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®
CONTINUOUS FLOW ICEMAKER
WCC1401-A/WCF1411-A Series
Service Manual
Release Date: October 26, 2006
Publication Number: 630460324SER
Revision Date: September 24, 2008
Revision: C
Visit the IMI Cornelius web site at www.cornelius.com for all your Literature needs.
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CONTINUOUS FLOW ICEMAKER SERVICE MANUAL The products, technical information, and instructions contained in this manual are subject to change without notice. These instructions are not intended to cover all details or varia- tions of the equipment, nor to provide for every possible contingency in the installation, operation or maintenance of this equipment. This manual assumes that the person(s) working on the equipment have been trained and are skilled in working with electrical, plumbing, p
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TABLE OF CONTENTS Safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Read and Follow all Safety Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Recognize Safety Alerts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Diffe
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Continuous Flow Icemaker Service Manual SAFETY SAFETY INSTRUCTIONS Read and Follow all Safety Instructions Read and follow all safety instructions in this manual and on the machine (decals, labels, and laminated cards). Read and understand all applicable OSHA (Occupation Safety and Health Administration) safety regula- tions before operating the machine. Recognize Safety Alerts This is the safety alert symbol. When you see it in this manual or on the machine be alert to the potential of perso
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Continuous Flow Icemaker Service Manual GENERAL DESCRIPTION This section gives the Unit description, theory of operation, and design data for continuous flow icemaker series WCC1401-A. SPECIFICATION CHART Refrigerant Comp. Fan GRMTR Circuit Models Description VAC HZ PH Wire RLA Amps Amps Fuse Oz. Type WCC1401-A Ice Maker 208/230 60 1 2 12.2 1.2 (2) 2.0 (2) 35 404A 20 FIGURE 1 Publication Number: 630460324SER - 2 - © 2006-2008, IMI Cornelius Inc.
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Continuous Flow Icemaker Service Manual FIGURE 2. Series WCC1401-A/WCF1411-A Dimension Drawing © 2006-2008, IMI Cornelius Inc. - 3 - Publication Number: 630460324SER
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Continuous Flow Icemaker Service Manual ELECTRICAL FIGURE 3. Schematic WCC1401-A/WCF1411-A Publication Number: 630460324SER - 4 - © 2006-2008, IMI Cornelius Inc.
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Continuous Flow Icemaker Service Manual REFRIGERATION SCHEMATIC Condenser Evaporator Dryer TXV Compressor FIGURE 4. WCC1401-A © 2006-2008, IMI Cornelius Inc. - 5 - Publication Number: 630460324SER
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Continuous Flow Icemaker Service Manual FIGURE 5. WCC2001QTR REFRIGERATION DIAGRAM Publication Number: 630460324SER - 6 - © 2006-2008, IMI Cornelius Inc.
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Continuous Flow Icemaker Service Manual CLEANING AND SANITIZING ICEMAKER CLEANING AND SANITIZING PROCEDURES Do not use any of the ice made during cleaning operations. Clean and sanitize ice storage area when cleaning icemaker. 1. Turn off machine. 2. Shut off water supply 3. Remove ice from storage bin. 4. Mix approved cleaner (2 gallons as directed). Recommended cleaner: No-Calgon liquid ice machine cleaner. Mixture: 3-1/3 ounces per gallon of water. WARNING: Cleaner must be safe for stainles
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Continuous Flow Icemaker Service Manual Semi-Annually Semi-Annually in addition to all previously established service procedures perform the following: 1. Check for water leaks in tube connections, water fittings and lower icemaker water seal. 2. Check drain tubes for clogs and aged tubes. Replace if tubes are stained or brittle. 3. Check for signs of condensation. Clean where necessary and replace insulation properly. 4. Check safety circuits for proper operation. 5. Check refrigeration system.
