QM45 Series Ice Machines – Installation, Use, Care, And
Contents
1. Natal eqs USE Before Starting the Ice Section 3 Ice Machine Operation Component Identification mM Is d Ice Making S quence of Operation Ice Making Sequence of Operation Energized Parts Chart ee eene sees sese essees 373 Operational Checks Siphon E EE One Water Devel D E cem E Ice Bridge Table of Contents Table of Contents cont Section 4 Maintenance Praia c Cleaning and Sanitizing Procedure vassssiccssncsscesccsseccsvensnevexcsyscensccsndaeecenpeeveassn case cevecesvecesceencsvsensecosvavenovevencepyee le mn oR M Removal from Service Winterization ccccsssscssssscssssscssssccssssccsssscsssssccssssssssssssssssssssssssssscsssessssssessssneecs Section 5 Before Calling for Service TT EE Safety Limit Feat hii Section 1 General Infomation Section 1 General Infomation Model Numbers This manual covers the following models Self Contained Voltage Air Cooled 115 60 1 230 50 1 Accessories Contact your Manitowoc distributor for these optional accessories ARCTICPURE WATER FILTER SYSTEM Engineered specifically for Manitowoc ice machines ArcticPure water filters are an efficient dependable and affordable method of inh2. CAUTION Do not force this removal Be sure the locating pin is clear of the hole before sliding the distribution tube out Disassembly e Twist both of the inner tube ends until the tabs line up with the keyways e Pull the inner tube ends outward Water Distribution Tube Disassembly 1211 LOCATING PIN 127 Maintenance E Remove the Float Valve Turn the splash shield counterclockwise one or two turns ae N FLOAT VALVE BRACKET p COMPRESSION FITTING SHUT OFF CAP AND FILTER SCREEN a SPLASH SHIELD l FLOAT SV1695 2 Float Valve Removal e Pull the float valve forward and off the mounting bracket e Disconnect the water inlet tube from the float valve at the compression fitting e Remove the cap and filter screen for cleaning 4 3 Maintenance gt SCH di SIPHON TUBE Installation Remove the Water Trough Apply downward pressure on the siphon tube and remove from the bottom of the water trough Remove the upper thumbscrew While supporting the water trough remove the two thumbscrews from beneath the water trough Remove the water trough from the bin area UPPER THUMBSCREW SV1689 1 LOWER THUMBSCREWS 4 4 Section 4 G Remove the Ice Damper Grasp ice damper and apply pressure toward the left hand mounting bracket Apply pressure to the right hand mounting bracket with thumb Pull ice damper forward when the right
3. Step 22 Reapply power and water to the ice machine and place the toggle switch in the ICE position Section 4 ICE MACHINE INSPECTION 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 in front of the ice machine There must be adequate airflow through and around the ice machine to maximize ice production and ensure long component life EXTERIOR CLEANING Clean the area around the ice machine as often as necessary to maintain cleanliness and efficient operation Sponge any dust and dirt off the outside of the ice machine with mild soap and water Wipe dry with a clean soft cloth A commercial grade stainless steel cleaner polish can be used as necessary CLEANING THE CONDENSER WARNING Disconnect electric power to the ice machine at the electric service switch before cleaning the condenser Air Cooled Condenser A dirty condenser restricts airflow resulting in excessively high operating temperatures This reduces ice production and shortens component life Clean the condenser at least every six months Follow the steps below WARNING The condenser fins are sharp Use care when cleaning them 1 The washable aluminum filter on self contained ice machines is designed to catch dust dirt lint and grease This helps keep the condenser clean Clean the filter with a mild so
4. 210 S 26th Street Box 1720 Monilowoc Wisconsin 5422 1720 USA geckeg opptonces food freezers ond mokers 8201043 08 25 03 Manitowoc Inc Manitowoc Foodservice International 2110 South 26th Street S A S P O Box 1720 18 Chemin de Charbonni res Manitowoc WI 54221 1720 F 69132 Ecully Cedex Phone 920 682 0161 T l phone 33 0 4 72 18 22 50 Service Fax 920 683 7585 Fax 33 0 4 72 18 22 60 Web Site www manitowocice com Site Web www manitowocice com Manitowoc China International Refrigeration Company LTD No 151 Jiam Ye Road Hangzhou Hi Tech Industry Development Zone Bin Jiang Hangzhou Zhejiang 310052 P R China Telephone 86 571 86888688 Service Fax 86 571 86622707 Web Site www manitowoc com cn MANITOWOC ICE INC Web Site www manitowocice com 2006 Manitowoc Ice Inc
