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07 Elster GmbH Edition 07.7 Translation from the German 000 D F L I E DK S P GR TR CZ PL RUS H www.docuthek.com Operating instructions Solenoid valve for gas VS Double solenoid valve VCS Cert. version 0.4 Contents Solenoid valve for gas VS Double solenoid valve VCS... Contents... Safety.... Checking the usage... Installation... Wiring...4 Tightness test... Commissioning.... Setting the flow rate... Setting the start gas rate on VS..L, VCS..L... Replacing the solenoid actuator, replacing the actuator cartridge... Replacing the damping unit... Replacing the circuit board.... Maintenance... ccessories...7 Pressure test points... 7 Pressure switch for gas DG..VC.... 7 Tightness control TC V... 7 Measuring adapter.... Relief line adapter.... Bypass adapter... Replacing the adapter plate... Bypass/pilot gas valve... dapter for length compensation...0 Technical data... Logistics... Certification... Contact...4 Safety Please read and keep in a safe place Please read through these instructions carefully before installing or operating. Following the installation, pass the instructions on to the operator. This unit must be installed and commissioned in accordance with the regulations and standards in force. These instructions can also be found at www.docuthek.com. Explanation of symbols,,,... = ction = Instruction Liability We will not be held liable for damage resulting from non-observance of the instructions and non-compliant use. Safety instructions Information that is relevant for safety is indicated in the instructions as follows: DGER Indicates potentially fatal situations. WRIG Indicates possible danger to life and limb. CUTIO Indicates possible material damage. ll interventions may only be carried out by qualified gas technicians. Electrical interventions may only be carried out by qualified electricians. Conversion, spare parts ll technical changes are prohibited. Only use OEM spare parts. Changes to edition 04. The following chapters have been changed: Certification -

Checking the usage Intended use Gas solenoid valves VS for safeguarding gas or air on various appliances. Double solenoid valves VCS are combinations of two gas solenoid valves. This function is only guaranteed when used within the specified limits see page (Technical data). ny other use is considered as non-compliant. Type code Code Description VS VCS Gas solenoid valve Double solenoid valve Sizes T T-product Inlet and outlet flange nominal size F Flange to ISO 700 SI flange 0 Inlet pressure max 00 mbar (7 psig) st valve: L quick opening, quick closing slow opening, quick closing L W Q K S G nd valve: quick opening, quick closing slow opening, quick closing Mains voltage: 0 V C, 0/0 Hz 0 V C, 0/0 Hz 4 V DC 0 0 V C, 0/0 Hz With visual position indicator and proof of closure switch and proof of closure switch for 4 V Viewing side (in flow direction): R from the right L from the left Electrical connection via cable gland B Basic E Prepared for adapter plates /P /M P M P M P M ccessories, right, inlet: screw plug pressure test point ccessories, right, interspace : screw plug pressure test point ccessories, right, interspace : screw plug pressure test point ccessories, right, outlet: screw plug pressure test point The same accessories can be selected for the left- or right-hand side Part designations VS Solenoid actuator Flow body Connection box 4 Connection flange Proof of closure switch 4 VCS Mains voltage, electrical power consumption, ambient temperature, enclosure, inlet pressure and installation position: see type label. www.kromschroeder.com Osnabrück, Germany Vxx.XXXX -

Installation CUTIO Please observe the following to ensure that the gas solenoid valve is not damaged during installation and operation: Important! The gas must be dry in all conditions and must not contain condensate. Sealing material and dirt, e.g. thread cuttings, must not be allowed to get into the valve housing. filter must be installed upstream of every system. Do not store or install the unit in the open air. Do not clamp the unit in a vice. Only secure the flange by holding the octagon with a suitable spanner. Risk of external leakage. Solenoid valves with overtravel switch and visual position indicator VS/VCS..S or VS/VCS..G: actuator cannot be rotated. Cleaning work on the solenoid actuator may not be performed using high pressure and/or chemical cleaning agents. This can cause moisture to get into the solenoid actuator and may lead to a dangerous failure. Installation position: black solenoid actuator in the vertical upright position or tilted up to the horizontal, not upside down. In humid environments: black solenoid actuator in the vertical upright position only. Depending on the device type, the inlet pressure, the interspace pressure and the outlet pressure can be measured using pressure test points, see page 7 (Pressure ptest points). u p u Remove the adhesive label or screw cap from the inlet and outlet flange. ote direction of flow. Insert flat seal. The housing must not be in contact with masonry. Minimum clearance 0 mm (0.7"). Ensure that there is sufficient space for installation and adjustment. -

