Icematic Eiswürfelmaschinen der N-Serie
Contents
1. SPECIFICATIONS MODULAR CUBER N 202M Lr TE x KS201 301 3mm L c 1 D201 D310 iil STANDARD HALF DICE AIR COOLED 9 Water drain 020 mm Potable water inlet 3 4 GAS WATER COOLED Dilel b lo e LIO AIR COOLED WATER COOLED 53 1 i 9 19 E Water cooled inlet 3 4 GAS Water cooled outlet 3 4 GAS att Cond unit Finish Comp HP warr ied 3 1 24 202 410 N202M W Water Stainless Steel 7 8 2400 Basic Start Electric power cons Amps Model electr Amps amps watts Kwhx24 HR Fuse N202M A 4 5 1000 202 220 240 50 1 40 29 850 24 48 3x1 5 mm 16 NOTE To keep your M2. set AIR COOLED WATER COOLED 142 Water cooled outlet 3 4 GAS Model Cond unit Finish Comp HP water ron i 1 24 HR 0 Ta Stainless Steel 2 2 Basic Start Electric power cons Amps Model electr amps amps walls Kwhx24 HR Fuse 380 400 50 3 35 24 1900 43 70 3 1 5 mm 10 NOTE To keep your Modular cuber performing at its maximum capacity it is necessary to perform periodic maintenance as outlined on the last pages of this manual Cubes per harvest 342 Full 684 Half With water at 15 t air 32 C t water 21 C FOR THE INSTALLER INTRODUCTION These instructions provide the specifications and the step by step procedures for the installation start up and operation for the model N 202 302 402 502 Modular Cubers The Modular Cubers are quality designed engineering and constructed and are thor oughly tested icemaking systems providing the utmost in flexibility to fit the needs of a particular user INSTALLATION NOTE Allow 15 cm minimum space at sides and back for ventilation and utility connections STORAGE BIN The models 202 302 402 502 stack onto Icematic bin model D 201 D 310 Refrigerant R 404 A Charge per nameplate rating STANDAR
3. 9 AIR COOLED WATER COOLED Water cooled outlet 3 4 GAS m Water req Model Cond unit Finish Comp HP IU24 HR R Ta Stainless Steel 1 5 8 Banc Basic Start Electric power cons Amps electr amps walls Kwhx24 HR Fuse iw 220 240 5011 2 9 1920 40 008 3 1 5 mm 16 NOTE To keep your Modular cuber performing at its maximum capacity it is necessary to perform periodic maintenance as outlined on the last pages of this manual Cubes per harvest 342 Full 684 Half With water at 15 t air 32 C t water 21 C KS501 SPECIFICATIONS MODULAR CUBER N 502M ressa pires STANDARD HALF DICE 760 668 5 263 5 43 5 75 le _Mater drain 020 mm Potable water inlet 3 4 GAS
4. cus JD INCTLINGA 34055384 02 Dp SIN3NOdWOO 40 31891 ILNINOdNO9 VON3931 420 39937 Id INIWSGI V 2 22140119 VZNIS 12931 V GSSAWSVAL 0 ULILUUUSGIM 3843853 JAJU NUN FHF FINISI A 131 71501953 913140040 YT VAS3SIM IS 0911595 27 SERVICE DIAGNOSIS The table below is intended as a quick reference to aid the Service Agent in determining the cause of a partic ular type of malfunction as well as the recommended repair It is not intended to be an exclusive list Reference to other portions of this manual inclusing wiring diagrams installation and operation are recom mended to better determine the cause of a problem SYMPTOM POSSIBLE CAUSE CORRECTION Warning Red LED ON No warning LED LIGHT ON See page 20 P C Board inoperative No power to unit See page 20 Remove board and check Check electrical source Bin full Yellow LED ON Bin Full of ice Magnetic switch inoperative Nome Check and replace Machine runs compressor does not P C Board compressor relay open Compressor contactor open Compressor relay open Compressor
5. Cond unit Finish Comp HP VICIS i 124 HR N302M A Air 440 N302M W Water Stainless Steel 1 3 8 2750 Basic Start Electric power cons Amps Model electr amps amps watts Kwhx24 HR PIDE Mies Fuse N302M A 6 2 1300 2 N302M W 220 240 50 1 52 32 1050 28 63 3x1 5 mm 16 NOTE To keep your Modular cuber performing at its maximum capacity it is necessary to perform periodic maintenance as outlined on the last pages of this manual Cubes per harvest 234 Full 468 Half With water at 15 7 P air 32 C t water 21 C KS401 uem 760 SPECIFICATIONS MODULAR CUBER N 402M STANDARD HALF DICE 668 5 263 5 43 5 set 75 le _Mater drain 020 mm Potable water inlet 3 4 GAS
