Endress+Hauser Gammapilot FTG20 Safety Instructions
Safety Instructions
XA00617F-A
Safety instructions for electrical apparatus for explosion-hazardous areas
according to IEC standards
Gammapilot
FTG20
Ex d ia IIC T* Gb
Ex d [ia] IIC T* Gb
Ex tb ia IIIC T* Db
Ex tb [ia] IIIC T* Db
IECEx BVS 12.0080 X
XA00617F-A/00/EN/01.12
71204600
IECEx BVS 12.0080 X / XA00617F-A Gammapilot
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Gammapilot IECEx BVS 12.0080 X / XA00617F-A
english
Gammapilot
FTG20
Associated Documentation
Supplementary Documentation
Designation Explanation of the labelling and type of protection can be found in the explosion protection brochure.
This document is an integral part of the following Operating Instructions:
BA01035F/00
The Operating Instructions which are supplied and correspond to the device type apply.
Explosion-protection brochure:
CP021Z/00
Designation according to IECEx
Equipment protection level (EPL) Gb
Designation of explosion protection Ex d ia IIC T* Gb
Ex d [ia] IIC T* Gb
T* ä 6
Designation according to IECEx
Equipment protection level (EPL) Db
Designation of explosion protection Ex tb ia IIIC T* Db
Ex tb [ia] IIIC T* Db
Applied standards
T* ä 6
IEC 60079-0 :2011
IEC 60079-1 :2007
IEC 60079-11 :2012
IEC 60079-31 :2008
Endress+Hauser 3
IECEx BVS 12.0080 X / XA00617F-A Gammapilot
5
2
1
3
4
A
Safety instructions: General
Safety instructions: Special conditions
Safety instructions: Installation
• Comply with the installation and safety instructions in the Operating Instructions.
• Install the device according to the manufacturer's instructions and any other valid standards and regulations.
• Do not operate the device outside the specified electrical and thermal parameters.
• Changes in electrical and mechanical parts of the equipment could harm the type of explosion protection
and are not allowed for the user.
• To maintain the ingress protection of the housing, install the housing cover and cable glands correctly.
• Close unused entry glands with sealing plugs.
• Use a connecting cable for continuous duty temperature T Ta +20 K.
• After aligning (rotating) the housing, retighten the fixing screw (see Operating Instructions) (e.g. secure the
earth connection).
• Install the device to exclude impact and friction sparks on the aluminium housing (F13).
• Connect the sensor and transmitter to the common on-site potential equalization line.
• Connecting cable between sensor and transmitter:
– Do not install in the vicinity of processes generating strong electrostatic charges.
– Avoid electrostatic charging of the sensor cable (e.g. do not rub dry and install outside the filling flow).
– Do not leave cable hanging loosely when installed.
– If the connecting cable is removed from both the sensor and the transmitter, ensure that measures are
taken to avoid electrostatic discharge in a potentially explosive atmosphere.
FTG20_01
å 1
A Zone 1, Zone 21
FTG20 with electronic insert FEG24 (Relay)
1Sensor
2 Power supply
3 Transmitter (Ex d or Ex t)
4 Connection cable (Ex ia),
Cable designation: Lapp Ölflex Heat 180 EWKF or Helu Thermflex 180 EWKF-C
5 Potential equalization
FTG20 with electronic insert FEG25 (8/16 mA)
1Sensor
2 Associated intrinsically safe apparatus [Ex ia]
3 Transmitter (Ex ia)
4 Connection cable (Ex ia),
Cable designation: Lapp Ölflex Heat 180 EWKF or Helu Thermflex 180 EWKF-C
5 Potential equalization
Ingress protection of housing
• Transmitter, F13 housing (aluminium): IP66/67
• Transmitter, F27 housing (stainless steel): IP66/68
• Sensor (stainless steel): IP66/68
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