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If used properly, this manual can also help the service technician troubleshoot and diagnose most of the problems that may occur with the machine. Sections A and B of this manual provide general and maintenance information. The remainder of the manual, beginning with Section C, provides troubleshooting information. Section C contains flow charts called troubleshooting trees. Page C1 provides instructions on using the troubleshooting trees. Each troubleshooting tree is named to describe a particular problem with the operation of the machine. When following the troubleshooting trees, the service technician will be led through questions and checks and end up at a probable solution. When using the troubleshooting trees it is important that the service technician understand the operation and adjustments of the components being checked and the component suspected of being defective. A detailed description of the operation and adjustments of the components as well as other service information is laid out in the pages that follow Section C. Each section, after Section C, focuses on a particular system in the ice machine; water system, drive system, refrigeration system and electrical system. It is important that these sections be used together with the troubleshooting trees in Section C. Most aspects of flake ice machines are covered in this manual. However, should you encounter any conditions not addressed herein, please contact the ICE-O-Matic Technical Service Department for assistance at the numbers listed below, or write the ICE-O-Matic Service Department. ICE-O-Matic 11100 East 45th Ave. Denver CO 80239 Attn: Technical Service Department Phone: (800) 423-3367 After Hours Only (888) FIX-4-ICE (349-4423) Fax: (303) 576-2944 E-Mail Tech.service@iceomatic.com Any service communication must include: • Model Number • Serial Number • A detailed explanation of the problem WARNING: Always disconnect electrical power and shut off water supply whenever maintenance or repairs are performed on the ice machine and related equipment. CAUTION: Always wear protective eyewear whenever maintenance or repairs are performed on the ice machine and related equipment. Model and Serial Number Format Model Numbers EF 80 0 A 1 Revision Level Condenser Type: A=Air W=Water R=Remote Voltage: 0=115V 5=240/50/1 6=208-230/60/1 Approximate 24 hour ice production: (x 10 @ 70°F/21°C Air and 50°F/10°C Water) Series: E=Environmental Flaker (Uses HFC Refrigerant) F=Self Contained Flake Ice Machine MF=Modular Flake Ice Machine Serial Number Date Code The first letter in the serial number indicates the month and decade of manufacture. The first digit in the serial number indicates the year of manufacture. Example: A0XX-XXXXX-Z is manufactured January 2000 A1XX-XXXXX-Z is manufactured January 2001 A4XX-XXXXX-Z is manufactured January 2004 1990-1999 MONTH 2000-2009 M JANUARY A N FEBRUARY B P MARCH C Q APRIL D R MAY E S JUNE F T JULY G U AUGUST H V SEPTEMBER I W OCTOBER J Y NOVEMBER K Z DECEMBER L Note: The letter O and letter X are not used. Electrical and Mechanical Specifications Production per 24 Hours @ No. of Minimum Max 90°FA 70°FW Compressor wires incl Circuit Fuse ** Refrigerant Model Number Lbs Kg *RLA *LRA Voltage ground Ampacity Size Type Oz. Grams EF Series / 60 Hertz Machines EF250A 319 145 5.7 30.2 115/60/1 3 12.4 15 R404A 12 340 EF450A 360 163 7.2 40 115/60/1 3 14.5 15 R404A 17 482 EF800A 616 280 10.4 51 115/60/1 3 18.2 15 R404A 20 567 EMF Series / 60 Hertz Machines EMF450A 372 169 6.9 40 115/60/1 3 14.1 15 R404A 17 482 EMF450W 472 214 6.8 40 115/60/1 3 13.1 15 R404A 14 397 EMF800A 632 287 10.5 51 115/60/1 3 19.8 20 R404A 25 709 EMF800W 756 343 9.5 51 115/60/1 3 16.5 20 R404A 16 454 EMF1106A 816 370 4.5 34.2 208-230/60/1 3 9.4 15 R404A 34 964 EMF1106W 1008 458 4.4 34.2 208-230/60/1 3 8.5 15 R404A 15 426 EMF1106R 912 414 4.5 34.2 208-230/60/1 3 10.4 15 R404A 160 4536 EMF2306A 1808 821 8.4 61 208-230/60/1 3 14.9 20 R404A 84 2382 EMF2306W 2240 1051 7.3 61 208-230/60/1 3 12.8 20 R404A 36 1021 EMF2306R 1828 830 8.1 61 208-230/60/1 3 15.5 20 R404A 240 6804 EMF Series / 50 Hertz Machines EMF405A 432 196 3 16.1 230/50/1 3 6.6 15 R404A 19 539 EMF705A 821 373 4.1 34.5 230/50/1 3 8.6 20 R404A 34 964 EMF1005A 1080 490 5.2 42 230/50/1 3 10 20 R404A 34 964 * R.L.A.=Rated Load Amps L.R.A=Locked Rotor Amps ** Use refrigerant charge specified on Serial Plate when charging system. Text Box: EF Series Text Box: EMF Series Text Box: EMF Series (48 Inch Wide) General Operation A general description of the flake ice machine operation is given below. The remainder of the manual provides more detail about the components and systems. Water enters a reservoir through the float valve and is gravity fed into the evaporator barrel through an opening in the bottom of the barrel. Water fills the evaporator to the same level as the water in the reservoir. A float valve, which stops the flow of water into the reservoir when the reservoir becomes full, maintains this wa...
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