Diehl HYDRUS Installation Guide.pdf
Diehl Metering HYDRUS Installation Guide, DN 15 to 50 and DN 50 to 200. English. Installation positions, pipe preparation, flushing, gasket fitting and torque (max 30 Nm), pressure test above 0.3 bar and below 16 bar, medium temperature 0.1 to 90 °C, ambient temperature limits, venting at an angle of 45 degrees if complete venting is not possible, display loop 88 display test, 01 total volume, 02 battery lifetime, 03 firmware version and checksum, 04 current flow, 05 error and alarms, 07 high resolution total volume, 08 due date and due date volume, 09 reverse volume, 10 forward volume, faceplate description, pulse outputs open drain, cable pin assignment, radio specifications 434 MHz 10 mW e.r.p. and 868 MHz 25 mW e.r.p., sending interval every 14 to 256 seconds.