Wiring WRIG The solenoid actuator heats uuring operation. Surface temperature approx. C (approx. F). Plug 4 V DC: the valve does not open when the connections (+ and -) are reversed. When replacing VG..K by VS..K/VCS..K, the plug must be rewired. LV (+) = black, LV (+) = brown, ( ) = blue 4 Use temperature-resistant cable (> 0 C). Disconnect the system from the electrical power supply. Shut off the gas supply. Wiring to E 004-. UL requirements for the FT market. To maintain the UL environmental rating Type, the enclosure openings shall be closed with fittings rated UL Type ; ; R; RX; S; SX; X; 4X; ; ; P; ; K or. Gas solenoid valves shall be protected by a branch circuit protective device not exceeding. LV LV LV LV LV M0 cable gland 4 Socket = ( ), = LV (+), = LV (+) 4 7 7 LV LV LV LV LV -4

Proof of closure switch VS/VCS open: contacts and closed, VS/VCS closed: contacts and closed. Indicator of proof of closure switch: red = VS/VCS closed, white = VS/VCS open. CUTIO Please observe the following to ensure smooth operation: The proof of closure switch is not suitable for frequent cycling operation. Route valve and proof of closure switch cables separately through M0 cable glands or use two separate plugs. Otherwise, there is a risk of interference between valve voltage and proof of closure switch voltage. Valve: LV (+) = black, LV (+) = brown, ( ) = blue Proof of closure switch: = COM (black), = O (red), = C (brown or white) COM O C COM O C COM O C COM O C LV LV LV COM O O C COM COM O C LV LV LV C LV COM O C LV LV LV Valve: = ( ), = LV (+) Proof of closure switch: = COM, = O, = C Finishing the wiring Tightness test COM O C Close the gas solenoid valve. To be able to check the tightness, shut off the downstream pipeline close to the valve. 0 4 LV COM O Double solenoid valve: LVif a COM plug O Cwith LV LV socket LV is fitted, only one proof of closure switch can Cbe connected. COM O C LV LV COM O C LV O C COM LV LV, max 0 7 0 Open the solenoid valve., max When installing two plugs on a VS with proof of closure switch: label the sockets and plugs to avoid confusion. Tightness OK: open the pipeline. Pipeline leaking: replace flat seal on flange. Then check for tightness once again. Unit leaking: remove the unit and return it to the manufacturer. COM O -

+ + Commissioning Setting the flow rate t the factory, the gas solenoid valve is adjusted for maximum flow rate Q. llen key: mm. Q [%] 00 - + max. min. 0 min. max. U Turns U min. max. VS, VCS 0 VS 7, VCS 7. VS, VCS Screw the cap back on tight in order to prevent the actuator from being rotated. Setting the start gas rate on VS..L, VCS..L The start gas rate can be set by turning the damping unit a maximum of turns. There must be a period of 0 seconds between switching the valve off and on again so that the damping is fully effective. Use a mm llen key. Undo the screw at the V. Start mark by approx. mm, but do not unscrew completely. - + Maintenance CUTIO In order to ensure smooth operation, check the tightness and function of the unit: Once per year, twice per year in the case of biogas; check for internal and external tightness, see page (Tightness test). Check electrical installations once a year in line with local regulations; pay particular attention to the PE wire, see page 4 (Wiring). If the flow rate has dropped, clean the strainer. Disconnect the system from the electrical power supply. Shut off the gas supply. 4 4 7 7 We recommend replacing the flat seals. V + V max. x 0 V Replacing the solenoid actuator, replacing the actuator cartridge See operating instructions enclosed with spare part or see www.docuthek.com. 0 Once the flat seals have been replaced, install the unit in the pipeline. Then check the unit for internal and external tightness, see page (Tightness test). Replacing the damping unit See operating instructions enclosed with spare part or see www.docuthek.com. Replacing the circuit board See operating instructions enclosed with spare part or see www.docuthek.com. -

