GEO Dispenser Training(IRAN)-CNG050

GEO DISPENSER TRAINING

www.kwangshin.com

GEO Dispenser Training Agenda

180-12, Okog-ri, Cholwon-Myun, Haman, Gyungnam, Korea

Tel : +82-55-589-8000 Fax : +82-55-589-8020 e-mail : sales@kwangshin.co.kr Web : www.kwangshin.com

A. Difference Between GEO Dispenser and Kraus Dispenser

B. Introduce of GEO Dispenser Equipment

C. Explanation of GEO Dispenser Flow Chart and P&ID

D. GEO Dispenser Commissioning

E. Trouble Shooting of GEO Dispenser

F. GEO Breakaway and Nozzle

G. GEO Dispenser Calibration

H. Communication Through SCADA

A. Difference Between GEO/Kraus Dispenser

1. Tube & Valve Part

2. Flow Meter Part

3. Controller Part

CPU Board

Power Board

Display Board PRESET

Barrier Board

1. Controller Part

SOLENOID VALVE

AC 220V

CARD Reader

RF-CARD Reader

Start SW

CARD Reader

RF-CARD Reader

THERMAL PRINTER

FLOW METER

Start SW

SOLENOID VALVE

2. Block Diagram(Control)

1. P&ID

2. Flow Chart(Flow Rate Mode)

Start S/W ?

Low Sol. V/V OpenHigh Sol. V/V Open

Flow rate?

High Sol. V/V Close

Flow rate?

Mid Sol. V/V Open

Err 17

EOF(End Of Flow)

Max Flow

Err 18

Max Flow

Err 18

High Sol. V/V Open

Flow rate? EOF(End Of Flow)

High Sol. V/V CloseMid Sol. V/V CloseLow Sol. V/V Close

Flow rate?

Max Flow

Err 18

Max Flow

Err 18

3. Flow Chart(Pressure Mode)

Start S/W On?

Low Sol. V/V OpenHigh Sol. V/V Open

Flow rate ?

High Sol. V/V Close

Flowrate? EOP ?

Mid Sol. V/V Open

Err 17

EOF(End Of Flow)

Max Flow

Err 18

Max Flow

Err 18

EOP Delay Time

3. Flow Chart(Pressure Mode) - continued

High Sol. V/V Open

Flow rate?EOF ?

EOF(End Of Flow)

High Sol. V/V CloseMid Sol. V/V CloseLow Sol. V/V Close

EOF =<EOP =< A

Max Flow

Err 18

Max Flow

Err 18

Flow rate?EOP ?

3. Flow Chart(Pressure Mode) - continued

V/V Close

RESTART Delay Time Flow

EOF =>

V/V Open

BLANK Time

Flow Rate ?

EOP ?Flow Rate ?

EOF(End Of Flow)Max Flow

Err 18

Max Flow

Err 18

EOF =>EOF(End Of Flow)

BLANKTIME

EOP =<

Inlet Valve Connect Tube

Inlet Valve Gas Leak Check

Inlet Valve Open

Instrument Gas connect (100psig)

Gas Leak Check

AC Power connect

CPU Junction Box Cable Check

AC Power On

CPU Junction switch ON

Dispenser Power ON

Start SW ON, delay 2 sec, SW_OFF, Valve ON/OFF Test

ShutOff Valve Open

Hose part Gas Leak Check

ShutOff Valve Close

PRESET “F2” PUSH

Unit Price Display – Pressure

Pressure Gauge, Transducer Check

PRESET Setting

SUMMARY of CNG DISPENSER SETUP VALUE(OPTION)

NO RANGE DEFAULT DESCRIPTION

11 0~40 0 Sets pump address used for serial data communication

12 0~2 1 Sets number of decimal places in the price unit display

13 0~2 0 Sets number of decimal places in the amount unit display

14 0~1 1 Select 1 or 3 pressurized lines

15 0~1 1 Sets number of Low solenoid valve On or Off

16 0~1 1 Sets number of Mid solenoid valve on of off

17 0~1 1 Sets of Control Mode(Flow Rate / Pressure)

18 0~1 0 Sets of Temperature Compensation (only Pressure Mode)

19 0~16 4Sets delay timer permitted between an end-of-pressure and true fill termination(only Pressure Mode)

20 0~30 10Sets time delay initated each time any flow control actuated ball valve is activated. (only Pressure Mode)

21 0~3600 3000 Sets operating EOP(End-of-Pressure) - (only Pressure Mode)

22 0~9900 5000 Scales pressure transducer 4~20mA ouput

23 0~15.00 2.5 Sets of EOF(End-Of-Flow)

24 0~65.00 35.0 Sets of Max Flow Rate(Unit Kg/m)

25 0~40.00 10.00 Increased pressure trip point at whice low bank switches to mid bank(FRS1)

26 0~30.00 6.5 Increased pressure trip point at whice mid bank switches to high bank(FRS2)

27 0~500 15 Sets of delay time before EOP check

28 na na NOT USED.

Connect the nozzle to the vehicle

ShutOff Valve Open

Operation SW “Start” Position ( Dispenser RUN)

Open Hi, Low valve ON for 4 sec. allowing gas to flow to the car.

During these 4 sec. the CPU reads the Tempereture.

Hi Valve Close and Filling begins.

