Manitowoc MD0420A, MY0500A, MY0420A, MD0700A, MD0500A Technician's Manual
...
M series
Manitowoc
Ice Machines
Technician’s
Handbook
This manual is updated as new information and models are
released. Visit our website for the latest manual. www.welbilt.cn
Part Number 040005626 5/17
Safety Notices
!
Warning
!
Caution
As you work on Manitowoc equipment, be sure to pay
close attention to the safety notices in this handbook.
Disregarding the notices may lead to serious injury
and/or damage to the equipment.
Throughout this handbook, you will see the following
types of safety notices:
Text in a Warning box alerts you to a potential
personal injury situation. Be sure to read the
Warning statement before proceedi ng, and work
carefully.
Text in a Caution box alerts you to a situation in
which you could damage the equipment. Be sure
to read the Caution statement before proceeding,
and work carefully.
Procedural Notices
Important
As you work on M anitowoc e quipment, be s ure to read
the procedu ral notices in t his handbook . These noti ces
supply helpful information which may assist you as
you work.
Throughout this handbook, you will see the following
types of procedural notices:
Text in an Important box provides you with
information that may help you perform a
procedure more efficiently. Disregarding this
informat io n wi ll no t caus e dam age or in jury, but it
may slow you down as you work.
NOTE: Text set of f as a Note prov ides you with simple,
but useful, extra information about the procedure you
are performing.
Read These Before Proceeding:
!
Caution
Important
!
Warning
!
Warning
!
Warning
Proper installation, care and maintenance are
essential for maximum performance and troublefree operation of your equipment. Visit our
website www.kool-aire.com for manual updates,
translations, or contact information for service
agents in you r area.
Routine adjustments and maintenance
procedures outlined in this handbook are not
covered by the warranty.
Read this manual thoroughly before operating,
installing or performing maintenance on the
equipment. Failure to follow instructions in this
manual can cause property damage, injury or
death.
Do not use electrical appliances or accessories
other than those supplied by Manitowoc for your ice
machine model.
Two or more people or a lifting device are
required to lift this appliance.
!
Warning
This equipment contains high voltage electricity
!
Warning
!
Warning
!
Warning
and refrigerant charge. Inst allatio n and rep airs are
to be performed by properly trained technicians
aware of the dangers of dealing with high voltage
electricity and refrigerant under pressure.The
technician must also be certified in proper
refrigerant handling and servicing procedures. All
lockout and tag out procedures must be followed
when working on this equipment.
Do not damage the refrigeration circuit when
installing, maintaining or servicing the unit.
Do not operate equipment that has been misused,
abused, neglected, damaged, or altered/modified
from that of original manufactured specifications.
This appliance is not intended for use by persons
(including children) with reduced physical, sensory
or mental capabilities, or lack of experience and
knowledge, unless they have been given
supervision concerning use of the appliance by a
person responsible for their safety. Do not allow
children to play with this appliance.
All covers and access panels must be in place
and properly secured, before operating this
equipment.
!
Warning
Do not obstruct machine vents or openings.
!
Warning
!
Warning
!
Warning
!
Warning
Do not store gasoline or other flammable vapors
or liquids in the vicinity of this or any other
appliance.
Do not clean with water jet.
It is the responsibility of the equipment owner to
perform a Personal Protective Equipment Hazard
Assessment to ensure adequate protection
during maintenance procedures.
Two or more people are required to move this
equipment to prevent tipping.
!
Warning
When using electric appliances, basic
We reserve the right to make product
improvements at any time. Specifications and
design are subject to change without notice.
precautions must always be followed, including
the following:
a. Read all the instructions before using
the appliance.
b. To reduce the risk of injury, close
supervision is neces sa ry when an
appliance is used near children.
c. Do not contact moving parts.
d. Only use attachments recommended or
sold by the manufacturer.
e. Do not use outdoors.
f. For a cord-connected applia nc e, the
following must be included:
• Do not unplug by pulling on cord. To
unplug, grasp the plu g, not the co rd.
• Unplug from outlet when not in use
and before servicing or cleaning.
• Do not operate any appliance with a
damaged cord or plug, or after the
appliance m al fun cti ons o r is dro pp ed
or damaged in any manner. Contact
the nearest authorized service facility
for examination, rep a ir, or electrical
or mechanical adjustment.
g. Follow applicable lock out tag out
procedures before working on
equipment.
h. Connect to a properly grounded outlet
only.