5. Compress the side of the ice thickness probe near the top hinge pin and remove it from the bracket ICE THICKNESS PROBE COMPRESS SIDES OF j T SV1138A ICE THICKNESS PROBE Ice Thickness Probe Removal NOTE At this point the ice thickness probe can easily be cleaned If complete removal is desired follow the ice thickness probe wire to the bulkhead grommet exit point in the back wall Pop the bulkhead grommet out of the back wall by inserting fingernails or a flat object between the back wall and the grommet and prying forward Pull the bulkhead grommet and wire forward until the connector is accessible then disconnect the wire lead from the connector Ice Thickness Probe Cleaning e Mixa solution of Manitowoc ice machine cleaner and water 2 ounces of cleaner to 16 ounces of water in a container e Soak the ice thickness probe a minimum of 10 minutes Clean all ice thickness probe surfaces and verify the ice thickness probe cavity is clean Rinse thoroughly with clean water then dry completely Incomplete rinsing and drying of the ice thickness probe can cause premature harvest Section 4 D Remove the Water Distribution Tube 1 LIFT UP 2 SLIDE BACK 3 SLIDE TO RIGHT DISTRIBUTION THUMBSCREW Water Distribution Tube Removal e Loosen the two thumbscrews which secure the distribution tube e Lift the right side of the distribution tube up off the locating pin then slide it back and to the right
6. Machine Fitting Ice Making 33 F 0 6 C Min 20 psi 137 9 kPA Min 3 8 Female Pipe Water Inlet 90 F 32 22C 80psi 551 5 Thread diameter Bin Drain 3 4 19 1 mm Vinyl Tubing Typical Water Supply Drain Installation ICE MAKING WATER INLET TUBING 3 8 MIN 1 0 95CM WATER SHUTOFF VALVE 1735 ICE MAKING WATER BIN DRAIN 5 8 1 0 1 59CM Installation Instructions Installation C hec klist Is the ice machine level Has all of the internal packing been removed Have all of the electrical and water connections been made Has the supply voltage been tested and checked against the rating on the nameplate Is there proper clearance around the ice machine for air circulation Has the ice machine been installed where ambient temperatures will remain in the range of 35 110 F 1 7 43 3 C Has the ice machine been installed where the incoming water temperature will remain in the range of 33 90 F 0 6 32 2 C Are all electrical leads free from contact with refrigeration lines and moving equipment Has the owner operator been instructed regarding maintenance and the use of Manitowoc Cleaner and Sanitizer Has the owner operator completed the warranty registration card Has the ice machine and bin been sanitized Si epi Ei E en Has this manual been given to the owner operator Section 2 Before Starting the
7. Replace all removed components Step 14 Reapply power and water to the ice machine and place the toggle switch in the WASH position Step 15 Add the proper amount of Manitowoc Ice Machine Sanitizer to the water trough Mode Amountof Sanitizer QM45 1 5 ounces 45 ml Step16 Wait until the sanitize cycle is complete approximately 22 minutes then place the toggle switch in the OFF position disconnect power and water supplies to the ice machine WARNING Disconnect electric power to the ice machine at the electric switch box before proceeding Step 17 Repeat step 6 to remove parts for hand sanitizing 4 6 Section 4 Step 18 Mix a solution of sanitizer and warm water Solution Type Water Mixed With Sanitizer 6 gal 23 1 4 oz 120 ml sanitizer Step 19 Use 1 2 of the sanitizer water solution to sanitize all removed components Use a cloth or sponge to liberally apply the solution to all surfaces of the removed parts or soak the removed parts in the sanitizer water solution Do not rinse parts after sanitizing Step 20 Use 1 2 of the sanitizer water solution to sanitize all foodzone surfaces of the ice machine and bin Use a cloth or sponge to liberally apply the solution When sanitizing pay particular attention to the following areas e Evaporator plastic parts including top bottom and sides e Bin bottom sides and top Do not rinse the sanitized areas Step 21 Replace all removed components
8. hand ice damper pin disengages Place ice damper pin in left hand mounting bracket and apply pressure toward the left hand mounting bracket Apply pressure to the right hand mounting bracket with thumb Push ice damper toward evaporator until right hand damper pin engages Section 4 Maintenance H Remove the Bin Door e Grasp the rear of the bin door and pull bin door forward approximately 5 Slide bin door to the rear while applying upward pressure The rear door pins will ride up into the track slot and slide backward to the stop tab While applying pressure against the bin door pull down on the rear of each bin door track until the door pins clear the stop tabs e Slide the rear door pins off the end and then below the door track Slide bin door forward allowing the back of the door to lower into the bin Continue forward with the bin door until the front pins bottom out in the track Lift right side of door until the front pins clear the track then remove door from bin PRESS DOWN TO RELEASE DOOR STOP TAB TRACK i SLIDE DOOR FORWARD Step 7 Mix a solution of cleaner and warm water Depending on the amount of mineral buildup a larger quantity of solution may be required Use the ratio in the table below to mix enough solution to thoroughly clean all parts 1 gal 41 16 oz 500 ml cleaner Step 8 Use 1 2 of the cleaner water solution to clean all components The clea