ccessories Pressure test points Test points to check the inlet pressure, interspace pressure and outlet pressure. p d pz djusting range (adjusting tolerance = ± % of the scale value) Mean switching differential at min. and max. setting [mbar] ["WC] [mbar] ["WC] DG 7VC 7 0.. 0.7.7 0. 0. DG 40VC 40 0.4 DG 0VC 0 0 44 0.. DG 00VC 00 00 40 0.4 Deviation from the switching point during testing pursuant to E 4 Gas pressure switches: ± %. Tightness control TC V For testing two valves for tightness, the following attachment positions are possible for TC V. Scope of delivery x test points with x profiled sealing rings, Order o. 740 Pressure switch for gas DG..VC The pressure switch for gas monitors the inlet pressure, the outlet pressure and the interspace pressure. p p u u When retrofitting the tightness control, see enclosed operating instructions Tightness control TC, TC, TC, section entitled Mounting TC V to valvario controls. n adapter plate is required to attach the tightness control to the valve: Scope of delivery 44 (.7") (.4") TC V When retrofitting the pressure switch for gas, see enclosed operating instructions Pressure switches for gas DG..C, section entitled Mounting the DG..C.. on valvario gas solenoid valves. The switching point is adjustable via hand wheel. B (0.") C x adapter plate B x O-rings C x retaining screws Order o. 74-7

ew tightness control available as of the third quarter of 0. See www.docuthek.com, Elster Thermal Solutions Products 0 Valves and butterfly valves Tightness controls TC. Measuring adapter For the connection of the pressure switch DG..C, with a screw plug or pressure test point. Scope of delivery B D C Scope of delivery C x seal B x flange C 4 x set screws M D x screw plug with sealing ring Order o. 740 for Rp, VS/VCS, Order o. 7404 for ½ PT, VS..T/ VCS..T. Disconnect the system from the electrical power supply. Shut off the gas supply. 4 p B D d x seal p B x measuring plate d C 4 x set screws M D x screw plugs with sealing rings Order o. 740 for VS/VCS, Order o. 740 for VS..T/VCS..T. Relief line adapter For the connection of a relief line (½ PT, Rp ), with a screw plug or pressure test point. 7 Shut off the downstream gas pipeline close to the valve. 0 <, x max Tightness OK: open the pipeline. Connection leaking: check seal. -

Bypass adapter For the connection of the bypass/pilot gas valve VS. 0, x max Scope of delivery C Tightness OK: open the pipeline. Connection leaking: check seals. Bypass/pilot gas valve Scope of delivery B C D B x seal B x bypass plate C 4 x set screws M Order o. 740 Replacing the adapter plate Disconnect the system from the electrical power supply. Shut off the gas supply. We also recommend replacing the seal when replacing the adapter plate. 4 x bypass or pilot gas valve VS B x flange O-rings C 4 x connecting screws D x bypass adapter, E x seal, 4 x connecting screws Bypass valve VS : E x adapter flanges Pilot gas valve VS 4: E x adapter flange, x adapter flange with threaded hole Disconnect the system from the electrical power supply. Shut off the gas supply. 4 7 ttached the required accessories, e.g. gas pressure switch or pressure test points, as described. 0 If a bypass/pilot gas valve is to be installed, please continue reading as of point in the following section entitled Bypass/pilot gas valve. To, be able x to max check the tightness, shut off the downstream pipeline as close as possible to the main valve. Checking the bypass/pilot gas valve for tightness at the inlet and outlet To be able to check the tightness, shut off the downstream pipeline as close as possible to the main valve. The, bypass/pilot x max gas valve must be closed. 7 0 Bypassventil öffnen. 0 -, x max