Table of Contents
GENERAL INFORMATION
Model Numbers . . . . . . . . . . . . . . . . . . . . .13
How to Read a Model Number . . . . . . . . .14
Ice Machine Warranty Information . . . . . 15
Commercial Warranty Coverage . . . . .15
Residential Warranty Coverage . . . . .18
INSTALLATION
Location of Ice Machine . . . . . . . . . . . . . .21
Ice Machine Clearance Requirements . .22
Clearance Requirements . . . . . . . . . . . . .22
Ice Machine Heat of Rejection . . . . . . . . .23
Leveling the Ice Machine . . . . . . . . . . . . .23
Electrical Requirements . . . . . . . . . . . . . . 24
Water Service/Drains . . . . . . . . . . . . . . . .25
Water Supply . . . . . . . . . . . . . . . . . . . . 25
Water Inlet Lines . . . . . . . . . . . . . . . . . 25
Drain Connections . . . . . . . . . . . . . . . .26
Cooling Tower Applications . . . . . . . . .26
MAINTENANCE
Interior Cleaning and Sanitizing . . . . . . .29
General . . . . . . . . . . . . . . . . . . . . . . . .29
Cleaning and Sanitizing Procedure . . .29
Toggle switch Operation . . . . . . . . . . .30
Remove Parts for Cleaning . . . . . . . . .34
Preventative Maintenance Cleaning . . . .36
Ice Machine Inspection . . . . . . . . . . . . . .37
Cleaning the Condenser . . . . . . . . . . . . .38
Removal from Service/Winterization . . .39
Air-cooled Models . . . . . . . . . . . . . . . .39
Water-cooled Models . . . . . . . . . . . . . 39
Part Number 040005626 5/17 9
OPERATION
Ice Making Sequence of Operation . . . . 41
Control Board Timers . . . . . . . . . . . . 42
Safety Limits . . . . . . . . . . . . . . . . . . . . 43
Energized Parts Chart . . . . . . . . . . . . 45
Operational Ch ecks . . . . . . . . . . . . . . . . . 47
Ice Thickness Check . . . . . . . . . . . . . 47
TROUBLESHOOTING
Control Board Test Mode . . . . . . . . . . . . 49
Diagnosing an Ice Machine that Will Not Run
50
Ice Machine Does Not Cycle Into Harvest
when Water Loses Contact with the Harvest
Float Switch . . . . . . . . . . . . . . . . . . . . . . . 51
Ice Machine Cycles Into Harvest Before Water
loses Contact with the Harvest Float Switch
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53
Ice Production Check . . . . . . . . . . . . . . . 54
Installation/Vis ual Insp ecti on Che ckl ist 55
Water System Checklist . . . . . . . . . . . . . 56
Ice Formation Pattern . . . . . . . . . . . . . . . 57
Safety Limits . . . . . . . . . . . . . . . . . . . . 60
Analyzing Dischar ge Pressur e . . . . . . . . 67
Analyzing Suction Pressure . . . . . . . . . . 69
Harvest Valve . . . . . . . . . . . . . . . . . . . . . . 73
Comparing Evaporator Inlet/Outlet
Temperatures . . . . . . . . . . . . . . . . . . . . . . 77
Discharge Line Temperature Analysis . 78
Refrigeration Component Diagnostics . 80
Final Analysis . . . . . . . . . . . . . . . . . . . 82
Refrigeration Component Diagnostic Chart
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83
10 Part Number 040005626 5/17
COMPONENT CHECK PROCEDURES
Main Fuse . . . . . . . . . . . . . . . . . . . . . . . . .87
Bin Switch . . . . . . . . . . . . . . . . . . . . . . . . .88
Float Switch . . . . . . . . . . . . . . . . . . . . . . .90
Compressor Electrical Diagnostics . . . .92
Fan Cycle Control . . . . . . . . . . . . . . . . . . .94
High Pressure Cutout (HPCO) Control . . 95
Refrigeration Components . . . . . . . . . . .96
Head Pressure Control Valve . . . . . . .96
Harvest Cycle Operation . . . . . . . . . . .97
Harvest Pressure Regula ting (HPR) System
Remote Condenser Only . . . . . . . . . . .100
Water Regulating Valve . . . . . . . . . . .103
Refrigerant Recovery/Evacuation . . . . . .104
Definitions . . . . . . . . . . . . . . . . . . . . . .104
Refrigerant Re-use Policy . . . . . . . . . . 105
Recovery and Recharging Procedures 107
System Contamination Cleanup . . . . . . .110
Refrigerant Amount . . . . . . . . . . . . . . . . . 116
CHARTS
Cycle Times, 24 Hr. Ice Production and
Refrigerant Pressure Charts . . . . . . . . . . 117