9. happy to provide assistance Procedural Notices When using or servicing these Ice Machines be sure to read the procedural notices in this manual These notices supply helpful and important information Throughout this manual you will see the following types of procedural notices Important Important boxes serve two functions They call the operator s attention to important information They also provide the service technician with information that may help perform a procedure more efficiently Disregarding this information may slow down the work NOTE Text set off as a Note provides you with simple but useful extra information This manual covers the following model numbers Self Contained Air Cooled QM45A QM45AE Table of Contents Table of Contents Section 1 General Information Model Numbers Accessories Model Serial Number Location ES Owner Warranty Registration Warranty C OVeFOED ier qui i iate ER eT acd waren EG Section 2 Installation Instructions qn Ice Machine escis oae rau 2 Location of Ice Machine EMT Ice Machine Heat of MM Leveling the Ice Machine Electrical SeEVICG ues euer et ito na ein ee eet SE B ell RT A EN Installation
10. E 15 Seconds 5 Seconds 30 Seconds Until 7 sec water contact with ice thickness probe Bin switch activation Until bin switch re closes The fan motor is wired through a fan cycle pressure control therefore it may cycle on and off 3 3 Machine Operation Section 3 Operational Checks GENERAL Your Manitowoc ice machine was factory operated and adjusted before shipment Normally a newly installed ice machine does not require any adjustment To ensure proper operation always follow these Operational Checks when starting the ice machine e the first time e after a prolonged out of service period e after cleaning and sanitizing Routine adjustments and maintenance procedures outlined in this manual are not covered by the warranty SIPHON SYSTEM To reduce mineral build up and cleaning frequency the water in the sump trough must be purged during each harvest cycle When the water pump de energizes the level in the water trough rises above the standpipe starting a siphon action The siphon action stops when the water level in the sump trough drops below the siphon cap When the siphon action stops the float valve refills the water trough to the correct level Siphon System Check Follow steps 1 through 6 under water level check SIPHON WATER LEVEL CAP Ni STANDPIPE DRAIN SV1689 2 3 4 WATER LEVEL CHECK Check the water level while the ice machine is in the cl
11. Ice Machine All Manitowoc ice machines are factory operated and adjusted before shipment Normally new installations do not require any adjustment To ensure proper operation follow the Operational Checks on page 3 4 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 A WARNING PERSONAL INJURY POTENTIAL Do not operate equipment that has been misused abused neglected damaged or altered modified from that of original manufactured specifications Section 3 Ice Machine Operation Ice Machine Operation Component Identification ICE THICKNESS PROBE FLOAT VALVE ASSEMBLY WATER DISTRIBUTION TUBE lt SIPHON w SS NS NON S S BIN SWITCH MAGNET ICE DAMPER WATER TROUGH CONDENSER AIR FILTER ON OFF WASH TOGGLE SWITCH COMPRESSOR COMPARTMENT ACCESS SCREWS SV1731A WATER PUMP 1733 3 1 Ice Machine Operation Section 3 Ice Making Sequence of Operation INITIAL START UP OR START UP AFTER AUTOMATIC SHUT OFF 1 Pressure Equalization Before the compressor starts the hot gas valve is energized for 15 seconds to equalize pressures during the initial refrigeration system start up 2 Refrigeration System Start Up The compressor starts after the 15 second pressure equalization and remains on throu
12. Important Complete and mail the OWNER WARRANTY REGISTRATION CARD as soon as possible to validate the installation date 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 Warranty Coverage GENERAL The following Warranty outline is provided for your convenience For a detailed explanation read the warranty bond shipped with each product Contact your local Manitowoc representative or Manitowoc Ice Inc if you need further warranty information Important This product 15 intended exclusively for commercial application No warranty is extended for personal family or household purposes 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 LABOR 1 Labor required to repair or replace defective components is covered for three 3 years from the date of original installation General Infomation EXCLUSIONS The following items are not included in the ice machine s warranty coverage 1 Normal maintenance adjustments and cleaning as outlined in this manual 2 Repairs due to unauthorized modifications to the ice machine or use of non standard parts without prior written approval from Manitowoc Ice Inc 3 Damage caused by improper installation o
