SM Model Ice Machines Installation Use and Care Manual Thank you for selecting a Manitowoc Ice Machine, the dependability leader in ice making equipment and related products. With proper installation, care and maintenance, your new Manitowoc Ice Machine will provide you with many years of reliable and economical performance. This manual is updated as new information and models are released. Visit our website for the latest manual. www.manitowocice.
Safety Notices Procedural Notices As you work on this Ice Machine, 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. As you work on this Ice Machine, be sure to read the procedural notices in this manual. These notices supply helpful information which may assist you as you work.
Table of Contents Section 1 General Information Model Numbers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . How to Read a Model Number . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Accessories . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Legs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Drain Pump . . . . .
Table of Contents (continued) Section 3 Ice Machine Operation Component Identification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Control Panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Functions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . Safety Timers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Section 1 General Information Section 1 General Information Model Numbers Accessories This manual covers the following models: Contact your Manitowoc distributor for these optional accessories: Self-Contained Air-Cooled SMS050A LEGS Four inch adjustable legs are available. DRAIN PUMP ! Warning PERSONAL INJURY POTENTIAL Do not operate equipment that has been misused, abused, neglected, damaged, or altered/modified from that of original manufactured specifications.
General Information Section 1 Model/Serial Number Location These numbers are required when requesting information from your local Manitowoc distributor, or Manitowoc Foodservice. The model and serial number are listed on the MODEL/ SERIAL NUMBER DECAL affixed to the ice machine.
Section 1 General Information Owner Warranty Registration Card GENERAL EXCLUSIONS The packet containing this manual also includes warranty information. Warranty coverage begins the day your new ice machine is installed. The following items are not included in the ice machine’s warranty coverage: Important Complete and mail the OWNER WARRANTY REGISTRATION CARD as soon as possible to validate the installation date.
General Information Section 1 Residential Ice Machine Limited Warranty WHAT DOES THIS LIMITED WARRANTY COVER? Subject to the exclusions and limitations below, Manitowoc Foodservice (“Manitowoc”) warrants to the original consumer that any new ice machine manufactured by Manitowoc (the “Product”) shall be free of defects in material or workmanship for the warranty period outlined below under normal use and maintenance, and upon proper installation and start-up in accordance with the instruction manual suppl
Section 2 Installation Instructions Section 2 Installation Instructions Installation Prerequisites General • Must have open site (gravity) drain available or purchase optional drain pump (see Water Supply and Drain Requirements). Call Manitowoc Foodservice at (800) 235-9698 for the name of a local company capable of installation and start-up services. • Must have a grounded, polarized electrical power supply on a dedicated electrical circuit (only appliance on circuit).
Installation Instructions Section 2 Ice Machine Dimensions AIR-COOLED ICE MACHINES 33.5” 851 mm 23” 584 mm 14.75” 375 mm 2.5” 0.5” 12.7 mm 63.5 mm 3.
Section 2 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. • The ice machine may be built into a cabinet, however the location must allow removal of the ice machine for cleaning and servicing. Service diagnostics are performed from the top of the ice machine. Refer to Minimum Cut-Out for Built-In Installations on page 2-2.
Installation Instructions Section 2 Electrical Service GENERAL Important ! Warning All wiring must conform to local, state and national codes. Prepare electrical circuit before installation of your ice machine. Installation requires a grounded (three-prong), polarized receptacle with a separate fuse/circuit breaker in an electrical service box. VOLTAGE Incorrect polarity can lead to erratic ice machine operation and a safety issue.
Section 2 Installation Instructions Water Supply and Drain Requirements WATER SUPPLY Prepare water supply line and drain before installation of your ice machine. Installation requires a 1/4" ID copper cold water line and compression fitting (not supplied). The ice machine is supplied with a drain hose for gravity draining. The optional drain pump must be purchased if a gravity drain is not possible. Both drain methods require routing to an open site drain.
Installation Instructions Section 2 Step-by-Step Installation Procedure 1. Prepare the site by following the instructions under Electrical Service and Water Supply and Drain Requirements. 2. Remove ice machine from carton. 3. Inspect for damage. 4. Remove literature/warranty packet and drain hose from inside the ice machine. Drain 5. Adjust leg levelers (or install optional legs). Refer to Leveling the Ice Machine on page 2-6 and Leg Option on page 2-7. 6. Reverse door if desired.
