S600M Model
Ice Machines
Installation
Use and Care
Manual
Thank you for selecting a Manitowoc Ice Machine, the dependability leader in ice making equipment and related
products. With proper installation, care and maintenance, your new Manitowoc Ice Machine will provide you with many
years of reliable and economical performance.
This manual is updated as new information and models
are released. Visit our website for the latest manual.
Part Number 80-1629-3
05/2005
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Table of Contents (continued)
Section 1
General Information
Model Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
How to Read a Model Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ice Cube Sizes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Bin Caster . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-1
1-1
1-1
1-2
1-2
Ice Bagger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Guardian Sachet Packets . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Arctic Pure Water Filter System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Manitowoc Cleaner and Sanitizer . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AuCS® Automatic Cleaning System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Dispenser . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-2
1-2
1-2
1-2
1-2
1-2
Model/Serial Number Location . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Owner Warranty Registration Card . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-3
1-4
1-4
Warranty Coverage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-4
1-4
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Labor . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exclusions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Authorized Warranty Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-4
1-4
1-4
1-4
Section 2
Installation Instructions
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1
2-1
2-1
Ice Machine Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
S600M Water-Cooled Ice Machines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ice Storage Bin Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-3
2-3
30 inch (76 cm) Ice Storage Bins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
22 Inch (56 cm) Ice Storage Bins . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-3
Remote Condenser Dimensions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-3
2-3
JC0495 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Location of Ice Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ice Machine Heat of Rejection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removing Drain Plug and Leveling the Ice Storage Bin . . . . . . . . . . . . . . . .
Electrical Service . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-4
2-4
2-5
2-6
2-6
Voltage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Minimum Circuit Ampacity . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Electrical Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-6
2-6
2-6
Self-Contained Electrical Wiring Connections . . . . . . . . . . . . . . . . . . . . . . . .
2-7
2-7
Self Contained Ice Machine 115/1/60 or 208-230/1/60 . . . . . . . . . . . . . . . .
Self Contained Ice Machine 208-230/3/60 . . . . . . . . . . . . . . . . . . . . . . . . .
Self Contained Ice Machine 230/1/50 . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-7
2-7
For United Kingdom Only . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Water Supply and Drain Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Water Supply . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-7
2-8
2-8
Water Inlet Lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Drain Connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-8
2-8
Cooling Tower Applications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-8
2-9
Water Supply and Drain Line Sizing/Connections . . . . . . . . . . . . . . . . . . .
Installation Check List . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Before Starting the Ice Machine . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AuCS® Automatic Cleaning System . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-10
2-11
2-11
Part No. 80-1629-3
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Table of Contents (continued)
Section 3
Ice Machine Operation
Component Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sequence Of Operation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Initial Start-Up or Start-Up After Automatic Shut-Off . . . . . . . . . . . . . . . . . .
3-1
3-2
3-2
Freeze Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Harvest Sequence . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Automatic Shut-Off . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Warm Water Rinse Cycle . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-2
3-3
3-3
3-3
3-3
Operational Checks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-4
3-4
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Water Level . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ice Thickness Check . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Harvest Sequence Water Purge . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
3-4
3-4
3-5
Section 4
Maintenance
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Ice Machine Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Exterior Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Water-Cooled Condenser and Water Regulating Valve . . . . . . . . . . . . . . . . .
AlphaSan . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Guardian . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Guardian Sachet Replacement Frequency . . . . . . . . . . . . . . . . . . . . . . . . .
4-1
4-1
4-1
4-1
4-1
4-2
4-2
Sachet Replacement Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Clean Up Procedure for Damaged Sachet Packet . . . . . . . . . . . . . . . . . . .
4-2
4-2
Interior Cleaning and Sanitizing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-3
4-3
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Cleaning Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Sanitizing Procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal of Parts For Cleaning/Sanitizing . . . . . . . . . . . . . . . . . . . . . . . . . .
4-3
4-4
4-5
Removing the Front Panels . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Removal from Service/Winterization . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
General . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-11
4-12
4-12
Water-Cooled Ice Machines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
AuCS Accessory . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-12
4-12
Section 5
Before Calling For Service
Checklist . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Safety Limit Feature . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-1
5-2
2
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Section 1
General Information
Section 1
General Information
Model Numbers
How to Read a Model Number
This manual covers the following models:
#
CUBE SIZE CONDENSER TYPE
Self-Contained
Water-Cooled
3
5
DICE WATER-COOLED
HALF-DICE WATER-COOLED
MARINE MODEL
SD0603WM
SY0605WM
S Y 0605 W M
NOTE: Model numbers ending in 3 indicate a 3-phase
unit. Example: SY0605WM3
ICE MACHINE
MODEL
ICE MACHINE
SERIES
ICE CUBE SIZE
CONDENSER TYPE
!
Warning
PERSONAL INJURY POTENTIAL
D
Y
DICE
HALF DICE
W SELF-CONTAINEDWATER-COOLED
Do not operate equipment that has been misused,
abused, neglected, damaged, or altered/modified
from that of original manufactured specifications.
Ice Cube Sizes
!
Warning
PERSONAL INJURY POTENTIAL
Remove all ice machine panels before lifting and
installing.
Regular
Dice
Half Dice
1-1/8" x 1-1/8" x 7/8"
7/8" x 7/8" x 7/8"
3/8" x 1-1/8" x 7/8"
2.86 x 2.86 x 2.22 cm 2.22 x 2.22 x 2.22 cm 0.95 x 2.86 x 2.22 cm
Part Number 80-1629-3
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General Information
Accessories
Section 1
MANITOWOC CLEANER AND SANITIZER
Manitowoc Ice Machine Cleaner and Sanitizer are
available in convenient 16 oz. (473 ml) bottles. These
are the only cleaner and sanitizer approved for use with
Manitowoc products.
Contact your Manitowoc distributor for these optional
accessories:
BIN CASTER
Replaces standard legs.
ICE BAGGER
Cleaner Part Number
Sanitizer Part Number
16 ounce Bottle - 94-0546-3 16 ounce Bottle - 94-0565-3
AuCS®-SO - 94-0546-3
AuCS®-SI - 40-1326-3
AuCS®-SO - 94-0565-3
AuCS®-SI - 40-1327-3
Maximize profits from bagged ice sales with this
convenient accessory. This sturdy unit rests on the bin
door frame, and adapts for left or right side filling.
AUCS® AUTOMATIC CLEANING SYSTEM
GUARDIAN™ SACHET PACKETS
This accessory reduces equipment cleaning expense.
The AuCS® accessory monitors ice making cycles and
initiates cleaning procedures automatically.
Guardian sachet packets release chlorine dioxide on a
controlled basis to inhibit the growth of bacteria and
slime.
DISPENSER
Guardian sachet packets are available through your
local Manitowoc Ice Machine dealer.
A counter-top dispenser is ideal for cafeterias and many
types of self-service facilities. Manitowoc auto-fill, floor-
standing ice dispensers meet the strict sanitary
requirements of the food service, lodging and health
care industries.
