Manitowoc QM20 Series, Installation, Use And Care, And Service Manual

Page 1: ...ader 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 000001720 10 06 ...

Page 2: ...ill 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 ...

Page 3: ...n of Ice Machine 2 2 Leveling the Ice Machine 2 2 Electrical Service 2 3 Water Service Drains 2 5 Section 3 Ice Machine Operation Sequence of Operation 3 1 Ice Thickness Adjustment 3 2 Section 4 Maintenance Interior cleaning and Sanitizing 4 1 Cleaning and Sanitizing Procedure 4 1 Exterior Cleaning 4 6 Cleaning the Condenser 4 7 Removal from Service Winterization 4 8 Section 5 Before Calling for S...

Page 4: ...Table of Contents ii THIS PAGE INTENTIONALLY LEFT BLANK ...

Page 5: ...ired when requesting information from your Manitowoc distributor service representative or the factory 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 Number Location MODEL NUMBER ________________________ SERIAL NUMBER _________________________ SV1702 MODEL AND SERIAL NUMBER...

Page 6: ... Guide 2 Repairs due to unauthorized modifications to the ice machine or the use of non standard parts without prior written approval Manitowoc Ice Inc 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 4 Premium labor rates due to holidays overtime etc travel time flat rate service call char...

Page 7: ...ed 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 unauthorized alterations modifications or changes a...

Page 8: ...1 4 General Information Section 1 INTENTIONALLY LEFT BLANK ...

Page 9: ... Instructions 2 1 Section 2 Installation Instructions Dimensions SV1717 20 54 cm 8 09 3 73 cm 1 47 19 05 cm 7 50 1 90 cm 0 63 cm 0 75 0 25 15 72 cm 6 19 38 10 cm 15 00 76 20 cm 30 00 55 93 cm 22 02 20 54 cm 8 09 3 58 cm 1 41 ...

Page 10: ...s 203 mm 5 Back 127 mm 5 NOTE The ice machine may be built into a cabinet There is no minimum clearance requirement for the top or the left and right sides of the ice machine Ice Machine Heat of Rejection Series Heat of Rejection Ice Machine Air Conditioning Peak QM20 1450 2100 B T U Hour Because the heat of rejection varies during the ice making cycle the figure shown is an average Ice machines l...

Page 11: ... ice machine NOTE A disconnect means must be provided for field wiring ELECTRICAL RATING The electrical rating is used to help select the wire size of the electrical supply The wire size or gauge also depends on location materials used length of run etc so it must be determined by a qualified electrician FOR UNITED KINGDOM ONLY As the colours of the wires in the mains lead of the appliance may not...

Page 12: ...er TERMINAL BLOCK WIRE CONNECTION WARNING Always disconnect power to the ice machine before working on electrical circuitry After the electrical cord is installed in the strain relief device the cord must be connected to the terminal block to supply power to the ice machine 1 Remove two Phillips head screws to remove the lower panel from the front of the ice machine 2 Carefully reach into the ice ...

Page 13: ...ter inlet line is connected to the water valve This valve is located just behind the front panel of the ice machine DRAIN CONNECTIONS Follow these guidelines when installing drain lines to prevent drain water from flowing back into the ice machine and storage bin Drain lines must have a 2 5 cm 1 inch drop per 1 meter 40 inches of run and must not create traps The floor drain must be large enough t...

Page 14: ... Drain Line Sizing and Connections SV1708 ICE MAKING WATER INLET TUBING 0 95 cm 3 8 MINIMUM INSIDE DIAMETER ICE MAKING BIN WATER DRAIN TUBING 1 59 cm 5 8 MINIMUM INSIDE DIAMETER ROUTE ICE MAKING WATER INLET TUBING THROUGH ICE MACHINE AND CONNECT TO WATER INLET VALVE ...

Page 15: ...er pump are energized and remain on throughout the entire freeze cycle An even flow of water is directed across the evaporator and into each cube cell where it freezes The control system automatically determines the length of the freeze cycle by monitoring the temperature of the refrigeration system liquid line 4 HARVEST CYCLE The condenser fan motor and water pump de energize The water fill valve...

Page 16: ... 7 9 oz If the slab weight is within this range the ice machine is working properly and no further action is needed If the slab weight is not within this range or you desire a slightly thicker or thinner cube continue to step four WARNING Do not touch electrical wires Disconnect power to the ice machine before making any ice thickness adjustments 4 Remove the air filter 5 Remove the two screws hol...

Page 17: ...nner 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 Cle...

Page 18: ...the Bin Door 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 Slide the rear door pins off the end an...

Page 19: ...4 3 Section 4 Maintenance Parts Removal Overview WATER TROUGH OVERFLOW TUBE WATER DISTRIBUTION TUBE WATER PUMP AND BRACKET ASSEMBLY WATER PUMP OUTLET HOSE EVAPORATOR ASSEMBLY REMAINS IN PLACE ...

Page 20: ...oving the Overflow Tube C Remove the Vinyl Hose Disconnect the water pump discharge hose from the distribution tube and water pump D Remove the Water Pump Disconnect the water pump power cord Disconnect the water hose from the pump outlet Loosen the screws that hold the water pump in place Lift the water pump and bracket assembly up and off the screws Removing the Water Pump E Remove the Water Tro...

Page 21: ...th clean water Step 10 Mix a solution of sanitizer and warm water Solution Type Water Mixed With Sanitizer 23 L 6 gal 120 ml 4 ounces 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...

Page 22: ...ntion to the following areas Evaporator plastic parts including top bottom and sides Bin bottom sides and top Do not rinse the sanitized areas Step 21 Replace all removed components Step 22 Reapply power and water to the ice machine and place the toggle switch in the ICE position EXTERIOR CLEANING Clean the area around the ice machine as often as necessary to maintain cleanliness and efficient ope...

Page 23: ...on Removing the Filter 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 2 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 3 Use a c...

Page 24: ...ratures severe damage to some components could result Damage of this nature is not covered by the warranty 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 4 Disconnect the drain and the incoming ice making water line at the rear of the ice machine 5 Make sure no water is trapped inside the ic...

Page 25: ...rvest Ice machine is dirty Clean and sanitize the ice machine See pages 4 3 and 4 4 Ice machine is not level Level the ice machine See page 2 2 Low air temperature around ice machine air cooled models Air temperature must be at least 10 C 50 F 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 app...

Page 26: ...al is not set properly Adjust the ice thickness adjustment dial See page 3 2 Incorrect incoming water pressure Water pressure must be 240 620 kPA 34 8 89 9 psi Ice machine is not level Level the ice machine See page 2 2 Low ice capacity Water inlet valve filter screen is dirty Remove the water inlet valve and clean the filter screen See page 4 6 Incoming water supply is shut off Open the water ser...

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Page 28: ...MANITOWOC ICE INC 2110 South 26th Street P O Box 1720 Manitowoc WI 54221 1720 Phone 920 682 0161 Fax 920 683 7585 Web Site www manitowocice com 2006 Manitowoc Ice Inc ...