Bypass valve 4 dapter for length compensation For length compensation when replacing VG with VS. Scope of delivery, x max 7 0 Open the, x max bypass valve. D E 7, x max Pilot gas valve Pilot gas valve: at the outlet, shut off the downstream x max pipeline close to the pilot gas valve., VCS: open the first VCS valve., x max 7 0 Open the pilot, x max gas valve. 7, x max, x max 0 0 Open the bypass valve. Open the pilot gas valve. 0 0 0 0 B VS, VCS x adapter for length compensation B 4 x threaded bolts C x nuts D x washers E x serrated lock washers Order o. 747 VS 7 to, VCS 7 to x adapter for length compensation B x threaded bolts C x nuts D 4 x washers E x serrated lock washers VS, Order o. 747, VS 7, Order o. 747, VS, Order o. 747, VS, Order o. 7474. To ensure safe grounding, fit both serrated lock washers to the same threaded bolt under the nuts. The lacquer coat on the flange connections will thus be broken open. Insert a sealing washer at both the inlet and outlet of the adapter for length compensation. C Tightness OK: open the pipeline. Connection leaking: check the sealing rings. Unit leaking: remove the valve and return it to the manufacturer. -0

Technical data Gas types: natural gas, LPG (gaseous), biogas (max. 0. %-by-vol. H S) or clean air; other types of gas on request. The gas must be clean and dry in all temperature conditions and must not contain condensate. Max. inlet pressure : max. 00 mbar (7. psig). CE and FM approved and UL listed, max. inlet pressure : 00 mbar (7 psig). FM approved, non operational pressure: 700 mbar (0 psig). SI/CS approved: 0 mbar ( psig). The flow adjustment facility limits the maximum flow rate: 0 to 00%. VS..L, VCS..L: start gas rate adjustment: 0 to 70%. Opening times: VS.., VCS.. quick opening: s, VS..L, VCS..L slow opening: up to 0 s. Closing time: quick closing: < s. Medium and ambient temperatures: -0 to +0 C (-4 to +40 F). o condensation permitted. Long-term use in the upper ambient temperature range accelerates the ageing of the elastomer materials and reduces the service life (please contact manufacturer). Storage temperature: -0 to +40 C (-4 to +04 F). Enclosure: IP. Valve housing: aluminium, valve seal: BR. ISO flange pursuant to ISO 700, P, SI flange pursuant to SI 0. Class, Group safety valve pursuant to E and E, Factory Mutual (FM) Research Class: 7400 and 74, SI Z. and CS.. VS /VCS Mains voltage: 0 V C, +0/-%, 0/0 Hz, 0 V C, +0/-%, 0/0 Hz, 4 V DC, ± 0%. Switching frequency: VS, VCS : max. 0 x per minute. VS..L: there must be a period of 0 seconds between switching off and on again so that the damping is fully effective. VS /VCS Mains voltage: 0 V C, +0/-%, 0/0 Hz, 0 V C, +0/-%, 0/0 Hz. Switching frequency: max. x per minute. Max. temperature of solenoid coil: +0 C (+ F) above ambient temperature. Current consumption at 0 C ( F): pick-up current:., holding current: 0.. VS /VCS Duty cycle: 00%. Power factor of the solenoid coil: cos φ = 0.. Power consumption: Type Voltage Power 4 V DC 70 W VS 0 V C W 0 V C W 4 V DC 7 W VS 7 0 V C 0 W 0 V C W 4 V DC W VS 0 V C 7 W 0 V C W 4 V DC VS 0 V C 00 (*) W 0 V C 00 (*) W 4 V DC 40 W VCS 0 V C W 0 V C W 4 V DC 0 W VCS 7 0 V C 0 W 0 V C W 4 V DC W VCS 0 V C 4 W 0 V C W 4 V DC VCS 0 V C 400 (0*) W 0 V C 400 (0*) W * after opening Cable gland: M0 x.. Electrical connection: electrical cable with max.. mm (WG ) or plug with socket to E 70-0. Contact rating of proof of closure switch: Type Voltage Min. current (resistive load) Max. current (resistive load) VS..S, 0 V C, VCS..S 0/0 Hz 00 m VS..G, 0 V DC VCS..G m 0. Switching frequency of proof of closure switch: max. x per minute. Switching Switching cycles* current [] cos φ = cos φ = 0. 0. 00,000 00,000 0. 00,000 0,000 00,000 00,000 00,000 * Limited to max. 00,000 cycles for heating systems. -