13. Owoc QM45 Senes Ice Machines Installation Use Care and Service Manual Thank you for selecting a Manitowoc Ice Machine the dependability leader in ice making equipment and related products With proper care and maintenance your new Manitowoc Ice Machine will provide you with many years of reliable and economical performance We reserve the right to make product improvements at any time Specifications and design are subject to change without notice Part Number 000001774 10 06 Safety Notices When using or servicing these Ice Machines be sure to pay close attention to the safety notices in this manual Disregarding the notices may lead to serious injury and or damage to the ice machine Throughout this manual you will see the following types of safety notices WARNING Text in a Warning box alerts you to a potential personal injury situation Be sure to read the Warning statement and then proceed carefully N CAUTION Text in a Caution box alerts you to a situation in which you could damage the ice machine Be sure to read the Caution statement and then proceed carefully CAUTION Proper care and maintenance are essential for maximum ice production and trouble free operation of your Manitowoc Ice Machine Read and understand this manual It contains valuable care and maintenance information If you encounter problems not covered by this manual feel free to contact Manitowoc Ice Inc We will be
14. ap and water solution 2 Clean the outside of the condenser with a soft brush or a vacuum with a brush attachment Clean from top to bottom not side to side Be careful not to bend the condenser fins Maintenance Shine a flashlight through the condenser to check for dirt between the fins If dirt remains Blow compressed air through the condenser fins from the inside Be careful not to bend the fan blades 4 Usea commercial condenser coil cleaner Follow the directions and cautions supplied with the cleaner Straighten any bent condenser fins with a fin comb 6 Carefully wipe off the fan blades and motor with a soft cloth Do not bend the fan blades If the fan blades are excessively dirty wash with warm soapy water and rinse thoroughly CAUTION If you are cleaning the condenser fan blades with water cover the fan motor to prevent water damage 4 7 Maintenance REMOVAL FROM SERVICE WINTERIZATION 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 SELF CONTAINED AIR COOLED ICE MACHINES 1 Disconnect the electric power at the circuit breake
15. ctrical connections in the rear of the ice machine e The location must not obstruct airflow through or around the ice machine Refer to the chart below for clearance requirements Air Cooled Water Cooled 5 203 mm 5 127 mm 5 127 mm 5 127 mm Top Sides NOTE The ice machine may be built into a cabinet There is no minimum clearance requirement for the top or left and right sides of the ice machine The listed values are 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 on page 4 10 Section 2 Ice Machine Heat of Rejection Series Heat of Rejection Ice Machine Air Conditioning Peak B T U Hour Because the heat of rejection varies during the ice making cycle the figure shown is an average 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 Section 2 Leveling the Ice Machine 1 Screw the leveling legs onto the bottom of the ice machine 2 Screw the foot of each leg in as far as possible CAUTION The legs must be screwed in tight
16. e thickness probe See adjustment 3 5 Uneven ice fill thin at top of See Shallow or Incomplete Cubes evaporator on the next page Ice quality is poor soft or not Poorincoming water quality Contact a qualified service company Clear to test the quality of the incoming waterand make appropriate filter recommendations See pages 4 3 and 4 4 See page 3 4 applicable Continued on next page 5 1 Before Calling for Service Section 5 Possible Cause Ice machine produces shallow orincomplete cubes orthe ice fill pattem on the evaporatoris incomplete Low ice capacity Ice thickness probe is out of Adjust the ice thickness probe See adjustment page 3 5 Water trough level isto high ortoo low Check the water level See page 3 4 Water float valve filter screen is dirty Remove and clean the filter screen See page 41 water supply See page 2 6 Clean it See page 4 7 137 9 551 5 kPA See page 2 3 See page 4 1 Incoming water supply is shut off Open the watersupply valve Water float valve stuck open Remove the water float valve and leaking Clean it See page 4 7 The condenseris dirty Clean the condenser See page 4 1 High airtemperature around ice Airtemperature must not exceed machine air cooled models 110 F 43 3 C Inadequate clearance in front ofthe Provide adequate clearance ice machine See page 2 2 Objects stacked around ice machine Remove ite
