0 GENERAL INFORMATIONS 6
0.1 INTRODUCTION 6
0.1.1 DEFINITIONS 6
0.1.2 MAIN STANDARDS OF REFERENCE 6
0.1.3 DOCUMENTS RELATED WITH INSTALLATION 6
0.1.4 TERMS AND SYMBOLS USED 7
0.2 SAFETY PRECAUTION DURING INSTALLATION 7
0.2.1 TOOLING 7
0.3 GENERAL INSTRUCTIONS 7
1 FEATURES AND REQUIREMENTS 8
1.1 THE NGV A3 VALVE 8
1.2 THE FLUID 8
1.3 HOW THE NGV A3 WORKS 9
1.4 THE DOUBLE SAFETY 10
1.5 MAIN FEATURES 10
2 INSTALLATION OPERATIONS 11
2.1 HYDRAULIC CONNECTIONS 11
2.1.1 MINIMUM DIMENSIONS AND HOLES FOR POWER UNIT 11
2.1.1.1 1”¼ VALVE 11
2.1.1.2 1”½ VALVE 12
2.1.2 INPUT AND OUTPUT - POWER UNIT SIDE 13
2.1.2.1 1”¼ VALVE 13
2.1.2.2 1”½ VALVE 13
2.2 HYDRAULIC CIRCUIT 14
2.3ELECTRICAL CONNECTIONS 15
2.3.1 CONTROL PANEL REQUIREMENTS 15
2.3.2 INTERVENTION TIME 15
2.3.3 FAULT SCHEMAS 16
2.4 PRELIMINARY OPERATIONS TO CONNECTION 16
2.5 SCHEMAS OF THE CONNECTIONS TO CONTROL PANELS 17
2.5.1 MAIN SCHEMA 17
2.5.2 CONNECTION SCHEMAS FOR SIGNALS 18
2.5.3 CONNECTION SCHEMAS FOR POWER 18
2.6 CONNECTIONS TO THE TERMINAL 19
2.7 CONNECTIONS TO THE CARD 19
2.8 CONNECTION OF HYDRAULIC PIPES 20
2.8.1 CONNECTION WITH HOSE 20
2.8.2 CONNECTION WITH A RIGID PIPE 20
3 NGV A3 CONTROL BOARD 21
3.1 ELECTRICAL FEATURES 21
3.2 PERFORMANCES 21
3.2.1 SIGNALLERS 21
3.3 CONNECTIONS 22
3.3.1 CONTROL PANEL INTERFACE 22
3.3.2 VALVE INTERFACE 23
3.3.3 USER INTERFACE 24
3.4 SIGNALS AND COMMANDS SEQUENCE 25
3.4.1 UPWARD DIAGRAM 25
3.4.1.1 UPWARD SIGNALS AND COMMANDS SEQUENCE 25
3.4.2 DOWNWARD DIAGRAM 26
3.4.2.1 DOWNWARD SIGNALS AND COMMANDS SEQUENCE 26
3.4.3 DECELERATION DISTANCES 27
3.4.4 MICRO-LEVELLING 28
3.4.4.1 SIGNALS AND COMMANDS SEQUENCE 28
3.5 MANAGEMENT µSD CARD PARAMETERS AND SOFTWARE 29
3.5.1 MEMORY µSD 29
3.5.2 PARAMETERS 29
3.5.2.1 SAVE PARAMETERS TO A DATA FILE 29
3.5.2.2 LOAD PARAMETERS FROM A DATA FILE 29
3.5.2.3 SOFTWARE UPDATE 29
4 ADJUSTMENTS AND TEST 30
4.1 ADJUSTMENT VALVE 30
4.1.1 ADJUSTMENT OF THE OVERPRESSURE (MPS+OPP) 30
4.1.2 RAM PRESSURE ON THE VSMA ADJUSTMENT 30
4.2 CHECKS AND TESTS BEFORE PUTTING INTO SERVICE 31
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