GE Masoneilan 4700P, Maintenance Manual

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38 | = GE Oil & Gas
SIRA Approved Version
Installation must be in accordance with current applicable country codes and manufacturer’s in-
structions.
Maximum pressure 150 PSI.
Intrinsically
Safe Installation must be in accordance with current editions of applicable
country codes, Figure 15 on page 42, and manufacturer’s instruc-
tions. Housing protection rating IP 66.
WARNING
Do not open when energized. Do not open when an explosive gas
atmosphere is present. Use cables rated to
5 °C above ambient.
For flameproof (Ex d protection concept):
The marking of the equipment shall include the following:
Sira 02ATEX1274
II 2GD
Ex d IIC T6 Gb T
a
= -40 °C to +55 °C
Ex d IIC T5 Gb T
a
= -40 °C to +70 °C
Ex d IIC T4 Gb T
a
= -40 °C to +85 °C
Ex t IIIC T90 ° Db T
a
= -40 °C to +55 °C
For intrinsically safe (Ex ia protection concept):
Sira 02ATEX2277X
II 1GD
Ex ia IIC T4 Ga T
a
= -40 °C to +80 °C, P
i
= 1.1 W
Ex ia IIC T6 Ga T
a
= -40 °C to +55 °C, P
i
= 0.33 W