ARCTIC PURE™ WATER FILTER SYSTEM
Engineered specifically for Manitowoc ice machines,
This water filter is an efficient, dependable, and
affordable method of inhibiting scale formation, filtering
sediment, and removing chlorine taste and odor.
1-2
Part Number 80-1629-3
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Section 1
General Information
Model/Serial Number Location
These numbers are required when requesting
information from your local Manitowoc distributor, or
Manitowoc Ice, Inc.
The model and serial number are listed on the MODEL/
SERIAL NUMBER DECAL affixed to the ice machine,
remote condenser and storage bin.
SV13147
MODEL/SERIAL DECAL
LOCATION
Model/Serial Number Location
Part Number 80-1629-3
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General Information
Section 1
Owner Warranty Registration Card
GENERAL
EXCLUSIONS
The packet containing this manual also includes
warranty information. Warranty coverage begins the day
your new ice machine is installed.
The following items are not included in the ice machine’s
warranty coverage:
1. Normal maintenance, adjustments and cleaning.
Important
2. Repairs due to unauthorized modifications to the
ice machine or use of non-standard parts without
prior written approval from Manitowoc Ice, Inc.
Complete and mail the OWNER WARRANTY
REGISTARATION CARD as soon as possible to
validate the installation date.
3. Damage caused by improper installation of the ice
machine, electrical supply, water supply or drainage,
or damage caused by floods, storms, or other acts of
God.
If you do not return your OWNER WARRANTY
REGISTRATION CARD, Manitowoc will use the date of
sale to the Manitowoc Distributor as the first day of
warranty coverage for your new ice machine.
4. Premium labor rates due to holidays, overtime,
etc.; travel time; flat rate service call charges;
mileage and miscellaneous tools and material
charges not listed on the payment schedule.
Additional labor charges resulting from the
inaccessibility of equipment are also excluded.
Warranty Coverage
GENERAL
The following Warranty outline is provided for your
convenience. For a detailed explanation, read the
warranty bond shipped with each product.
5. Parts or assemblies subjected to misuse, abuse,
neglect or accidents.
6. Damage or problems caused by installation,
cleaning and/or maintenance procedures
inconsistent with the technical instructions
provided in this manual.
Contact your local Manitowoc Distributor, Manitowoc Ice,
need further warranty information.
7. This product is intended exclusively for
commercial application. No warranty is extended
for personal, family, or household purposes.
Important
This product is intended exclusively for commercial
application. No warranty is extended for personal,
family, or household purposes.
AUTHORIZED WARRANTY SERVICE
To comply with the provisions of the warranty, a
refrigeration service company qualified and
authorized by a Manitowoc distributor, or a
Contracted Service Representative must perform the
warranty repair.
PARTS
1. Manitowoc warrants the ice machine against defects
in materials and workmanship, under normal use
and service for three (3) years from the date of
original installation.
NOTE: If the dealer you purchased the ice machine from
is not authorized to perform warranty service, contact
your Manitowoc distributor or Manitowoc Ice, Inc. for the
name of the nearest authorized service representative.
2. The evaporator and compressor are covered by an
additional two (2) year (five years total) warranty
beginning on the date of the original installation.
Service Calls
LABOR
Normal maintenance, adjustments and cleaning as
outlined in this manual are not covered by the
warranty. If you have followed the procedures listed on
page 5-1 of this manual, and the ice machine still does
not perform properly, call your authorized service
company.
1. Labor required to repair or replace defective
components is covered for three (3) years from the
date of original installation.
2. The evaporator is covered by an additional two (2)
year (five years total) labor warranty beginning on
the date of the original installation.
1-4
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Section 2
General
Installation Instructions
Section 2
Installation Instructions
These instructions are provided to assist the qualified
installer. Check your local Yellow Pages for the name of
the nearest Manitowoc distributor, or call Manitowoc Ice,
Inc. for information regarding start-up services.
Important
Failure to follow these installation guidelines may
affect warranty coverage.
Ice Machine Dimensions
S600M WATER-COOLED ICE MACHINES
H
1.50" (3.81cm)
ELECTRICAL
8.50" (21.60cm)
AUCS
CONNECTIONS
A
6.50" (16.5cm)
B
CONDENSER WATER
OUTLET 1/2"FPT
(Water-Cooled Only)
2.61"
(6.62cm)
2.85" (7.30cm)
5.06" (12.85cm)
D
1.81"
(4.59cm)
6.68" (16.96cm)
AUXILLARY BASE DRAIN
1/2"CPVC SOCKET
7.75" (19.7 cm)
CONDENSER WATER
INLET 3/8"FPT
(Water-Cooled Only)
WATER INLET
3/8"FPT
4.25" (10.81 cm)
17.25" (43.81 cm)
DRAIN 1/2"NPTF
W
Ice Machine
Dimension A
Dimension B
Dimension W
30 in. (76.2 cm)
Dimension D
24.50 in. (62.2 cm)
Dimension H
21.5 in (54.6 cm)
S600M
11.5 in (29.2 cm)
9.0 in (22.9 cm)
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Installation Instructions
Location of Ice Machine
Section 2
Ice Machine Heat of Rejection
The location selected for the ice machine must meet the
following criteria. If any of these criteria are not met,
select another location.
Heat of Rejection
Series
Ice Machine
Air Conditioning
Peak
S600M
9000
13900
•
•
•
The location must be free of airborne and other
contaminants.
B.T.U./Hour
Because the heat of rejection varies during the ice making cycle,
the figure shown is an average.
The air temperature must be at least 35°F (1.6°C),
but must not exceed 110°F (43.4°C).
Ice machines, like other refrigeration equipment, reject
heat through the condenser. It is helpful to know the
amount of heat rejected by the ice machine when sizing
air conditioning equipment where self-contained air-
cooled ice machines are installed.
The location must not be near heat-generating
equipment or in direct sunlight and must be protected
from weather.
•
The location must not obstruct air flow through or
around the ice machine. Refer to the chart below for
clearance requirements.
This information is also necessary when evaluating the
benefits of using water-cooled or remote condensers to
reduce air conditioning loads. The amount of heat added
to an air conditioned environment by an ice machine
using a water-cooled or remote condenser is negligible.
S600M
Top/Sides
Back
Water-Cooled*
8" (20.3 cm)
5" (12.7 cm)
Knowing the amount of heat rejected is also important
when sizing a cooling tower for a water-cooled
condenser. Use the peak figure for sizing the cooling
tower.
*There is no minimum clearance required for water-cooled or
remote ice machines. This value is recommended for efficient
operation and servicing only.
Caution
!
The ice machine must be protected if it will be
subjected to temperatures below 32°F (0°C).
Failure caused by exposure to freezing
temperatures is not covered by the warranty. See
“Removal from Service/Winterization”.
2-2
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Section 2
Installation Instructions
Electrical Service
Important
GENERAL
Observe correct polarity of incoming line voltage.
!
Warning
Fuse/Circuit Breaker
All wiring must conform to local, state and national
codes.