Section 2 11. Place ice machine back in position and check leveling again. Make any necessary adjustments. 12. Prepare sanitizer solution and sanitize the ice machine according to In Place Cleaning/Sanitizing Procedure steps 5 and 6 on page 4-2. 13. Put one gallon of cold water into a container that will easily pour under the lifted water shutters. Refer to page 3-1 to identify water shutters. Open shutters and add one gallon of cold water. Installation Instructions Leveling the Ice Machine 1.
Installation Instructions Drain Pump Option Section 2 Leg Option ! Warning Disconnect power to ice machine before proceeding. 1. Remove top cover screws and slide cover off. Remove back panel screws and lift panel off. 2. Assemble the outlet tube and vent tube to the drain pump. 3. Plug the drain pump’s wire assembly into the ice machine’s wire assembly. Slide drain pump into cavity. 1. Remove the leg levelers from the bottom of the ice machine. 2. Screw the legs into the bottom of the ice machine. 3.
Section 2 Installation Instructions Reversing Door Swing Lift Along Edge with Putty Knife to Remove 1. Remove top cover from the door - Use a putty knife to lift the inside edge of the top door cover out and up to disengage from the door panel. Repeat on bottom cover. 2. Release door from top hinge - Remove two allen screws from the top of the door and lift door panel off of two bottom allen screws.
Installation Instructions Section 2 Installation Check List F F F F F F F F Is the Ice Machine level? F Has all of the internal packing been removed? F Have all of the electrical and water connections been made? F 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? Is the ice machine grounded and polarity correct? Has the ice machine been installed where ambient temperatures will remain in the ran
Section 2 Installation Instructions Before Starting the Ice Machine Sanitize 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 in Section 3 of this manual. Starting the ice machine and completing the Operational Checks are the responsibilities of the owner/operator.
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Section 3 Ice Machine Operation Section 3 Ice Machine Operation Component Identification Control Panel Bin Light Water Pump Water Shutters Water Trough Evaporator Evaporator Compartment Water Shutter Assembly Bin Optional Water Filter Grill Optional Legs Bin Thermostat Located Behind Grill Water Supply Line Water Pump Spray Bar Note: Evaporator removed for clarity Spray Nozzles Evaporator Bucket Water Shutters Refrigeration Compressor Optional Drain Pump Control Board Electrical Wate
Ice Machine Operation Section 3 Control Panel Power Automatic Ice Making Delay Start Replace Water Filter Clean 2 4 Hours 8 To reset: Push and hold Clean button for 6 seconds. FUNCTIONS Power Button (Green) Clean (Green) Pressing the “Power” button once will energize the ice machine and green Power light. Pressing the “Power” button a second time will de-energize the ice machine. Pressing the “Clean” button will initiate a clean cycle and de-energize the “Automatic Ice Making” light.
Section 3 Sequence of Operation Depending on ambient conditions and cold water supply temperature, the ice making process will take approximately 30 minutes. 1. Initial Start-Up or Start-Up After Automatic ShutOff — Water Fill Before the compressor starts, the water inlet valve will energize to purge old water from the system for about 3 minutes. Ice Machine Operation 5. Automatic Shut-Off The level of ice in the storage bin controls the ice machine shut-off.
Ice Machine Operation Operational Checks GENERAL Manitowoc ice machines are factory-operated and adjusted before shipment. Normally, new installations do not require any adjustment. To ensure proper operation, always follow the Operational Checks: • when starting the ice machine for the first time • after a prolonged out of service period • after cleaning and sanitizing NOTE: Routine adjustments and maintenance procedures are not covered by the warranty.
Section 3 Ice Machine Operation CUBE WEIGHT ADJUSTMENT The cube weight can be increased from the factory setting by adjusting the finish time. Additional finishing time check: 1. Press and hold the power button for 5 seconds. 2. Count the flashes on the Automatic Ice Making light. The light will flash once for each additional minute of freeze cycle time. Adjusting Finishing Time Adjust in 1 minute increments and allow the ice machine to run several freeze/harvest cycles, then inspect the ice cubes.
