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Service Manual CME1356 and CME1656 INTRODUCTION This product manual contains the information Be certain that the information applies to the model needed for the setup, installation, initial start up, in question. If no model is listed, the information sanitation and maintenance of this ice machine. applies to all models. Keep it for future reference. This manual is organized in the same way as the There are 2 models covered in this manual: expected use of the machine, it begins with specifications, goes thru unpacking and setup, • CME1356, having 5 evaporators shows where everything is; continues with initial • CME1656, having 6 evaporators start up, then describes how it works. After that is the sanitation section, followed by service diagnosis and repair. TABLE OF CONTENTS Specifications .................PAGE2 Technicians Only: Harvest Cycle Operational Sequence ...................PAGE23 Air Cooled Layout ...............PAGE3 Sanitation and Cleaning ............PAGE24 Water Cooled Layout .............PAGE4 Additional Maintenance ............PAGE25 Pre-Installation .................PAGE5 Additional Maintenance: Water Distributors . PAGE 26 Location & Assembly .............PAGE6 Additional Maintenance: Inlet Water Valve Stacking ....................PAGE7 Screen .....................PAGE27 Stacking ....................PAGE8 Additional Maintenance: Ice Sensors, Condenser ........................PAGE28 Bin Control: Installation ............PAGE9 Service Diagnosis: Controller Diagnostic Light Bin Control ...................PAGE10 Analysis ....................PAGE29 Plumbing ....................PAGE11 Service Diagnosis ...............PAGE30 Electrical ....................PAGE12 Service Diagnosis: Components .......PAGE31 After Utility Connections ............PAGE13 PTCR .....................PAGE32 Component Description and Function .....PAGE14 Operational Characteristics: CME1356 ....PAGE33 System Controller ...............PAGE15 Operational Characteristics: CME1656 ....PAGE34 Initial Start Up .................PAGE16 Removal and Replacement ..........PAGE36 Adjustments ..................PAGE17 Removal and Replacement: System Controller PAGE 37 Adjustments ..................PAGE18 Removal and Replacement: Water Level Sensor ........................PAGE37 How To Operate The System Controller . PAGE 19 Removal and Replacement: Fan Blade and/or Fan How The Electronic Cuber Works .......PAGE20 Motor .....................PAGE38 How The Electronic Cuber Works .......PAGE21 Access Valves .................PAGE39 Technicians Only: Freeze Cycle Operational Liquid Charging ................PAGE40 Sequence ...................PAGE22 Before Calling for Service ...........PAGE41 Parts Lists and Wiring Diagrams are Located in the Center of this Manual May 2000 Page 1 CME1356 and CME1656 Specifications These ice machines are designed to be installed Voltage note: The control system transformer in indoors, in a controlled environment. They can the control box of this ice machine has two primary operate satisfactorily under a wide variety of taps, one for 208 volt power and one for 240 volt conditions. Do NOT operate the machine in power. The machine ships with the power supply temperatures it has not been designed for. Do connected to the 208 volt tap. Change to the 240 NOT operate the machine above or below the volt tap when the voltage supplied to the unit is voltage limits for the particular model. Do NOT greater than 229 volts operate the machine with too little or too much water pressure. All models will fit a standard, 48" wide Scotsman Ice Storage Bin. Some examples are BH900, Operational Limits BH1100, BH1300, BH1600. There may be other bins that can be used, check Scotsman’s sales Minimum Maximum literature for application information. Slope front Air Temperature 50oF. 100oF. bins must have an internal baffle like the BH900. Baffle must be approximately in the position shown Water Temperature 40oF. 100oF. in the diagram on page 5. Water Pressure 20 psi 80 psi Scotsman reserves the right to make design changes and/or improvements at any time. Voltage (60 Hz model) 198 253 Specifications and designs are subject to change Voltage (50 Hz model) 207 253 without notice. Inlet water flow required is 2.7 GPM. Dateplates on the ice machine contain charge and electrical requirements. Always go by the dataplate A stacking kit, for like models, is KSCME6-LG-B information. The table below is for reference. Basic Information Dimensions Minimum Maximum Refrigerant Model Basic Condenser Model Number W" x D" x H" Circuit Fuse Charge Series Electrical Type (w/o bin) Ampacity Size (R-404A) CME1356AS-32 A thru