Page 2 - Specifications; Side View
Specifications Both of these ice machines are designed to beinstalled indoors, in a controlled environment.They can operate satisfactorily under a widevariety of conditions. However, Do NOT operatethe machine in temperatures it has not beendesigned for. Do NOT operate the machine aboveor below the v...
Page 3 - Condenser and Ice Machine Layouts
CME1356R and CME1656R May 2001 Page 3 Condenser and Ice Machine Layouts .88 DIA. ELECTRICAL INLET .65 in 1.7 cm 27.56 in 70.0 cm 2.84 in 7.2 cm AIR FLOW .562 DIA. MOUNTING HOLES (4) CONDENSER FINS 23.54 in 59.7 cm LIQUID LINE 3/8" MALE CPLG. DISCHARGE LINE 1/2" MALE CPLG. 14.56 in 36.9 cm 7....
Page 4 - Check sales literature for additional information.; Serial Number Plate
Pre-Installation Other Applications: Check sales literature for additional information. Electrical: Check the nameplate for electrical requirements.The nameplate is located on the back of the icemachine. If the information on the nameplate isdifferent from other published information, go bythe namep...
Page 5 - Unpacking and Assembly:; applications may not use casters.; Cabinet Panel Removal:; To Remove
Location & Assembly Locate the ice machine indoors. A 6 inch minimumclearance on the back and left sides is required forthe proper operation and service of this machine. Locate the remote condenser as close as possibleto the ice machine. See page 11 for details. Unpacking and Assembly: Begin wit...
Page 6 - Bin Control: Installation; must; Route Bin Thermostat Bulb Into Bin; Bin Thermostat Bulb; Use This Table to Adjust Thermostat
CME1356R and CME1656R May 2001 Page 6 Bin Control: Installation The bin control is a thermostat. It must be field installed after the ice machine has been placed on the bin. Before starting, remove the left front panel and anybaffle in the bin. 1. Locate bin thermostat bulb. 2. Route bulb thru routi...
Page 7 - Bin Control; Attach Thermostat Bulb to Bracket; Bin Thermostat; Attach Bracket to Bottom of Ice Machine; Thermostat and; Mount Bulb; Tip Here
CME1356R and CME1656R May 2001 Page 7 Bin Control Attach Thermostat Bulb to Bracket Bin Thermostat Bracket Attach Bracket to Bottom of Ice Machine Minimize Excess Tube in Bin Bin Thermostat Capillary Tube Thermostat and Bracket Three-Pronged Knob Mount Bulb Tip Here Mount Thermostat Capillary Tube H...
Page 9 - Support Bracket; Stacking; Mounting Straps
CME1356R and CME1656R May 2001 Page 9 Front-to-Back Support Bracket Gasket for Metal Edges of Bottom Unit Gasket on Plastic Walls of Lower Unit Shield Hanger Bracket Stacking Mounting Straps and Hardware Shield
Page 10 - For The Installer: Remote Condenser; near as possible
For The Installer: Remote Condenser Locate the condenser as near as possible to the interior location of the ice maker. Note: The location of the condenser relative to theice machine is LIMITED by the specification on thefollowing page. Select the best available location, one that protectsthe conden...
Page 11 - Remote Condenser Location; This location would
Remote Condenser Location Use the following for planning the placement of the condenser relative to the ice machine Location Limits - condenser location must not exceed ANY of the following limits: • Maximum rise from the ice machine to thecondenser is 35 physical feet • Maximum drop from the ice ma...
Page 12 - Coupling Instructions; Initial Connections; Clean and Lubricate Couplings; Tighten Swivel Nut
Coupling Instructions The couplings on the ends of the pre-charged linesets are self-sealing when installed properly.Follow these instructions carefully. These steps must be performed by an EPACertified Type II or higher technician. Initial Connections 1. Remove the protector caps and plugs. Wipe th...
