings and aggressive substances
Unsuitable material pairings and aggressive media may cause corrosion. This may lead to malfunctions
or even destruction of the thermostat.
When selecting fastening parts for the sensor and capillary tube, note the electrochemical series of
the materials used. Use a suitable protective tube if necessary.
2.3.11 Overheating
Overheating may cause a fire. The following factors may lead to overheating:
Unsuitable plug and screw connectors, cable end sleeve, conductor material, conductor cross-
section
Insufficient contact points
Increased contact resistance at the plug connection
Exceeding the permissible switching power
When inserting the sleeves again, observe the manufacturer´s specifications.
Make sure that the switching capacities specified in the technical data are not exceeded.
Only use cables, receptacles and connection material in accordance with the IEC 61210 standard.
Establish connections properly.
Check the contact points in a type test for excessive overheating and initiate remedial measures if
necessary.
document id.: 90.60145.653-001-02-A / state: 230 - released
view date: 2023-05-22 12:49:50 / user: SCHLAGET
item id.: 55.32519.440-00/69A / SAP material state: 1A
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