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Summary of Contents for Manitowoc UnderCounter QM45
- Page 1 QM45 UnderCounter Model Ice Machines Installation, Use & Care Manual This manual is updated as new information and models are released. Visit our website for the latest manual. www.manitowocfsg.com America’s #1 Selling Ice Machine Part Number 000001774 07/08...
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Page 2: Safety Notices
Safety Notices Read These Before Proceeding: As you work on Manitowoc equipment, be sure to pay close attention to the safety notices in this manual. ! Caution Disregarding the notices may lead to serious injury and/ Proper installation, care and maintenance are or damage to the equipment. -
Page 3: Table Of Contents
Tri-liminator Water Filter System ....... . Manitowoc Cleaner and Sanitizer ....... . - Page 4 Table of Contents (continued) Energized Parts Chart ..........Operational Checks.
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Page 5: Model Numbers
Section 1 General Information Model Numbers Accessories This manual covers the following models: Contact your Manitowoc distributor for these optional accessories: Self-Contained Self-Contained TRI-LIMINATOR WATER FILTER SYSTEM Air-Cooled Water-Cooled Engineered specifically for Manitowoc ice machines, Tri- QM45A 115/60/1 Liminator water filters are an efficient, dependable, and... -
Page 6: Model/Serial Number Location
These numbers are WARRANTY REGISTRATION CARD. They are also required when requesting information from your local listed on the MODEL/SERIAL NUMBER DECAL affixed Manitowoc distributor, service representative, or to the ice machine. Manitowoc Ice, Inc. MODEL/SERIAL... -
Page 7: Owner Warranty Registration Card
REGISTRATION CARD, Manitowoc will use the date of 4. Premium labor rates due to holidays, overtime, etc.; sale to the Manitowoc Distributor as the first day of travel time; flat rate service call charges; mileage warranty coverage for your new ice machine. -
Page 8: Residential Warranty Coverage
Telephone: 920-682-0161 Fax: 920-683-7585 warranty registration card must be completed and sent www.manitowocice.com to Manitowoc within thirty (30) days from the sale date. Complete the following registration card and send it to Manitowoc at the address shown. Part Number 000001774 07/08... -
Page 9: General
Section 2 Installation Instructions General These instructions are provided to assist the qualified installer. Dimensions 50.00cm 79.00cm 57.00cm 1.90cm±0.63cm Part Number 000001774 07/08... -
Page 10: Location Of Ice Machine
Installation Instructions Section 2 Location of Ice Machine Ice machines, like other refrigeration equipment, reject heat through the condenser. It is helpful to know the The location selected for the ice machine must meet the amount of heat rejected by the ice machine when sizing following criteria. -
Page 11: Electrical Service
Section 2 Installation Instructions Electrical Service Warning Warning All wiring must conform to local, state and national Never use an extension cord. If an outlet is not codes. within reach of the ice machine’s power cord, have a proper amperage outlet wired closer to the ice machine. -
Page 12: Water Service/Drains
Insulate water lines to prevent condensation. • Important Important If you are installing a Manitowoc Tri-Liminator The water inlet line is connected to the water water filter system, refer to the Installation valve. This valve is located just behind the front Instructions supplied with the filter system for ice panel of the ice machine. -
Page 13: Installation Instructions
Section 2 Installation Instructions ICE MAKING WATER INLET TUBING 3/8” MIN.I.D. WATER SHUTOFF ICE MAKING WATER/BIN DRAIN 5/8” MIN.I.D. Typical Water Supply and Drain Line Sizing and Connections Part Number 000001774 07/08... -
Page 14: Installation Checklist
Installation Instructions Section 2 Installation Checklist Before Starting the Ice Machine All Manitowoc ice machines are factory-operated and adjusted before shipment. Normally, new installations do Is the ice machine level? not require any adjustment. To ensure proper operation, follow the Operational Checks on page 3-4 of this manual. -
Page 15: Component Identification
Section 3 Operation Component Identification ICE THICKNESS PROBE FLOAT VALVE ASSEMBLY WATER DISTRIBUTION BIN SWITCH MAGNET ICE DAMPER WATER PUMP WATER TROUGH CONDENSER AIR FILTER ON/OFF/WASH TOGGLE SWITCH Part Number 000001774 07/08... -
Page 16: Ice Making Sequence Of Operation