Page 13 - Head Pressure Control Add-On Kit; Required; G series
CME1356R and CME1656R May 2001 Page 13 Head Pressure Control Add-On Kit Kit: RCKCME6GX Required when a CME1656R or CME1356R is to be connected to a Remote Condenser that is notequipped with a Head Pressure Control Valve Required Tools: Screwdriver; Drill; 5/32" drill bit;Two Adjustable Wrenches;...
Page 14 - Electrical; All external wiring should conform to the national,; Interconnecting
Electrical All models must be installed with the correct wiresize and type per the National Electric Code.Locate the nameplate on the back of the cabinetand find the numbers for Voltage, Phase, MinimumCircuit Ampacity and Maximum Fuse Size. Eitherfuses or HACR type circuit breakers may be used. The ...
Page 15 - Plumbing; Water supply to be; Follow all applicable codes
Plumbing CME1356R and CME1656R May 2001 Page 15 Ice Machine Drain Bin Drain Floor Drain Field Supplied Water Filter Potable Water Source All models require an adequate potable watersupply and a gravity drain. The recommendationsfor tubing are: · Water supply to be 3 8 " OD. · Drain to be 3 4 ...
Page 16 - After Utility Connections
After Utility Connections 1. Wash out the bin. If desired, the interior of thebin could be sanitized. 2. Locate the ice scoop (if supplied) and have itavailable for use when needed. 3. Switch on the electrical power. Do not start themachine for 4 hours. 4. Go thru the final check list (below). Final...
Page 17 - Component Location and Function; Reservoir: Contains the water used to make ice.
Component Location and Function Reservoir: Contains the water used to make ice. Water Inlet Valve: Opens to allow water into thereservoir. Evaporators/Freezing Compartment: Location ofthe evaporators. Ice forms on the evaporators, andis released when warmed up during the harvestcycle. The freezing c...
Page 18 - AutoIQ Controller
AutoIQ Controller Indicator Lights: · Bin Full: On when bin is full, goes on and off as ice falls during a harvest cycle. · Freeze: On when the unit is in the Freeze cycle, blinks when a freeze cycle is pending. · Harvest: On when the unit is in the Harvest cycle. · Clean: On when the unit is in the...
Page 19 - Initial Start Up; Freeze Cycle; minutes; Open By Turning
Initial Start Up 1. Remove the left front panel. 2. Locate and open the liquid line valve. 3. Double check quick-connect couplings for leaks. 4. Locate the AutoIQ Controller. 5. Connect electrical power. All lights will blink onand off together then, for blue controllers, the twored lights will blin...
Page 20 - Adjustments; Typical Ice Level When Unit Shuts Off
Adjustments If there was a problem during Initial Start Up: If a diagnostic light came on, check the following. 1. Water. A water error could have been determined by theAutoIQ Controller if the inlet water valve does notfill the reservoir or if the water pump does not startand lower the water level ...
Page 21 - How To Operate The AutoIQ Controller; Pushing and; Off Button
How To Operate The AutoIQ Controller The AutoIQ Controller is amicroprocessor based device thatreceives input from several sourcesand switches various componentson and off. Its manual control is thru the use ofthe Push Button Control Switches 1. Freeze Button. Pushing and releasing this button start...
Page 22 - How The Electronic Cuber Works; Refrigeration System:; Refrigeration Schematic
How The Electronic Cuber Works This section is intended for the technician. It is not necessary for the normal operation and maintenanceof the machine. Refrigeration System: The refrigeration system is similar to that of mostcommercial cube ice machines. Heat is removedfrom the water and discharged ...
Page 23 - Reservoir water temperature; This is measured
How The Electronic Cuber Works Water System: Freeze: The water pump forces water to the top of theevaporators. The un-frozen water falls thru thecube deflectors and back into the reservoir. Aswater is turned into ice, the water level in thereservoir falls, and the machine will re-fill thereservoir o...
