Hazardous Area Installations - Siemens SITRANS L LU240 Compact Operating Instructions

1. Turn lid by hand in a counter-clockwise direction to remove it from device.
2. Strip cable jacket for approximately 70 mm (2.75") from end of cable, and thread wires
through gland.
3. Connect wires to terminals as shown below: polarity is identified on terminal block.
4. Tighten gland to form a good seal.
5. Press female end of cable from optional display onto male four-pin connector. See Remove
existing display (Page 44) for illustration.
6. Set optional display into enclosure. Buttons on display should sit over terminal block.
Gently turn display a quarter turn clockwise to secure the display in the enclosure.
7. Replace device lid. Thread onto enclosure, turning clockwise. Hand tighten.
6.3

Hazardous area installations

Improper power supply
Risk of explosion in hazardous areas as result of incorrect power supply.
● Connect the device in accordance with the specified power supply and signal circuits. The
SITRANS Probe LU240 with mA/HART
Compact Operating Instructions, 10/2018, A5E42673704-AB
WARNING
relevant specifications can be found in the certificates, in Technical data (Page 49) or on
the nameplate.
Connecting
6.3 Hazardous area installations
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