E.L.B. F-350 Operating Manual

Controller F-351 Digital/ proportional controller F-220 Pressure regulator Basic unit for system F-350 Remote unit F-411 Lockable bypass switch F-480 Switching amplifier F-417/418/419 Outlet valve F-250.30 External pressure sensor F-470 External temperature sensor F-460 Dirt / rain protection cap Options Ad ...

E.L.B. F-350 7.1 Technical Data of the Digital Controller F-220.2B This digital controller is used for enclosure sizes up to 2.000 L and for distances of over 5 m between the control system and the digital controller, and also whenever a separate EEx-e terminal box is required. It functions in the 2-position control mode (open / closed). Typ ...

E.L.B. F-350 The values which are currently set can be reviewed at any time by means of the „OK/INFO“ button. Press the button repeatedly, and the following information is shown in sequence: You can modify any parameter by means of the Wheel Shuttle. Turn the switch and the following requests appear on the display. You can enter the respecti ...

E.L.B. F-350 FRENCH by turning the Wheel Shuttle. Confirm the chosen language by pressing „OK“. The display gets back to the language request, but this time in the selected language. Turn the Wheel Shuttle clockwise or counterclockwise to continue the parametrization. 5.2 Ente ...

E.L.B. F-350 been exceeded. Internal enclosure pressure too high. Pressure increases e.g. through heat Readjust leakage air nozzle Check the limit value for “Switchpoint of Overpressure“ and enter new value MAX pressure has been exceeded. Air outlet opening (mechanical valve of the control unit) closed or clogged ...

E.L.B. F-350 In some countries, a third digit is used to describe the protection against mechanical impact: Third digit (as per NFC 20-010) Third digit (as per IEC529 – BS EN 60529;1991) Protection against 0 0 No protection 1 1 Impact < 0.225 J 2 2 Impact < 0,375 J 3 3 Impact ...

E.L.B. F-350 If it can be assumed that safe operation is no longer possible, switch off of unit and secure it against renewed switching-on. The fault conditions described here for the system can be remedied by appropriately qualified service personnel of the plant operator or by an external service company. If work is int ...

E.L.B. F-350 Before opening the enclosure, it is absolutely necessary to switch off the units located inside this enclosure and to secure them against powering-up. For the installation, maintenance and cleaning of the units, it is absolutely necessary to observe the applicable ordinances and provisions concerned with explosion protection (VDE 016 ...

The classification of units into user classes denotes the safety levels of the unit. The user classes 3 to 5 of the units which are relevant in this connection are defined as follows: – AK3 – the functional check of the unit is carried out when a button is pressed for 2 s. It is not necessary to remove the unit for ...

Before setting the units to work, read the technical documentation carefully. The latest version of the technical documentation or the corresponding technical supplements is valid in each case. The EEx-p Controller F-350 is built according to the state of the art and is reliable in operation. It must only be used for the intend ...

E.L.B. F-350 In conjunction with an enclosure with type of protection IP54 or higher, the EEx-p controller F-350 provides a pressurized apparatus that is in compliance with EN 50016. For this purpose, it has all the facilities and sensors needed to monitor the necessary purge phase and then to monitor and maintain an overpressure within the E ...

E.L.B. F-350 systems which have been approved for this purpose by E.L.B. Ex-Geräte Bachmann GmbH. 3.2 General Functional Description For details and technical functions, see 9.5 „Technical Functional Description“. After ...