INTRODUCTION
To the owner or user: The service manual you are
reading is intended to provide you, and the
maintenance or service technician, with the
information needed to install, start up, clean,
maintain, and service this ice system.
The ice machines covered in this manual are a
remote condenser type modular ice system that
fits a variety of Scotsman storage bins. They
feature: front service for the freezer, gear motor,
control box, water reservoir, and bin control; an
electronic circuit for monitoring ice and water level;
a thermostatic expansion valve; and R-404A as
the refrigerant.
TABLE OF CONTENTS
FOR THE INSTALLER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 2
REMOTE CONDENSER SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . Page 3
FOR THE INSTALLER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 4
FOR THE INSTALLER: Remote Condenser . . . . . . . . . . . . . . . . . . . . . . . . . . Page 5
FOR THE INSTALLER: Precharged Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 6
FOR THE INSTALLER: Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 7
FOR THE PLUMBER . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 8
FOR THE ELECTRICIAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 9
FOR THE ELECTRICIAN: Fan Relay Kit . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 10
FOR THE ELECTRICIAN: Fan Relay Kit Phasing (Do After Start Up) . . . . . . . . . . . . . Page 11
FOR THE INSTALLER: Completed Installation . . . . . . . . . . . . . . . . . . . . . . . . . Page 12
FOR THE INSTALLER: Final Check List . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 13
START UP . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 14
COMPONENT DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 15
COMPONENT DESCRIPTION: Control Box . . . . . . . . . . . . . . . . . . . . . . . . . . Page 16
ELECTRICAL SEQUENCE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 17
OPERATION: Water . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 18
OPERATION: Refrigeration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 19
MAINTENANCE AND CLEANING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 21
SERVICE DIAGNOSIS: Condition - No Ice Being Produced . . . . . . . . . . . . . . . . . . Page 24
SERVICE DIAGNOSIS: Condition - Low Ice Production . . . . . . . . . . . . . . . . . . . . Page 27
REMOVAL AND REPLACEMENT: Water Reservoir & Bin Controls . . . . . . . . . . . . . . Page 28
REMOVAL AND REPLACEMENT: Bearing And Breaker . . . . . . . . . . . . . . . . . . . Page 29
REMOVAL AND REPLACEMENT: Auger . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 30
REMOVAL AND REPLACEMENT: Water Seal . . . . . . . . . . . . . . . . . . . . . . . . . Page 31
REFRIGERATION SYSTEM SERVICE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 32
REMOVAL AND REPLACEMENT: Evaporator . . . . . . . . . . . . . . . . . . . . . . . . . Page 33
REMOVAL AND REPLACEMENT: Gear motor Assembly . . . . . . . . . . . . . . . . . . . Page 34
CIRCUIT BOARD TESTING . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Page 35
Parts Lists and Wiring Diagrams are located in the center of this manual, printed on
yellow paper.
This Manual Was Printed On
Recycled Paper
NME950R & FME1200R
February 1995
Page 1