Dresser Masoneilan SVI II AP-2, Quick Start Manual

Page: 50 / 57

ES-699 Rev F
Page 4 of 10
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*.+43
°
C
T5 : Ta = -40
°
C*.+55
°
C
T4 : Ta = -40
°
C*.+83
°
C
5.3 Description of Intrinsically Safe Marking
The label may not appear exactly as shown.
Supply Connection Wiring Must be Rated for 85
º
C
Masoneilan/DRESSER
AVON MA USA
0518
MODEL: SVI2-abcdefgh SN
–
nnywwnnnn
30 Volts, 4-20 mA, 150 PSI Operating Temp
–
40 to +85
º
C
Type 4X
–
IP 66 T6 Ta=60
º
C, T5 Ta=75
º
C T4 Ta=85
º
C
ZELM 05ATEX0280X
©
CL I; DIV 1; GP A,B,C,D
CL II; DIV 1; GP E,F,G
CL I; DIV 2; GP A,B,C,D
CL II, DIV 2; GP F,G
Supply Connection Wiring Rated for 5
º
C Above Ambient
Intrinsically Safe Installed per ES-699
Ex ia
II 3 G
EEx nL IIC T6
Name and address of
manufacturer
EU Community
Compliance Mark
Requirement to use
high temperature rated
wiring.
Voltage, current and
pressure operating limits.
Operating
temp
limits
Serial
number
Surface
temperature
ignition codes
for gas
ATEX Logo
Number of Certified Body
Enclosure
Type
Model Designation
Factory Mutual and
CSA Logos
Types of
protection and
group designations
Requirement to follow
certified installation
drawing
Bar
Code
II 2 G, II 1 G
EEx ia IIC T6
T96 C
Maximum Surface Temperature
for Dust at Ta=85
°
C
Certificate Number
Category, types of
protection and gas
group designations
II 1D, II 2D, II 3D T96
°
C
Masoneilan Dresser SVI II AP Quick Start Guide
A-10