Safety Instructions: General; Safety Instructions: Special Conditions; Safety Instructions: Installation - Endress+Hauser Levelflex FMP50 Safety Instructions

Levelflex FMP50/51/52/53/54/55/56/57
Safety instructions:
General
Safety instructions:
Special conditions
Safety instructions:
Installation
6
• Staff must meet the following conditions for mounting, electrical installation, commissioning and
maintenance of the device:
- Be suitably qualified for their role and the tasks they perform
- Be trained in explosion protection
- Be familiar with national regulations
• For installation, use and maintenance of the device, users must also observe the requirements stated in the
Operating Instructions and the standards:
- GB50257-1996: "Code for construction and acceptance of electric device for explosion atmospheres and
fire hazard electrical equipment installation engineering".
- GB3836.13-1997: "Electrical apparatus for explosive gas atmospheres, Part 13: Repair and overhaul for
apparatus used in explosive gas atmospheres".
- GB3836.15-2000: "Electrical apparatus for explosive gas atmospheres, Part 15: Electrical installations in
hazardous area (other than mines)".
- GB3836.16-2006: "Electrical apparatus for explosive gas atmospheres, Part 16: Inspection and
maintenance of electrical installation (other than mines)".
• Install the device according to the manufacturer's instructions and national regulations.
• Do not operate the device outside the specified electrical, thermal and mechanical parameters.
• Only use the device in media to which the wetted materials have sufficient durability.
• Refer to the temperature tables for the relationship between the permitted ambient temperature for the
sensor and/or transmitter, depending on the range of application, and the temperature class.
• Modifications to the device can affect the explosion protection and must be carried out by staff authorized
to perform such work by Endress+Hauser.
• When replacing the probe electronics or opening the connection between the remote cable and the probe,
a jumper plug must be used or a short-circuit must be established between the probe contact and the
potential equalization conductor to avoid electrostatically charging the probe.
Permitted ambient temperature range at the electronics housing: –40 °C ≤ T
Observe the information in the temperature tables.
Basic specification, Position 5 (Housing) = C
• In Zone 0, avoid sparks caused by impact and friction.
Basic specification, Position 5 (Housing) = A
• Avoid electrostatic charging of the housing (e.g. friction, cleaning, maintenance, strong medium flow).
Device type FMP52, FMP55
• A probe coated with non-conductive material can be used if avoiding electrostatic charging of the probe
(e.g. through friction, cleaning, maintenance, strong medium flow).
A
2
1
å 1
A Zone 0, Zone 1
1 Tank; Zone 0, Zone 1
2 Electronic insert
3 Certified associated apparatus
4 Potential equalization line
5 Potential equalization
–
+
XA00634F-A
≤ +80 °C.
a
3
4
4
5
XA00634Fxx01
Endress+Hauser