A separate fuse/circuit breaker must be provided for
each ice machine. Circuit breakers must be H.A.C.R.
rated (does not apply in Canada).
VOLTAGE
MINIMUM CIRCUIT AMPACITY
The maximum allowable voltage variation is ±10% of the
rated voltage at ice machine start-up (when the electrical
load is highest).
The minimum circuit ampacity is used to help select the
wire size of the electrical supply. (Minimum circuit
ampacity is not the ice machine’s running amp load.)
The wire size (or gauge) is also dependent upon
location, materials used, length of run, etc., so it must be
determined by a qualified electrician.
!
Warning
The ice machine must be grounded in accordance
with national and local electrical codes.
ELECTRICAL REQUIREMENTS
Refer to Ice Machine Model/Serial Plate for voltage/
amperage specifications.
S Series Ice Machines (* indicates preliminary data)
Water Cooled
Voltage Phase
Ice Machine
Cycle
Maximum Fuse/Circuit
Minimum Circuit Amps
Breaker
208-230/1/60
15
15
7.9
6.1
S600M
230/1/50
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Installation Instructions
Section 2
Self-Contained Electrical Wiring Connections
SELF CONTAINED ICE MACHINE
208-230/3/60
!
Warning
These diagrams are not intended to show proper
wire routing, wire sizing, disconnects, etc., only the
correct wire connections.
L
L
L
1
1
2
All electrical work, including wire routing and
grounding, must conform to local, state and national
electrical codes.
L
L
2
Though wire nuts are shown in the drawings, the ice
machine field wiring connections may use either
wire nuts or screw terminals.
L
3
3
SELF CONTAINED ICE MACHINE
115/1/60 OR 208-230/1/60
GROUND
GROUND
TO SEPARATE
ICE MACHINE
CONNECTIONS
FUSE/BREAKER
SV1190
L
L
1
1
SELF CONTAINED ICE MACHINE
230/1/50
N=115V
OR
L2=208-230V
GROUND
L
1
L
GROUND
1
ICE MACHINE
CONNECTIONS
TO SEPARATE
FUSE/BREAKER
SV1258
N
N
GROUND
GROUND
TO SEPARATE
FUSE/BREAKER.
DISCONNECT ALL
POLES.
ICE MACHINE
CONNECTIONS
SV1191
For United Kingdom Only
As the colors of the wires in the mains lead of the appliance may not correspond with the colored markings
identifying the terminals in your plug, proceed as follows:
•
The wire which is colored green and yellow must be connected to the terminal in the plug which is marked with
the letter E or by the earth ground symbol or colored green or green and yellow.
•
•
The wire colored blue must be connected to the terminal which is marked with the letter N or colored black.
The wire colored brown must be connected to the terminal which is marked with the letter L or colored red.
2-4
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Section 2
Installation Instructions
DRAIN CONNECTIONS
Water Supply and Drain Requirements
Follow these guidelines when installing drain lines to
prevent drain water from flowing back into the ice
machine and storage bin:
WATER SUPPLY
Local water conditions may require treatment of the
water to inhibit scale formation, filter sediment, and
remove chlorine odor and taste.
•
•
•
•
Drain lines must have a 1.5 inch drop per 5 feet of
run (2.5 cm per meter), and must not create traps.
The floor drain must be large enough to
accommodate drainage from all drains.
Important
If you are installing a Manitowoc Arctic Pure™ water
filter system, refer to the Installation Instructions
supplied with the filter system for ice making water
inlet connections.
Run separate bin and ice machine drain lines.
Insulate them to prevent condensation.
Vent the bin and ice machine drain to the
atmosphere. Do not vent the condenser drain on
water-cooled models.
WATER INLET LINES
Follow these guidelines to install water inlet lines:
Cooling Tower Applications
•
Do not connect the ice machine to a hot water
supply. Be sure all hot water restrictors installed for
other equipment are working. (Check valves on sink
faucets, dishwashers, etc.)
A water cooling tower installation does not require
modification of the ice machine. The water regulator
valve for the condenser continues to control the
refrigeration discharge pressure.
•
If water pressure exceeds the maximum
recommended pressure, obtain a water pressure
regulator from your Manitowoc distributor.
It is necessary to know the amount of heat rejection, and
the pressure drop through the condenser and water
valves (inlet and outlet) when using a cooling tower on
an ice machine.
•
•
Install a water shut-off valve for both the ice making
and condenser water lines.
•
•
•
Water entering the condenser must not exceed 90°F
(32.2°C).
Insulate water inlet lines to prevent condensation.
Water flow through the condenser must not exceed 5
gallons (19 liters) per minute.
Caution
!
Do not apply heat to water valve inlet fitting. This will
damage plastic valve body.
Allow for a pressure drop of 7 psi (48 kPA) between
the condenser water inlet and the outlet of the ice
machine.
•
Water exiting the condenser must not exceed 110°F
(43.3°C).
Part Number 80-1629-3
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Installation Instructions
Section 2
WATER SUPPLY AND DRAIN LINE SIZING/CONNECTIONS
Caution
!
Plumbing must conform to state and local codes.
Tubing Size Up to Ice
Machine Fitting
Location
Water Temperature
Water Pressure
Ice Machine Fitting
35°F (1.6°C) Min.
20 psi (137.9 kPA) Min.
80 psi (551.5 kPA) Max.
3/8" (.95 cm) minimum
inside diameter
Ice Making
Water Inlet
3/8" Female Pipe
Thread
90°F (32.2°C) Max.
Ice Making
Water Drain
1/2" Female
Pipe Thread
1/2" (1.27 cm) minimum
inside diameter
---
---
40°F (4.4°C) Min.
20 psi (137.9 kPA) Min.
Condenser
Water Inlet
3/8" Female Pipe Thread
90°F (32.2°C) Max.
150 psi (1034.2 kPA) Max.
Condenser
Water Drain
1/2" Female
Pipe Thread
1/2" (1.27 cm) minimum
inside diameter
---
---
---
---
3/4" Female
Pipe Thread
3/4" (1.91 cm) minimum
inside diameter
Bin Drain
3/8” FPT ICE MAKING WATER INLET FITTING,
PLASTIC FITTING ON OPPOSITE SIDE DO NOT
APPLY HEAT
ELECTRICAL ENTRANCE
18” (46 CM) VENT TUBE
3/8” FPT CONDENSER WATER INLET
(WATER COOLED UNITS ONLY
1/2” DRAIN CONNECTION
PLASTIC FITTING ON OPPOSITE
SIDE DO NOT APPLY HEAT
1/2” FPT CONDENSER WATER DRAIN
(WATER COOLED UNITS ONLY)
1/2” (1.3 CM) MIN
DRAIN ID
1/2” CPVC SOCKET AUXILLARY BASE
DRAIN
AIR GAP
DO NOT TRAP DRAIN LINE,
LEAVE AIR GAP BETWEEN
DRAIN TUBE AND DRAIN
OPEN, TRAPPED AND
VENTED DRAIN
SV3142
Typical Water Supply Drain Installation
2-6
Part Number 80-1629-3
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Section 2
Installation Instructions
Installation Check List
F
F
Is the Ice Machine level?
