Compac CNG Service Manual page 4

Dispenser Calibration ..................................................................................................................................................... 67
Meter Calibration .................................................................................................................................................... 67
Pressure Transducer Calibration (Fast Fill & Temperature Compensated Units Only) .......................................... 69
Ambient Temperature Sensor Calibration .............................................................................................................. 70
Indicator LEDs ................................................................................................................................................................. 71
Power, Watchdog, Comms RXD and TXD LEDs ................................................................................................... 71
Diagnostic and Output LEDs .................................................................................................................................. 72
Troubleshooting .............................................................................................................................................................. 74
Problems When Dispenser is Idle .......................................................................................................................... 75
Problems Starting a Fill .......................................................................................................................................... 76
Problems Filling a Vehicle ...................................................................................................................................... 77
Solenoid Problems ................................................................................................................................................. 79
Appendix .......................................................................................................................................................................... 80
Approvals ............................................................................................................................................................... 80
Specifications .................................................................................................................................................................. 81
Model Specifications .............................................................................................................................................. 81
Technical Specifications ........................................................................................................................................ 82
Component Specifications ..................................................................................................................................... 83
Installation Diagrams ...................................................................................................................................................... 85
LEGEND Installation Diagram ................................................................................................................................ 85
LASER Installation Diagram................................................................................................................................... 86
Dispenser Fittings .................................................................................................................................................. 87
Mechanical Drawings and Component Details ............................................................................................................. 89
Dispenser Component Locator .............................................................................................................................. 89
Hydraulic Layout .................................................................................................................................................... 90
Electrical Drawings and Component Details ................................................................................................................ 91
CNG Dispenser Electrical Schematic ..................................................................................................................... 91
C4000 Power Supply Board ................................................................................................................................... 92
C4000 Microprocessor Board ................................................................................................................................ 96
C4000 Temperature Pressure Interface Board CI75-B ........................................................................................ 112
C4000 IS Cable Connections ............................................................................................................................... 114
Dispenser spare parts................................................................................................................................................... 116
Main Dispenser Parts ........................................................................................................................................... 116
Hydraulic Module Parts ........................................................................................................................................ 119
Error Codes ................................................................................................................................................................... 120
End of Sale Indicators .......................................................................................................................................... 123
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