6. ass s 5534 JWIOIjMJdOS 11631 H 1223 N IT 09949 1238 17 VZNVXTTIDI 1304 138662 w 8922 OSI IND 3NUISIQJed IU VZNVXTTIDI IT 3NUIZVOIUNI 2 31008 INGE HIS3A SIT 3H21I HADH VIVI Xelq A aniq 1961 042112 bww 810109 01335 380103 3NOIZ3S NO VIOUVW 3HOIVSNSONOO WO LU YLS 305534405 OINNAdS JHOIVSN3ONOO 89 3805534 34400 3184 jun 333 NUO HO LOW NY 3 0105 3HOLVILLNS A Gun panos 4140 riv 4461 0105 SYOLVTILNS Al SYO JAYA 3OHYHOSIO H31VM SYO 11 13 JAYA L3 INI H3LVAA HOLIMS 193534 SILVA OLN Y HOLIMS SYNSS 334 9INOHIO I3 031 38044 34 43 YI SNIONOI YOSNIS 1 HOLIMS ONILS OH 330 MOSN3S 391 3HOSN3S 305534409 HOLIMS 1081 9 SLOWSY 305534409 3305534409 3HOSS3HdWOO TvNITASST OSS389NI 3540 32528 DlsddV UTI3OLLNUJd X VLON
7. 7 Condenser temperature sensor The condenser temperature sensor probe located in contact with the condenser tube coil detects the con denser temperature variations and signals them by supplying current at low voltage to the P C BOARD In the air cooled versions in relation to the different current received the micro processor of the P C BOARD supplies through a TRIAC the power at high voltage to the fan motor so to cool the condenser and to reduce its temperature In case the condenser temperature rises and reaches 65 150 F the current arriving to the micro proces Sor is such to cause an immediate and total stop of the machine operation with the blinking of the Red LED 8 High Pressure Control The high Pressure Control a safety control is factory set to cut out at 30 bar and cut in at 22 bar to shut OFF electrical power to Icemaker should loss of water occur to the water cooled Condenser or a burnt out of the fan motor on air cooled versions The high Pressure Control is manual reset with reset but ton located on the rear side of the machine and a mon itoring light on the Front Console Panel 9 Water Regulating Valve Water Cooled Models The Water Regulating Valve functions maintain a con stant Compressor head pressure by regulating the amount of incoming water flow through the Condenser on water cooled models The valve operate through the refrigerant system high side pressure Rotating the adjus
8. MORE THEN GO INTO HAR VEST CYCLE FAN MOTOR ALWAYS IN OPERATION DURING THE PREVIOUS FREEZING CYCLE GO STRAIGHT TO THE HARVEST CYCLE First freezing time will range between 13 and 17 minutes Longer time for temperature above 25 and shorter time required when temperature are below 25 C Average complete cycle time is about 15 min HARVEST CYCLE 1 14 During the harvest cycle the components in opera tion are Hot Gas valve Harvest assist solenoid pusher Water Drain Purge Valve Water Pump for the first 40 Compressor and both Machine Under Power Machine in Operation 30 seconds after the beginning of the Harvest Cycle the Water Inlet Solenoid Valve is energized for 10 seconds only in order to have a short flush of fresh water into the sump while the Water Pump is still in operation The Fan Motor remains in OFF mode unless the Condenser Sensor probe rise up to more then 38 same set up as per end of freezing cycle When the ice plate is falling down from the evapo rator the magnetic switch is activated for a while providing the signal to the PC Board to restart a new freezing cycle Observe first ice cube harvest and check size of ice cubes if an adjustment is required thread down or out screw N 1 as shown on below illustration TRL sk S lt ISSA Thickness Sensor Adjustment This screw position de
9. longer then 3 30 The fourth Red LED is BLINKING SLOW TOO HI CONDENSING TEMPERATURE The condenser sen Sor detected a temperature gt 65 The fourth Red LED is BLINKING FAST RESET MODE Condenser Sensor 50 Fan motor in operation for 3 then back on Start Up Cycle Mode 5 4 3 BO HIGH 7 PRESS The fifth Red LED is ON STEADY TOO HI 015 CHARGE PRESSURE gt 33 bar 460 PSI The fifth Red LED is BLINKING FAST RESET MODE After pushing the Reset Button of the Pressure Control the fan motor starts up first for 3 then the machine enters on the Start Up Cycle Mode ON 1 ON 1 Om The PC Board is also checking the maximum time of the freezing cycle that changes according to the oper ation of the fan motor during the freezing cycle room temperature Fan motor in Max freezing cycle length ON OFF mode equal to 30 Fan motor ON Max freezing cycle length All the time equal to 40 Whenever the machine remains in the Freezing Cycle for the Maximum time 30 or 40 minutes the PC Board moves the unit directly into the Harvest Cycle PC BOARD SET UP The PC Board can be set up for Water fills up only at beginning of freezing cycle Continuous water fills up during the freezing standard JUMP IN cycle option for N USPH version for installation on board JUMP OUT SERVICE SPECIFICATION In servicing a machine it
