Alpha Technologies AlphaGen 5.0kW Auxiliary Power Unit - Manual (Page 6)

Preface
6
031-132-B0-001 Rev. A TM ©2000
5.0kW
Auxiliary Power Unit
TM
List of Figures
Fig. 1-1 System enclosure ......................................................................... 13
Fig. 1-3 Cabinet Component layout............................................................. 14
Fig. 1-5 System Block Diagram .................................................................. 16
Fig. 1-6 Location of Engine Control Module w/in the E-G Cabinet. ................... 18
Fig. 1-7 Front view, Engine Control Module (ECM) ........................................ 18
Fig. 1-8 Detail of Run-Auto-Stop (RAS) switch ............................................. 23
Fig. 1-9 Wiring for ECM, Ignition Battery Charger, and Ignition Battery ........... 25
Fig. 1-10 Overhead view, airflow patterns ..................................................... 26
Fig. 1-11 Airflow patterns, CE-X Enclosure .................................................... 27
Fig. 1-12 Airflow patterns, CE-G Enclosure .................................................... 27
Fig. 2-1 Location of APU Control Board........................................................ 29
Fig. 2-2 Generator set master switch .......................................................... 30
Fig. 2-3 Location of ECM Run/Auto/Stop switch ............................................ 30
Fig. 3-1 APU compartment ........................................................................ 34
Fig. 3-2 Access Panel and Air Filter ............................................................. 41
Fig. 3-3 Air Filter Removal ......................................................................... 41
Fig. 3-4 Primary Regulator Gas Pressure Adjustment .................................... 61
Fig. 3-5 Regulator Calibration Component Arrangement ................................ 62
Fig. 3-6 Secondary Regulator Component Location ....................................... 62
Fig. 4-1 ECM/APU Interconnection .............................................................. 66
Fig. 4-2 Gas Hazard Detector Interface ....................................................... 67
Fig. 4-3 Low Fuel Pressure Switch Interface ................................................. 68
Fig. 4-4 Gas Solenoid Interface Connector ................................................... 69
Fig. 4-5 Charger Control Interface .............................................................. 70
Fig. 4-6 Charger Output Interface .............................................................. 71
Fig. 4-7 APU Ignition Battery Connector ...................................................... 72
Fig. 4-8 Alarm Control Interface Connector .................................................. 73
Fig. 4-9 ECM Printed Circuit Boards ............................................................ 74
Fig. 4-10 ECM-PWR GRI Enclosure Sensor Interface Ribbon Cable .................... 75
Fig. 4-11 ECM and PWR-GRI Interface Ribbon Cable ....................................... 76
Fig. 4-12 Analog/Logic Power Interface connection ......................................... 77
Fig. 4-13 Enclosure Alarm Interface ............................................................. 78
Fig. 4-14 Inverter Battery DC Sense ............................................................. 79
Fig. 4-15 Charger Control Interface Connector ............................................... 80
Fig. 4-17 AC Sense, 120/240V Interface ....................................................... 82
Fig. 4-18 RS-485 Communications Input Connector ........................................ 83
Fig. 4-19 Transponder Interface Connector .................................................... 83
Fig. 4-21 Transponder-to-ECM interconnect cable, remote applications ............. 84
Fig. 4-20 Transponder-to-ECM interconnect cable ........................................... 84
Fig. 4-22 ECM, SCM connector arrangement .................................................. 85
Fig. 4-23 SCM-to-ECM interconnect cable ...................................................... 85
Fig. 4-24 RS-485-to-ECM interconnect cable.................................................. 85
List of Tables
Table 1-1 Normal Mode Crank Cycle .............................................................. 20
Table 1-2 Major, Minor Alarm Indications, and Notifications .............................. 24
Table 3-1 Scheduled Maintenance ................................................................. 35
Table 4-1 Sensor Signal State Table .............................................................. 65