17. ean mode and the water pump is running The correct water level is 1 4 6 3mm to 3 8 9 5mm below the top of the standpipe SIPHON CAP 1 4 TO 3 8 6 3 9 5 MM BELOW OF STANDPIPE SV1689 2 Water Level The float valve is factory set for the proper water level If adjustments are necessary 1 Verify the ice machine is level see page 2 3 2 Remove the siphon cap from the standpipe 3 Place the main ICE OFF W ASH toggle switch to the WASH position and wait until the float valve stops adding water 4 Adjust the water level to 1 4 6 3mm to 3 8 9 5mm below the standpipe A Loosen the two screws on the float valve bracket B Raise or lower the float valve assembly as necessary then tighten the screws 5 Move the main ICE OFF WASH toggle switch to the OFF position The water level in the trough will rise above the standpipe and run down the drain 6 Replace the siphon cap on the standpipe and verify water level and siphon action by repeating steps 3 through 5 Section 3 Ice Machine Operation ICE THICKNESS CHECK The ice thickness probe 1 factory set to maintain the ice bridge thickness at 1 8 3 2 mm 1 Inspect the bridge connecting the cubes It should be about 1 8 3 2 mm thick 2 If adjustment is necessary turn the ice thickness probe adjustment screw clockwise to increase bridge thickness or counterclockwise to decrease bridge thickness NOTE Turning the adjustme
18. enser filter Dirty condenser fins Defective fan cycling control Defective fan motor Refrigeration system Non Manitowoc components Improper refrigerant charge Defective hot gas valve Defective compressor DV starving or flooding check insulation and bulb mounting Non condensables in refrigeration system Plugged or restricted high side refrigerant linesor component Safety Limit 2 Harvest time exceeds 3 5 minutes for 3 consecutive harvest cycles Possible Cause Check Conect Improper installation e See Installation Instructions Section two of this manual Water system Waterarea evaporator dirty Water freezing behind evaporator Low water pressure 20 psi min Loss of water from sump area Clogged water distribution tube Dirty defective waterfloat valve Defective water Electrical system Ice thickness probe out of adjustment Ice thickness probe dirty Bin switch defective Premature harvest Refrigeration system Non Manitowoc components Improper refrigerant charge Defective hot gas valve TXV flooding check insulation and bulb mounting Defective fan cycling control Because there are many possible external problems do not limit your diagnosis to only the items listed in these charts 5 4 DECLARATION OF CONFORMTIY ice machines ond Multiplex refrigeration equipment We hereby declare that our products the essential requirements of the listed EC directives comply with al Manufacturer Manitowoc Ice Inc
19. f the ice machine electrical supply water supply or drainage or damage caused by floods storms or other acts of God 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 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 7 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 your Manitowoc distributor or a Contracted Service Representative must perform the warranty repair 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 SERVICE CALLS 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
20. ghout the entire Freeze and Harvest Sequences The hot gas valve 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 a relay As a result any time the relay coil is energized the compressor and fan motor are supplied with power FREEZE SEQUENCE 3 Prechill The compressor is on for 30 seconds prior to water flow to Prechill the evaporator 4 Freeze The water pump starts after the 30 second Prechill An even flow of water is directed across the evaporator and into each cube cell where it freezes When sufficient ice has formed the water flow not the ice contacts the ice thickness probe After approximately 7 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 3 2 HARVEST SEQUENCE 5 Harvest The water pump de energizes stopping flow over the evaporator The rising level of water in the sump trough diverts water out of the over flow tube purging excess minerals from the sump trough The hot gas valve also opens to divert hot refrigerant gas into the evaporator The
21. ibiting scale formation filtering sediment and removing chlorine taste and odor A wa ming PERSONAL INJURY POTENTIAL Do not operate equipment that has been misused abused neglected damaged or altered modified from that of original manufactured specifications MANITOWOC CLEANER AND SANITIZER Manitowoc Ice Machine Cleaner and Sanitizer are available in convenient 16 oz 473 ml and 1 gal 3 78 1 bottles These are the only cleaner and sanitizer approved for use with Manitowoc products Cleaner Part Number Sanitizer Part number 1607 94 0456 3 1607 94 0565 3 1 Gallon 94 0580 3 1 Gallon 94 0581 3 General Infomation Model Serial Number Location Record the model and serial number of your ice machine in the space provided below These numbers are required when requesting information from your local Manitowoc distributor service representative or Manitowoc Ice Inc Section 1 The model and serial number are listed on the OWNER WARRANTY REGISTRATION CARD They are also listed on the MODEL SERIAL NUMBER DECAL affixed to the ice machine MODEL SERIAL goa NUMBER PLATE MODEL SERIAL a NUMBER PLATE 1732 Model Serial Number Location Model Number Serial Number Section 1 Owner Warranty Registration Card GENERAL The packet containing this manual also includes warranty information Warranty coverage begins the day your new ice machine is installed
