IFM PI2797 - Electrical Connection; 2-Wire Operation Connection

11
UK
1 Installation using an adapter with sealing ring (order no. E332xx / E333xx)
The adapters are supplied with EPDM O-ring (order no� E30054)� More sealing rings
are available as accessories: FKM O-ring (order no� E30123); PEEK sealing ring
(order no� E30124)�
Concerninginstallation→Installationinstructionsattachedtotheadapter.
2 Installation using an adapter with metal-to-metal seal
Order no� E337xx / E338xx
Concerninginstallation→Installationinstructionsattachedtotheadapter.
3 Installation using a welding adapter
•Order no� E30122
•Order no� E30130; adapter with leakage port
The adapters are supplied with EPDM O-ring (order no� E30054)� More sealing rings
are available as accessories: FKM O-ring, order no� E30123�
Concerninginstallation→Installationinstructionsattachedtotheadapter.
4 Installation to G 1 flange
The sealing ring on the sensor is used as process seal�
The upper sealing area on the process connection must be flush with the tapped hole
and have a surface characteristic of min� Rz 6�3�
► Grease the sensor thread with a suitable paste�
► Insert the unit into the process connection�
► Tighten it using a spanner� Tightening torque: 35 Nm�
6 Electrical connection
The unit must be connected by a qualified electrician�
The national and international regulations for the installation of electrical
equipment must be adhered to�
Voltage supply according to EN 50178, SELV, PELV�
► Disconnect power�
► Connect the unit as follows:
6.1 Connection for 2-wire operation
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