Disregarding the notices may lead to serious injury and/or damage to the ice machine. Throughout this handbook, you will see the following types of safety notices: WARNING Text in a Warning box alerts you to a potential personal injury situation. Be sure to read the Warning statement before proceeding, and work carefully. CAUTION Text in a Caution box alerts you to a situation in which you could damage the ice machine. Be sure to read the Caution statement before proceeding, and work carefully. 2 Procedural Notices When using or servicing these Ice Machines, be sure to read the procedural notices in this handbook. These notices supply helpful information that may assist you as you work. Throughout this handbook, you will see the following types of procedural notices: IMPORTANT Text in an Important box provides you with information that may help you perform a procedure more efficiently. Disregarding this information will not cause damage or injury, but may slow you down as you work. NOTE: Text set off as a Note provides you with simple, but useful extra information about the procedure you are performing. 3 Read These Before Proceeding: CAUTION Proper installation, care and maintenance are essential for maximum ice production and trouble free operation of your Compact Ice Machine. Read and understand this manual. If you encounter problems not covered by this manual, do not proceed, contact Manitowoc Ice, Inc. We will be happy to provide assistance. IMPORTANT Routine adjustments and maintenance procedures outlined in this manual are not covered by the warranty. We reserve the right to make product improvements at any time. Specifications and design are subject to change without notice. WARNING PERSONAL INJURY POTENTIAL Do not operate equipment that has been, misused, abused, neglected, damaged, or altered/modified from that of original manufactured specifications. WARNING POTENTIAL PERSONAL INJURY SITUATION This ice machine contains refrigerant charge. Installation and brazing of the line sets must be performed by a properly trained refrigeration technician aware of the Dangers of dealing with refrigerant charged equipment. The technician must also be US Government Environmental Protection Agency (EPA) certified in proper refrigerant handling and servicing procedures. 4 TABLE OF CONTENTS GENERAL INFORMATION............................. 7 MODEL NUMBERS.....................................7 ACCESSORIES...........................................8 MODEL/SERIAL NUMBER LOCATION .......9 OWNER WARRANTY REGISTRATION........... 9 INSTALLATION .......................................... 13 LOCATION OF ICE MACHINE ..................13 ICE MACHINE HEAT OF REJECTION......14 LEVELING THE ICE MACHINE ................15 WATER SERVICE/DRAINS .......................16 ELECTRICAL REQUIREMENTS................18 COMPONENT IDENTIFICATION ..............19 OPERATIONAL CHECKS ........................19 MAINTENANCE .......................................... 23 ICE MACHINE INSPECTION....................23 EXTERIOR CLEANING.............................23 CLEANING THE CONDENSER .................23 INTERIOR CLEANING AND SANITIZING.25 CLEANING PROCEDURE .........................28 REMOVAL OF PARTS FOR CLEANING AND SANITIZING.............................................31 ICE MAKING SEQUENCE OF OPERATION.. 39 TROUBLESHOOTING ................................. 41 DIAGNOSING AN ICE MACHINE THAT WILL NOT RUN........................................41 ICE MACHINE WILL NOT HARVEST........43 ICE QUALITY IS POOR – CUBES ARE SHALLOW, INCOMPLETE OR WHITE ......44 FREEZE CYCLE IS LONG, LOW ICE PRODUCTION..........................................45 ICE MACHINE RUNS & NO ICE IS PRODUCED..............................................46 ANALYZING DISCHARGE PRESSURE.....47 ANALYZING SUCTION PRESSURE .........49 5 HOT GAS VALVE..................................... 52 BIN THERMOSTAT.................................. 55 ICE PRODUCTION CHECK...................... 57 ADJUSTING CUBE WEIGHT ................... 58 LIQUID LINE THERMISTOR .................... 59 TOTAL SYSTEM REFRIGERATION CHARGE.................................................. 61 COMPONENT SPECIFICATIONS AND CHECK PROCEDURES ............................................62 MAIN FUSE ............................................. 62 COMPRESSOR ELECTRICAL DIAGNOSTICS......................................... 63 DIAGNOSING START COMPONENTS: .... 65 CYCLE TIMES, 24 HR ICE PRODUCTION AND REFRIGERANT PRESSURE CHARTS ..........66 REFRIGERANT DEFINITIONS.....................68 REFRIGERANT RE-USE POLICY ............. 69 SYSTEM CONTAMINATION CLEANUP ... 75 SEVERE SYSTEM CONTAMINATION CLEANUP PROCEDURE ..................ERROR! BOOKMARK NOT DEFINED. REPLACING PRESSURE CONTROLS WITHOUT REMOVING REFRIGERANT CHARGE.................................................. 80 BRAZING PROCEDURES FOR DANFOSS SOLENOID VALVES ................................ 82 FILTER-DRIERS....................................... 84 CONTROL BOARD ......