22. ly to prevent them from bending 3 Move the ice machine into its final position 4 Level the ice machine to assure that siphon system functions correctly Use a level on top of the ice machine Turn each foot as necessary to level the ice machine from front to back and side to side THREAD LEVELING LEG INTO BASE OF CABINET THREAD FOOT IN AS FAR AS POSSIBLE Leveling Leg and Foot SV1606 Installation Instructions Important Level the ice machine from front to back and side to side 1704 Checking Ice Machine Level Installation Instructions THIS PAGE INTENTIONALLY LEFT BLANK Section 2 Section 2 Electric al Service GENERAL WARNING wiring must conform to local state and national codes VOLTAGE The maximum allowable voltage variation is 10 of the rated voltage on the ice machine model serial number nameplate at start up when the electrical load is highest WARNING The ice machine must be grounded in accordance with national and local electrical codes Installation Instructions FUSE CIRCUIT BREAKER 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 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 i
23. mineral deposits Ice machine sanitizer disinfects and removes algae and slime 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 CAUTION Never use anything to force ice from the evaporator Damage may result Step 2 Remove all ice from the bin Step 3 To start a cleaning cycle move the toggle switch to the WASH position Step 4 Add the proper amount of Manitowoc Ice Machine Cleaner to the water trough ________ AmountofCleaner QM45 1 5 ounces 45 ml Step 5 Wait until the clean cycle is complete approximately 22 minutes then place the toggle switch in the OFF position disconnect power and water supplies to the ice machine 4 1 Maintenance WARNING Disconnect electric power to the ice machine at the electric switch box before proceeding Step 6 Remove parts for cleaning A Remove the Vinyl Hose e Disconnect the water hose from the distribution tube and water pump B Remove Water Pump e Disconnect the water pump power cord DO NOT SOAK WATER PUMP MOTOR IN CLEANER OR SANITIZER SOLUTIONS 1694 1 Water Pump Removal e Loosen the screws securing the pump mounting bracket to the bulkhead e Lift the pump and bracket assembly off the mounting screws 4 2 Section 4 C Remove the Ice Thickness Probe
24. ms blocking airflow blocking airflow to condenser air cooled models Safety Limit Feature In addition to the standard safety controls your 1 Move the ON OFF WASH switch to OFF and Manitowoc ice machine features built in safety limits then back to ON that will stop the ice machine if conditions arise A If the safety limit feature has stopped the ice which could cause a major component failure machine it will restart after a short delay Before calling for service re start the ice machine using the following procedure 5 2 Proceed to step 2 B If the ice machine does not restart see Ice machine does not operate on the previous page 2 Allow the ice machine to run to determine if the condition is reoccurring A If the ice machine stops again the condition has reoccurred Call for service B the ice machine continues to run the condition has corrected itself Allow the ice machine to continue running Section 5 Before Calling for Service SAFETY LIMITS General In addition to standard safety controls the control board has two built in safety limit controls which protect the ice machine from major component failures Safety Limit 1 If the freeze time reaches 60 minutes the control board automatically initiates a harvest cycle If three consecutive 60 minute freeze cycles occur the ice machine stops Safety Limit 2 If the harvest time reaches 3 5 minutes the control board automatically re
25. ner solution will foam when it contacts lime scale and mineral deposits once the foaming stops use a soft bristle brush sponge or cloth not a wire brush to carefully clean the parts Soak the parts for 5 minutes 15 20 minutes for heavily scaled parts Rinse all components with clean water Step 9 While components are soaking use of the cleaner water solution to clean all foodzone surfaces of the ice machine and bin Use a nylon brush or cloth to thoroughly clean the following ice machine areas e Evaporator plastic parts including top bottom and sides e Bin bottom sides and top Rinse all areas thoroughly with clean water Step 10 Mix a solution of sanitizer and warm water Water Mixed With Solution Type Sanitizer 6 gal 23 1 4 oz 120 ml sanitizer Step 11 Use 1 2 of the sanitizer water solution to sanitize all removed components Use a cloth or sponge to liberally apply the solution to all surfaces of the removed parts or soak the removed parts in the sanitizer water solution Do not rinse parts after sanitizing 4 5 Maintenance Step 12 Use 1 2 of the sanitizer water solution to sanitize all foodzone surfaces of the ice machine and bin Use a cloth or sponge to liberally apply the solution When sanitizing pay particular attention to the following areas e Evaporator plastic parts including top bottom and sides Bin bottom sides and top Do not rinse the sanitized areas Step 13