Page 24 - Technicians Only: Freeze Cycle Sequence; AutoIQ Controller Operation, Beginning freeze:
Technicians Only: Freeze Cycle Sequence Assuming the machine has been operational, theFreeze cycle begins with the end of the HarvestCycle: · Water Inlet Valve is Closed · Water Pump is ON · Compressor is ON · Hot Gas Valve is Open AutoIQ Controller Operation, Beginning freeze: 1. Switches on Freeze...
Page 25 - Technicians Only: Harvest Cycle Sequence & Other Notes; Harvest; The Purge Valve will be open for 74 seconds.; Water Light; not used
Technicians Only: Harvest Cycle Sequence & Other Notes Harvest The Purge Valve will be open for 74 seconds. The water pump shuts off, it will restart before 74seconds, the restart time is based on the PurgeLevel Setting. The pump restarts and pumps water out of thereservoir until the purge valve...
Page 26 - Sanitation and Cleaning; Push and release the Clean button again.
Sanitation and Cleaning It is the User’s responsibility to keep the ice machine and ice storage bin in a sanitary condition.Without human intervention, sanitation will not be maintained. Ice machines also require occasionalcleaning of their water systems with a specifically designed chemical. This c...
Page 27 - Additional Maintenance; To Properly Place the Evaporator Covers; Return upper inside cover to its original position.; Insert Bottom Tabs in 5th
Additional Maintenance To Properly Place the Evaporator Covers Removal: 1. Remove right front panel. 2. Push up on evaporator cover and swing out thebase. 3. Use the finger holes to pull the lower insidecover down and swing it out from the machine. 4. Pull upper inside cover out from behind thepump ...
Page 28 - Additional Maintenance: Water Distributors; Remove the distributors from the manifolds.; Check That Water Channels
Additional Maintenance: Water Distributors It may become necessary to remove the waterdistributors from the top of the evaporator andclean (de-mineralize) them outside of the icemachine. 1. Remove front panels. 2. Push and release the OFF button. 3. Remove the evaporator covers. 4. Pull the tab at t...
Page 29 - Additional Maintenance: Inlet Water Valve Screen; To Check the Inlet Water Valve Screen.
Additional Maintenance: Inlet Water Valve Screen The inlet water valve has a screen on its inlet sideto keep debris from flowing into the valve. In somecases, this screen may become clogged orrestricted by debris build up. Check for the properwater flow: Flow rate is 2.7 G.P.M. 1. Remove front panel...
Page 30 - Additional Maintenance: Ice Sensors, Condenser; To Clean the Remote Air Cooled Condenser; Disconnect and lock out the electrical power.
Additional Maintenance: Ice Sensors, Condenser The ice sensors use a system of infrared emittingand receiving components to sense the build up ofice in the bin. They are located at the bottom of theice outlet port. They must be free of mineral buildup to function properly. To check: 1. Remove front ...
Page 31 - Service Diagnosis: Diagnostic Light Analysis; Problem or Symptom
Service Diagnosis: Diagnostic Light Analysis CME1356R and CME1656R May 2001 Page 31 Problem or Symptom Possible Cause Probable Correction Machine is off Bin is full Use some ice Bin thermostat is closed Check thermostat Power is off, checkLights. If all Lights are out, check power supply,restore pow...
Page 32 - Service Diagnosis
Service Diagnosis CME1356R and CME1656R May 2001 Page 32 Problem or Symptom Possible Cause Probable Correction Unit is off because of a“Harvest Problem” Bin controls did not senseice falling, unit stayed inharvest until the maximumharvest time ran out. Check bin controls. If the bin full light is on...
Page 33 - Service Diagnosis: Components
Service Diagnosis: Components CME1356R and CME1656R May 2001 Page 33 Problem or Symptom Possible Cause Probable Correction Fan motor does notturn. Open motor windings, orseized bearings Replace fan motor No power to fan motor Contactor may not close. Pump motor does notturn Open motor windings, orse...
Page 35 - PTCR; F. Before current will pass
CME1356R and CME1656R March 2003 Page 35 PTCR The “D” series cubers use a PTCR (PositiveTemperature Coefficient Resistor) in place of aconventional start relay and start capacitor. Power from the contactor connects to the PTCRand to the Run Capacitor A wire connects the other terminal of the PTCR to...
