DUNGS VPS 50x - Valve Proving Systems for Multifunctional Controls

[{"filename":"vps-504_datasheet_en_219547.pdf","text":"Valve testing system\n VPS 504\n for multiple actuators\n 8.10\n\n\n\n\n Technical description Application\n The VPS 504 is the valve proving system Valve proving system for DUNGS single\n for DUNGS multiple actuators. The valve valves, DMV double solenoid valve and\n proving system complies with EN 1643: GasMultiBloc MB.\n - Equipment operates independent of The VPS 504 can also be used for monitor-\n residual pressure in the range of the ing the DUNGS solenoid valves up to DN\n permissible operating range. 80, with and without bypass connection.\n - Test volume ≤ 4 l 24 VDC design for gas motors.\n - Setting work not necessary on site Suitable for gases of gas families 1, 2,\n - Short test period: min. 10 s, max. 36 s 3 in the gaseous state and other neutral\n\n\n\n\n Printed in Germany • Edition 2024.05 • Nr. 219 547\n - Tightness or leaks are displayed by an gaseous media.\n LED\n - External fault display possible for series Approvals\n 02, series 04 and S05 EU type testing certificate as per:\n - Group fault alarm optional for S01 • EU-Gas Appliances Regulation\n (SSM) • EU-Pressure Equipment Directive\n - Electrical connection possible by plug con-\n nection S01, 02, 03. No rewiring is required Approvals in other important gas con-\n for contact allocation as per DIN 4791. suming countries. Special design for the\n - S04 and S05: electrical connection at North American market with UL and FM\n screw terminals via PG 13.5 cable entry registration.\n\n1 … 10\n\fVPS 504 Valve proving system for automatic shutoff valves as per EN 161, Class A and Class B\n The VPS 504 may be used with any other valve whose tightness in counter-flow direction\n excludes by construction a leakage in flow direction.\n The VPS 504 is suitable for all DUNGS valves according to EN 161 Classes A and B.\n\n\nSpecifications\n\nOperating pressure max. 500 mbar (50 kPa)\n\nTest volume ≥ 0.1 l\n ≤ 4.0 l\n\nPressure increase by motor pump ≈ 20 mbar\n\nNominal voltage, Frequency refer to type overview page 9\n\nRating requirement During pumping time approx. 60 VA, in operation 17 VA\n\nPrefuse (provided by customer) 10 A quick-acting or 6.3 A slow-acting fuse\n\nFuse installed in housing cover, Microfuse 6.3 slow-blow L 250 V; IEC-127-2/III (DIN 41 662)\nreplaceable\n\nSwitching current Operating output VPS 504 S01, 02, 03, 04, 05: max. 4 A\n Refer to motor startup current!\n Interference output VPS 504 S02, 04, 05:\t\t max.1A\n\nDegree of protection VPS 504 S01, 02, 03:\t\t IP 40\n VPS 504 S04, 05:\t\t IP 54\n\nAmbient temperature 50 Hz 230 VAC -15°C to +70°C\n others: \t\t -15°C to +60°C\n\nOperational attitude Suitable for use up to 2000 m above sea level\n Operating altitudes > 2000 m on request\n\nRelease tme Approx. 10 - 36 s, depending on test volume and input pressure\n\nSensitivity limit max. 50 l/h\n At inlet pressures of < 50 mbar, limit pressure rates well below 50 l of air per\n hour occur due to the mode of operation. This allows for applications involving\n low inlet pressures.\n\nSwitch-on duration of control 100 % ED\n\nMax. number of test cycles 20/h. Wait for at least 2 minutes after carrying out more than 3 consecutive\n test cycles.\n\nInstallation position vertical, horizontal, not upside down\n\nMedia\n• Standard model Gas families 1, 2, 3, sewage gas and biogas (dry, H2S < 0.1% by volume) and\n other gaseous media\n H₂ bis ≤ 20 %\n For gases with a butane content < 60 %\n\n• Flüssiggasausführung Gas family 3 for gases with a butane content > 60 %\n\n\n\n\n 2 … 10\n\f Functional description Function principle\n The VPS 504 operates depending on\n pressure build-up.\n The program module starts to function\n when heat is requested.\n Test is performed depending on the p\n max.\n = 500 mbar\n burner functional procedure:\n\n Check prior to burner start or\n A Program module V1 V2\n Check during pre-purge period or Instrument gland\n p1\n DMV-D(LE)\n p2\n Check after burner shut-down Connection\n pe A pa\n\n\n\n\n VPS 504\n p1 p2\n pe pa\n\n\n\n\n Release period tF\n Period which a VPS requires to per-\n p\n form a complete operation procedure. Release period e\n\n t F [s]\n The release period of the VPS 504\n depends on test volume and input pmax. = 500 mbar\n\n\n pressure: 36 V1 V2\n Field of application\n VTest < 1.5 l\n pe\n } t ≈ 10 s\n > 20 – 500 mbar F\n p1\n pe r Program modul\n p2\n pa\n ba\n 0 m ar\n 50 mb\n =\n p e 300\n VTest > 1.5 l\n } tF > 10 s\n =\n p e VPS 504\n\n pe > 20 mbar…