A CU MANUAL
IOM-14 2 of 46 Feb 06 R4
TABLE OF CONTENTS
YOU HAVE RESPONSIBILITIES TOO ................................................................................................................................... 3
INTRODUCTION ................................................................................................................................................................ 3
SAFETY PRECAUTIONS ...................................................................................................................................................... 3
WARRANTY ....................................................................................................................................................................... 4
PARTS ................................................................................................................................................................................ 4
RECEIVING ......................................................................................................................................................................... 5
TEMPORARY STORAGE ..................................................................................................................................................... 5
INSTALLATION ................................................................................................................................................................... 5
CODES ............................................................................................................................................................................... 6
In Canada: ......................................................................................................................................................................... 6
In USA: .............................................................................................................................................................................. 6
MINIMUM CLEARANCE FOR SERVICE AND TO COMBUSTIBLES IN INCHES (mm) ............................................................ 6
QUALIFIED INSTALLER ....................................................................................................................................................... 7
COMPONENT LOCATIONS ................................................................................................................................................. 7
PIPING RECOMMENDATIONS ........................................................................................................................................... 8
PIPE SELECTION PROCEDURE ......................................................................................................................................... 17
PIPING MATERIALS AND PROCEDURES .......................................................................................................................... 23
CLEARANCE FOR CONDENSER AIR FLOW ....................................................................................................................... 25
LIFTING............................................................................................................................................................................ 26
MOUNTING ..................................................................................................................................................................... 26
SHIPPING MATERIALS ..................................................................................................................................................... 27
ASSEMBLY ....................................................................................................................................................................... 27
PIPING, ELECTRICAL OR CONTROL SERVICE CONNECTIONS ........................................................................................... 27
ELECTRICAL INSTALLATION ............................................................................................................................................. 28
BEFORE START-UP .......................................................................................................................................................... 29
START-UP CHECK LIST ..................................................................................................................................................... 29
INITIAL START-UP ............................................................................................................................................................ 33
CHARGING ...................................................................................................................................................................... 33
OPERATION ..................................................................................................................................................................... 34
SHUTDOWN PROCEDURE ............................................................................................................................................... 35
MAINTENANCE ............................................................................................................................................................... 36
ELECTRICAL ..................................................................................................................................................................... 36
BELT ADJUSTMENT ......................................................................................................................................................... 36
BEARING SETSCREW TORQUES ....................................................................................................................................... 38
FILTERS ............................................................................................................................................................................ 41
CONTROLS ...................................................................................................................................................................... 42
OUTDOOR AIR INTAKES, MIXING SECTIONS AND DAMPERS.......................................................................................... 42
REFRIGERATION .............................................................................................................................................................. 42
TROUBLESHOOTING CHART........................................................................................................................................... 45
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