Determining Severity of Contamination 110
Mild System Contamination Cleanup
Procedure . . . . . . . . . . . . . . . . . . . . . .112
Severe System Contamination Cleanup
Procedure . . . . . . . . . . . . . . . . . . . . . .113
Replacing Pressure Controls without
Removing Refrigerant Charge . . . . . . .114
M0420A Self-contained Air-cooled . . .118
M0500A Self-contained Air-cooled . . .119
M0500W Self-contained Water-cooled 120
M0700A Self-contained Air-cooled . . .121
M0700W Self-contained Water-cooled 122
M1000A Self-contained Air-cooled . . .123
M1000W Self-contained Water-cooled 124
M1400A Self-contained Air-cooled . . .125
Part Number 040005626 5/17 11
DIAGRAMS
Wiring Diagrams . . . . . . . . . . . . . . . . . . . 127
Wiring Diagram Legend . . . . . . . . . . . 127
M0420,M0500, M0700, M1000 1 PH Self-
contained Air/Water-cooled . . . . . . . . 128
Electronic Control Board . . . . . . . . . . . 129
Refrigeration Tubing Schematics . . . . . 130
Self-contained Air or Water-cooled . . . 130
12 Part Number 040005626 5/17
General Information
Model Numbers
This manual covers the following models:
Self-Contained
Air-Cooled
Self-Contained
Water-Cooled
MD0420A
MY0420A
MD0500A
MD0500W
MY0500A
MD0700A
MD0600W
MY0700A
MD1000A
MY1000A
MD1000W
MY1000W
MD1400A ----
----
----
----
----
----
Remote
----
----
----
----
----
----
----
----
----
----
Part Number 040005626 5/17 13
How to Read a Model Number
!
Warning
A - Air-cooled
W - Water-cooled
Series
Condenser
Type
Model
M D 0500 A E
R - Regular
D - Dice
Y - Half-dice
Cube Size
E - WRAS 50Hz
An ice machine contains high voltage electricity
and refrigerant charge. Repairs are to be
performed by properly trained refrigeration
technicians aware of the dangers of dealing with
high voltage electricity and refrigerant under
pressure.
14 Part Number 040005626 5/17
Ice Machine Warranty Information
Important
Owner Warranty Registration Card
General
Warranty coverage begins the day the ice machine is
installed.
Complete and mail the OWNER WARRANTYREGISTRATION CARD as soon as possible to
validate the installation date.
If the OWNER WARRANTY REGISTRA TION CARD is
not returned, we will use the date of sale to the
Distributor as the first day of warranty coverage for
your new ice machine.
COMMERCIAL WARRANTY COVERAGE
Welbilt, (hereinafter referred to as the “COMPANY”)
warrants for a period of thirty-six months from the
installati on d ate (exc ep t as l im ited bel ow) tha t new ic e
machines manufactured by the COMPANY shall be
free of defects in material or workmanship under
normal and proper use and maintenance as specified
by the COMPANY and upon proper installation and
start-up in accord anc e wi th the instruc ti on man ual
supplied with the ice machine. The COMPANY’s
warranty hereunder with respect to the compressor
and evaporator shall apply for an additional twentyfour months, excluding all labor charges.
The obligat ion of the CO MPANY under this warranty is
limited to the repair or replacement of parts,
components, or assemblies that in the opinion of the
COMPANY are defective. This warranty is further
limited to the cost of parts, components or assemblies
and standard straight time labor charges at the
servicing location.
Part Number 040005626 5/17 15
Time and hourly rate schedules, as published from
time to time by the COMPANY, apply to all service
procedures. Additional expenses including without
limita tion, travel time, overt ime premium , material cost,
accessing or removal of the ice machine, or shipping
are the responsibility of the owner, along with all
maintenance, adjustments, cleaning, and ice
purchases. La bor cover ed under this warranty must b e
performed by a COMPANY Contracted Service
Representative or a refrigeration service agency as
qualified and authorized by the COMPANY’s local
Distributor. The COMPANY’s liability under this
warranty shall in no event be greater than the actual
purchase price paid by customer for the ice machine.
