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

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

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QM20 Series

Ice Machine

Installation,
Use and 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 000001770
10/06

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Summary of Contents for Manitowoc QM20 Series

  • Page 1: Ice Machine

    Use and 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.

  • Page 2: Safety Notices

    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 happy to provide assistance. Warning Personal Injury Potential...

  • Page 3: Table Of Contents

    Table of Contents Table of Contents Section 1 - General Information Model/Serial Number Location ........................1-1 Owner Warranty Registration Card......................1-2 Warranty Coverage ............................1-2 Section 2 - Installation Instructions Dimensions................................ 2-1 Location of Ice Machine ..........................2-2 Leveling the Ice Machine..........................2-2 Electrical Service..............................
  • Page 4 Table of Contents THIS PAGE INTENTIONALLY LEFT BLANK...

  • Page 5: Section 1 - General Information

    These numbers OWNER WARRANTY REGISTRATION CARD. are required when requesting information from your They are also listed on the MODEL/SERIAL Manitowoc distributor, service representative, or the NUMBER DECAL affixed to the ice machine. factory. MODEL AND...

  • Page 6: Owner Warranty Registration Card

    3. Damage caused by improper installation of the REGISTRATION CARD, Manitowoc will use the ice machine, electrical supply, water supply or date of sale to the Manitowoc Distributor as the first drainage, or damage caused by floods, storms, day of warranty coverage for your new ice machine.

  • Page 7: Section 2 - Installation Instructions

    Section 2 Installation Instructions Section 2 Installation Instructions Dimensions 38.10 cm (15.00”) 76.20 cm (30.00”) 3.73 cm 3.58 cm (1.47”) (1.41”) 20.54 cm 20.54 cm (8.09”) (8.09”) 15.72 cm (6.19”) 55.93 cm (22.02”) 1.90 cm ± 0.63 cm 19.05 cm (0.75”...

  • Page 8: Location Of Ice Machine

    Installation Instructions Section 2 Location of Ice Machine Leveling the Ice Machine The location selected for the ice machine must meet After moving the ice machine into the installation the following criteria. If any of these criteria are not location, it must be leveled for proper operation. met, select another location.

  • Page 9: Electrical Service

    Section 2 Installation Instructions Electrical Service GENERAL VOLTAGE The maximum allowable voltage variation is ± 10% WARNING of the rated voltage at ice machine start-up (when the electrical load is highest). All wiring must conform to local, state and national codes.
  • Page 10 Installation Instructions Section 2 ELECTRICAL CORD STRAIN RELIEF TERMINAL BLOCK WIRE CONNECTION To prevent strain at the electrical connection inside WARNING the ice machine, an electrical cord strain relief device must be installed on the rear panel of the ice machine. Always disconnect power to the ice machine before working on electrical circuitry.

  • Page 11: Water Service/Drains

    Important Important The water inlet line is connected to the water valve. If you are installing a Manitowoc water filter This valve is located just behind the front panel of system, refer to the Installation Instructions the ice machine.

  • Page 12: Installation Instructions

    Installation Instructions Section 2 ROUTE ICE MAKING WATER INLET TUBING THROUGH ICE MACHINE AND CONNECT TO WATER INLET VALVE ICE MAKING/BIN WATER DRAIN TUBING 1.59 cm (5/8”) MINIMUM INSIDE DIAMETER ICE MAKING WATER INLET TUBING 0.95 cm (3/8”) MINIMUM INSIDE DIAMETER SV1708 Typical Water Supply and Drain Line Sizing and Connections...

  • Page 13: Section 3 - Ice Machine Operation

    Section 3 Ice Machine Operation Section 3 Ice Machine Operation Sequence of Operation Control Board Relays Ice Making Length of Sequence of Hot Gas Valve Water Pump Compressor “ON” Time Operation Water Fill Valve Fan Motor Start-Up 2.9 Minutes 1. Water Purge (175 Seconds) 2.

  • Page 14: Ice Thickness Adjustment

    200 - 270g slab weight is not within this range or you desire (7 - 9-oz) contact the Manitowoc Service a slightly thicker or thinner cube, continue to Department for further assistance.

  • Page 15: Section 4 - Maintenance

    Ice machine sanitizer disinfects and CAUTION removes algae and slime. Use only Manitowoc approved Ice Machine Cleaner (part Step 1 Set the toggle switch to the OFF position after number 94-0546-3) and Sanitizer (part number 94-0565-3). It ice falls from the evaporator at the end of a Harvest is a violation of Federal law to use these solutions in a manner inconsistent with their labeling.
  • Page 16 Step 6: Remove parts for cleaning. (about three minutes) then add the proper amount of A. Remove the Bin Door Manitowoc Ice Machine Cleaner to the water trough. • Grasp the rear of the bin door and pull bin door forward approximately 5”.
  • Page 17 Section 4 Maintenance Parts Removal Overview WATER DISTRIBUTION TUBE WATER PUMP AND BRACKET ASSEMBLY WATER PUMP OUTLET HOSE OVERFLOW TUBE EVAPORATOR ASSEMBLY (REMAINS IN PLACE) WATER TROUGH...
  • Page 18 Maintenance Section 4 B. Remove the Overflow Tube D. Remove the Water Pump • • To remove the tube, lift it up while using a slight Disconnect the water pump power cord. • back and forth motion to loosen it from the drain Disconnect the water hose from the pump outlet.
  • Page 19 WASH position. cloth to thoroughly clean the following ice machine areas: Step 15 Add the proper amount of Manitowoc Ice Machine Sanitizer to the water trough. • Evaporator plastic parts – including top, bottom...

  • Page 20: Exterior Cleaning

    Maintenance Section 4 EXTERIOR CLEANING WARNING Clean the area around the ice machine as often as necessary to maintain cleanliness and efficient Disconnect electric power to the ice machine at the electric switch box before proceeding. operation. Sponge any dust and dirt off the outside of the ice Step 17 Repeat step 6 to remove parts for hand machine with mild soap and water.

  • Page 21: Cleaning The Condenser

    Section 4 Maintenance CLEANING THE CONDENSER Clean the outside of the condenser with a soft brush or a vacuum with a brush attachment. Clean from top WARNING to bottom, not side to side. Be careful not to bend the condenser fins. Disconnect electric power to the ice machine at the electric service switch before cleaning the condenser.

  • Page 22: Removal From Service/Winterization

    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 0°C (32°F) or below. CAUTION If water is allowed to remain in the ice machine in freezing temperatures, severe damage to some components could result.

  • Page 23: Section 5 - Before Calling For Service

    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. Problem Possible Cause To Correct Ice machine does not No electrical power to the ice Replace the fuse/reset the operate.

  • Page 24: Before Calling For Service

    Before Calling for Service Section 5 Problem Possible Cause To Correct Ice machine produces Water level is low. Be sure the overflow tube is fully shallow or incomplete cubes, seated to prevent water leakage. or the ice fill pattern on the See page 4-5.
  • Page 26 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.

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