Owner/Operator 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.
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 a Q Model Ice Machine, be sure to read the procedural notices in this manual.
GENERAL 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. Important This product intended commercial application.
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 Q1800 ICE MACHINE WATER COOLED 48.00”...
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 free of airborne and other contaminants. • The air temperature must be at least 35°F (1.6°C), but must not exceed 110°F (43.4°C).
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 at ice machine start-up (when the electrical load is highest). WARNING The ice machine must be grounded in accordance with national and local electrical codes.
Water Service/Drains Water Inlet Lines Follow these guidelines to install water inlet lines: • Do not connect the ice machine to a hot water supply. Be sure all hot water restrictors installed for other equipment are working. (Check valves on sink faucets, dishwashers, etc.) •...
Section 2 WATER SUPPLY AND DRAIN LINE SIZING ILLUSTRATION 18.00” VENT (45.70 cm) (SEE BELOW) BIN DRAIN FITTING 3/4” F.P.T (1.91 cm) CONDENSER WATER DRAIN FITTING 1/2” F.P.T. (1.27 cm) ICE MAKING WATER INLET FITTING 3/8” F.P.T. (0.95 cm) ICE MAKING WATER INLET TUBING 3/8”...
Has the ice machine and bin been sanitized? 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 in this manual.
Ice Machine Operation Ice Making Sequence of Operation Initial Start-Up or Start-Up After Automatic Shut-Off 1. Water Purge Before the compressor starts, the water pump and water dump solenoid are energized for 45 seconds to purge the ice machine of old water. This ensures that the ice-making cycle starts with fresh water.
Section 3 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: •...
Ice Machine Operation HARVEST SEQUENCE WATER PURGE The harvest sequence water purge adjustment may be used when the ice machine is hooked up to special water systems, such as a de-ionized water treatment system. Important The harvest sequence water purge is factory-set at 45 seconds.
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Maintenance MANITOWOC’S PATENTED CLEANING OR SANITIZING TECHNOLOGY Manitowoc ice machines include technology that allows the initiation and completion of a cleaning or sanitizing cycle at the flip of a switch. This cycle will permit cleaning or sanitizing of all surfaces that come in contact with the water distribution system.
The Clean light will turn on to indicate the ice machine is in the Clean mode. Step 3 Wait about one minute or until water starts to flow over the evaporator. Step 4 Add the proper amount of Manitowoc Ice Machine Cleaner to the water trough. Model Q1800...
The Clean light will turn on to indicate the ice machine is in the Cleaning mode. Step 3 Wait about one minute or until water starts to flow over the evaporator. Step 4 Add the proper amount of Manitowoc Ice Machine Sanitizer to the water trough. Model Q1800...
REMOVAL OF PARTS FOR CLEANING OR SANITIZING 1. Turn off the water supply to the ice machine at the water service valve. WARNING Disconnect electric power to the ice machine at the electric switch box before proceeding. 2. Remove the parts of the water curtain and the components you want to clean or sanitize.
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Section 4 Water Dump Valve The water dump valve normally does not require removal for cleaning. To determine if removal is necessary: 1. Locate the water dump valve. 2. Set the toggle switch to ICE. 3. While the ice machine is in the freeze mode, check the dump valve’s clear plastic outlet drain hose for leakage.
Maintenance Water Pump WARNING Disconnect the electric power to the ice machine at the electric service switch box and turn off the water supply. 1. Disconnect the water pump power cord. POWER CORD WATER PUMP Water Pump Removal 2. Disconnect the hose from the pump outlet. 3.
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Water Level Probe 1. Loosen the screw that holds the water level probe in place. The probe can easily be cleaned at this point without proceeding to step 2. WARNING Disconnect the electrical power to the ice machine at the electrical disconnect before proceeding. 2.
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Maintenance Water Distribution Tube 1. Disconnect the water hose from the distribution tube. 1. LIFT UP 2. SLIDE BACK 3. SLIDE TO RIGHT DISTRIBUTION TUBE THUMBSCREW Water Distribution Tube Removal 1. Loosen the two thumbscrews, which secure the distribution tube. 2.
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 toggles switch to OFF and back to ICE.
Low ice capacity. Safety Limit Feature In addition to the standard safety controls, such as the high pressure cutout, your Manitowoc ice machine features built-in safety limits which will stop the ice machine if conditions arise which could cause a major component failure.