E 48 ½ x 24 x 28 208-230/60/1 Air Cooled 26.7 30 64 ounces CME1356WS-32 A thru E same 208-230/60/1 Water Cooled 23.9 30 62 ounces CME1356WS-32 F same 208-230/60/1 Water Cooled 23.9 30 58 ounces CME1356AS-3 A thru E same 208-230/60/3 Air Cooled 17.8 20 64 ounces CME1356WS-3 A thru E same 208-230/60/3 Water Cooled 14.9 20 62 ounces CME1356WS-3 F same 208-230/60/3 Water Cooled 14.9 20 58 ounces CME1356AS-6 A thru E same 230/50/1 Air Cooled 26.7 30 64 ounces CME1356WS-6 A thru E same 230/50/1 Water Cooled 23.9 30 62 ounces CME1356WS-6 F same 230/50/1 Water Cooled 23.9 30 58 ounces CME1656AS-32 A thru D same 208-230/60/1 Air Cooled 26.7 30 64 ounces CME1656WS-32 A thru E same 208-230/60/1 Water Cooled 23.9 30 62 ounces CME1656WS-32 F same 208-230/60/1 Water Cooled 23.9 30 58 ounces CME1656AS-3 A thru E same 208-230/60/3 Air Cooled 17.8 20 64 ounces CME1656WS-3 A thru E same 208-230/60/3 Water Cooled 14.9 20 62 ounces CME1656WS-3 F same 208-230/60/3 Water Cooled 14.9 20 58 ounces CME1656AS-6 A thru E same 230/50/1 Air Cooled 26.7 30 64 ounces CME1656WS-6 A thru E same 230/50/1 Water Cooled 23.9 30 62 ounces CME1656WS-6 F same 230/50/1 Water Cooled 23.9 30 58 ounces November 2004 Page 2 CME1356 and CME1656 Air Cooled Layout 26.10 in 66.3 cm MINIMUM BIN TOP OPENING 6.00 in MINIMUM FOR 15.2 cm UTILITY CONNECTIONS 18.75 in ICE PLAN VIEW 47.6 cm OPENING 6.00 in 3.81 in 15.2 cm 4.20 in 10.15 in 9.7 cm MINIMUM FOR 10.7 cm 25.8 cm AIR VENTILATION ICE OPENING 6.00 in 15.2 cm MINIMUM FOR AIR VENTILATION .88 DIA. KNOCKOUT ELECTRICAL INLET CONDENSER FINS 2.50 in 6.4 cm WATER INLET 3/8" FLARE 23.87 in 60.6 cm 12.30 in 31.2 cm 5.87 in BACK VIEW 14.9 cm DUMP 1.96 in VALVE 5.0 cm DRAIN 3/4" F.P.T. 2.82 in 7.2 cm May 2000 Page 3 CME1356 and CME1656 Water Cooled Layout 26.10 in 66.3 cm MINIMUM BIN TOP OPENING 6.00 in MINIMUM FOR 15.2 cm UTILITY CONNECTIONS 18.75 in ICE PLAN VIEW 47.6 cm OPENING 6.00 in 15.2 cm 4.20 in 10.15 in 3.81 in 9.7 cm MINIMUM FOR 10.7 cm 25.8 cm AIR VENTILATION ICE OPENING .88 DIA. KNOCKOUT ELECTRICAL INLET 2.50 in INLET WATER CONDENSER INLET 6.4 cm 3/8" FLARE 3/8" F.P.T. CONDENSER DRAIN 1/2" F.P.T. 21.87 in 23.30 in 55.5 cm 59.2 cm 23.87 in 11.87 in 60.6 cm 30.1 cm 5.87 in BACK VIEW 14.9 cm DUMP 2.46 in VALVE 6.2 cm DRAIN 3/4" F.P.T. 3.58 in 9.1 cm 5.96 in 15.1 cm 18.67 in 47.4 cm May 2000 Page 4 CME1356 and CME1656 Pre-Installation Other Applications: Check Scotsman sales information for recommendations regarding applications. Check the nameplate for electrical requirements. The nameplate is located on the back of the ice machine. While the model and serial number are on the nameplate, a serial number plate is located at the front of the machine, near the purge valve.. Water: There is no such thing as pure water. All water contains some impurities. There are two ways water carries the impurities: suspended and Nameplate dissolved. Suspended solids can be filtered out. Dissolved solids must be diluted or treated. Water filters are recommended to remove suspended solids. Some filters have treatment in them for suspended solids. Check with a water treatment service for a recommendation. Cube Ice machines use more water than what ends up in the bin as ice. While most water is used Serial Number Plate during ice making, a portion is designed to “rinse" out the water system to keep hard water scale from clogging up the machine. That water rinse, combined with water filters, prolongs the times between needed water system cleaning. Service Technicians: All models covered here come set from the factory at a “standard” water Note: Slope front bins must have an internal baffle. rinse, which is compatible with typical water Scotsman’s BH900 has the required baffle. Baffle conditions. They may be adjusted to “Minimum" or must be approximately in the position shown in the “Maximum" water rinse after start up. If the prior diagram. ice machine worked acceptably well with the local water conditions, leave the machine at the factory setting. If severe water conditions are present, and Baffle water filters do not solve the problem acceptably, adjust the machine to use more water. If water conditions are excellent, adjust the machine to use less water. See the Adjustments section. Note: Water use adjustments are customer convenience adjustments; they are NOT factory defects and are NOT covered by warranty. 12.0" 4.0" Side View May 2000 Page 5 CME1356 and CME1656 Location & Assembly The air cooled models take room temperature air Cabinet Panel Removal: in from the left side and the front and discharge warm air out the back. Note: The top panel holds the upper edges of the side panels in place.
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