26. ness probe in the freeze cycle will cause the harvest light to flash Do not mistake a harvest light flashing in the freeze cycle with a safety limit indication Acontinuous run of 100 harvests automatically erases the safety limit code e The control board will store and indicate only one safety limit the last one exceeded If the toggle switch is moved to the OFF position and then back to the ICE position prior to reaching the 100 harvest point the last safety limit exceeded will be indicated e Ifthe harvest light did not flash prior to the ice machine restarting then the ice machine did not stop because it exceeded a safety limit 5 3 Before Calling for Service Section 5 Safety Limit 1 Freeze time exceeds 60 minutes for 3 consecutive freeze cycles Possible Cause Check Conect Improper installation e See Installation Instructions Section two of this manual Water system Low water pressure 20 psi minimum High water pressure 80 psi maximum High water temperature 90 F 32 2 C maximum Clogged water distribution tube Dirty defective water float valve Lossof waterfrom sump area Defective water pump Electrical system Ice thickness probe out of adjustment Harvest cycle not initiated electrically Relay not energizing Compressor electrically non operational Restricted condenser air flow High inlet air temperature 110 F 43 3 C maximum air cooled models Condenser discharge air recirculation Dirty cond
27. nt 1 3 of a turn will change the ice thickness about 1 16 1 5 mm ADJUSTING SCREW 1 8 3 2MM ICE BRIDGE THICKNESS 1208 Ice Thickness Check Make sure the ice thickness probe wire and the bracket do not restrict movement of the probe 3 5 Ice Machine Operation Section 3 THIS PAGE INTENTIONALLY LEFT BLANK 3 6 Section 4 Maintenance Section 4 Maintenance Interior Cleaning and Sanitizing GENERAL 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 The ice machine must be taken apart for cleaning and sanitizing 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 CLEANING AND SANITIZING PROCEDURE CAUTION Do not mix Ice Machine Cleaner and Sanitizer solutions together It is a violation of Federal law to use these solutions in a manner inconsistent with their labeling WARNING Wear rubber gloves and safety goggles and or face shield when handling Ice Machine Cleaner or Sanitizer Ice machine cleaner is used to remove lime scale and
28. perform properly call your authorized service company General Infomation Section 1 THIS PAGE INTENTIONALLY LEFT BLANK Section 2 Installation Instructions Section 2 Installation Instructions General These instructions are provided to assist the qualified Important installer Check your local Yellow Pages for the Failure to follow these installation guidelines may name of the nearest Manitowoc distributor or call affect warranty coverage Manitowoc Ice Inc for information regarding start up services Ice Machine Dimensions QM 45 ICE MACHINES 6 00 15 24 CM SV1679B 2 88 7 3 22 34 rl BT 6 19 56 74 CM 15 7 oe SV1678E ICE MAKING WATER INLET 30 bow 76 2 ICE MAKING A WATER BIN DRAIN dx DW NP 2 ELECTRICAL P d INLET 7 1735 I 1733 Installation Instructions 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 e The location must be indoors The location must be free of airborne and other contaminants e The air temperature must be at least 35 F 1 6 C but must not exceed 110 F 43 490 e 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 e The location must allow enough clearance for water drain and ele
29. r or the electric service switch 2 Turn off the water supply 3 Remove the water from the water trough 4 Disconnect and drain the incoming ice making water line at the rear of the ice machine 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 6 Make sure water is not trapped in any of the water lines drain lines distribution tubes etc 4 8 Section 4 Section 5 Before Calling for Service Section 5 Before Calling for Service Checklist If a problem arises during operation of your ice machine follow the checklist below before calling for service Routine adjustments and maintenance procedures are not covered by the warranty machine does not operate No electrical power to the ice Replace the fuse reset the breaker tum on the main switch plug power cord into receptacle improperly position swinging freely See page 6 2 restarted by moving the toggle machine next page switch to OFF and backto ICE ice oris slow to harvest See pages 4 3 and 4 4 See page 2 3 Low airtemperature around ice machine air cooled models 1 6 Replace waterregulating valve mode water cooled models Ice machine does not cycle The six minute freeze time lock in has gt Waitforfreeze lock in to expire into harvest mode not expired yet See pages 4 3 and 4 4 disconnected ERE NN the ic
