Electrical Installation; Bonding Of The Vito Interface - Honeywell Enraf VITO 762 Installation Manual

3

Electrical installation

The entire electrical installation shall be in accordance with the International Standard IEC
EC 60079-14 (Selection and Installation).
Make sure that all power to the associated instrument is switched off before opening the
Failure to do so may cause danger to persons or damage the equipment.
The cover must be closed before switching on power.
Make sure that no dangerous quantities of combustible products are present in the
3.1

Bonding of the VITO Interface

Proper bonding of the VITO Interface to the tank is required. Use the external ground
terminal on the VITO Interface enclosure (refer to figure 8).
Safety depends on proper bonding.
Check the resistance of the ground
connection directly after installation.
The measured ground resistance shall be
below the maximum prescribed by local
bonding requirements.
When measuring the resistance,
use a suitable explosion-proof tester.
Note:
Bonding shall be performed according
to local (explosion-proof) regulations.
cover of the 762 VITO Interface.
working area.
Caution
Warning
Installation guide 762 VITO interfaces & VITO probes
Warning
Caution
Electrical installation
Figure 8 Bonding of the
VITO Interface
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