The foregoing warranty shall not apply to (1) any part
or assembly that has been altered, modified, or
changed; (2) any part or assembly that has been
subjected to misuse, abuse, neglect, or accidents; (3)
any ice machine that has been installed and/or
maintained inconsistent with the technical instructions
provided by the COMPANY; or (4) any ice machine
initially installed more than five years from the serial
number produc tio n date . This warran ty shall not apply
if the Ice Machine’s refrigeration system is modified
with a condenser, heat reclaim device, or parts and
assemblies other than those manufactured by the
COMPANY, unless the COMPANY approves these
modifications for specific locations in writing.
THIS WARRANTY IS IN LIEU OF ALL OTHER
WARRANTIES OR GUARANTEES OF ANY
KIND, EXPRESSED OR IMPLIED, INCLUDING
ANY IMPLIED WARRANTY OF
MERCHANTABILITY OR FITNESS FOR A
PARTICULAR PURPOSE.
COMPANY be liable for any special, indirect,
incidental or consequential damages. Upon the
expiration of the warranty period, the COMPANY’s
liability under this warranty shall terminate. The
foregoing warranty shall constitute the sole liability of
the COMPANY and the exclusive remedy of the
customer or user.
16 Part Number 040005626 5/17
In no event shall the
To secure prompt and continuing warranty
service, the warranty registration card must be
completed and sent to the COMPANY within five
(5) days from the installation date.
Warranty Service
To comply with the provisions of the warranty, a
refrigeration service comp any qual ified and authorize d
by your M series distributor, or a Factory Authorized
Servicer must perform the warranty repair.
Service Calls
Normal maintenance, adjustments and cleaning as
outlined in this manual are not covered by the
warranty.
Authorized
Part Number 040005626 5/17 17
RESIDENTIAL WARRANTY COVERAGE
WHAT DOES THIS LIMITED WARRANTY COVER?
Subject to the exclus ions and limit ations b elow, Welbilt
warrants to the original consumer that any new ice
machine manu fac ture d by Welbilt (the “Product”) s ha ll
be free of defects in material or workmanship for the
warranty period outlined below under normal use and
maintenance, and upon proper installation and startup in accordance with the instruction manual supplied
with the Product.
HOW LONG DOES THIS LIMITED WARRANTY
LAST?
Product CoveredWarranty Period
Ice MachineTwelve (12) months from the sale date
WHO IS COVERED BY THIS LIMITED WARRANTY?
This limited warranty only applies to the original
consumer of the Product and is not transferable.
WHA T ARE WELBILT’S OBLIGA TIONS UNDER THIS
LIMITED WARRANTY?
If a defect arise s an d W e lbi lt rec ei ves a va li d w arran ty
claim prior to the expiration of the warranty period,
Welbilt shall, at its option: (1) repair the Product at
Welbilt’s cost, including standard straight time labor
charges, (2) replace the Product with one that is new
or at least as functionally equivalent as the original, or
(3) refund the purchase price for the Product.
Replacement parts are warranted for 90 days or the
balance of the original warranty period, whichever is
longer. The foregoing constitutes Welbilt’s sole
obligation and the consumer’s exclusive remedy for
any breach of this limited warranty. Welbilt’s liability
under this limited warranty is limited to the purchase
price of Product. Additional expenses including,
without limitation, service travel time, overtime or
premium labor charges, accessing or removing the
Product, or shipping are the responsibility of the
consumer.
18 Part Number 040005626 5/17
HOW TO OBTA IN WARRANTY SERVICE
To obtain warranty service or inform at ion regardi ng
your M series product, please contact:
WELBIL T
2110 So. 26th St.
P.O. Box 1720,
Manitowoc, WI 5422 1-1 720
Telephone: 920-682-0161 Fax: 920-683-7585
WHAT IS NOT COVERED?
This limited warranty does not cover, and you are
solely responsible for the costs of: (1) periodic or
routine maintenance, (2) repair or replacement of the
Product or parts due to normal wear and tear, (3)
defects or damage to the Product or parts resulting
from misuse, abuse, neglect, or accidents, (4) defects
or damage to the Product or parts resulting from
improper or un authori zed altera tions , modif icatio ns, or
changes; and (5) defects or damage to any Product
that has not been installed and/or maintained in
accordance with the instruction manual or technical
instructions provided by Welbilt. To the extent that
warranty exclusions are not permitted under some
state laws, these exclusions may not apply to you.
Except As Stated In The Following Sentence, This
Limited Warranty Is The Sole And Exclusive Warranty
Of Welbilt With Regard To The Product. All Implied
Wa rranties Are Strictly Limited To The Duration Of The
Limited Warranty Applicable To The Products As
Stated Above, Including But Not Limited To, Any
Warranty Of Merchantability Or Of Fitness For A
Particular Purpose.