F
F
Are the ice machine and bin drains vented?
Has all of the internal packing been
removed?
Are all electrical leads free from contact with
refrigeration lines and moving equipment?
F
F
F
F
Have all of the electrical and water
connections been made?
F
F
Has the owner/operator been instructed
regarding maintenance and the use of
Manitowoc Cleaner and Sanitizer?
Has the supply voltage been tested and
checked against the rating on the nameplate?
Has the owner/operator completed the
warranty registration card?
Is there proper clearance around the ice
machine for air circulation?
F
F
Has the ice machine and bin been sanitized?
Has the ice machine been installed where
ambient temperatures will remain in the
range of 35° - 110°F (1.6° - 43.3°C)?
Is the toggle switch set to ice? (The toggle
switch is located directly behind the front
panel).
F
Has the ice machine been installed where the
incoming water temperature will remain in the
range of 35° - 90°F (1.6° - 32.2°C)?
F
Is the ice thickness control set correctly?
(Refer to Operational Checks to check/set
the correct ice bridge thickness).
F
F
Is there a separate drain for the water-cooled
condenser?
Is there a separate drain for the bin?
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Installation Instructions
Section 2
AuCS® Automatic Cleaning System
Before Starting the Ice Machine
All Manitowoc ice machines are factory-operated and
adjusted before shipment. Normally, new installations do
not require any adjustment.
This optional accessory monitors ice making cycles and
initiates cleaning procedures automatically. The AuCS®
accessory can be set to automatically clean or sanitize
the ice machine every 2, 4 or 12 weeks. Refer to the
AuCS® Installation, Use and Care Manual for details.
To ensure proper operation, follow the Operational
Checks in Section 3 of this manual. Starting the ice
machine and completing the Operational Checks are the
responsibilities of the owner/operator.
Adjustments and maintenance procedures outlined in
this manual are not covered by the warranty.
!
Warning
Potential Personal Injury Situation
Do not operate equipment that has been misused.
abused, neglected, damaged, or altered/modified
from that of original manufactured specifications.
2-8
Part Number 80-1629-3
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Section 3
Ice Machine Operation
Section 3
Ice Machine Operation
Component Identification
Water Distribution Tube
Toggle Switch
Water Curtain
Dump Valve
Check Valve
sv3149
Ice Thickness
Probe
Curtain Retainer
Bin Switch
Water Level Probe
Water Inlet Location
Water Inlet Valve
Water Pump
(Located in Refrigeration Compartment)
sv3150
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Ice Machine Operation
Sequence Of Operation
Section 3
NOTE: The toggle switch must be in the ice position and
the water curtain must be in place on the evaporator
before the ice machine will start.
FREEZE SEQUENCE
3. Prechill
The compressor is on for 30 seconds (60 seconds initial
cycle) prior to water flow, to prechill the evaporator. The
water fill valve remains on until the water level probe is
satisfied.
INITIAL START-UP OR START-UP AFTER
AUTOMATIC SHUT-OFF
1. Water Purge
Before the compressor starts, the water pump and water
dump solenoid are energized for 45 seconds, to
completely purge the ice machine of old water. This
feature ensures that the ice making cycle starts with
fresh water.
4. Freeze
The water pump restarts after the prechill. An even flow
of water is directed across the evaporator and into each
cube cell, where it freezes. The water fill valve will cycle
on and then off one more time to refill the water trough.
The harvest valve(s) is also energized during water
purge, although it stays on for an additional 5 seconds
(50 seconds total on time) during the initial refrigeration
system start-up.
When sufficient ice has formed, the water flow (not the
ice) contacts the ice thickness probe. After
approximately 10 seconds of continual water contact,
the harvest sequence is initiated. The ice machine
cannot initiate a harvest sequence until a 6 minute
freeze lock has been surpassed.
When Used - The air compressor energizes for the last
10 seconds of the cycle.
2. Refrigeration System Start-Up
NOTE: Freeze lock is bypassed after moving the toggle
switch from OFF to ICE position for the first cycle only.
The compressor starts after the 45 second water purge,
and it remains on throughout the entire Freeze and
Harvest Sequences. The water fill valve is energized at
the same time as the compressor. The harvest valve(s)
remains on for 5 seconds during initial compressor start-
up and then shuts off.
At the same time the compressor starts, the condenser
fan motor (air-cooled models) is supplied with power
throughout the entire Freeze and Harvest Sequences.
The fan motor is wired through a fan cycle pressure
control, therefore it may cycle on and off. (The
compressor and condenser fan motor are wired through
the contactor. As a result, anytime the contactor coil is
energized, the compressor and fan motor are supplied
with power.)
3-2
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Section 3
Ice Machine Operation
HARVEST SEQUENCE
5. Water Purge
SAFETY TIMERS
The control board has the following non-adjustable
safety timers:
The harvest valve(s) opens at the beginning of the water
purge to divert hot refrigerant gas into the evaporator.
•
The ice machine is locked into the freeze cycle for 6
minutes before a harvest cycle can be initiated.
Freeze lock is bypassed after moving the toggle
switch from OFF to ICE position for the first cycle
only.
The water pump continues to run, and the water dump
valve energizes for 45 seconds to purge the water in the
sump trough. The water fill valve energizes (turns on)
and de-energizes (turns off) strictly by time. The water fill
valve energizes for the last 15 seconds of the 45-second
water purge.
•
•
The maximum freeze time is 60 minutes at which
time the control board automatically initiates a
harvest sequence (steps 5 & 6).
After the 45 second water purge, the water fill valve,
water pump and dump valve de-energize. (Refer to
“Water Purge Adjustment” for details.)
The maximum harvest time is 3.5 minutes at which
time the control board automatically initiates a freeze
sequence (steps 3 & 4).
6. Harvest
WARM WATER RINSE CYCLE
The harvest valve(s) remains open and the refrigerant
gas warms the evaporator causing the cubes to slide, as
a sheet, off the evaporator and into the storage bin. The
sliding sheet of cubes swings the water curtain out,
opening the bin switch.
Closing the back of the evaporator allows ice to build up
on the rear of the evaporator and the plastic evaporator
frame parts. After 200 freeze/harvest cycles have been
complete the control board will initiate a warm water
rinse.
The momentary opening and re-closing of the bin switch
terminates the harvest sequence and returns the ice
machine to the freeze sequence (Step 3 - 4.)
After the 200th harvest cycle ends:
•
The Clean and Harvest LED’s energize to indicate
the ice machine is in a warm water rinse.
When Used - The air compressor energizes after 35
seconds and remains energized throughout the entire
harvest cycle. The air compressor will automatically
energize for 60 seconds when the harvest cycle time
exceeded 75 seconds in the previous cycle.
•
The compressor and harvest valve remain
energized.
•
•
The water pump energizes.
The water inlet valve energizes until water contacts
the water level probe.
AUTOMATIC SHUT-OFF
7. Automatic Shut-Off
•
•
The compressor and harvest valve warm the water
for 5 minutes, then de-energize.