10. 1 16 5 16 5 30 3 5 1 9 14 5 9 0 6 7 N502M 400 50 3 16 14 33 2 9 1 6 12 B7 3 0 N502M W 400 50 3 16 5 16 5 30 3 2 1 8 15 5 3 6 2 8 Refrigerant charge R 404 A gr MODEL N132M N192M N202M N302M N402M N502M Air Cooled 500 800 700 850 1300 1500 Water cooled 450 600 500 550 650 1200 Refrigerant metering device Thermostatic expansion valve 20 NOTE Always check nameplate on individual ice machine for special refrigerant charge before char ging the refrigeration system Such refrigerant charge is the average charge for the N Modular Cubers However it is important to check nameplate for each machine COMPONENT DESCRIPTION 1 Front Console Panel Equipped with five LED plus a push button that when glow or blink are monitoring LED Nr 1 Electrical power supply LED Nr 2 Operation LED Nr 3 Bin full Washing LED Nr 4 Alarm PC BOARD 2 P C Board Located in the control box this board is the brain of the system as it governs the ice machine cyclematic through sensors relays and switch It consists of two separated printed circuits one at high and the other at low voltage integrated with a fuse of four connectors for the sensors switches condenser sensor BLACK magnetic switch GREEN ice thickness sensor RED water level sensor BLUE of two jumpers one J1 for factory use only and the second J2 for the selection between one water fill up or continuous water
11. PARTIELLEMENT LES DEUX MS EVIDENCIEES the masking tape from the thickness sensor PLACEES SUR LA PARTIE POSTERIEURE DE LA MACHINE ENSUITE REVISSEZ LES ENE FIXANT LE DEFLECTEUR INSTALLATIONSANWEISUNGEN DIE ZWEI AUSGEZEICHNETE SCHRAUBEN DIE AN DIE HINTERSEITE SICH BEFINDEN AUSDREHEN DANN WEDERSCHRAUBEN UND DER DEFLEKTOR FESTMACHEN Cod 19263094 0 Rev 00 FOR THE PLUMBER CONFORM TO ALL APPLICABLE CODES WATER INLET AIR COOLED MODELS The recommended water supply is cold water connected to the 3 4 gas male fitting at the back of the cabinet Install a hand valve near the machine to control the water supply 1 Switch 2 Plug receptacle 3 Electrical plug 4 Water inlet 5 Shut off valve 6 7 8 Water filter Water outlet line Bin water outlet line 9 Open vented water drain 10 Water outlet from the condenser water cooled version only 11 When choosing the water supply for the Cuber con sideration should be given to A Length of run B Water clarity and purity C Adequate water supply pressures Since water is the most important single ingredient in producing ice you cannot over emphasize the three items listed above Low water pressure below 1 bar may cause malfunction of the icemaker unit Water containing excessive minerals will tend to produce cloudy colored ice cubes p
12. circuit to the main contactor coil and consequently to the compressor and fan motors and 30 later to the water pump motors Then as the ice thickness reaches the value that cor responds to the full cube size the film of water that constantly cascades over the slab of ice formed on the evaporator arrives to establish a contact between the two fingers energised at low voltage of the ice sensor control located on the front upper right side of the evaporator If the contact between the two fingers of the ice sensor remains established by the film of 17 water for more than 10 seconds small relay of the electronic board get energized controlling simulta neously the hot gas valve the water drain valve and the harvest assist solenoid NOTE in case of failure of ice level sensor the P C Board turns on automatically the unit into the defrost cycle when the freezing cycle reaches 30 or 40 minutes according to the operation of the fan motor during the freezing cycle At this point the unit initiates the defrost cycle The hot gas circulating into the evaporator serpentine causes a slight melting of ice cubes which get released from their molds In the mean time the harvest assist solenoid is also energized pushing out the ice plate Once entirely released the ice cubes drop simultane ously into the ice storage bin below by doing so they move apart from the evaporator bottom end the plastic deflector This
