Baker Hughes Masoneilan SVI II AP, Quick Start Manual

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80 | = BHGE
ES-699 Rev AD
Page 4 of 13
4.5 Electrostatic Discharge
"X" Marking on label - Potential Electrostatic Charge Hazard – For safe operation
use only wet cloth when cleaning or wiping device, and only when local conditions
around the device are free of potentially explosive atmospheres. Do not use dry
cloth. Do not use solvent.
4.6 Dust
"X" Marking on label - Instruments installed in dusty hazardous areas, Zones 20,
21 and 22; must be cleaned regularly to prevent the buildup of dust layers on any
surface. To avoid the risk from electrostatic discharge, you must follow the guidance
as detailed in EN TR50404. For safe operation, use only wet cloth when cleaning or
wiping the device. Cleaning must only be done when local conditions around the
device are free of potentially explosive atmospheres. Do not use dry cloth or any
solvents.
5 INTRINSICALLY SAFE REQUIREMENTS
5.1 Div 2
WARNING: EXPLOSION HAZARD – DO NOT DISCONNECT EQUIPMENT
UNLESS POWER HAS BEEN SWITCHED OFF OR THE AREA IS KNOW TO BE
NON-HAZARDOUS.
5.2 Category II 1 (Zone 0)
For operation in hazardous area category II 1, over-voltage protection of the
electrical connections need to be installed according to EN 60079-14
For operation in hazardous area category II 1 the ambient
temperature needs to be lowered according to the requirements of EN 1127-1
(reduction factor of 80%). The max. allowed ambient temperature for category 1
inclusive the requirement of EN1127-1 is:
T6 : Ta = -40°C to +43°C
T5 : Ta = -40°C to +55°C
T4 : Ta = -40°C to +83°C
5.3 Category II 1 (Zone 0)
“X” Mark
ing on label - Since the SVI2- abcdefgh (“SVI - II AP”) contains greater than
10% aluminum; care must be taken during installation to avoid impacts or friction
that could create an ignition source.
5.4 Category II 1 (Zone 2)
When installing in Category 3 (Zone 2) areas using ‘ic’ protection, ‘ic’ safety barriers
are required.