Alpha Technologies AlphaGen 5.0kW Auxiliary Power Unit User Manual
Cable series
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Table of contents
Document Outline
- Table of Contents
- 1.1 System Enclosure Overview
- 1.2 Specifications
- 1.3 APU Overview
- 1.4 Engine Control Module Overview
- 1.5 Generator Modes of Operation
- 1.5.1 Normal Operating Condition
- 1.5.2 Standby Operating Condition (less than 10 minutes)
- 1.5.3 Standby Operating Condition (more than 10 minutes)
- 1.5.4 Normal APU Shutdown
- 1.5.5 Abnormal APU Shutdown
- 1.5.6 ECM Operating Mode Summary
- 1.6 Operator's Interface Overview
- 1.7 ECM Alarm Overview
- 1.8 Ignition Battery Charger Overview
- 1.9 Propane Enclosure Overview
- 2.1 Appearance and condition of components
- 2.2 Initial Operation
- 2.2.1 Ignition Battery Test Procedure
- 2.2.2 Engine Lubrication
- 2.2.3 Starting a Local APU Test
- 2.3 Generator System Sensor Verification
- 2.3.1 Enclosure Alarm Verification
- 2.3.2 AC and DC line Sense Verification
- 3.1 Cleaning and Lubrication
- 3.2 Scheduled Maintenance
- 3.2.1 Maintenance Intervals
- 3.2.2 ECM Service Required Notification
- 3.2.3 ECM Self-Test Features
- 3.3 Servicing the APU
- 3.4 Filter Cleaning
- 3.5 PAD SHEAR Magnetic Switch and Water Intrusion Float
- 3.6 Replacing GAS HAZARD Sensor
- 3.7 Replacing Ignition Battery Charger Module Assembly
- 3.8 Replacing Engine Control Module
- 3.9 Replacing Flexible Gas Hose
- 3.10 Fuel Conversion - Natural Gas to Liquid Propane
- 3.10.1 Pre-regulator/Low Fuel Pressure Switch Replacement
- 3.10.2 Dual-Fuel Load Block Conversion
- 3.11 Fan Replacement Procedure
- 3.12 Muffler Replacement Procedure
- 3.13 Muffler Exhaust Flange Gasket Replacement Procedure
- 3.14 Gas Solenoid Replacement Procedure
- 3.15 Replacing Cabinet Exhaust Duct Upper Seal
- 3.16 Removal and Replacement of Generator Set
- 3.17 Maxitrol Pre-Regulator Calibration
- 4.1 Alarm Sensor States
- 4.2 ECM Interface Topology and Connectors
- 4.3 Connectors
- 4.3.1 Gas Hazard Alarm Interface
- 4.3.2 Low Fuel Pressure Interface Connector
- 4.3.3 Solenoid
- 4.3.4 Charger Module - Control Interface Connector
- 4.3.5 Charger Module - Output Interface Connector
- 4.3.6 APU Ignition Battery Interface Connector
- 4.3.7 Alarm Control Interface to APU Interface Connector (APU-I/O)
- 4.3.8 ECM PWR-GRI Interface
- 4.3.9 ECM-PWR GRI Enclosure Sensor Interface Ribbon Cable
- 4.3.10 ECM and PWR-GRI Interface Ribbon Cable
- 4.3.11 Analog and Logic Power Interface Ribbon Cable
- 4.3.12 ECM - Enclosure Alarm Interface
- 4.3.13 Inverter Battery DC Sense Interface Connector
- 4.3.14 Battery Charger Control Interface Connector
- 4.3.15 ECM - APU Control Interface
- 4.3.16 ECM - AC Sense 120/240V Interface
- 4.3.17 ECM - Alarm Interface & Communications
- List of Figures
- Fig. 1-1 System enclosure
- Fig. 1-3 Cabinet Component layout
- Fig. 1-5 System Block Diagram
- Fig. 1-6 Location of Engine Control Module w/in the E-G Cabinet.
- Fig. 1-7 Front view, Engine Control Module (ECM)
- Fig. 1-8 Detail of Run-Auto-Stop (RAS) switch
- Fig. 1-9 Wiring for ECM, Ignition Battery Charger, and Ignition Battery
- Fig. 1-10 Overhead view, airflow patterns
- Fig. 1-11 Airflow patterns, CE-X Enclosure
- Fig. 1-12 Airflow patterns, CE-G Enclosure
- Fig. 2-1 Location of APU Control Board
- Fig. 2-2
- Generator set master switch
- Fig. 2-3
- Location of ECM Run/Auto/Stop switch
- Fig. 3-1 APU compartment
- Fig. 3-2 Access Panel and Air Filter
- Fig. 3-3 Air Filter Removal
- Fig. 3-4 Primary Regulator Gas Pressure Adjustment
- Fig. 3-5 Regulator Calibration Component Arrangement
- Fig. 3-6 Secondary Regulator Component Location
- Fig. 4-1 ECM/APU Interconnection
- Fig. 4-2 Gas Hazard Detector Interface
- Fig. 4-3 Low Fuel Pressure Switch Interface
- Fig. 4-4 Gas Solenoid Interface Connector
- Fig. 4-5 Charger Control Interface
- Fig. 4-6 Charger Output Interface
- Fig. 4-7 APU Ignition Battery Connector
- Fig. 4-8 Alarm Control Interface Connector
- Fig. 4-9 ECM Printed Circuit Boards
- Fig. 4-10 ECM-PWR GRI Enclosure Sensor Interface Ribbon Cable
- Fig. 4-11 ECM and PWR-GRI Interface Ribbon Cable
- Fig. 4-12 Analog/Logic Power Interface connection
- Fig. 4-13 Enclosure Alarm Interface
- Fig. 4-14 Inverter Battery DC Sense
- Fig. 4-15 Charger Control Interface Connector
- Fig. 4-17 AC Sense, 120/240V Interface
- Fig. 4-18 RS-485 Communications Input Connector
- Fig. 4-19 Transponder Interface Connector
- Fig. 4-21 Transponder-to-ECM interconnect cable, remote applications
- Fig. 4-20 Transponder-to-ECM interconnect cable
- Fig. 4-22 ECM, SCM connector arrangement
- Fig. 4-23 SCM-to-ECM interconnect cable
- Fig. 4-24 RS-485-to-ECM interconnect cable
- List of Tables