When the storage bin is full at the end of a harvest
sequence, the sheet of cubes fails to clear the water
curtain and will hold it open. After the water curtain is
held open for 30 seconds, the ice machine shuts off. The
ice machine remains off for 3 minutes before it can
automatically restart.
The water pump remains energized for an additional
5 minutes (10 minute total on time) then de-
energizes.
NOTE: The warm water rinse cycle can be terminated by
moving the toggle switch to the OFF position, then back to ICE.
The ice machine remains off until enough ice has been
removed from the storage bin to allow the ice to fall clear
of the water curtain. As the water curtain swings back to
the operating position, the bin switch re-closes and the
ice machine restarts (steps 1 - 2), provided the 3 minute
delay period is complete.
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Ice Machine Operation
Section 3
ICE THICKNESS CHECK
Operational Checks
The ice thickness probe is factory-set to maintain the ice
bridge thickness at 1/8" (.32 cm).
GENERAL
Manitowoc ice machines are factory-operated and
adjusted before shipment. Normally, new installations do
not require any adjustment.
NOTE: Make sure the water curtain is in place when
performing this check. It prevents water from splashing
out of the water trough.
To ensure proper operation, always follow the
Operational Checks:
1. Inspect the bridge connecting the cubes. It should
be about 1/8" (.32 cm) thick.
•
•
•
when starting the ice machine for the first time
after a prolonged out of service period
after cleaning and sanitizing
2. If adjustment is necessary, turn the ice thickness
probe adjustment screw clockwise to increase
bridge thickness, counterclockwise to decrease
bridge thickness. Set at 1/4” gap between ice
machine and evaporator as starting point, then
adjust to achieve a 1/8” bridge thickness.
NOTE: Routine adjustments and maintenance
procedures are not covered by the warranty.
WATER LEVEL
The water level sensor is set to maintain the proper
water level above the water pump housing. The water
level is not adjustable. If the water level is incorrect,
check the water level probe for damage (probe bent,
etc.). Clean the water level probe with ice machine
cleaner, rinse thoroughly and re-check operation. Repair
or replace the probe as necessary.
ADJUSTING SCREW
1/8” ICE BRIDGE THICKNESS
SV3132
Ice Thickness Check
3. Make sure the ice thickness probe wire and the
bracket do not restrict movement of the probe.
Water Level Probe Location
3-4
Part Number 80-1629-3
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Section 3
Ice Machine Operation
HARVEST SEQUENCE WATER PURGE
•
During the harvest sequence water purge, the water
fill valve energizes and de-energizes by time. The
water purge must be at the factory setting of 45
seconds for the water fill valve to energize during the
last 15 seconds of the water purge. If it is set to less
than 45 seconds, the water fill valve will not energize
during the water purge.
The harvest sequence water purge adjustment may be
used when the ice machine is hooked up to special
water systems, such as a de-ionized water treatment
system.
!
Warning
Disconnect electric power to the ice machine at the
electrical disconnect before proceeding.
Important
45 second
setting
The harvest sequence water purge is factory-set at
45 seconds. A shorter purge setting (with standard
water supplies such as city water) is not
recommended. This can increase water system
cleaning and sanitizing requirements.
0 second
setting
•
The harvest sequence water purge is factory set for
45 seconds. Repositioning the jumper will set the
harvest water purge to 0 seconds. This setting does
not affect the SeCs or AuCs (cleaning) sequences.
SV3139
SV3140
Water Purge Adjustment
For your safety and to eliminate errors, we recommend
that a qualified service technician make the harvest
water purge adjustment.
Part Number 80-1629-3
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Ice Machine Operation
Section 3
THIS PAGE INTENTIONALLY LEFT BLANK
3-6
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Section 4
General
Maintenance
Section 4
Maintenance
Water-Cooled Condenser
and Water Regulating Valve
You are responsible for maintaining the ice machine in
accordance with the instructions in this manual.
Maintenance procedures are not covered by the
warranty.
Symptoms of restrictions in the condenser water circuit
include:
•
•
•
•
Low ice production
!
Warning
High water consumption
High operating temperatures
High operating pressures
If you do not understand the procedures or the
safety precautions that must be followed, call your
local Manitowoc service representative to perform
the maintenance procedures for you.
If the ice machine is experiencing any of these symptoms,
the water-cooled condenser and water regulating valve
may require cleaning due to scale build-up.
We recommend that you perform the following
maintenance procedures a minimum of once every six
months to ensure reliable, trouble-free operation and
maximum ice production.
Because the cleaning procedures require special pumps
and cleaning solutions, qualified maintenance or service
personnel must perform them.
Ice Machine Inspection
®
AlphaSan
®
The goal of AlphaSan is to keep the plastic surfaces of
!
Warning
an ice machine cleaner, by reducing or delaying the
formation of bio-film. The active ingredient in
AlphaSan is the element silver in the form of silver ions
(Ag+). AlphaSan slowly releases silver ions via an ion
exchange mechanism. When AlphaSan is
compounded directly into a plastic part, a controlled
release of silver ions from the surface is regulated to
maintain an effective concentration at or near the
Disconnect electric power to the ice machine and
the remote condensing unit at the electric service
switch before cleaning the condenser.
®
®
®
Check all water fittings and lines for leaks. Also, make
sure the refrigeration tubing is not rubbing or vibrating
against other tubing, panels, etc.
®
Do not put anything (boxes, etc.) on the sides or back of
the ice machine. There must be adequate airflow
through and around the ice machine to maximize ice
production and ensure long component life.
surface of the plastic ice machine part. AlphaSan’s
unique ability to effectively control the release of silver
not only protects against undesired discoloration of the
plastic, but also will last the life of the plastic part.
Although AlphaSan helps prevent bio-film build up it
does not eliminate the need for periodic cleaning and
®
Exterior Cleaning
®
Clean the area around the ice machine as often as
necessary to maintain cleanliness and efficient
operation. Use cleaners designed for use with stainless
steel products.
maintenance. AlphaSan has no adverse effect on the
taste of the ice or beverage.
Sponge any dust and dirt off the outside of the ice
machine with mild soap and water. Wipe dry with a
clean, soft cloth.
Heavy stains should be removed with stainless steel
wool. Never use plain steel wool or abrasive pads. They
will scratch the panels.
Part Number 80-1629-3
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Maintenance
Section 4
Guardian™
Slime is a leading cause of ice machine breakdowns and
biological growth is a health concern. The Guardian™
system releases chlorine dioxide on a controlled basis to
inhibit the growth of bacteria and fungi that form slime
and cause malodors in the food zone of ice machines.
SACHET REPLACEMENT PROCEDURE
1. Loosen the front panel screws and remove panel.
The Guardian™ will not control mineral or other water
borne buildup. Your water quality will determine the
length of time before mineral buildup affects ice machine
performance. Mineral buildup must be removed as often
as necessary to ensure trouble-free operation of the ice
machine.
The Guardian™ sachet holder is included with the
sachet packets. Refer to installation/replacement
procedure to install/change sachet holder/packet.