Some states do not allow limitations on how long an
implied wa rranty la st s, so the ab ove limit atio n may not
apply to you.
Continued on next page …
Part Number 040005626 5/17 19
In No Event Shall Welbilt Or Any Of Its Affiliates Be
Liable To The Consumer Or Any Other Person For
Any Inciden tal, Co nsequential Or S pe cial Damag es Of
Any Kind (Including, Without Limitation, Loss Profits,
Revenue Or Business) Arising From Or In Any Manner
Connected With The Product, Any Breach Of This
Limited Warranty, Or Any Other Cause Whatsoever,
Whether Based On Contract, Tort Or Any Other
Theory Of Liability.
Some states do not allow the exclusion or limitation of
incidental or consequential damages, so the above
limitation or exclusion may not apply to you.
HOW STATE LAW APPLIES
This limited warranty gives you specific legal rights,
and you may also have rights that vary from state to
state or from one jurisdiction to another.
REGISTRATION CARD
To secure prompt and continuing warran ty service, this
warranty regist ration card must be completed and sent
to Welbilt within thirty (30) days from the sale date.
Complete the foll ow in g reg is trat ion card and se nd i t to
Welbilt.
20 Part Number 040005626 5/17
Installation
Location of Ice Machine
The location selected for the ice machine must meet
the following criteria. If any of these criteria are not
met, select another location.
• The location must be indoors.
• The location must be free of airborne and other
contaminants.
• Air temperature: Must be at least 40°F (4°C) but
must not exceed 110°F (43.4°C).
• The location must not be near heat-generating
equipment or in direct sunlight.
• The location must be capable of supporting the
weight of the ice machine and a full bin of ice.
• The location must allow enough clearance for
water, drain, and electr ica l co nne cti on s in the rear
of the ice machine.
• The location must not obstruct airflow through or
around the ice mac hine co ndenser a ir flow is in the
back and out the sides. Refer to the chart for
clearance requirements.
• 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.
Part Number 040005626 5/17 21
Ice Machine Clearance Requirements
!
Warning
!
Caution
Clearance Requirements
Do not obstruct ice machine vents or
openings
M0420
M0500 -M0
M1000 -
M1400
Top/Sides 8" (20.3 cm) 8" (20.3 cm)
Back 5" (12.7 cm) 5" (12.7 cm)
*There is no minimum clearance required for water-cooled
or remote ice machines. This value is recommended for
efficient operation and servicing only.
700
Self-Contained
Air-Cooled
Water-Cooled
Remote*
and
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.
22 Part Number 040005626 5/17
Ice Machine Heat of Rejection
!
Caution
Heat of Rejection
1
Series
Ice Machine
Conditioning
Air
2
Peak
M0420 5400 6300
M0500 5300 6100
M0700 9000 13900
M1000 16250 18600
M1400 28300 34300
1 B.T.U./Hour
2 B ecause the heat of rejection varies during the ice making
cycle, the figure shown is an average.
Ice machines , like other re frigeration equip ment, reject
heat through the condenser. It is helpful to know the
amount of heat rejected by the ice machine when
sizing air cond itioning eq uipment whe re self-con tained
air-cooled ice machines are installed.
Leveling the Ice Machine
1. The leveling legs must be s crewed into the bottom
of the bin as far as possible.
The legs must be screwed in tightly to prevent
them from bending.
2. Move the bin into its final position.
3. Use a level on top of the bin. Adjust each foot as
necessary and leve l from front to back and side to
side.
Part Number 040005626 5/17 23
Electrical Requiremen ts
!
Warning
!
Warning
Voltage
The maximum allowable voltage variation is ±10% of
the rated voltage on the ice machine model/serial
number plate at start-up (when the electrical load is
highest).
Fuse/Circuit Breake r
A separate fuse/circuit breaker must be provided for
each ice machine.
Total Circuit Ampacity
The total circuit ampacity is used to help select the
wire size of the electrical supply.
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
Refer to ice machine data plate, for electrical
requirements. The ice machine data plate information
overrides all other published data.
All wiring must conform to local, state and national
codes.
The ice mach ine mu st be grou nded in accord ance
with national and local electrical code.
24 Part Number 040005626 5/17
Water Service/Drains
Important
!
Warning
WATE R SUPPLY
Local water conditions may require treatment of the
water to inhibit scale formation, filter sediment, and
remove chlorine odor and taste.