ir flow rate Q ir flow rate Q for a pressure loss of p = mbar (0.4 "WC) p mbar (0,4 "WC) x VS Type ir flow rate Q [m /h] Q [SCFH] VS 0 VS 7 4 VS 44 04 VS 70 VCS VCS 7 74 0 VCS VCS Flow rate Q of the bypass/pilot gas valve Designed lifetime This information on the designed lifetime is based on using the product in accordance with these operating instructions. Once the designed lifetime has been reached, safety-relevant products must be replaced. Designed lifetime (based on date of manufacture) in accordance with E, E for VS/VCS: Type VS/VCS to VS/VCS 70 VS/VCS 00 to VS/VCS Designed lifetime Switching Time [years] cycles 00,000 0 0,000 0 You can find further explanations in the applicable rules and regulations and on the afecor website (www.afecor.org). This procedure applies to heating systems. For thermoprocessing equipment, observe local regulations. The adjusting range for the bypass valve, and pilot gas valve, VS was determined using the values measured for open flow adjustment (Q max. ) and fully reduced flow adjustment (Q min. ). p [inch WC] 40 0 0 0 4 0. 0. 0. 0.4 0. p [mbar] 00 0 0 0 40 0 0 0 4 0, djusting range Logistics Transport Protect the unit from external forces (blows, shocks, vibration). On receipt of the product, check that the delivery is complete, see page (Part designations). Report any transport damage immediately. Storage Store the product in a dry and clean place. Storage temperature: see page (Technical data). Storage time: months in the original packaging before using for the first time. If stored for longer than this, the overall service life will be reduced by the corresponding amount of extra storage time. Packaging The packaging material is to be disposed of in accordance with local regulations. Disposal Components are to be disposed of separately in accordance with local regulations. 0. 0. 0.0 0.0 0, 0,4 0, 0, 0.04 0, 4 0 0 0 40 0 0 00 4 0 0 0 40 0 4 0 0 0 40 0 0 0 40 0 0 0 00 00 00 400 = natural gas (ρ = 0.0 kg/m ) = propane (ρ =.0 kg/m ) = air (ρ =. kg/m ) 00 000 Q [m /h (n)] 000 000 Q [SCFH (n)] -

Certification Declaration of conformity FM approved We, the manufacturer, hereby declare that the products VS/VCS, marked with product ID o. CE-00BR0, comply with the essential requirements of the following Directives: Directives: 00/4/EC GD (valid until 0 pril 0) in conjunction with E, E 04//EU 04/0/EU Regulation: (EU) 0/4 GR (valid from pril 0) The relevant product corresponds to the type tested by the notified body 00. The production is subject to the surveillance procedure pursuant to Directive 00/4/EC nnex I paragraph (valid until 0 pril 0) and to Regulation (EU) 0/4 nnex III paragraph (valid from pril 0). Elster GmbH Scan of the Declaration of conformity (D, ) see www.docuthek.com Factory Mutual (FM) Research Class: 7400 and 74 Safety shut-off valves. Designed for applications pursuant to FP and FP. SI/CS approved Canadian Standards ssociation SI Z. and CS. VS : UL listed Underwriters Laboratories UL 4 Electrically operated valves. G approved G ustralian Gas ssociation Eurasian Customs Union SIL, PL The solenoid valves VS are suitable for singlechannel systems (HFT = 0) up to SIL /PL d, and up to SIL /PL e when two redundant solenoid valves are installed in a double-channel architecture (HFT = ), provided that the complete system complies with the requirements of IEC 0/ISO 4. The safety function value which is actually achieved is derived by taking all components into account (sensor logic actuator). For this, the demand rate and structural measures to avoid/detect nonconformity are to be observed (e.g. redundancy, diversity, monitoring). Characteristic values for SIL/PL: HFT = 0 ( device), HFT = ( devices), SFF > 0, DC = 0, type /category B,,,, 4, high demand mode, CCF >, β =. PFH D = λ D = = 0. x n MTTFd B op 0d VS, VCS B0d value Sizes,700,000 The product VS, VCS meets the technical specifications of the Eurasian Customs Union. -

Contact If you have any technical questions, please contact your local branch office/agent. The addresses are Elster GmbH available on the Internet or from Elster GmbH. Strotheweg, D-404 Lotte (Büren) Tel. +4 4 4-0 We reserve the right to make technical modifications Fax +4 4 4-70 in the interests of progress. hts.lotte@honeywell.com, www.kromschroeder.com -4