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WT004139

2008-03-20 V0 Rev.01.0

Global Vista CNG

Instruction Manual

Содержание GLOBAL VISTA CNG

Страница 1: ...EN WT004139 2008 03 20 V0 Rev 01 0 Global Vista CNG Instruction Manual ...

Страница 2: ...ния перед началом любых работ Warning Never run a leaking pump Be careful with the environ ment and mind the skidding risk take care of leaking fuel immediately Varning Använd aldrig en läckande pump Tänk på miljön och halk risken sanera utläckt driv medel snarast Warnung Lassen Sie nie eine undichte Zapfsäule laufen Seien Sie umweltbewusst und denken Sie an die Rutschgefahr beseitigen Sie austret...

Страница 3: ...stallation 9 Initial start up 16 Dispensing procedure 16 COMPONENTS 17 Hydraulic components 17 Electrical components 17 HYDRAULIC COMPONENTS 18 Manual ball valve 18 Particulate filter 18 Check valve 18 Mass flow meter 18 Motorized valve 18 Pressure gauge 18 Delivery hose 18 Delivery Nozzle 18 Three way valve 19 Breakaway Device 19 ELECTRICAL COMPONENTS 19 Electronic head 19 Electrical components u...

Страница 4: ...Dresser will not be held responsible for any tampering performed by the customer who in this case will be the only party held liable by the competent authorities For further information on the main components of the equipment mass flow meter actuator board etc and or original spare parts see the specific technical documentation given to your technical assistance after sales company Warnings for fu...

Страница 5: ... positions of these warnings depend on local conditions but they must be visible from the dispenser Ensure that all station attendants know how to behave in an emergency situation Protection from pressure related risks The hydraulic circuit of the dispenser works under pressure Before performing any maintenance accurately close the cut off valve s located at the base of the dispenser and release t...

Страница 6: ...e prohibit or restrict access to the switches used to interrupt power supply to the dispenser Ensure that the fuelling station has both an electrical line equipped with an automatic breakaway device as well as a proper grounding system in compliance with all applicable regulations Dispenser Identification The GLOBAL VISTA CNG dispenser can be manufactured in different versions due mainly to the di...

Страница 7: ...the mass flow meter in the dispenser The information given by the mass flow meter or any other sensors temperature sensor pressure sensor etc are processed by the electronic head which carries out specific operations based on the values it receives The CNG dispensers can be Single stage dispensers that control a single valve first stage level their hydraulic system communicates with one storage ta...

Страница 8: ...the areas indicated with the arrows in this diagram areas are about 50 cm one from the other Always use the proper methods to lift and transport the dispenser Non compliance with the instructions for moving the dispenser could cause serious damages to things and people Once you have received the dispenser carefully inspect the equipment to ensure that it has not been damaged during transportation ...

Страница 9: ...tem normally composed of an emergency button and one or more safety switches that is capable of interrupt the flow to the equipment in case of operating problems The emergency stopping system not included with the dispenser must comply with national regulations for example EN 60204 1 The safety device must be placed in the gas station in order that it is easily accessible to attendants Following a...

Страница 16: ... by dispensing some gas following the procedure indicated in the following paragraph Check the meter s calibration by dispensing gas a few times and comparing the measurements given by the electronic head with those given by a proper sampling instrument For Example precision scale Dispensing procedure To dispense CNG follow these procedures remove the nozzle from its housing connect the nozzle to ...

Страница 17: ... and electrical components External components 1 Lower front panel 2 Column 3 Nozzle Housing 4 Computing Head Housing 5 Cover 6 Base 7 Id plate Hydraulic components 8 Manual ball valve 9 Particulate filter 10 Check valve 11 Mass flow meter 12 Motorized valve 13 Pressure gauge 14 Delivery hose 15 Delivery Nozzle 16 Breakaway Device Electrical components 17 Electronic head 18 Pressure transmitter 19...

Страница 18: ...he motorized valve includes a ball valve a solenoid and a pneumatic actuator When the dispensing selector is switched to the ON position dispensing the head sends a command to the solenoid which activates the inlet of compressed air into the actuator through the inlet door at this point the ball valve opens and the gas starts to flow The motorized valve returns to its initial position when the hea...

Страница 19: ...damages to persons the dispenser and the vehicle ELECTRICAL COMPONENTS Electronic head Description The CNG dispenser is equipped with a Dresser electronic head which guarantees high performance in calculating and constantly monitoring all the operations carried out by the dispenser The head designed specifically to manage CNG dispensers performs the following operations management and control of t...

Страница 20: ...NTENANCE The dispenser leaves the factory only after passing accurate tests hydraulic and electrical A correct installation and use should guarantee proper functioning In any case in order to maintain the dispenser s optimal conditions in time and guarantee its safety the station manager must check the components listed in the table below periodically Component Intervention Pneumatic actuator Peri...

Страница 21: ... remember to disconnect the power supply before operating on the components of the CNG dispenser Cleaning To clean the dispenser do not use abrasive detergents or products petrol petroleum based products Instead use water with non aggressive detergents and soft cloths Adopt all necessary precautions to avoid any water entering the dispenser Before entering the head box carefully dry any traces of ...

Страница 22: ...ens while the volume display will show the pre established unit price for example 1 235 0 1 235 1 235 For example pressing P0 once and P1 twice the display will appear as follows 2 1 235 Pressing P0 again another digit is added on the display and it can be increased or decreased by pressing P1 or P2 respectively 20 1 235 The same applies when setting the next digits If the new price is set the dat...

Страница 23: ...an 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 Further information For further information regarding programming operation and the meaning of certain error codes displayed by the electronic head refer to the related manual ...

Страница 24: ... Year of construction 3 Type of product 4 Space for directions 5 II 3 G group II surface category 3 potentially explosive atmosphere due to presence of gas vapors or fog 6 CE marking in compliance with EMC and ATEX 7 Epsilon X marking in compliance with the ATEX directive 8 Name and address of the manufacturer 3 1 2 ID PLATE 4 5 6 7 8 ...

Страница 26: ...____________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ _________________________________________________________________________________________ ___...

Страница 27: ...V0 Rev 01 0 27 WT004139 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 ...

Страница 28: ...n with overall responsibility to the customer Field service technical support and supply of spare parts Ausrüstungen wie Zapfsäulen Zahlterminals Kassenterminals und Tankstellensysteme Software für Registrierung und Kommunikation auf der Tankstelle u zwischen Station und Mineralölfirma sowie Banken und Kreditinstituten Projektgestaltung mit umfassender Verantwortlichkeit dem Kunden gegenüber Servi...

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