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SERIES 322
ICE CUBE MACHINE
Service/Installation
Guide
Part No. 166240008
March 17, 1995
THIS DOCUMENT CONTAINS IMPORTANT INFORMATION
This Manual must be read and understood before installing or operating this equipment
PRINTED IN U.S.A
Ó IMI CORNELIUS INC; 1995
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TABLE OF CONTENTS Page SAFETY INFORMATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 SPECIFICATIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 ELECTRICAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 PLUMBING CONNECTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 UNPACKING . . . .
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TABLE OF CONTENTS (cont’ d) Page FLOODING TXV - PRODUCT SYMPTOMS . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 WATER REGULATING VALVE . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21 SERVICE STEM VALVES . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 MOISTURE CONTAMINATION . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22 COMPRESSOR CONTACTOR . . . . . . . . .
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SAFETY INFORMATION Recognize Safety Information This is the safety-alert symbol. When you see this symbol on our machine or in this manual, be alert to the potentially of personal injury. Follow recommended precautions and safe operating practices. Understand Signal Words A signal word - DANGER, WARNING, OR CAUTION DANGER is used with the safety-alert symbol. DANGER identi- fies the most serious hazards. Safety signs with signal word DANGER or WARNING WARNING are typically near specific hazards.
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THIS PAGE LEFT BLANK INTENTIONALLY 166240008 2 3/17/95
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SPECIFICATIONS 322 SERIES 15.00 C 22.00 A 5.00 6 FT ELEC- 1.00 TRICAL 7.00 2.00 CORD FRONT 16.38 AIR IN 14.75 F E 11.25 23.50 21.00 .75 D 2.75 B 5.00 2.25 23.50 22.00 NOTE: MUST USE 20 AMP RECEPTACLE A WATER INLET B PUMP OUT DRAIN C ELECTRICAL CONNECTION D CONDENSATE DRAIN E CONDENSER (WATER OUT)(W/C ONLY) F CONDENSER (WATER IN)(W/C ONLY) ill 140 Net Weight . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 122 lbs. Shipping Weight . . . . . . . . . . . . . . . . . . . . . . . . . .
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LEVELING 1. 1. If legs are used, adjust the leveling legs of the storage bin until the unit is level and all four(4) legs are in sold contact with the floor. Leveling is very important to obtain proper draining and to maintain the proper level in the water pump pan of the ice cuber. Note: If the bin is to be installed flush to the floor, the bin must be sealed to floor with an approved mastic such as Dow R.T.V. #732, 734, or G.E. #102, 108. This is an N.S.F. requirement and is the respon- sibili
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Diagram 2 MAKE ELECTRICAL POWER SUPPLY CONNECTION Requirements: 115V/60 Hz 1 ph., 230V/60 Hz. 1 ph., or 220V/50 Hz. 1 ph when used. Refer to serial plate for minimum circuit ampacity and maximum time delay fuse size. All wiring must conform to national and local electrical codes. MAKE PLUMBING CONNECTIONS Water supply -- (install per local codes) (See diagram 3). The water inlet connection to the unit is a 3/8”male flare connection located at the rear of the ice machine. WARNING: If the water pr
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NOTE: TAKE CARE NOT TO POWER CORD KINK OR COLLAPSE VINYL (322 UNIT ONLY) TUBING. STRAINER WATER (NON-DIRECTIONAL) SERVICE VALVES 50 PSI MAX. WATER PRESSURE WATER SUPPLY ICE MAKING WATER SUPPLY WC CONDENS- ER DUMP VALVE DRAIN VENT DRAIN WC DRAIN CONDENSER PIPE DRAIN CONDENSATION VENT OPEN TRAPPED OR VENTED BIN DRAIN DRAIN TYPICAL INSTALLATION: ALL ELECTRICAL & PLUMBING ill018 MUST BE DONE PER LOCAL CODES. DRAIN Provide a suitable trapped open drain as close as possible to the area where the ice m
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SUPPORT WEB ADJUST HERE RESERVOIR 1/4” WATER LEVEL FLOAT ASSEMBLY ILL023 WARNING: Ice maker will not operate properly when water supply temperature is below 50_ F. or above 100_ F. Water supply flowing pressure must not exceed 50 PSI. STARTING THE UNIT After the ice cuber has been unpacked and leveled and all plumbing and electrical connections have been made, start the unit, and check for proper operation. A cuber has three separate circuits: the water circuit, the refrigerant circuit and the e
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Also check to see if the float valve is functioning properly and the correct water level is being maintained. Adjust if necessary. 2. Check the refrigerant circuit by making sure that the condenser fan is running. (This will be evident by air noise) Is the compressor running? (Feel the casing for vibration). Is the evaporator getting cold? 3. Check bin--harvest switch operation. )See procedure in manual). WATER DISTRIBUTOR HOLES ILL025 INSTALLATION INSTRUCTIONS FOR MOUNTING ON DRINK DISPENSERS F
