14.2 Back view ..................................15 14.3 Side view ..................................16 15 Specifications ..................................17 16 Ordering Data ..................................18 17 Service condition and repairs ............................18 17.1 Replace the mini-fuse ..............................18 GHIELMETTI AG – 7UW50 - Technische Dokumentation ROR/09.02.2021 Page 2 of 19...
We are convinced that your choice will prove to be a wise and worthy decision for many years to come. Your GHIELMETTI product has been tested for performance at the factory according to the specifications given for the system in this manual. However, before putting the device into operation we kindly ask you to read this manual and act according to the instructions given.
GHIELMETTI sales office. The contents of this instruction manual shall not be-come part nor modify any prior or existing agree-ment, commitment or relationship.
250VDC and feed an additional 5 VDC voltage for the LED function. The monitoring of the power supply is done by two relay contacts. Optional: A lockable acryl-glass-cover inhibits unauthorised access to the programming matrix. GHIELMETTI AG – 7UW50 - Technische Dokumentation ROR/09.02.2021 Page 5 of 19...
Control elements of the Tripping Matrix 10.1 Connecting and Diode plugs GHIELMETTI AG – 7UW50 - Technische Dokumentation ROR/09.02.2021 Page 7 of 19...
Caution : Do not draw-out or insert a plug under load! Each column can be made effective by inserting the assigned red master plug GHIELMETTI AG – 7UW50 - Technische Dokumentation ROR/09.02.2021 Page 11 of 19...
Stored indications on the front plate should be reset by pressing the push-button "RESET LED" on the front so that from then on only real faults are indicat-ed. GHIELMETTI AG – 7UW50 - Technische Dokumentation ROR/09.02.2021 Page 12 of 19...
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The green LED +15V on the front must be on. All terminal screws - even those not in use – must be tightened. The tripping matrix is now ready for operation. GHIELMETTI AG – 7UW50 - Technische Dokumentation ROR/09.02.2021 Page 13 of 19...
-25 °C to +55 °C Storage temperature: Construction Mechanical dimensions: W/H/D = 219.4 x 267.4 x 177.3mm approx. 4.7 kg Weight: Connectors Clamp-connectors: max. wire diameter 2.5 mm² GHIELMETTI AG – 7UW50 - Technische Dokumentation ROR/09.02.2021 Page 17 of 19...
EN 50081. Repair of the device is not recommended. If the device defect please send back to GHIELMETTI AG or contact us for support. 17.1 Replace the mini-fuse Select a replacement fuse 5 x 20 mm. Ensure that the rated value, time lag (medium slow) and code letters are correct.
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