13. cubes The water pump remains off during the first 30 seconds of the freezing cycle to avoid any cavitation problem while it s kept running during the first 10 of defrost harvest cycle to drain out purge the remaining water from the sump reach in mineral salts 14 Water inlet solenoid valve 3 4 male fitting The Water Inlet Solenoid valve is energised by the P C Board during the beginning of the freezing cycle till the water reaches the maximum level into the sump con trolled by the Water Level Sensor After 3 minutes from the start up of the freezing cycle the Water Inlet Valve is energised again for a short period to re fill the sump with water till again to the max level so to minimise any possibility of slush ice formation A flow control fitted into its outlet port reduces the pressure of the water flow 24 15 Water level sensor The Water Level Sensor located on the front of the water sump works in conjunction with the P C Board in order to control the water level at beginning of the freezing cycle by receiving a low power current pass ing through the water When the current reaches the PC Board the water inlet solenoid valve is de energised In case the PC Board doesn t receive any signal cur rent from the Water Level Sensor within the first 3 minutes of the freezing cycle the PC Board trips OFF the operation of the machine with the switching ON of the Water Error LEDs 16 Start up del
14. fill up of one outlet connector front LED display black one serial port connector black and of four plug in terminals for input and output power With J2 closed the P C Board is set up for water fill up at beginning freeze mode When J2 is open the PC LED Nr 5 Alarm high pressure BUTTON B Reset Washing 5 44 E M Y FULL X A t 09 COMPRESSOR HOT GAS WATER INLET AND DRAIN WATER PUMP IN FILL UP ING Board is set up for continuous water filling mode The P C Board is equipped by an electronic safety timer that turns on automatically the unit to defrost cycle when freezing cycle is longer then 30 or 40 min utes and trips off completely unit when defrost cycle is longer then 3 5 minutes 4th Red LED ON A trimmer located close to the transformer can change the current received back the Tickness Sensor according to the Electrical Conductivity of the water 3 Compressor Contactor Located in the control box the compressor contactor functions to carry the compressor line current The contactor is wired to receive power from the P C Board 21 4 Ice Thickness Sensor Located in the front upper right side off the evaporator the sensor is made with two metal reeds in which passes power at low voltage The two metal reeds which are individually insulated are set through a set ting screw to maintain a minimum clearence from the e
15. is often useful to compare that individual units operating characteristics to those of a normally operating machine The data that follows gives those characteristics however be aware that these values are for NEW CLEAN machine operating at 21 ambient and 15 water USE THESE NUM BERS AS A GUIDELINE ONLY OPERATING CHARACTERISTICS On air cooled models during the freezing cycle the discharge pressure is maintained between two preset values by means of fan control condenser sensor and at the same time the suction pressure will also decline reaching it s lowest point just before harvest Compressor amps experience a similar drop On water cooled the discharge pressure is constantly maintained during the freeze cycle by the water regu lating valve However suction pressure and compres sor amps will still decline as the machine freezes ice MODEL sie Bosse Cycle time Mm or Freeze max Freeze min bar Beginning end Freeze minutes Beginning end Freeze bar bar Freeze bar bar Freeze N132M 230 50 1 1 14 0 30 4 3 2 3 15 3 8 32 N192M 230 50 1 16 5 16 5 30 4 3 2 4 16 3 6 8 1 202 230 50 1 175 155 98 95 2 0 15 4 7 3 6 202 W 230 50 1 16 5 16 5 30 95 22 16 4 2 3 4 N302M 230 50 1 18 16 33 2 7 1 5 13 6 2 4 8 N302M W 230 50 1 15 5 16 5 30 32 17 13 5 8 4 5 N402M 230 50 1 18 5 16 5 38 2 0 1 8 12 5 8 6 6 4 N402M W 230 50
