Table Of Contents; Contents; Safety Precautions - EdgeStar IB450SSP Service Manual

CONTENTS

CONTENTS................................................................................................................................................... 1
SAFETY PRECAUTIONS ............................................................................................................................. 1
ELECTRICAL SAFETY ............................................................................................................................. 2
GENERAL SAFETY .................................................................................................................................. 3
IB450SSP INTRODUCTION ......................................................................................................................... 4
COOLING SYSTEM OVERVIEW ............................................................................................................. 4
COOLING SYSTEM PARTS LIST ............................................................................................................ 5
WATER SYSTEM ..................................................................................................................................... 6
ELECTRICAL SYSTEM ............................................................................................................................ 7
IB450SSP CONTROLS / CONTROL BOX ................................................................................................... 8
LEDS AND BUTTONS .............................................................................................................................. 8
ICE CUBE SIZE ADJUSTMENT GUIDE: ................................................................................................. 8
EXPLODED VIEW DIAGRAM..................................................................................................................... 10
PARTS LIST ................................................................................................................................................ 11
TROUBLESHOOTING ................................................................................................................................ 12
ADVANCED TROUBLESHOOTING GUIDE .............................................................................................. 13
REPLACING WATER SYSTEM COMPONENTS....................................................................................... 18
REPLACING THE WATER PUMP ......................................................................................................... 18
REPLACING THE WATER INLET VALVE ............................................................................................. 18
REPLACING COOLING SYSTEM COMPONENTS ................................................................................... 19
REPLACING THE COMPRESSOR START RELAY AND OVERLOAD PROTECTOR. ....................... 19
REPLACING THE FAN MOTOR. ........................................................................................................... 19
REPLACING THE HOT GAS VALVE AND FILTER DRYER. ................................................................ 19

SAFETY PRECAUTIONS

WARNING: This manual and the information contained herein is intended for use by certified
technicians. The manufacturer or seller is not responsible for the interpretation or misuse of the
information provided, nor does it assume any liability in connection with its use.
The safeguards and warnings indicated in this manual do not cover all possible conditions which
may occur. Common sense, caution, and care must be exercised.

To prevent electric shock, always unplug an appliance from the power supply before attempting
any service.

Disconnect the power cord by grasping the plug, not the cord.

Do not bypass, cut, or remove the grounding plug.

Prevent water from spilling onto electric elements or the machine parts.

Always refer to the rating label on the appliance for rated current and voltage.

Always check line voltage and amperage.

Always use exact replacement parts.

Any attempt to repair a major appliance may result in personal injury and property damage.
1