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CME1856W
Introduction
This product manual contains the information
needed for the setup, installation, initial start up,
sanitation and maintenance of this ice machine.
Keep it for future reference.
This machine incorporates advanced technology,
including a scroll compressor.
Be certain that the information applies to the model
in question. If no model is listed, the information
applies to all models.
This manual is organized in the same way as the
expected use of the machine, it begins with
specifications, goes thru unpacking and setup,
shows where everything is; continues with initial
start up, then describes how it works. After that is
the sanitation section, followed by service
diagnosis and repair.
All Scotsman CM3 models, like this one, feature
Scotsmans AutoIQ control system and
ReliaClean water system cleaning process.
CME1856W
November 2001
Page 1
TABLE OF CONTENTS
Specifications � � � � � � � � � � � � PAGE 2
Ice Machine Layouts � � � � � � � � � PAGE 3
Pre-Installation � � � � � � � � � � � � PAGE 4
Location & Assembly
� � � � � � � � PAGE 5
Bin Control: Installation � � � � � � � PAGE 6
Bin Control � � � � � � � � � � � � � � PAGE 7
For The Installer:
� � � � � � � � � � PAGE 8
Electrical � � � � � � � � � � � � � � � PAGE 9
Plumbing � � � � � � � � � � � � � � � PAGE 10
Stacking Kit - KSCME6-LG-B � � � � PAGE 11
Stacking � � � � � � � � � � � � � � � PAGE 12
After Utility Connections � � � � � � � PAGE 13
Component Location and Function � PAGE 14
System Controller � � � � � � � � � � PAGE 15
Initial Start Up � � � � � � � � � � � � PAGE 16
Adjustments � � � � � � � � � � � � � PAGE 17
How To Operate The Controller � � � PAGE 18
How The Electronic Cuber Works � � PAGE 19
How The Electronic Cuber Works � � PAGE 20
Startup: Three Phase Compressor
� PAGE 21
Technicians Only: Freeze Cycle Sequence
� � � � � � � � � � � � � � � � � � � � PAGE 22
Technicians Only: Harvest Cycle Sequence &
Other Notes � � � � � � � � � � � � � PAGE 23
Sanitation and Cleaning � � � � � � � PAGE 24
Additional Maintenance � � � � � � � PAGE 25
Additional Maintenance: Water Distributors
� � � � � � � � � � � � � � � � � � � � PAGE 26
Additional Maintenance: Inlet Water Valve Screen
� � � � � � � � � � � � � � � � � � � � PAGE 27
Additional Maintenance: Ice Sensors, Condenser
� � � � � � � � � � � � � � � � � � � � PAGE 28
Service Diagnosis: Diagnostic Light Analysis
� � � � � � � � � � � � � � � � � � � � PAGE 29
Service Diagnosis � � � � � � � � � � PAGE 30
Service Diagnosis: Components � � � PAGE 31
Service Diagnosis � � � � � � � � � � PAGE 32
Operational Characteristics: CME1856W
� � � � � � � � � � � � � � � � � � � � PAGE 33
Suction Pressure
� � � � � � � � � � PAGE 34
Removal and Replacement � � � � � PAGE 35
Removal and Replacement � � � � � PAGE 36
Controller Features & Last Error Recall
� � � � � � � � � � � � � � � � � � � � PAGE 37
Removal and Replacement: System Controller
� � � � � � � � � � � � � � � � � � � � PAGE 38
Removal and Replacement:
� � � � PAGE 39
Removal and Replacement � � � � � PAGE 40
Refrigerant � � � � � � � � � � � � � � PAGE 41
Liquid Charging � � � � � � � � � � � PAGE 42
Before Calling for Service � � � � � � PAGE 43
Index � � � � � � � � � � � � � � � � � PAGE 44
Printed on recycled paper.
Service parts list & wiring diagrams located
in the middle of this manual. Specifications
This ice machine is designed to be installed
indoors, in a controlled environment. While it can
operate satisfactorily under a wide variety of
conditions, do NOT operate the machine in
temperatures it has not been designed for. Do
NOT operate the machine above or below the
voltage limits for the particular model. Do NOT
operate the machine with too little or too much
water pressure.
Operational Limits
Minimum
Maximum
Air Temperature
50oF.
100oF.
Potable Water Supply
Temperature
40oF.
