WIKA TFS135 Operating Instructions Manual

30 WIKA Betriebsanleitung Typ TFS135 3. Sicherheit Fachpersonal Das Fachpersonal ist aufgrund seiner fachlichen Ausbildung, seiner Kenntnisse der Mess- und Regelungstechnik und seiner Erfahrun- gen sowie Kenntnis der landesspezifischen Vorschriften, geltenden Normen und Richtlinien in der Lage, die beschriebenen Arbeiten auszuführen und mögliche Gefahren selbstständig zu erkennen. Spezielle Einsatzbedingungen verlangen weiteres entsprechendes Wissen, z. B. über aggressive Medien. 3.6 Beschilderung, Sicherheitskennzeichnungen Typenschild (Beispiel)  Typ ...

8 WIKA operating instructions model TFS135 3. Safety They monitor the temperature of machinery and equipment during normal operation and, for example, switch off machinery if it overheats. The instruments are not approved for use in hazardous areas! The instrument has been designed and built solely for the intended use described here, and may only be used accordingly. The technical specifications contained in these operating instructions must be observed. Improper handling or operation of the bimetal temperature switch outside of its technical specifications req ...

14216392.02 11/2019 EN/DE/FR 5 2. Design and function 2. Design and function 2.1 Overview  Electrical connection  Process connection  Thermowell 2.2 Description The model TFS135 bimetal temperature switch consists of a thermowell with integrated switching element and a permanently mounted connector. In addition to a second switch contact, it is also possible to integrate a Pt1000 or Pt100 measuring element to enable continuous temperature measurement. The TFS135 is screwed directly into the process. All electrical components are protected ...

14216392.02 11/2019 EN/DE/FR 53 5. Mise en service, utilisation 5.1 Installation Lorsque le thermostat est monté, la température ne doit pas être inférieure ou supérieure à la température de fonctionnement autorisée (environnement, fluide), même si la convection et la dissipation de la chaleur sont prises en compte. Le site d'installation doit être protégé contre les influences des intempéries et contre l'exposition permanente aux UV et au rayonnement solaire. En fonction du type d'application, le raccordement électrique doit être protégé de ...

14 WIKA operating instructions model TFS135 5. Commissioning, operation ■ ■Only connect circuits with the same voltage and type of protection to the switch contacts and connecting cables. ■ ■Size the connecting cables for the largest current strength in the circuits. Voltages > AC 50 V or DC 75 V ■ ■The TFS135 must be connected to the system of the protective grounding of the end product or the end application via the process connection. ■ ■Circuits must offer a device, external to the measuring instrument, that enables the instrument to be isola ...