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Section 4 Maintenance Section 4 Maintenance General You are responsible for maintaining the ice machine in accordance with the instructions in this manual. Maintenance procedures are not covered by the warranty. ! Warning If you do not understand the procedures or the safety precautions that must be followed, call your local Manitowoc service representative to perform the maintenance procedures for you.
Maintenance Section 4 Interior Cleaning and Sanitizing GENERAL Perform an In Place Cleaning/Sanitizing procedure monthly and a Cleaning/Sanitizing procedure every 12 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. An extremely dirty ice machine must be taken apart for cleaning and sanitizing.
Section 4 Maintenance CLEANING PROCEDURE Ice machine cleaner is used to remove lime scale and other mineral deposits. Ice machine sanitizer disinfects and removes algae and slime. NOTE: All ice must be removed from the bin. Step 1 Prepare 4 oz (1/2 cup) of undiluted Manitowoc Ice Machine Cleaner (part number 000000084 only) in a container that will fit easily under the lifted water shutters. Refer to page 3-1 to identify the water shutters. Model SM50 Amount of Cleaner 4 oz.
Maintenance Section 4 Step 9 Mix 1 oz (2 tablespoons) sanitizer with 2 gal of warm water. Model SM50 Sanitizer Amount 1 oz. (30 ml) Water Amount 2 gal (8L) Step 10 Use 1/2 of the sanitizer/water mixture 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/solution. Rinsing is not required.
Section 4 Maintenance REMOVAL OF PARTS FOR CLEANING/SANITIZING 1. Turn off the electrical and water supply to the ice machine. 5. The cleaner will foam; once the foaming stops use a soft-bristle nylon brush, sponge or cloth (NOT a wire brush) to carefully clean the parts. ! Warning Disconnect electric power to the ice machine before proceeding. 2. Remove all ice from the bin. 3. Remove the components that must be cleaned and sanitized. See the following pages for removal procedures for these parts.
Maintenance Section 4 Water Shutters Top Cover 1. Remove two back screws. ! Warning The water shutter is designed to keep the spraying water from escaping the evaporator compartment. To remove just the water shutters: Disconnect the electrical power to the ice machine at the electrical disconnect before proceeding. 1. Grasp one end of the water shutter and lift up. 2. Slide back and lift cover off. 3.
Section 4 Ice Chute The ice chute is positioned over the spray nozzles and allows the ice to easily fall into the bin. It must be firmly positioned over the spray bar, with the front edge inside the water trough. Spray nozzles must be align with the spray holes or spray water will fall into the bin. 1. Grab protruding spray hole on one end and lift up and remove. Maintenance Sump Drain Overflow Tube 1. Remove clamp. 2. Pull down to remove overflow tube and tubing as an assembly.
Maintenance Section 4 Spray Bar, Water Pump and Hose Water Trough 1. Depress tabs on right and left side of the water trough. 2. Allow front of water trough to drop as you pull forward to disengage the rear pins. ! Warning Disconnect the electric power to the ice machine at the electric service switch box and turn off the water supply before proceeding. 1. Remove spray bar clamp and spray bar. 2. Grasp pump and pull straight down until water pump disengages and electrical connector is visible. 3.
Section 4 Maintenance Spray Bar Disassembly Bin Light The spray bar supplies water to the individual icemaking cups. Water from the water pump sprays through the nozzles, located on the upper portion of the tubes. If the ice machine is shut down for a long period of time the bin light cover must be cleaned and sanitized. The light is provided for your convenience. If you experience operational problems with the light a replacement appliance bulb can be obtained from your local hardware store. 1.
Maintenance Section 4 Water Filter Front Grill ! Warning Disconnect the electric power to the ice machine at the electric service switch box and turn off the water supply before proceeding. To replace the water filter incoming water does not need to be turned off. 1. Turn the filter 1/4 turn counter clockwise and it will pop out. 2. Reverse the process to re-install. 1. Remove two screws. 2. Tilt top forward and lift.
Section 4 Maintenance Exterior Cleaning Clean the area around the ice machine as often as necessary to maintain cleanliness and efficient operation. Use cleaners designed for use with stainless steel products. Sponge any dust and dirt off the outside of the ice machine with mild soap and water. Wipe dry with a clean, soft cloth. Heavy stains should be removed with stainless steel wool. Never use plain steel wool or abrasive pads. They will scratch the panels.
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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.
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