Wintech Brand's Products

Preface

031-132-B0-001 Rev. A

5.0kW

Auxiliary Power Unit

Table of Contents

Section 1, System Overview

1.1 System Enclosure Overview .................................................................. 13

1.2 Specifications ........................................................................... 15

1.3 APU Overview ........................................................................... 16

1.4 Engine Control Module Overview............................................................17

1.5 Generator Modes of Operation ............................................................... 19

1.5.1 Normal Operating Condition ...........................................................19

1.5.2 Standby Operating Condition (less than 10 minutes) ......................... 19

1.5.3 Standby Operating Condition (more than 10 minutes) ....................... 19

1.5.4 Normal APU Shutdown ..................................................................20

1.5.5 Abnormal APU Shutdown ...............................................................20

1.5.6 ECM Operating Mode Summary ...................................................... 21

1.6 Operators Interface Overview ...............................................................22

1.7 ECM Alarm Overview ........................................................................... 24

1.8 Ignition Battery Charger Overview ......................................................... 25

1.9 Propane Enclosure Overview ................................................................. 26

Section 2, Turn Up and Test

2.1 Appearance and condition of components................................................ 28

2.2 Initial Operation ........................................................................... 28

2.2.1 Ignition Battery Test Procedure ......................................................28

2.2.2 Engine Lubrication ........................................................................29

2.2.3 Starting a Local APU Test............................................................... 29

2.3 Generator System Sensor Verification .....................................................32

2.3.1 Enclosure Alarm Verification .......................................................... 32

2.3.2 AC and DC line Sense Verification ................................................... 33

Section 3, Maintenence

3.1 Cleaning and Lubrication ...................................................................... 34

3.2 Scheduled Maintenance ........................................................................ 35

3.2.1 Maintenance Intervals ................................................................... 35

3.2.2 ECM Service Required Notification .................................................. 36

3.2.3 ECM Self-Test Features .................................................................. 37

3.3 Servicing the APU ........................................................................... 40

3.4 Filter Cleaning ........................................................................... 41

3.5 PAD SHEAR Magnetic Switch and Water Intrusion Float ............................. 42

3.6 Replacing GAS HAZARD Sensor .............................................................44

3.7 Replacing Ignition Battery Charger Module Assembly ................................ 46