Operation Section 3 Ice Making Sequence of Operation INITIAL START-UP OR START-UP AFTER HARVEST SEQUENCE AUTOMATIC SHUT-OFF 5. Harvest 1. Pressure Equalization The water pump de-energizes stopping flow over the Before the compressor starts the hot gas valve is evaporator. The rising level of water in the sump trough energized for 15 seconds to equalize pressures during diverts water out of the overflow tube, purging excess the initial refrigeration system start-up. -
Page 17: Energized Parts Chart
Section 3 Operation Energized Parts Chart CONTROL BOARD RELAYS RELAY LENGTH CONDENSER ∗ WATER HOT GAS RELAY COMPRESSOR of “ON” TIME PUMP VALVE COIL FAN MOTOR INITIAL START-UP/ START UP AFTER AUTO SHUT-OFF: Seconds 1. Pressure Equalization 2. Refrigeration System Start-up Seconds FREEZE SEQUENCE:... -
Page 18: Operational Checks
Operational Checks GENERAL WATER FLOAT VALVE CHECK Your Manitowoc ice machine was factory-operated and Before water will flow into the water trough the float adjusted before shipment. Normally, a newly installed ice valve shut-off must be in the OPEN position. -
Page 19: Water Level Check
Section 3 Operation WATER LEVEL CHECK ICE BRIDGE THICKNESS CHECK Check the water level while the ice machine is in the ice The ice thickness probe is factory-set to maintain the ice mode and the water pump is running. The correct water bridge thickness at 1/8”... - Page 20 Operation Section 3 THIS PAGE INTENTIONALLY LEFT BLANK Part Number 000001774 07/08...
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Page 21: Maintenance
Step 3 To start a cleaning cycle, move the toggle switch to the WASH position. GENERAL Step 4 Add the proper amount of Manitowoc Ice Clean and sanitize the ice machine every six months for Machine Cleaner to the water trough. - Page 22 Ice Thickness Probe Cleaning • Mix a solution of Manitowoc ice machine cleaner and Disassembly water (2 ounces of cleaner to 16 ounces of water) in • Twist both of the inner tube ends until the tabs line up a container.
- Page 23 Section 4 Maintenance E. Remove the Float Valve F. Remove the Water Trough • Turn the splash shield counterclockwise one or two • Apply downward pressure on the siphon tube and turns. remove from the bottom of the water trough. •...
- Page 24 Maintenance Section 4 G. Remove the ice damper. 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 25 Section 4 Maintenance Step 7 Mix a solution of cleaner and warm water. Step 15 Add the proper amount of Manitowoc Ice Depending on the amount of mineral buildup, a larger Machine Sanitizer to the water trough. quantity of solution may be required. Use the ratio in the...
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Page 26: Ice Machine Inspection
Maintenance Section 4 Ice Machine Inspection 4. Use a commercial condenser coil cleaner. Follow the directions and cautions supplied with the Check all water fittings and lines for leaks. Also, make cleaner. sure the refrigeration tubing is not rubbing or vibrating 5. -
Page 27: 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 service. Routine adjustments and maintenance procedures are not covered by the warranty. Problem Possible Cause To Correct Ice machine does not operate. -
Page 28: Safety Limit Feature
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 using the following procedure: 1. -
Page 29: Safety Limits
Section 5 Before Calling for Service SAFETY LIMITS Determining Which Safety Limit Stopped The Ice Machine General When a safety limit condition causes the ice machine to In addition to standard safety controls, the control board stop, the harvest light on the control board continually has two built in safety limit controls which protect the ice flashes on and off. - Page 30 Condenser discharge air recirculation Dirty condenser 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 TXV starving or flooding (check insulation and bulb mounting) Non-condensables in refrigeration system...
- Page 31 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.
- Page 32 Before Calling for Service Section 5 THIS PAGE INTENTIONALLY LEFT BLANK Part Number 000001774 07/08...
- Page 34 © 2007 Manitowoc Continuing product improvements may necessitate change of specifications without notice. Part Number 000001774 07/08 Manitowoc Foodservice Group 2110 South 26th Street, P.O. Box 1720 Manitowoc, WI 54221-1720, USA Ph: 920-682-0161 Fax: 920-683-7589 Visit us online at: www.manitowocfsg.com...
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