Datasheet Content
[{"filename":"vps-504_datasheet_us_226356.pdf","text":"Valve Proving System\n VPS 504\n Series S06 (120 VAC)\n Series S05 (24 VDC)\n\n\n\n\n VPS 504 S0x is:\n UL Listed\n • File # MH62766\n Sec 2 (S06), Sec 3 (S05)\n FM Approved\n • File # J.I. 3004006\n New York City Accepted\n • File # MEA 57-05-E (S06 only)\n\n VPS 504 S05 is:\n EC Type Certificate\n • CE-123CT1472\n\n Commonwealth of Massachusetts\n Approved Product\n • Approval code G1-1107-35\n • Valve Proving System\n\n Codes and Standards\n This product is intended for instal-\n lations covered by but not limited to\n NFPA 86, NFPA 85, Swiss Re (formerly\n IRI) or CSA B149.3.\n\n DUNGS is an ISO 9001\n manufacturing facility.\n\n Description - No field adjustments or settings re-\n The VPS 504 is a valve proving system quired.\n for DMV series automatic valves. It veri-\n fies that both safety shutoff valves in a Application\n gas train are fully closed before a system The VPS 504 is recommended for\n start-up or after system shutdown when industrial and commercial heating ap-\n wired and interlocked to a suitable flame plications. Some authorities having\n safeguard control. The VPS will halt the jurisdiction accept the VPS in lieu of\n start-up sequence to a burner if it detects “proof of closure” when integrated with\n an open automatic shutoff valve, thus the preignition system and/or in lieu of\n\n\n\n\n VPS Sales Brochure • P/N 226356 • Ed. 07/25\n preventing ignition under potentially a vent valve. It can also be used as a\n dangerous conditions. valve seat tightness check when used\n - Release Signal Timing: min.10 s, within its capabilities.\n max. 36 s.\n - Maximum test volume 0.14 ft³ The VPS is suitable for dry natural gas,\n - “RUN” or “ALARM” condition is indi- propane, air, and inert gases. NOT\n cated by an LED. suitable for butane or any gas mixture\n - Electrical connection at screw termi- containing 60 % or more of butane.\n nals via 1/2“ NPT conduit connection. A “dry” gas has a dew point lower than\n - Detectable leakage rate (each valve): +15 °F and its relative humidity is less\n1…6 0.2 to 1.4 ft³/h. See graph on page 2. than 60 %.\n\fVPS 504 S06 and S05 Valve proving system for e.g. DMV/MBE series safety shutoff valves\n\nSpecifications\nMax. operating pressure 7 PSI (500 mbar)\nMax body pressure 15 PSI (1000 mbar)\nElectrical ratings (+10 % / -15 %) 110 - 120 VAC @ 60 Hz for S06 series or 24 VDC for S05 series\nSwitch output rating Series S06 is Run T5: 4 A res, 2 FLA @ 120 VAC & Alarm T3: 1 A res, 0.5 FLA @\n 120 VAC. S05 is Run TB: 4 A @ 24 VDC & Alarm TS: 1 A @ 24 VDC.\nPower ratings (consumption) Test period: 60 VA\n In operation: 17 VA\nEnclosure rating NEMA Type 12\nElectrical connection Screw terminals with 1/2“ NPT conduit connection\nOperating time 100% duty cycle, max. 20 test cycles/h\nMax. number of test cycles 20/h. Wait for at least 2 minutes after carrying out more than 3 consecutive test\n cycles.\nAmbient operating temperature +5 °F to +140 °F (-15 °C to +60 °C)\nMaterials in contact with gas Housing: Aluminium\n Rubber components: NBR-based rubber\nMounting position Mounts directly to e.g. MBE via mounting screws (included with VPS)\n upright vertical to horizontal\nTest volume max 0.14 ft3 / min. 0.004 ft3\nRelease Signal Timing ~ 10 s for test volume < 0.05 ft3\n > 10 s (max. 36 s) for test volume > 0.05 ft3\nDetectable leakage rate (each valve) < 1.76 ft3/hr (Air)\nDetectable leakage through both valves 0.2 to 1.0 ft3/h (the 1.0 ft3/h represents the worst case scenario, which occurs\n(dectectable leakage to the burner) only if the inlet pressure is 7 PSI and each valve leaks 0.88 ft3/h).\n\nLeak detection limit\n\n\n\n VPS 504 Series\n Natural gas; test volume no greater than 0.14 ft³\n\n\n\n\n Detection Limit [CFH] +/- 20 %\n Maximum Limit\n\n Minimum Limit\n\n\n\n\n Inlet Pressure [in. W.C.]\n\n\n Leak detection limit depends\n on inlet pressure and gas\n density.\n\n To obtain approx. detectable leak-\n age through both valves, divide\n value in chart by 1.6\n 2…6\n\f VPS 504 sectional diagram\n\n\n\n\n 1 Hall Sensor 8 Pressure pump 15 Pump linkage\n 2 Solenoid 9 Reset switch 16 PWB\n 3 Pressure switch diaphragm 10 Alarm lamp 17 Terminal block\n 4 Compression spring 11 Run lamp\n 5 Filter 12 Inlet test nipple (p1)\n 6 Safety valve anchor (V3) 13 Outlet test nipple (p2)\n 7 Safety valve coil 14 Pump diaphragm\n\n\n Functional description\n The VPS proves the integrity and the\n effective closure of the valve seats by\n pumping gas from upstream of the main\n safety valve to the volume between the\n two safety shutoff valves and detecting pmax. = 7 PSI\n leakage. The VPS proves the valves as (500 mbar)\n soon as power is applied.\n Program module\n Test nipple\n Connection\n G 1/8 tap\n\n\n\n\n3…6\n\fRelease period tF\nTime from the beginning of the test cycle\nuntil the “RUN” T5 contact is energized.\nThe release period of the VPS depends Release\non test volume and input pressure: period\n tF [s]\nVTest < 0.05 ft3\np1\n } t ≈ 10 s\n > 8 - 200 in. W.C. F 36\n Field of application\nVTest > 0.05 ft 3\n\np1\n } t >10 s\n > 8 - 200 in. W.C. F\n\ntF max. ≈ 36 s\n\nTest period is the pumping time of\nmotor pump.\n\nTest volume VTest\nVolume between V1 and V2 Release period\n about 10 s\nVTest max. / VPS 504 = 0.14 ft3 at test volume\n ≤ 0.05 ft3\n\n Test volume\n VTes [ft3]\n\n\n\nProgram Sequence Idle state: Valves 1 and 2 are closed. In the case of short-term voltage failure\n during test or burner operation, an au-\n Valve proving: The internal…