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AIR TEMP AIR TEMP. Continuous Flow Icemaker Service Manual REFRIGERATION SYSTEM Suction Pressure +- 2 lb. Discharge Pressure +- 10 lbs. Water Temperature Water Temperature 50° 70° 90° 50° 70° 90° 50° 18 18 18 50° 213 213 213 60° 20 20 20 60° 220 220 220 70° 20 20 20 70° 225 225 226 80° 21 21 21 80° 230 230 231 90° 23 23 23 90° 251 251 252 105° 27 27 27 105° 302 302 303 REFRIGERATION SYSTEM ADJUSTMENTS A complete understanding of the icemaker and hermetic refrigeration system is necessary before
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Continuous Flow Icemaker Service Manual WATER LEVEL CONTROL HOW WATER LEVEL CONTROL WORKS When water is introduced through the inlet fitting the float rises, the float pushes against a lever that in turn, forces the poppet assembly against the inlet fitting valve seat that seals the water off. See Figure 1 (page 7). Before the water inlet is sealed, the safety switch is operated. In the event of a water failure the float would drop down and operate the safety switch to shut off the machine. I
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Continuous Flow Icemaker Service Manual BIN CONTROL The type of bin control used on all WCC and WCF Models is an electronic control. The control is supplied with power to terminals X1 and X2. Terminals X3 and X4 are a normally closed switch which open when the thermostat sensor bulb senses ice. The WCC1401-A/WCF1401-A uses 2 controls, terminals X1 and X2 are connected in parallel and terminals X3 and X4 are connected in series. The sensing bulbs are located in a 5/16” stainless steel tube wh
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Continuous Flow Icemaker Service Manual GEARMOTOR OVERLOAD TRIPPED Check water level control and evaporator water tube for line build-up restrictions. NO YES CAUTION Clear ice from CLEAN evaporator and auger before See Instructions. resetting overload. Reset overload. IMPORTANT Icemaker Will not Resets but runs. Reset. motor does Icemaker runs when not run. reset but problem has not been found. Continue checking for overload as follows to Short run. Trips Overload guard against future again in 2
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Continuous Flow Icemaker Service Manual MOTOR CHECK The resistance readings on the winding will be between 5 to 25 ohms. A meter capable of these low readings must be used. The start relay cover must be removed. If no continuity on start or run winding test, replace gearmotor. If continuity on grounded motor test, replace gearmotor. START RELAY 1. Check between “2” and “4” on relay (with relay unplugged). If there is continuity replace the relay, as the relay contacts should be open. 2. Check
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Continuous Flow Icemaker Service Manual AUGER AND EXTRUDING HEAD REMOVAL 1. Disconnect unit from power supply. 2. Remove storage container cover and put aside. 3. Turn off water supply to icemaker. 4. After ice has melted from head take hold of the auger nut and lift straight up to disengage from icemaker. 5. When replacing the auger assembly, make certain that both the auger engages the output shaft drive and the extruding head ribs engage the evaporator tube. INSTALLATION AND SHAFT SEAL REPL
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Continuous Flow Icemaker Service Manual ELECTRICAL CHECKOUT 1. Be sure the unit is disconnected from the power source. Remove the compressor electrical box cover. Check for obvious damage and loose wires. 2. Disconnect the fan motor leads. Since capacitors store energy, short the capacitor with a screwdriver. This will prevent shocks. 3. Disconnect the compressor terminal wires. OVERLOAD CHECK Using a volt–ohmmeter check the continuity across the overload, contact #1 and #3. If none, wait fo
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Continuous Flow Icemaker Service Manual GUIDE TO GOOD ICE CUSTOMER CHECK ICEMAKER CHECK ICE MAKER COMMENTS LOCATION CONDITIONS FIRST “It runs but the ice is Proper air flow for condens- Use gauges for checking too soft.” ing system. suction and head pressures. See manual “The icemaker is not Location too close to high for correct reading and producing enough ice.” units such as coffee urns, conditions. Check frost deep fryers, grills, etc. line and sight glass. “The ice is too wet.” Supply water