16. plastic deflector has on its side a magnetic switch that on account of the deflector swinging motion caused by the ice while dropping in the bin opens and closes their contacts This will in turn disactivate the relay contacts that controls the hot gas harvest assist solenoid and water drain valve which get deenergized allowing the unit to start a new freezing cycle When the ice bin is full of ice the last batch of ice cubes released from the evaporator accumulates to keep the bottom end of the plastic deflector in open position with the magnetic switch contacts open for longer than 30 the entire unit stops with the glowing of the corresponding LED The machine will restart when the ice deflector will be back in its normal vertical position provided that 3 are elapsed from unit stop If not the machine will delay its restart till 3 are elapsed with the blinking of the green LED 18 ALARM CONDITIONS 5 4 3 BO Oeo HIGH PRESS M FULL D Both the last two Red LED STEADY Condenser Sensor OUT OF ORDER Both the last two Red LED are BLINKING SLOW WATER ERROR Water level inside the water sump too low after 3 from the activation of the Water Inlet Valve Both the last two Red LED are BLINKING FAST RESET MODE Charging water through the Water inlet Solenoid Valve after the OFF on WATER ERROR 5 4 3 x HIGH 2 2 406 O The fourth Red LED is ON STEADY Harvest Cycle
17. to avoid possible down time by keeping it clean adjusting it as needed and by replacing worn parts before they can cause failure The following is a list of recommended maintenance that will help keep your machine running with a minimum of problems Maintenance and Cleaning should be scheduled at MINI MUM twice per year while sanitation once per month ICEMAKER THE FOLLOWING MAINTENANCE SHOULD BE SCHEDULED AT LEAST TWO TIMES PER YEAR ON THIS ICEMAKER CALL YOUR AUTHORIZED ICEMAT IC SERVICE AGENCY 1 Check and clean or service any optional water treat ment devices if any installed 2 Clean water strainer 3 Check that the cabinet is level in the sideto side and front to back directions 4 Clean Sanitise the water system evaporator plate and sump assembly using a solution of citric acid Refer to CLEANING Icemaker Once a week sanitise it with a commercial food grade sanitiser compling with the manufacturer dilution CABINET EXTERIOR Wipe clean unit and bin cabinet exterior with a clean cloth or disposable paper wipers soaked in warm water with mild detergent solution CLEANING Ice maker 2 3 Empty bin of ice Remove front panel Wait till the end of the defrost harvest cycle then push the RESET BUTTON for 6 8 seconds The machine should stop with the blinking of the Yellow LED slow blink Pour on N 202 302 250 gr Citric Acid N 402 502 350 gr Citric Acid of Icematic
18. winding open Test and replace Test and replace Test and replace Test and replace Machine runs makes ice does not try to harvest thickness control open Too soft water Built in relay on P C Board open Check sensor fingers if are not cove red with scale sediment Water electrical conductivity must be higher then 20 mS Machine can t run with demineralized water Check and replace P C Board Machine runs makes and harvests ice but very slowly Low refrigerant charge Check system for correct refr charge Check for leak weight in charge Low ice capacity High discharge pressure due to not condensableor overcharge Inefficient compressor Condenser dirty Low water flow Water cooled High air temperature air cooled Evacuate and weigh in charge Replace Clean Check and repair Check temperature of air entering condenser Machine makes irregular ice Plugged water distributor TXV supertheat wrong Refrigerant charge low Clean water distributor Adjust or replace Adjust check for leak recharge 28 MAINTENANCE 4 CLEANING 4 SANITATION INSTRUCTIONS A ICEMATIC Ice System represent a sizable investment of time and money in any company s business In order to receive the best return for that investment in MUST receive periodic maintenance It is the USER S RESPONSIBILITY to see that prefer able and less costly in the long run