As the pressure in the vehicle tank nears the pressure in low bank storage, the gas flow rate will decrease

When the gas flow rate falls below the PRESET setting FRS1 (e.g. 10.5 kg/min)…

Mid valve Open PRESET OPT 15 = 0 : Low V/V Open PRESET OPT 15 = 1 : Low V/V Close

When the gas flow rate falls below the PRESET setting FRS2 (e.g. 6.5 kg/min)…

Opens up the Hi valve to finish off the fill. PRESET OPT 16 = 0 : Mid V/V Open PRESET OPT 16 = 1 : Mid V/V Close

The fill will end when either the final fill pressure is reached or the gas flow rate falls below the PRESET setting EOF (e.g. 2.5 kg/min)

At this point the CPU will close all valves and Unit Price “end” Display

Operation SW “Stop” Position

Disconnect the nozzle by turning the handle 180°

This will allow the gas trapped between the vehicles receptacle and check valve to be vented

When the dispenser is off, there is still pressure in the lines up to the nozzle

** Venting the Dispenser

To start venting the dispenser, first close off the inlet ball valves

Then open up the venting needle valve

** Venting the Dispenser - continued

The gas in the line will now start to escape through the vent tube

Notice now that there is still gas trapped between the inlet ball valves and the solenoid valves

Manual OpreationLow solenoid Instrument Line -> Mid solenoid Instrument Line connect -> Mid Valve Open

Operation Switch to “Start” Position, this will open up the Hi, Low valves, allowing for the gas trapped to be evacuated

Now maintenance work can be performed on the dispenser

Troubleshooting – EFCP-CPU

Mutil Tester and AD Barrier connect

AD Barrier

CON1 : 1 CON2 : 1 1.0 ㏀ ~ 4.5 ㏀ OK

CON1 : 3 CON2 : 3 3.5 Ω ~ 4.5 Ω OK

Troubleshooting – AD Barrier

Troubleshooting – EFCP-2010(Manifold Module)PROBLEM POSSIBLE CAUSE SOLUTION

TOO HIGH A PRESSURE DROP FROM STORAGE

FILTERS ARE CLOGGED

a. CLEAN FILTER ELEMENTS WITH COMPRESSED AIR

b. REPLACE FILTER ELEMENTS

NO GAS THROUGH VALVE

1. ACTUATED VALVE IS PREVENTED FROM OPENING

2. SOLENOID IS NOT GETTING POWER TO OPEN OR IS FAULTY

3. SOLENOID IS NOT GETTING INSTRUMENT GAS

a. DISASSEMBLE VALVE AND LOOK FOR DEBRIS NEAR PISTON

b. REFURBISH VALVE ASSEMBLY WITH VALVE REBUILD KIT

c. CHECK THAT VALVE IS RECEIVING APPROPRIATE VOLTAGE

d. REPLACE SOLENOID

GAS FLOWING THROUGH VALVE WHEN NO POWER

TO SOLENOIDS

VALVE PISTON IS NOT SEALING CORRECLY

a. DISSASSEMBLE VALVE AND CHECK FOR SIGNS OF DEBRIS

b. REFURBISH VALVE ASSEMBLY WITH VALVE REBUILD KIT

c. REPLACE VALVE

Troubleshooting – Manifold Valve Maintenance

Troubleshooting – Manifold Valve Maintenance(cont.)

Troubleshooting – CNGMASS

Troubleshooting – Hylok ValvesPROBLEM POSSIBLE CAUSE SOLUTION

VALVES ARE LEAKING WHEN

CLOSED1. VALVE SEALS HAVE FAILED a. REPLACE VALVE

Troubleshooting – WIKA IS-20 Pressure Transmitter

PROBLEM POSSIBLE CAUSE SOLUTION

TRANSMITTER NOT SENDING SIGNAL TO MICON (I.E. MICON IS DISPLAYING FAULT CODE co76 AND IS NOT RESOLVED BY

PRESSING RESET SWITCH)

1. WIRING FROM TRANSMITTER TO MICON IS FAULTY

2. TRANSMITTER HAS FAILED

a. CHECK WIRING OF TRANSMITTERb. REPLACE TRANSMITTER

Troubleshooting – WEH Hose, Nozzle & Breakaway Assembly

PROBLEM POSSIBLE CAUSE SOLUTION

NOZZLE IS LEAKING GAS DURING FILL

1. NOZZLE IS PAST RESERVICING PERIOD OF 3 YEARS OR 20,000 CYCLES

2. NOZZLE HAS BEEN DAMAGED DURING VEHICLE DRIVE AWAY

SEND BACK FOR REFURBISHMENT

HOSE RUPTURED OR SHOWING SIGNS OF

BLISTERING

HOSE HAS BEEN DAMAGED DURING VEHICLE DRIVE AWAY REPLACE HOSES

BREAKAWAY IS DISCONNECTING

WHEN PRESSURIZED

BREAKAWAY HAS BEEN DAMAGED DURING VEHICLE

DRIVE AWAYSEND BACK FOR REFURBISHMENT

1. Nozzle

2. Breakaway

G. GEO Dispenser Calibration

CNG050

Receptacle

Nozzle

Dispenser EF-050-PROVER Car

GEO Dispenser Training(IRAN)-CNG050

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