2
LT-2044
TABLE OF CONTENTS
IMPORTANT SAFEGUARDS ....................................................................................... 3
GENERAL INFORMATION
Introduction ..................................................................................................... 4
Functional Description ............................................................................................. 4
UNPACKING AND SET UP
Control Panel .................................................................................................... 4
Set Up & Operating Instructions ..................................................................................... 5
MAINTENANCE
Alert System .................................................................................................... 6
Periodic Provider Maintenance ...................................................................................... 6
Provider's Notes ................................................................................................. 7
TROUBLESHOOTING
System Operation ................................................................................................ 8
Normal Operating Sequence ........................................................................................ 8
Simplified Troubleshooting ......................................................................................... 9
COMPONENT DESCRIPTION AND FUNCTION
2-Way Proportional Valve .......................................................................................... 11
4-Way Valve .................................................................................................... 11
Accumulator Tank ................................................................................................ 11
Battery Pack .................................................................................................... 11
Cover .......................................................................................................... 11
Compressor ..................................................................................................... 11
Final Bacteria Filter ............................................................................................... 11
Intake Silencer/Filter .............................................................................................. 11
Molecular Sieve Beds ............................................................................................. 11
Motor Control Board .............................................................................................. 11
Motor Mount System .............................................................................................. 11
Pressure Regulator ............................................................................................... 11
Printed Circuit Board (PC Board) .................................................................................... 11
Pressure Switch ................................................................................................. 11
Purge Valve ..................................................................................................... 11
Sieve Bed Check Valves ........................................................................................... 11
COMPONENT TESTING, REPAIR, AND REPLACEMENT
Proper Repair and Replacement Procedures ........................................................................... 12
Keypad/Light Panel ............................................................................................... 12
Battery Pack .................................................................................................... 13
Covers ......................................................................................................... 13
Control Panel .................................................................................................... 13
Exhaust Muffler .................................................................................................. 14
Hour Meter ..................................................................................................... 14
Motor Mounts ................................................................................................... 14
Oxygen Outlet ................................................................................................... 14
ORDERING INFORMATION AND PARTS LIST
DeVilbiss Customer Service Contact Information ........................................................................ 15
Ordering Replacement Parts ........................................................................................ 15
Parts List ....................................................................................................... 15
SPECIFICATIONS ................................................................................................ 16
SYMBOLS & DEFINITIONS ........................................................................................ 17
FIGURES, DIAGRAMS, AND VIEWS
Index .......................................................................................................... 17
Diagrams ....................................................................................................... 18
Figures/Views ................................................................................................... 20
GUIDANCE AND MANUFACTURER’S DECLARATION ................................................................. 31