Loosen
Screw
Inside Left
Front Door
Screw Location
2. Inside the front panel there are two thumbscrew
holes covered by stickers, pierce the sticker with a
screw driver.
Guardian
3. Attach the sachet holder to the front panel by
inserting the thumbscrews through the holes in the
sachet holder and tighten the thumbscrews.
4. Remove the new sachet packet from foil package
and install into holder. Removing the foil package
allows moisture in the air to activate the sachet
contents.
Guardian™ Location
5. Close the left front door and tighten the screw.
6. Discard the use sachet packet in the trash.
GUARDIAN™ SACHET REPLACEMENT
FREQUENCY
Sachet packet(s) require replacement every thirty (30)
days or whenever they come in direct contact with water.
Refer to chart below for requirements.
CLEAN UP PROCEDURE FOR DAMAGED SACHET
PACKET
1. Remove all ice from bin/dispenser and discard.
Ice Machine
Sachet Use
2. Initiate a cleaning and sanitizing sequence on the
ice machine (see next pages).
S600M
1
Guardian™ sachet packets are available through your
local Manitowoc ice machine dealer.
3. Clean the bin/dispenser. Flush the drain thoroughly
to prevent future drain blockage.
4. Sanitize the bin/dispenser.
5. Install a replacement sachet packet and reinstall all
panels.
4-2
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Section 4
Maintenance
Interior Cleaning and Sanitizing
Caution
!
GENERAL
Never use anything to force ice from the evaporator.
Damage may result.
Clean and sanitize the ice machine every six months for
efficient operation. If the ice machine requires more
frequent cleaning and sanitizing, consult a qualified
service company to test the water quality and
recommend appropriate water treatment. An extremely
dirty ice machine must be taken apart for cleaning and
sanitizing.
Step 3 Remove all ice from the bin.
Step 4 To start cleaning, place the toggle switch in the
CLEAN position. The water will flow through the water
dump valve and down the drain. The Clean light will turn
on to indicate the ice machine is in the Cleaning mode.
Step 5 Wait about two minutes or until water starts to
flow over the evaporator.
Caution
!
Use only Manitowoc approved Ice Machine Cleaner
(part number 94-0546-3) and Sanitizer (part number
94-0565-3). It is a violation of Federal law to use
these solutions in a manner inconsistent with their
labeling. Read and understand all labels printed on
bottles before use.
Step 6 Add the proper amount of Manitowoc Ice
Machine Cleaner to the water trough by pouring
between the water curtain and evaporator.
Model
Amount of Cleaner
S0600M
5 ounces (148 ml)
CLEANING PROCEDURE
Step 7 The ice machine will automatically time out a
ten minute cleaning cycle, followed by six rinse cycles,
and stop. The Clean light will turn off to indicate the
Cleaning cycle is completed. This entire cycle lasts
approximately 30 minutes.
Caution
!
Do not mix Cleaner and Sanitizer solutions together.
It is a violation of Federal law to use these solutions
in a manner inconsistent with their labeling.
Step 8 When the cleaning process stops, move the
toggle switch to OFF position. Refer to “Sanitizing
Procedure” on the next page.
!
Warning
Wear rubber gloves and safety goggles (and/or face
shield) when handling ice machine Cleaner or
Sanitizer.
Step 9
A. The ice machine may be set to start and finish a
self-cleaning procedure then automatically start
ice making again.
Ice machine cleaner is used to remove lime scale or
other mineral deposits. It is not used to remove algae or
slime. Refer to the section on Sanitizing for removal of
algae and slime.
B. You must wait about one minute into the
cleaning cycle (until water starts to flow over the
evaporator) then move the switch from CLEAN
to ICE position.
Step 1 Remove top cover. This will allow easiest
access for pouring cleaner.
C. When the self-cleaning cycle is completed, an
ice making sequence will start automatically.
Step 2 Set the toggle switch to the OFF position after
ice falls from the evaporator at the end of a Harvest
cycle. Or, set the switch to the OFF position and allow
the ice to melt off the evaporator.
Important
After the toggle switch is moved to the ICE position,
opening the curtain switch will interrupt the cleaning
sequence. The sequence will resume from the point
of interruption when the curtain switch closes.
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Maintenance
Section 4
SANITIZING PROCEDURE
Use sanitizer to remove algae or slime. Do not use it to
remove lime scale or other mineral deposits.
Step 5 Use the sanitizing solution and a sponge or
cloth to sanitize (wipe) all parts and interior surfaces of
the ice machine. Sanitize the following areas:
Step 1 Set the toggle switch to the OFF position after
ice falls from the evaporator at the end of a Harvest
cycle. Or, set the switch to the OFF position and allow
the ice to melt off the evaporator.
A. Side walls
B. Base (area above water trough)
C. Evaporator plastic parts
D. Bin or dispenser
Caution
!
Never use anything to force ice from the evaporator.
Damage may result.
Step 6 Rinse all sanitized areas with clear water.
Step 7 Install the removed parts, restore power and
place toggle switch in the ice position.
Step 8 T o start a sanitizing cycle, move the toggle
switch to the CLEAN position. The water will flow
through the water dump valve and down the drain. The
Clean light will turn on to indicate the ice machine is in
the sanitizing mode.
!
Warning
Disconnect electric power to the ice machine (and
dispenser if applicable) at the electric switch box
before proceeding.
Step 9 Wait about two minutes or untill water starts to
flow over the evaporator.
Step 2 Remove all ice from the bin.
Step 3 Refer to Removal of Parts For Cleaning/
Sanitizing and remove ice machine parts.
Step 10 Add the proper amount of Manitowoc Ice
Machine Sanitizer to the water trough by pouring
between the water curtain and evaporator.
Step 4 Mix a solution of water and sanitizer.
Model
Amount of Sanitizer
Solution Type
Water
Mixed With
S0600M
5 ounces (148 ml)
Sanitizer
4 gal. (15 l)
3 oz (90 ml) sanitizer
Step 11 The ice machine will automatically time out a
ten minute sanitizing cycle, followed by six rinse cycles,
and stop. The Clean light will turn off to indicate the
sanitizing cycle is completed. This entire cycle lasts
approximately 30 minutes.
Step 12 When the sanitizing process stops, move the
toggle switch to ICE position.
4-4
Part Number 80-1629-3
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Section 4
Maintenance
REMOVAL OF PARTS FOR CLEANING/SANITIZING
5. Use a soft-bristle brush or sponge (NOT a wire
brush) to carefully clean the parts.
1. Turn off the electrical and water supply to the ice
machine (and dispenser when applicable).
Caution
!
Do not mix Cleaner and Sanitizer solutions together.
It is a violation of Federal law to use these solutions
in a manner inconsistent with their labeling.
!
Warning
Disconnect electric power to the ice machine (and
dispenser if applicable) at the electric switch box
before proceeding.
Caution
!
2. Remove all ice from the bin.
Do not immerse the water pump motor in the
cleaning or sanitizing solution.
