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Wayne GLOBAL VISTA CNG Instruction Manual

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Global Vista CNG
Instruction Manual
EN
WT004139
2008-03-20 V0 Rev.01.0

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Summary of Contents for Wayne GLOBAL VISTA CNG

  • Page 1 Global Vista CNG Instruction Manual WT004139 2008-03-20 V0 Rev.01.0...
  • Page 2 Dresser Wayne AB. ganz noch teilweise без разрешения фирмы Wayne AB. kopiert werden. Dresser Wayne АВ. Dresser Wayne AB för- Dresser Wayne АВ Dresser Wayne AB behåller sig rätten att Dresser Wayne behält reserves the right to utan särskilt meddelande sich das Recht vor, оставляет...

  • Page 3: Table Of Contents

    Index General Warnings.................... 4 Warnings for fuel station operators............... 4 Consulting the manual............................ 5 Warnings and safety ............................5 Protection from pressure-related risks......................5 Preventing CNG leaks............................ 5 Breakaway devices............................5 Electrical installation / Preventing electrical shocks ..................6 Dispenser Identification ..........................6 Main technical characteristics ........................

  • Page 4: General Warnings

    The use of non-original spare parts by the customer will discharge Dresser from any responsibilities and from any compensation. • The GLOBAL VISTA CNG dispenser has the marking guaranteeing that the equipment has been manufactured in conformity with the applicable EU directives. The dispenser leaves the factory equipped with the CE declaration of conformity (see the last page of this manual).

  • Page 5: Consulting The Manual

    Consulting the manual The GLOBAL VISTA CNG compressed natural gas dispenser is used in areas that are potentially dangerous and with flammable products. We recommend scrupulously to follow the precautions and warnings described hereafter. Non-compliance with the rules listed in this manual could potentially bring serious damages to things or persons.

  • Page 6: Electrical Installation / Preventing Electrical Shocks

    Dispenser Identification The GLOBAL VISTA CNG dispenser can be manufactured in different versions due mainly to the different hydraulic configurations. The following drawing illustrates the general shape and dimensions of the standard model:...

  • Page 7: Main Technical Characteristics

    Main technical characteristics The main technical characteristics of the GLOBAL VISTA CNG dispensers are listed in the following table: Maximum flow 77 kg/min Minimum flow 0,06 kg/min Minimum measurable quantity 5 kg Measuring accuracy ± 1% Maximum working pressure 250 bar...

  • Page 8: Typical Operating Diagram

    Typical operating diagram The following diagram illustrates the operating principles of a CNG dispenser with three levels of pressure. Computing head Vehicle connection Breakaway device Pressure transmitter Pressure gauge Valve Meter Vent valve Check valve VENT MIDDLE Filter HIGH PRESSURE valve (optional) GAS INLET Pos.

  • Page 9: Installation

    To access internal components for installation and ordinary maintenance, use the proper key supplied with the dispenser to open lower front panels and/or the head box. Installation Before installing the dispenser, it is necessary to ensure that installation is carried out exclusively by qualified technicians that are fully knowledgeable about both installation procedures as well as about prevailing applicable regulations.
  • Page 10 © Copyright - 10 - WT004139 2008-03-20 V0 Rev.01.0...
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  • Page 16: Initial Start-Up

    Initial start-up Initial start-up is needed to verify whether the dispenser is in perfect operating condition. Before starting the dispenser, ensure that all installation procedures have been properly carried out (hydraulic connections, sealing of the fittings, electrical connections, etc.). Make sure that the junction boxes are properly closed and that all cable glands are accurately fastened. The junction boxes must not present any signs of openings;...

  • Page 17: Components

    COMPONENTS This section briefly describes the main components of a CNG dispenser. The components can be divided into three groups: external components, hydraulic components and electrical components. External components 1. Lower front panel 2. Column 3. Nozzle Housing 4. Computing Head Housing 5.

  • Page 18: Hydraulic Components

    HYDRAULIC COMPONENTS Manual ball valve The manual ball valve is on the dispenser inlet and prevents the entrance of natural gas in the dispenser itself during any maintenance operations. This valve is normally installed on a system when a dispenser is also installed. Particulate filter The particle filter is on each inlet line of the dispenser and its function is to separate any solid particles from the compressed natural gas in order to optimize gas flow and avoid particle deposits in the internal...

  • Page 19: Three-Way Valve

    Three-way valve The three-way valve is a ball valve which allows gas to flow from the CNG to the vehicle tank. This valve works according to three different positions: • OFF position prevents gas flow (no dispensing); • ON position allows gas flow (dispensing); •...

  • Page 20: Electrical Components Used In Hazardous Areas

    Configuration parameters The proper functioning of the head is guaranteed by programming a series of configuration parameters, divided into two groups: • accessible parameters; • non-accessible parameters (protected by a metric seal); To set these parameters it is necessary to use the four buttons on the display. The final part of the manual indicates the operating procedures to change prices and define the operating modes of the dispenser.

  • Page 21: Relieving Pressure From The Dispenser

    Relieving pressure from the dispenser Before intervening on any hydraulic component, it is necessary to completely discharge pressure from the gas system in the dispenser as follows: • close the cut-off valve (ball valve at dispenser inlet); • open ball valve on the actuator with the manual command on the solenoid valve; •...

  • Page 22: Operational Procedures On The Electronic Head

    OPERATIONAL PROCEDURES ON THE ELECTRONIC HEAD The GLOBAL VISTA CNG dispenser is equipped with an OTP-ELT electronic head that manages all fuelling operations and allows the programming of a series of functions. The display screen, that is the interface between head and user, visualizes the data; the different information appears on the price, volume and unit price displays.

  • Page 23: Operational Modes Of The Dispenser

    Operational modes of the dispenser The head can be connected to host equipment for fuelling management. Operational modes can be set with the P001 parameter. Values are 0 e 1. 0 = manual mode 1 = automatic mode Warning, if the dispenser is connected to the Host, it will shift into automatic mode even if it is set to manual.

  • Page 24: Id Plate

    ID PLATE The GLOBAL VISTA CNG ID plate lists the following information ID PLATE Serial number Year of construction Type of product Space for directions II 3 G (group II surface, category 3, potentially explosive atmosphere due to presence of gas, vapors or...

  • Page 25: Declaration Of Conformity

    DECLARATION OF CONFORMITY © Copyright - 25 - WT004139 2008-03-20 V0 Rev.01.0...

  • Page 26: Notes

    NOTES _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ © Copyright - 26 - WT004139 2008-03-20 V0 Rev.01.0...

  • Page 27: Market & Service

    MARKET & SERVICE To obtain name and address of the closest authorized maintenance company, please contact: DRESSER WAYNE DRESSER Italia S.r.l. Via Roma 32 - 23018 TALAMONA (SO) Tel. 0342 608111 - Fax 0342 608299 © Copyright - 27 - WT004139 2008-03-20 V0 Rev.01.0...
  • Page 28 Обслуживание на местах, stützung und Lieferung von Ersatzteilen. техническая поддержка и поставка запасных частей. Wayne Dresser makes it easier Wayne Dresser erleichtert dem Wayne Dresser gör det lättare Wayne Dresser упрощает for the motorist to fill up and Fahrer die Betankung und för bilisten att tanka och handla.

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