30. 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 contacts the ice damper opening the bin switch The momentary opening and re closing of the bin switch terminates the Harvest sequence and returns the ice machine to the Freeze Sequence steps 3 4 AUTOMATIC SHUT OFF 7 Automatic Shut Off When the storage bin is full at the end of a Harvest sequence the sheet of cubes fails to clear the ice damper and will hold it down After the ice damper is held open for 7 seconds the ice machine shuts off The ice machine will remain off for 3 minutes before it can automatically restart The ice machine remains off until enough ice has been removed from the storage bin to allow the ice to fall clear of the damper As the ice damper 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 Section 3 Ice Machine Operation INITIAL START UP or 1 Pressure Equalization 2 Refrigeration System Start up FREEZE SEQUENCE 3 Pre Chill 4 Freeze HARVEST SEQUENCE 5 Harvest 6 AUTO SHUT OFF Condenser Fan Motor QM45 SELF CONTAINED AIR COOLED MODELS ICE MAKING SEQUENCE OF OPERATION CONTROL BOARD RELAYS 1 2 WATER PUMP HOT GAS VALVE RELAY COIL COMPRESSOR CONDENSER FAN MOTOR LENGTH of ON TIM
31. t must be determined by a qualified electrician WARNING Never use an extension cord If an outlet 15 not within reach of the ice machine s power cord have a proper amperage outlet wired closer to the ice machine The 115 1 60 ice machines are factory pre wired with a 6 power cord and NEMA 5 20P plug configuration The 230 50 1 ice machines are factory pre wired with a 6 power cord only no plug is supplied QM 45 ICE MACHINE Maximum le Fuse Circuit Breaker Air C AirCodled Total Amps 115 1 60 230 1 50 For United Kingdom Only As the colours of the wires in the mains lead of the appliance may not correspond with the coloured markings identifying the terminals in your plug proceed as follows e The wire which is coloured 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 coloured green or green and yellow The wire coloured blue must be connected to the terminal which 15 marked with the letter N or coloured black The wire coloured brown must be connected to the terminal which is marked with the letter L or coloured red Installation Instructions Water Servic e Drains WATER SUPPLY Local water conditions may require treatment of the water to inhibit scale formation filter sediment remove chlorine and improve taste and clarity Important If you are installing a Manitowoc Tri Liminator
32. turns the ice machine to the freeze cycle If three consecutive 3 5 minute harvest cycles occur the ice machine stops Safety Limit Stand By Mode The first time a safety limit shut down occurs the ice machine turns off for 60 minutes Stand by Mode The ice machine will then automatically restart to see if the problem reoccurs During the Stand By Mode the harvest light will be flashing continuously and a safety limit indication can be viewed If the same safety limit is reached a second time the problem has re occurred the ice machine will initiate a safety limit shut down and remain off until it is manually restarted During a safety limit shut down the harvest light will be flashing continuously Determining Which Safety Limit Stopped The Ice Machine When a safety limit condition causes the ice machine to stop the harvest light on the control board continually flashes on and off Use the following procedures to determine which safety limit has stopped the ice machine 1 Move the toggle switch to OFF 2 Move the toggle switch back to ON 3 Watch the harvest light It will flash one or two times corresponding to safety limits 1 and 2 to indicate which safety limit stopped the ice machine After safety limit indication the ice machine will restart and run until a safety limit is exceeded again Safety Limit Notes A safety limit indication is completed before the water pump starts Water contacting the ice thick
33. water filter system refer to the Installation Instructions supplied with the filter system for ice making water inlet connections WATER INLET LINES Follow these guidelines to install water inlet lines Donot 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 e If water pressure exceeds the maximum recommended pressure 80 psig obtain a water pressure regulator from your Manitowoc distributor e Install a water shut off valve for the ice making water line e Insulate water inlet line to prevent condensation Section 2 DRAIN CONNECTIONS Follow these guidelines when installing drain lines to prevent drain water from flowing back into the ice machine and storage bin e The ice machine comes equipped with a vinyl drain hose for use with floor drains e The floor drain must be large enough to accommodate drainage from all drains e Insulate the bin drain to prevent condensation Drainlines must have a 1 2 5 cm drop per 40 1 meter of run and must not create traps Important The Commonwealth of Massachusetts requires that all water cooled models must be connected only to a closed loop cooling tower system Section 2 Installation Instructions WATER SUPPLY AND DRAIN LINE SIZING CONNECTIONS CAUTION Plumbing must conform to state and local codes Temperature Pressure Fitting
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