Manitowoc QM45 Series Installation And Use Manual
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Manitowoc QM45 Series Installation And Use Manual

Manitowoc ice installation, use, care, and service manual ice machines qm45 series
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QM45 Series
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

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Summary of Contents for Manitowoc QM45 Series

  • Page 1 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.

  • Page 2: Safety Notices

    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. Procedural Notices When using or servicing these Ice Machines, be sure to read the procedural notices in this manual.

  • Page 3: Table Of Contents

    Section 1 - General Information Model Numbers... 1-1 Accessories ... 1-1 Model/Serial Number Location ... 1-2 Owner Warranty Registration Card... 1-3 Warranty Coverage ... 1-3 Section 2 - Installation Instructions General... 2-1 Ice Machine Dimensions... 2-1 Location of Ice Machine ... 2-2 Ice Machine Heat of Rejection...
  • Page 4 Table of Contents Table of Contents (cont.) Section 4 - Maintenance General... 4-1 Cleaning and Sanitizing Procedure... 4-1 Exterior Cleaning... 4-7 Cleaning the Condenser ... 4-7 Removal from Service/Winterization... 4-8 Section 5 - Before Calling for Service Checklist... 5-1 Safety Limit Feature ... 5-2 Safety Limits...

  • Page 5: Model Numbers

    Section 1 General Information MANITOWOC CLEANER AND SANITIZER Manitowoc Ice Machine Cleaner and Sanitizer are Voltage available in convenient 16 oz. (473 ml) and 1 gal (3.78 l) bottles. These are the only cleaner and 115/60/1 sanitizer approved for use with Manitowoc products.

  • Page 6: 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. Ice Machine Model Number Serial Number The model and serial number are listed on the OWNER WARRANTY REGISTRATION CARD.

  • Page 7: Owner Warranty Registration Card

    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. PARTS 1. Manitowoc warrants the ice machine against...

  • Page 8: Warranty Coverage

    WHO IS COVERED BY THIS LIMITED WARRANTY? This limited warranty only applies to the original consumer of the Product and is not transferable. WHAT ARE MANITOWOC ICE’S OBLIGATIONS UNDER THIS LIMITED WARRANTY? If a defect arises and Manitowoc receives a valid warranty...

  • Page 9: Section 2 - Installation Instructions

    General 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. Ice Machine Dimensions QM-45 ICE MACHINES 6.00”...

  • Page 10: Location Of Ice Machine

    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.

  • Page 11: Leveling The Ice Machine

    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 tightly to prevent them from bending.
  • Page 12 Installation Instructions Section 2 THIS PAGE INTENTIONALLY LEFT BLANK...

  • Page 13: Electrical Service

    Section 2 Electrical Service GENERAL WARNING All 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).

  • Page 14: Water Service/Drains

    Installation Instructions Water Service/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 water filter system, refer to the Installation Instructions supplied with the filter system for ice making water inlet connections.
  • Page 15 WATER SUPPLY AND DRAIN LINE SIZING/CONNECTIONS CAUTION Plumbing must conform to state and local codes. Water Location Temperature Ice Making 33°F (0.6°C) Min. Water Inlet 90°F (32.2°C) Max. Bin Drain Typical Water Supply Drain Installation Water Ice Machine Pressure 20 psi (137.9 kPA) Min. 3/8”...

  • Page 16: Installation Checklist

    Has the ice machine and bin been sanitized? Has this manual been given to the owner/operator? Before Starting the 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.

  • Page 17: Section 3 - Ice Machine Operation

    Section 3 Component Identification WATER DISTRIBUTION TUBE CONDENSER AIR FILTER Ice Machine Operation ICE THICKNESS PROBE FLOAT VALVE ASSEMBLY EVAPORATOR BIN SWITCH MAGNET ICE DAMPER WATER TROUGH ON/OFF/WASH TOGGLE SWITCH COMPRESSOR COMPARTMENT ACCESS SCREWS Ice Machine Operation SIPHON CAP SV1731A WATER PUMP SV1733...

  • Page 18: Ice Making Sequence Of Operation

    Ice Machine Operation 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.

  • Page 19: Ice Machine Operation

    Section 3 QM45 SELF-CONTAINED AIR COOLED MODELS CONTROL BOARD RELAYS WATER PUMP INITIAL START-UP/or START UP AFTER AUTO SHUT- OFF: 1. Pressure Equalization 2. Refrigeration System Start-up FREEZE SEQUENCE: 3. Pre-Chill 4. Freeze HARVEST SEQUENCE: 5. Harvest 6. AUTO SHUT- Condenser Fan Motor: The fan motor is wired through a fan cycle pressure control, therefore, it may cycle on and off.

  • Page 20: Operational Checks

    Ice Machine Operation 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: •...

  • Page 21: Ice Bridge Thickness

    Section 3 ICE THICKNESS CHECK The ice thickness probe is 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.
  • Page 22 Ice Machine Operation Section 3 THIS PAGE INTENTIONALLY LEFT BLANK...

  • Page 23: Section 4 - Maintenance

    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. Model QM45...
  • Page 24 Ice Thickness Probe Cleaning • Mix a solution of Manitowoc ice machine cleaner and water (2 ounces of cleaner to 16 ounces of SV1694-1 water) in a container.
  • Page 25 Section 4 D. Remove the Water Distribution Tube 1. LIFT UP 2. SLIDE BACK 3. SLIDE TO RIGHT DISTRIBUTION TUBE THUMBSCREW Water Distribution Tube Removal • Loosen the two thumbscrews, which secure the distribution tube. • Lift the right side of the distribution tube up off the locating pin, then slide it back and to the right.
  • Page 26 F. 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. •...
  • Page 27 Section 4 H. Remove 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).
  • Page 28 Step 13 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. Model...

  • Page 29: Exterior Cleaning

    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.

  • Page 30: Removal From Service/Winterization

    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.

  • Page 31: Section 5 - Before Calling For Service

    Section 5 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. Problem Ice machine does not operate. No electrical power to the ice Ice machine stops, and can be restarted by moving the toggle switch to OFF and back to ICE.

  • Page 32: Safety Limit Feature

    Low ice capacity. Safety Limit Feature In addition to the standard safety controls, your Manitowoc ice machine features built-in safety limits that will stop the ice machine if conditions arise which could cause a major component failure. Before calling for service, re-start the ice machine...

  • Page 33: Safety Limits

    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.
  • Page 34 Safety Limit #1 Freeze time exceeds 60 minutes for 3 consecutive freeze cycles. Possible Cause Improper installation Water system Electrical system Restricted condenser air flow (air-cooled models) Refrigeration system Safety Limit #2 Harvest time exceeds 3.5 minutes for 3 consecutive harvest cycles. Possible Cause Improper installation Water system...
  • Page 36 MANITOWOC ICE, INC. Web Site - www.manitowocice.com ©2006 Manitowoc Ice, Inc.

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