Title: 330-Strømningsvakt.pdf
NOMINAL PIPE DIA. +44.5 mm (+1.75 in) FOR DN 50 – DN 65 2–2.5 in NOMINAL PIPE DIA. +54.0 mm (+2.125 in) FOR DN 80 – DN 200 3–8 inDWG. #1159-4Maintenance Inspect detectors monthly. If leaks are found, replace the detector. The VSR-EU waterflow switch should provide years of trouble-free service. The retard and switch assembly are easily field replaceable. In the unlikely event that either component does not perform properly, please order replacement retard switch assembly stock #1029020 (see Fig. 7). There is no maintenance required, only periodic testing and inspection.Removal of Waterflow Switch