EN
6. Special conditions for safe use (X conditions)
14147933.02 10/2018 EN/DE
WIKA operating instructions model T16
22
6.2
Approval FM
6.2.1
Models T16.x-AC, T16.x-AI
■
The transmitters shall be mounted in an enclosure in accordance with
ANSI/ISA 60079-11 suitable for the relevant installation area. The enclosure has to fulfil
at least IP20.
■
During the installation internal wiring, clearances, creepage distances and separations
have to be considered according to ANSI/ISA 60079-11.
6.2.2
Model T16.x-AN
■
The transmitters shall be mounted in an enclosure fulfilling at least IP54 in accordance
with ANSI/ISA 60079-0 and ANSI/ISA 60079-15.
■
During the installation clearances, creepage distances and separations have to be
considered according to ANSI/ISA 60079-15.
■
The equipment shall only be used in an area of at least pollution degree 2, as defined in
ANSI/ISA 61010-1 resp. IEC 60664-1.
■
Maximum overvoltage category II in accordance with ANSI/ISA 61010-1 resp.
IEC 60664-1 is permitted for the circuits.
6.2.3
Model T16.x-AE
■
The transmitters shall be mounted in an enclosure fulfilling at least IP54 in accordance
with ANSI/ISA 60079-0 and ANSI/ISA 60079-7.
■
During the installation clearances, creepage distances and separations have to be
considered according to ANSI/ISA 60079-7.
■
The equipment shall only be used in an area of at least pollution degree 2, as defined in
ANSI/ISA 61010-1 resp. IEC 60664-1.
■
Maximum overvoltage category II in accordance with ANSI/ISA 61010-1 resp.
IEC 60664-1 is permitted for the circuits.