3. Remove the water curtain and the components you
want to clean or sanitize. See the following pages for
removal procedures for these parts.
6. Use the sanitizing solution and a sponge or cloth to
sanitize (wipe) the interior of the ice machine and
the entire inside of the bin/dispenser.
!
Warning
Wear rubber gloves and safety goggles (and/or face
shield) when handling Ice Machine Cleaner or
Sanitizer.
7. Thoroughly rinse all of the parts and surfaces with
clear water.
8. Install the removed parts.
4. Soak the removed part(s) in a properly mixed
solution.
NOTE: Incomplete rinsing of the ice thickness probe or
water level probe may leave a residue. This could cause
the ice machine to malfunction. For best results, brush or
wipe the probes off while rinsing it. Thoroughly dry the
probes before installing them.
Solution Type
Cleaner
Water
Mixed With
1 gal. (4 l)
4 gal. (15 l)
16 oz (500 ml) cleaner
3 oz (90 ml) sanitizer
9. Turn on the water and electrical supply.
Sanitizer
Part Number 80-1629-3
4-5
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Maintenance
Section 4
1. Water Curtain
2. Ice Thickness Probe
A. Gently flex the curtain in the center and remove
it from the right side.
A. Compress the hinge pin on the top of the ice
thickness probe.
B. Slide the left pin out.
STEP 1
STEP 2
COMPRESS
HINGE PIN TO
REMOVE
SV3153
SV3135
Water Curtain Removal
Ice Thickness Probe Removal
B. Pivot the ice thickness probe to disengage one
pin then the other. The ice thickness probe can
be cleaned at this point without complete
removal. Follow Step C for complete removal.
!
Warning
Disconnect the electric power to the ice machine at
the electric service switch box.
C. Disconnect the ice thickness control wiring from
the control board.
4-6
Part Number 80-1629-3
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Section 4
Maintenance
3. Water Distribution Tube
4. Water Trough
A. Depress tabs on right and left side of the water
trough.
!
Warning
Removing the distribution tube while the water
pump is running will allow water to spray from ice
machine. Disconnect the electrical power to the ice
machine and dispenser at the electric service switch
box and turn off the water supply.
B. Allow front of water trough to drop as you pull
forward to disengage the rear pins.
NOTE: Distribution tube thumbscrews are retained by o-
rings to prevent loss. Loosen thumbscrews but do not
pull thumbscrews out of distribution tube.
A
B
DEPRESS TABS
Water Distribution Tube Removal
A. Remove outer half of distribution tube by
loosening the four (4) thumbscrews (o-rings
retain thumbscrews to distribution tube).
B. Pull inner half of water distribution tube forward
to release slip joint from water pump tubing
connection.
Part Number 80-1629-3
4-7
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Maintenance
Section 4
Water Level Probe
Water Pump
1. Remove the water trough.
!
Warning
Disconnect the electric power to the ice machine at
the electric service switch box and turn off the water
supply before proceeding.
!
Warning
Disconnect the electrical power to the ice machine
at the electrical disconnect before proceeding.
1. Empty the water trough.
2. The water level probe normally does not require
removal for cleaning. The probe can be wiped and
cleaned in place or proceed to step 3.
A. Move the toggle switch from OFF to ICE.
B. Wait 45 seconds.
3. Pull the water level probe straight down to
disengage.
C. Place toggle switch in OFF position.
4. Lower the water level probe until the wiring
connector is visible. Disconnect the wire lead from
the water level probe.
5. Remove the water level probe from the ice machine.
WATER
PUMP
SV3091
WATER
PUMP BASE
Water Pump Removal
WATER LEVEL PROBE
SV3141
2. Remove the water trough.
3. The water pump normally does not require removal
for cleaning. The water pump base can be wiped
and cleaned in place or proceed to step 4.
4. Grasp pump and pull straight down on pump
assembly until water pump disengages and
electrical connector is visible.
5. Disconnect the electrical connector.
6. Remove the water pump assembly from ice
machine.
7. Do not soak the water pump in cleaner or sanitizer.
Wipe the pump and ice machine base clean.
4-8
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Section 4
Maintenance
Water Dump Valve
Important
The water dump valve normally does not require
removal for cleaning. To determine if removal is
necessary:
The plunger and the inside of the enclosing tube
must be completely dry before assembly.
1. Locate the water dump valve.
2. Set the toggle switch to ICE.
NOTE: During cleaning, do not stretch, damage or
remove the spring from the plunger. If it is removed, slide
the spring’s flared end into the plunger’s slotted top
opening until the spring contacts the plunger spring stop.
3. While the ice machine is in the freeze mode, check
the dump valve’s clear plastic outlet drain hose for
leakage.
5. Remove the valve body.
A. If the dump valve is leaking, remove,
disassemble and clean it.
6. Remove the tubing from the dump valve by twisting
the clamps off.
B. If the dump valve is not leaking, do not remove
it. Instead, follow the “Ice Machine Cleaning
Procedure”.
7. Remove the two screws securing the dump valve
and the mounting bracket.
Follow the procedure below to remove the dump valve.
PLUNGER
SPRING STOP
CAP
!
Warning
Disconnect the electric power to the ice machine at
the electric service switch box and turn off the water
supply before proceeding.
COIL
SPRING
PLUNGER
1. If so equipped, remove the water dump valve shield
from its mounting bracket.
2. Lift and slide the coil retainer cap from the top of the
coil.
DIAPHRAM
ENCLOSING
TUBE
3. Note the position of the coil assembly on the valve
for assembly later. Leaving the wires attached, lift
the coil assembly off the valve body and the
enclosing tube.
VALVE BODY
4. Press down on the plastic nut on the enclosing tube
and rotate it 1/4 turn. Remove the enclosing tube,
plunger, and plastic gasket from the valve body.
Dump Valve Disassembly
NOTE: At this point, the water dump valve can easily be
cleaned. If complete removal is desired, continue with
step 5.
Part Number 80-1629-3
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Maintenance
Section 4
Evaporator Tray Removal
Drain Line Check Valve
1. Remove the water trough.
The drain line check valve normally does not require
removal for cleaning. Water loss from the sump trough
will indicate removal and cleaning are required.
2. Remove thumbscrew on left side of tray.
3. Allow left side of tray to drop as you pull the tray to
the left side. Continue until the outlet tube
disengages from the right side.
sv3154
1. Remove check valve and tube assembly.
A. Tip assembly to right until tubing disengages.
B. Lift up on assembly to remove.
2. Remove insulation from check valve assembly.
3. Remove vinyl tubing from top of check valve.
4. Soak in cleaner solution 10 minutes, and then flush
with water to remove debris.
4-10
Part Number 80-1629-3
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Section 4
Maintenance
Water Inlet Valve
Removing the Front Panels
The water inlet valve normally does not require removal
for cleaning. Refer to Section 5 for a list of causes for
“No Water Entering Water Trough” or “Water Overflows
Water Trough.
NOTE: The front panels do not normally have to be
removed. If needed perform the following procedure.
1. Loosen screws. Do not remove they are retained by
o-rings to prevent loss.
