Installing The Hardware; Introduction - Fluidwell F Series Manual

Level monitor with high/low level alarms
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4.4.

INSTALLING THE HARDWARE

4.4.1.

INTRODUCTION

 Electro static discharge does inflict irreparable damage to electronics! Before installing
or opening the unit, the installer has to discharge himself by touching a well-grounded
object.
 This unit must be installed in accordance with the EMC guidelines (Electro Magnetic
Compatibility).
 Do ground the aluminum casing properly as indicated, if the F073-T has been supplied
with the 115-230V AC power-supply type PM. The green / yellow wire between the back-
casing and removable terminal-block may never be removed.
Fig. 8: Grounding aluminum enclosure with option PM 115-230V AC.
FOR INSTALLATION, PAY EMPHATIC ATTENTION TO:
Separate cable glands with effective IP67 (NEMA4X) seals for all wires.
Unused cable entries: ensure that you fit IP67 (NEMA4X) plugs to maintain rating.
A reliable ground connection for both the sensor, and if applicable, for the metal casing. (above)
An effective screened cable for the input signal, and grounding of it's screen to the "
or at the sensor itself, whichever is appropriate to the application.
HF073TEN_v0403_05 Atex_IECEx_CSA_FM
Page 21
" terminal

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F073-t

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