Page 36 - Operational Characteristics:
Operational Characteristics: CME1356R Cycle Times (Minutes): System Pressures (PSIG) Number of Evaporators: · 5 Refrigerant Charge · 288 ounces of R-404A Typical Compressor Amps,single phase · freeze 14 - 15 · harvest 17 - 18 Typical Compressor Amps,three phase · freeze 8 - 9 · harvest 10 - 11 Typic...
Page 38 - Removal and Replacement; Inlet Water Valve
Removal and Replacement Inlet Water Valve 1. Remove the left front panel. 2. Shut off the water supply. 3. Push and release the OFF button. 4. Pull the wire harness off the inlet water valve. 5. Remove screws holding the inlet water valve tothe cabinet. 6. Pull the valve away from the cabinet anddis...
Page 39 - Purge Valve; Water Level Sensor/Float Stem; Remove 1 plastic bolt and the reservoir cover.
Removal and Replacement Purge Valve 1. Disconnect electrical power. 2. Remove left front panel. 3. Unplug wire harness from purge valve coil. 4. Locate and remove the two screws securing thepurge valve to the machine. 5. Pull the inlet and outlet hoses off the purgevalve and remove it from the machi...
Page 40 - Removal and Replacement: AutoIQ Controller; Disconnect; the electrical power.; Back Sensor
Removal and Replacement: AutoIQ Controller 1. Disconnect the electrical power. 2. Remove the front panel. 3. Remove mounting screw holding controller tocabinet. 4. Touch a metal surface to discharge any staticelectricity. 5. Pull controller out slightly and unplug allelectrical connections. Note: Do...
Page 41 - Removal and Replacement: Water Level Sensor; tan; brown; stem
Removal and Replacement: Water Level Sensor 1. Remove front panel. 2. Push and hold the OFF button. Release it whenthe machine stops. 3. Trace wire harness from water level sensor tothe AutoIQ Controller (#2). Unplug the harnessfrom the controller. 4. Lift the pump and mounting plate up enough torem...
Page 43 - Refrigerant; Recovering the Refrigerant
Refrigerant 1. This ice machine uses R-404A or HP62 as arefrigerant. It has several unique characteristics. A. It is a near-azeotrope, and must be liquidcharged. B. It must use polyol ester refrigerant oil, and thatoil is very water absorbent. The system must notbe open for more than 15 minutes. C. ...
Page 44 - Liquid Charging; Use an electronic scale to measure the charge.
Liquid Charging Because R-404A is a near-azeotrope, only liquidrefrigerant can be used to recharge therefrigeration system. To do that may take somespecial techniques: 1. Use an electronic scale to measure the charge. 2. Place a drum or cylinder of R-404A on thescale, valve side up (most R-404A disp...
Page 45 - Before Calling for Service; To Manually Reset the machine.
CME1356R and CME1656R March 2003 Page 45 Before Calling for Service Check the following: 1. Has the water supply to the ice machine or building been shut off? If yes, theice machine will automatically restart within 25 minutes after water begins toflow to it. 2. Has power been shut off to the ice ma...
Page 46 - Ice Sensors; A new water level sensor is also being used on CME306 and CME456.; SERVICE BULLETIN; Photo-Eyes in New Ice Sensor
Subject: New Ice Sensors in CME1356, CME1656 and CME2006. New IceSensors, new Water Level Sensors and new Controllers in CME306 andCME456. Ice Sensors : Scotsman has begun production of ice machines equipped with a new style of ice sensor. The new sensor is interchangeable with the prior sensors, wh...
Page 47 - Sensor Holder
Photo-Eye Module Separated from Holder Route Wire Under Clip, Push Module Into Place Push to Release Photo-Eye Module The new ice sensor’s have a photo-eye module thatcan be separated from the holder. Once separated, the lenses of the photo-eyes caneasily be cleaned with a soft cloth or cotton swab....