If you are installing a water filter system, refer to
the Installation Instructions supplied with the filter
system for ice making water inlet connections.
For ice making, connect to a potable water supply
only.
WATER INLET LINES
Follow these guidelines to install water inlet lines:
• Do not connect the ice machine to a hot water
supply . Be sure all hot w ater restrictors installed for
other equipment are working. (Check valves on
sink faucets, dishwashers, etc.)
• If water pres sure exc eeds the maximum
recommend ed pre ssure, 80 psig (5.5 ba r) o bt a in a
water pressure regulator from your Manitowoc
distributor.
• Install a water shut-off valve for ice making potable
water.
• Insulate water inlet lines to prevent condensation.
Part Number 040005626 5/17 25
DRAIN CONNECTIONS
!
Caution
Follow these guidelines when installing drain lines to
prevent drain water from flowing back into the ice
machine and storage bin:
• Drain lines m ust have a 1.5-inch drop p er 5 fe et 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.
• Install a tee to vent the ice machine drain to the
atmosphere.
• Insulate drain lines to prevent condensation.
COOLING TOWER APPLICATIONS
Water Cooled Models Only
A water-cooling tower installation does not require
modification of the ice mac hin e. The water regu lat or
valve for the condenser continues to control the
refrigeration discharge pressure.
It is necessary to know the amount of heat rejected,
and the pressure drop through the condenser and
water valves (inlet to outlet) when using a cooling
tower on an ice machine.
• Water entering the condenser must not exceed
90°F (32.2°C).
• Water flow through the condenser must not
exceed 5 gallons (19 liters) per minute.
• Allow for a pressure drop of 7 psig (.48 bar)
between the condenser water inlet and the outlet
of the ice machine.
• Water exiting the condenser must not exceed
110°F (43.3° C).
Plumbing must conform to state and local codes
26 Part Number 040005626 5/17
WATER SUPPLY AND DRAIN LINE SIZING/
CONNECTIONS
Fitting
Ice Machine
T ubing Siz e Up to
Fitting
Ice Machine
3/8" (9.5 mm) min.
3/8" Female
inside diameter
Pipe Thread
3/8" (9.5 mm) min.
3/8" Female
inside diameter
Pipe Thread
3/8" (9.5 mm) min.
3/8" Female
inside diameter
Pipe Thread
—
Water
Pressure
80 psi (5.5 bar) max.
20 psi (1.38 bar) min.
20 psi (1.38 bar) min.
150 psi (10.3 bar) max.
—
Water
Temperature
33°F (0.6°C) min.
90°F (32.2°C) max.
33°F (0.6°C) min.
90°F (32.2°C) max.
Part Number 040005626 5/17 27
Location
Water Inlet
Ice Making
Water Inlet
Condenser
Condenser
Water Dra in
28 Part Number 040005626 5/17
This Page Intentionally Left Blank
Maintenance
!
Caution
Interior Cleaning and Sanitizing
GENERAL
Clean and sanitize the ice machine every six months
for effici ent operation. If the ic e machine requires more
frequent cleaning and sanitizing, consult a qualified
service company to test the water quality and
recommend appropriate water treatment.
The ice mach ine mus t be t a ke n ap art for cleaning and
sanitizing.
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.
CLEANING AND SANITIZING PROCEDURE
Ice machine cleaner is used to remove lime scale and
mineral deposits. Ice machine sanitizer disinfects and
removes algae and slime.
Part Number 040005626 5/17 29
TOGGLE SWITCH OPERATION
!
Caution
!
Warning
Moving the toggle switch to clean will start a Clean
cycle.
• Setting the ice machine to stop after the clean
cycle: Place the toggle switch in the clean
position. The ice machine will stop after the clean
cycle.
• Pausing the cleaning cycle: Move the toggle
switch to Of f. Movi ng the toggle switch to clean will
restart the clean cycle.
• Setting the ice machine to start ice making
after the clean cycle: Place the toggle switch in
the Ice positi on more than 2 minut es int o the c lean
cycle.
Step 1 Place the toggle switch in the clean position
after ice falls from the evaporator at the end of a
Harvest cycle. Or, place the toggle switch in the off
position and allow the ice to melt off the evaporator.
Never use anything to force ice from the
evaporator. Damage may result.
Step 2 Remove all ice from the bin.
.
Wear rubber gloves and safety goggles
(and/or face shield) when handling Ice
Machine Cleaner or Sanitizer.
30 Part Number 040005626 5/17
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