1. When the ice machine is off, the water inlet valve
must completely stop water flow into the machine.
2. 30 Inch and 48 Inch Models Only: To remove right
front door lift up and remove (22 inch machines have
a single door, proceed to step 3).
2. When the ice machine is on, the water inlet valve
must allow the proper water flow through it. Set the
toggle switch to ON. Watch for water flow into the ice
machine. If the water flow is slow or only trickles into
the ice machine, refer to Section 5.
5
Follow the procedure below to remove the water inlet
valve.
!
Warning
3
Disconnect the electric power to the ice machine
and dispenser at the electric service switch box and
turn off the water supply before proceeding.
1. Remove the 1/4” hex head screws.
2. Remove, clean, and install the filter screen.
2
FILTER
ACCESS
SCREWS
Door Removal
3. Open left front door to 45 degrees.
WATER
INLET
VALVE
4. Support with left hand, depress top pin, tilt top of
door forward and lift out of bottom pin to remove.
SV1622
Part Number 80-1629-3
4-11
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Maintenance
Section 4
Removal from Service/Winterization
GENERAL
Special precautions must be taken if the ice machine is
to be removed from service for an extended period of
time or exposed to ambient temperatures of 32°F (0°C)
or below.
Caution
!
If water is allowed to remain in the ice machine in
freezing temperatures, severe damage to some
components could result. Damage of this nature is
not covered by the warranty.
Follow the applicable procedure below.
WATER-COOLED ICE MACHINES
1. Disconnect the electric power at the circuit breaker
or the electric service switch.
2. Turn off the water supply.
3. Remove the water from the water trough.
SV1624
4. Disconnect and drain the incoming ice-making water
line at the rear of the ice machine.
Pry Open the Water Regulating Valve
5. Blow compressed air in both the incoming water and
the drain openings in the rear of the ice machine
until no more water comes out of the inlet water lines
or the drain.
®
AUCS Accessory
®
Refer to the AuCS Accessory manual for winterization
®
of the AuCS Accessory.
6. Make sure water is not trapped in any of the water
lines, drain lines, distribution tubes, etc.
7. Disconnect the incoming water and drain lines from
the water-cooled condenser.
8. Insert a large screwdriver between the bottom spring
coils of the water regulating valve. Pry upward to
open the valve.
9. Hold the valve open and blow compressed air
through the condenser until no water remains.
4-12
Part Number 80-1629-3
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Section 5
Checklist
Before Calling For Service
Section 5
Before Calling For Service
If a problem arises during operation of your ice machine, follow the checklist below before calling service. Routine
adjustments and maintenance procedures are not covered by the warranty.
Problem
Possible Cause
To Correct
Ice machine does not operate.
No electrical power to the ice machine
and/or condensing unit.
Replace the fuse/reset the breaker/turn
on the main switch.
High pressure cutout tripping.
Clean condenser coil. (See Section 4)
ICE/OFF/CLEAN toggle switch set
improperly.
Move the toggle switch to the ICE
position.
Water curtain stuck open.
Water curtain must be installed and
swinging freely. (See Section 4)
Ice machine stops, and can be restarted Safety limit feature stopping the ice
Refer to “Safety Limit Feature” on the
next page.
by moving the toggle switch to OFF and
back to ICE.
machine.
Ice machine does not release ice or is
slow to harvest.
Ice machine is dirty.
Ice machine is not level.
Clean and sanitize the ice machine.
(See Section 4)
Level the ice machine. (See Section 2)
Low air temperature around ice machine Air temperature must be at least 35°F
head section.
(1.6°C).
Ice machine does not cycle into harvest
mode.
The six-minute freeze time lock-in has
not expired yet.
Wait for the freeze lock-in to expire.
Ice thickness probe is dirty.
Clean and sanitize the ice machine.
(See Section 4)
Ice thickness probe is disconnected.
Connect the wire.
Ice thickness probe is out of adjustment. Adjust the ice thickness probe.
(See Section 3)
Uneven ice fill (thin at the top of
evaporator).
Verify sufficient water level in sump
trough. Contact a qualified service
company to check refrigeration system.
Ice quality is poor (soft or not clear).
Poor incoming water quality.
Contact a qualified service company to
test the quality of the incoming water and
make appropriate filter
recommendations.
Water filtration is poor.
Ice machine is dirty.
Replace the filter.
Clean and sanitize the ice machine.
(See Section 4)
Water dump valve is not working.
Disassemble and clean the water dump
valve. (See Section 4)
Water softener is working improperly (if
applicable).
Repair the water softener.
Part Number 80-1629-3
5-1
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Before Calling For Service
Section 5
Problem
Possible Cause
To Correct
Ice machine produces shallow or
incomplete cubes, or the ice fill pattern on
the evaporator is incomplete.
Ice thickness probe is out of adjustment. Adjust the ice thickness probe.
(See Section 4)
Water trough level is too low.
Check the water level probe for damage.
(See Section 3)
Water inlet valve filter screen is dirty.
Remove the water inlet valve and clean
the filter screen. (See Section 4)
Water filtration is poor.
Hot incoming water.
Replace the filter.
Connect the ice machine to a cold water
supply. (See Section 2)
Water inlet valve is not working.
Incorrect incoming water pressure.
Replace the water inlet valve.
Water pressure must be 20-80 psi
(1.4 bar - 5.5 bar)
Ice machine is not level.
Level the ice machine.
(See Section 2)
Low ice capacity.
Water inlet valve filter screen is dirty.
Remove the water inlet valve and clean
the filter screen. (See Section 4)
Incoming water supply is shut off.
Open the water service valve.
Water inlet valve stuck open or leaking.
Place toggle switch in OFF position, if
water continues to enter water trough
replace the water inlet valve.
1. Move the ICE/OFF/CLEAN switch to OFF and then
back to ICE.
Safety Limit Feature
In addition to the standard safety controls, such as the
high pressure cutout, your Manitowoc ice machine
features built-in safety limits which will stop the ice
machine if conditions arise which could cause a major
component failure.
A. If the safety limit feature has stopped the ice
machine, it will restart after a short delay.
Proceed to step 2.
B. If the ice machine does not restart, see “Ice
machine does not operate” on the previous
page.
Before calling for service, re-start the ice machine using
the following procedure:
2. Allow the ice machine to run to determine if the
condition is recurring.
A. If the ice machine stops again, the condition has
recurred. Call for service.
B. If the ice machine continues to run, the condition
has corrected itself. Allow the ice machine to
continue running.
5-2
Part Number 80-1629-3
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Section 5
Before Calling For Service
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Part Number 80-1629-3
5-3
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Before Calling For Service
Section 5
THIS PAGE INTENTIONALLY LEFT BLANK
5-4
Part Number 80-1629-3
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MANITOWOC ICE, INC.
2110 South 26th Street P.O. Box 1720
Manitowoc, WI 54221-1720
Phone: (920) 682-0161
Service Fax: (920) 683-7585
© 2004 Manitowoc Ice, Inc.
Litho in U.S.A.
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