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Re--check per above procedure. SANITIZING AND CLEANING PROCEDURE 1. Remove front panel to gain access to the on--off clean switch. 2. Push switch to “Clean”and allow the ice on the evaporator to release or melt away. ELECTRICAL BOX SWITCH, DUMP SWITCH, ON/OFF/CLEAN WATER PUMP ILL063 3. Remove ice from storage bin. 4. If lime scale is present add 2 oz. of “Lime--A--Way”or “Calgon NickelSafe Ice Machine Cleaner”directly into water reservoir. Circulate for not longer than 10 minutes. Depress dump v
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WATER TREATMENT Depending on the water source for the ice maker, water treatment may be necessary to prevent calcium or lime scale deposits, bad taste and odor, chlorine problems, as well as slime growth. If these conditions exist, contact your Cornelius Distributor or Dealer for information on water treatment systems Cornelius offers. WINTER STORAGE If the unit is to be stored in an area where the temperature will drop below freezing, it is most important that all water lines be drained to prev
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AVERAGE OPERATING CHARACTERISTICS AC322 IP Units FREEZE CYCLE HARVEST CYCLE HEAD SUCTION HEAD SUCTION AVERAGE AVERAGE AMBIENT WATER PRES- PRES- CYCLE PRES- PRES- CYCLE ICE ICE TEMP TEMP SURE SURE TIME SURE SURE TIME WEIGHT WEIGHT Min:Sec Min:Sec _ F _ F Psig Psig Psig Psig lb/Day lb/Cycle 70 50 167 25 9.6 133 94 .7 2.4 333 80 70 198 28 13.3 135 97 .7 3.0 305 90 70 229 31 15.5 152 110 .6 3.0 270 90 80 231 31 16.5 154 111 0.6 3.0 249 100 70 259 33 18.8 173 127 .5 3.0 225 SI Units FREEZE CYCLE HARV
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3/17/95 166240008 12 AIR COOLED CONDENSER FAN BLADES FAN MOTOR EVAPORATOR HEAT EXCHANGER WATER FLOAT VALVE THERMOSTATIC WATER EXPANSION VALVE DUMP VALVE HOT GAS FILTER/DRIER SOLENOID WATER PUMP VALVE S HIGH SIDE SER- LOW VICE SIDE VALVE SERVICE VALVE COMPRES- SOR REFRIGERATION AND WATER SYSTEMS MODELS AC322
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3/17/95 166240008 13 WATER REGULATING VALVE WATER-COOLED CONDENSER WATER INLET EVAPORATOR HEAT EXCHANGER WATER FLOAT S VALVE THERMOSTATIC WATER EXPANSION VALVE DUMP VALVE HOT GAS FILTER/DRIER SOLENOID WATER PUMP PRESSURE SWITCH VALVE S HIGH SIDE LOW SIDE SERVICE SERVICE VALVE VALVE REFRIGERATION AND WATER SYSTEMS MODELS WC322 COMPRESSOR
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DUMP CYCLE SUPPORT WEB ADJUST HERE RESERVOIR 1/4” WATER LEVEL FLOATASSEMBLY ILL023 1. With the proper water level in the water pan, start the water pump to circulate the water. Check that the float will return water level to original setting and stop inlet water. 2. Push the manual dump switch -- allow dump action to drain the water pan. When you release the momen- tary switch, the pump will stop and the float will return the water level back to its original setting and shut off the water supply
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ADJUSTING BRIDGE THICKNESS TOP ROW 3/8I- 5/8IDIMPLE CENTER 1/8IBRIDGE BOTTOM 2 ROWS BRIDGE 1/8I(0.32 CM) 3/16I- 1/4IBRIDGE For optimum ice production and maximum cube separation, the ice connecting the individual cubes should be a minimum of 1/8I(.32cm) thick at the center area of the ice waffle. It is normal for the ice slab to be slightly thicker at the bottom and taper off in a slight wedge pattern at the top. The top row of cubes must have a complete pattern of ice on all four sides and the
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Cycle time (CT) = freeze time plus harvest time, in minutes and seconds. 1440 divided by CT = number of cycles per 24 hours. Measure weight of ice from one cycle in pounds and fractions of a pound. Example: Weight/cycle x cycles/day = total production/24 hrs. Compare to the production tables * If water cooled, be certain water regulator valve is set to maintain 225/235 PSI head pressure. Water D-15 Dump D-13 Valve YL RH Evap. Switch D-14 Contactor 7 8 RH Evap. 5 6 Water Pump 3 4 YL LH Evap. Swit
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STATUS INDICATOR D6 Green LED Condenser Fan D10 Yellow LED Left Water Curtain D11 Green LED Hot Gas Valve D12 Green LED Water Pump D13 Yellow LED Right Water Curtain D14 Green LED Compressor Contactor D5 Red LED Error D15 Green LED Dump Valve Curtain Open D13 Yellow LED off Right evaporator curtain open. D10 Yellow LED off Left evaporator curtain open. Pre-Chill Mode D6 Green LED (on or off) Condenser fan cycles on & off depending upon condenser temperature. D14 Green LED (on) Compressor contact
