Hamilton Sundstrand Company Gas Fuel Metering Valve HFG2.0 Manuel D’Utilisation

ii HFG2.0

USER

GUIDE

Figure 1-11. Typical Power Connection With Battery.......................................................15

Figure 1-12: HFG2.0 System Signal Wiring Diagram......................................................19

Figure 1-13. Typical Analog Input Connection..................................................................20

Figure 1-14. Typical Analog Output Connection...............................................................20

Figure 1-15. Typical Discrete Input Command Connection .............................................20

Figure 1-16. Typical Discrete Output Alarm Connections ................................................21

Figure 1-17. Typical RS232 Serial Interface Connection .................................................21

Figure 2-1. HFG2.0 Electronics System Block Diagram ..................................................28

Figure 2-2. HFG2.0 Cut-Away View – Actuator Main Housing Assembly.......................34

Figure 2-3. HFG2.0 Cut-Away View (Partial) ....................................................................35

Figure 2-4. Typical Identification Plate...............................................................................36

Figure 2-5. Typical Refurbishment Plate ...........................................................................37

Figure 3-1. HFG2.0 Basic Operation Flow Chart..............................................................41

Figure 3-2. HFG2.0 Actuator Position vs. DEMAND ........................................................43

Figure 3-3. Dead Band of Actuator, Position vs. DEMAND Curve ..................................44

LIST OF TABLES

Table 1-1. Wire List for HFG2.0 Power Harness ..............................................................14

Table 1-2. Power Supply Requirements............................................................................16

Table 1-3. Wire Size for HFG2.0 Power Harness.............................................................17

Table 1-4. Wire List for HFG2.0 System Signal Harness.................................................18

Table 1-5. Computer COM Port Pin Outs .........................................................................22

Table 1-6. Wire Size for HFG2.0 Signal Harness .............................................................23

Table 3-1. Default Configuration For FAULT Alarm

..................................................47

Table 3-2. Default Configuration For OVERTEMP Alarm

.........................................47

Table 3-3. Fault Configuration For FAULT Alarm

...........................................48

Table 3-4. Fault Configuration For OVERTEMP Alarm

..................................49

Table 3-5. Typical HFG2.0 Setup Parameters With Default Values................................51

Table 5-1. Initial Installation Troubleshooting Chart..........................................................57

Table 5-2. HFG2.0 In-Service Troubleshooting Chart......................................................57

Table 5-3. HFG2.0 Electrical Continuity Troubleshooting Chart ......................................58