100oF.
Condenser Water
Inlet Temperature
40
o
F.
1
00
o
F.
Water Pressure
20 psi
80 psi
Voltage (60 Hz)
197
253
Scotsman reserves the right to make design
changes and/or improvements at any time.
Specifications and designs are subject to change
without notice.
Scotsman assumes no liability or responsibility of
any kind for products manufactured by Scotsman
that have been altered in any way, including the
use of any parts and/or other components not
specifically approved by Scotsman.
Bins:
All models will fit a standard, 48" wide or wider
open top Scotsman Ice Storage Bin. Some
examples are: BH900 BH1370 BH1356 BH1650 BH1000 (requires kit KBT21)
In addition, there may be other bins that can be
used, check Scotsmans sales literature for
application information.
Note: Slope-front bins must have an internal baffle.
Scotsman BH900 and BH1000 have the required
baffle. Baffle must be approximately in the position
shown in the diagram below.
CME1856W
November 2001
Page 2
Model Number
Dimensions
W x D x H
(w/o bin)
Basic Electrical
(volts/Hz/phase)
Condenser
Water
Supply
Refrigerant
Charge
R-404A
Minimum
Circuit
Ampacity
Maximum
Fuse Size
CME1856WS-32
48 � x 24" x 28
208-230/60/1
GPH 107*
60
30
40
CME1856WS-3
same
208-230/60/3
GPH 107*
60
20
30
*Condenser only @90/70
If the numbers on the nameplate are different than the above, use the nameplates information.
The stacking kit required to place two like model cubers together is: KSCME6-LG-B.
BASIC INFORMATION
12.0"
4.0"
Side View
Baffle CME1856W
November 2001
Page 3
Ice Machine Layouts Pre-Installation
Other Applications:
Check sales literature for additional information.
Electrical:
Check the nameplate for electrical requirements.
The nameplate is located on the back of the ice
machine. If the information on the nameplate is
different from other published information, go by
the nameplate data.
While the model and
serial number are on
the nameplate, a
serial number plate is
located at the front of
the machine, behind
the left front panel
and to the right of the
purge valve.
Water:
There is no such thing as pure water. All water
contains some impurities. There are two ways
water carries the impurities: suspended and
dissolved. Suspended solids can be filtered out.
Dissolved solids must be diluted or treated. Water
filters are recommended to remove suspended
solids. Some filters have treatment in them for
suspended solids. Check with a water treatment
service for a recommendation.
Cube Ice machines use more water than what
ends up in the bin as ice. While most water is used
during ice making, a portion is designed to rinse"
out the water system to keep hard water scale
from clogging up the machine. That water rinse,
combined with water filters, prolongs the times
between needed water system cleaning.
Service Technicians: All models covered here
come set from the factory with at a Standard
water rinse. Standard water rinse is designed to be
compatible with typical water conditions. The
ReliaClean water system provides an
adjustment method so the amount of water rinsed
out of the machine per cycle can be changed. If
the prior ice machine worked acceptably well with
the local water conditions, leave the machine at
the factory setting. If severe water conditions are
present, and water filters do not solve the problem
acceptably, adjust the machine to use more water.
If water conditions are excellent, adjust the
machine to use less water. See the Adjustments
section.
Note: Water use adjustments are customer
convenience adjustments; they are NOT factory
defects and are NOT covered by warranty.
CME1856W
November 2001
Page 4
Nameplate
Serial Number Plate Location & Assembly
Locate the ice machine indoors. A 6 inch minimum
clearance on the back and left sides is required for
the proper operation and service of this machine.
Unpacking and Assembly:
Begin with unpacking the ice storage bin. Remove
the carton, and using part of the carton as a
cushion, tip the bin on its back to remove the skid
and attach the legs or casters. Note: Stacked
applications may not use casters.
Return the bin to an upright position. Check the bin
top gasket for gaps and tears, fill any in with food
grade sealant prior to placing the ice machine on
the bin.
Note: If recycling a prior bin, be sure that the bin
top gasket is in good condition or seal the ice
machine to the bin with food grade sealant.
Level the top edge of the bin front to back and left
to right.
If the ice machine has not been unpacked, do so
now. Remove the carton from the skid. Remove
shipping straps.
Remove the front and left panels. Remove the
compressor shipping bracke