Etl Listed To Ansi/Isa-12.2.01-2015 Standards; Atex 2014/34/Eu Zone 2 Approval To En60079-0:2012; And En60079-15:2010 - Setra Systems 223 Operating Instructions Manual

3.3 ETL listed to ANSI/ISA-12.2.01-2015 standards

The current output unit may be installed in Class 1 Hazardous (Classified) Group A, B, C, D
Division 2 locations, if the unit was ordered N1 designation in the Part Number, 12
digits. Safety barriers are not required as long as the unit is operated under normal conditions
with a maximum excitation voltage of 30 VDC between the input terminals.
• WARNING: Explosion hazard. Do not remove or replace while the circuit is live unless
the area is free of ignitable concentrations
• WARNING: Please do not connect or disconnect while energized
• WARNING: Connectors must be either tool-secured or inside a tool accessed enclosure
• WARNING: The cable and wiring method shall comply with local electrical codes, E.G,
NEC for the US.
3.4 ATEX 2014/34/EU zone 2 approval to EN60079-0:2012 and EN60079-15:2010
Setra 225 pressure transmitter with N1 suffix is certified by Setra to operate in ATEX zone 2
areas with EX marking II 3G nA IICT4 Gc -30°C<Ta<+80°C. Safety barriers are not required as
long as the unit is operated under normal conditions with a maximum excitation voltage of
30 VDC between the input terminals. The following requirements must be met to maintain
compliance to listed standards.
• WARNING: Do not separate when energized
• WARNING: Do not open, maintain or service in an area where explosive atmosphere may
be present
• A minimum degree of IP54 protection shall be maintained in the hazardous location.
The zero/span plugs shall be installed securely at all times when the transducer is in
service. The mating connector provided by the end user shall be in accordance with all
applicable classes of EN60079-0 and EN60079-15.
• Connectors must be securely attached by tool before power is applied
• The shielded cable must be used and the drain wire of the cable must be connected to
the earth ground. The transducer body must be connected to earth ground.
• The maximum allowable transient disturbance must not exceed more than 40% of the
maximum excitation voltage
• No adjustment on zero or span potentiometer shall be made in the presence, or potential
for, hazardous atmosphere.
7
and 13
th th