19. 01 43 29 180 3x15 10 NOTE To keep your Modular cuber performing at its maximum capacity it is necessary to perform periodic maintenance as outlined on the last pages of this manual Cubes per harvest 234 Full 468 Half 4 With water at 15 t air 32 t water 21 SPECIFICATIONS MODULAR CUBER N 192M FEE ma N202M N302M KS201 301 D201 4 fcc paese N202M N302M 23 mm lt lt 26 STANDARD amp HALF DICE AIR COOLED Water Drain 20 mm Potable Water Inlet 3 4 Cord Set WATER COOLED 1 125 Water Condenser Outlet tr 1 114 Water Condenser Inlet Model Cond unit Finish Comp HP 10 Stainless Steel 13 8 UM Model elec amps amps ats pain N ofwires Fuse Ay gt 20 240501 73 32 1050 43502 amm 16 NOTE To keep your Modular cuber performing at its maximum capacity it is necessary to perform periodic maintenance as outlined on the last pages of this manual Cubes per harvest 234 Full 468 Half With water at 15 P air 32 C t water 21 C ora
20. D LEGS Furnished with storage bin Four legs screw into mounting sockets on cabinet base Provide 18 5 cm 7 minimum height including adjustable leveling foot 10 IMPORTANT OPERATING REQUIREMENTS MINIMUM MAXIMUM Air Temperature 10 C 50 F 40 C 100 F Water Temperature 5 C 40 F 35 90 F 0 Water Pressures 1 bar gauge 5 bar gauge Electrical Voltage Variations Voltage rating specified on nameplate 10 10 Extended periods of operation exceeding these limita tions constitues misuse under the terms of Manufacturer s Limited Warranty resulting in a loss of warranty coverage SELECT LOCATION The first step in installing the equipment is to select the location The purchaser of the unit will have a desired spot in mind check out that spot to insure that it is indoors in an environment that does not exceed the air and water temperature limitations for the equip ment that the necessary utilities are available including the correct voltage electrical power that there be space around the installed machine for service 15 cm minimum left right and rear for air cooled models STORAGE BIN The Icematic bins for these units are the D 201 and D 310 Other bins may be available with bin tops to vary the storage capacity Lay the bin on its back using cardboard from the carton to support it screw in the legs Stand the bin upright and correct any possible small tears in the machine mounting gask
21. ELECTRONIC MODULAR CUBES N 132M N 192M N 202M N 302M 402M ii Cod 71503769 0 Rev 01 03 2010 INDEX Table Ob COMES 2 tor dap dene Dele otn Reda detis 3 Specifications eese NS 4 5 6 7 8 9 10 11 12 FOR THE INSTALLER Introduction 13 Storage bin ee t 13 Standardilegs OOO 13 Important operating requirements iii 13 Selecllocationgmme eee ii 14 eR eee 14 e E ee 14 tamem 15 FOR THE PLUMBER Conform to all applicable codes Wateninlot 14 DANS RO eI 15 For the electrician 15 Startup 16 Freezingicycle C E 16 PANOS 2 TETT 16 OPERATION etngeration during freeze E 18 Maler systom 19 Refrigeration system during harvest 20 Vater system 2 1 20 Control sequence EET eem 20 Alarm condi
22. Machine Citric Acid directly into the reser voir then push again the RESET BUTTON for a while The water pump starts to operate with the fast blink ing of the Yellow LED while the water inlet valve will be energized till the fill up of the water sump After 15 minutes push the RESET BUTTON for a while The P C Board put the machine in automatic rinsing mode with the special blinking blink twice and repeat of the Yellow LED NOTE RINSING mode consists of a energize the water drain valve and the water NOTE Cleaning Sanitising requirements vary according to local water conditions and individual user operation Continuous check of the clarity of ice cubes and visual inspection of the water system parts evap orator plates and the sump assembly before and after cleaning will indicate frequency and proce dure to be followed in local areas pump for 40 seconds to empty the reservoir b deenergize the water drain valve and the water pump for 1 minute energize the water inlet valve till the fill up of the water sump d energize the water pump for 1 5 minutes The above sequence is repeted 7 times so to be sure to have removed any possible trace of Citric Acid 5 Check and tighten all bolts and screws Check for water leaks and make corrections 7 Check the bin control to test shut off D Holding the evaporator deflector in open Position for more that 30 shold cause the ice maker to shut off Onc
23. ay PC Board Located in the back side of the unit it delays the start up of the entire machine by 90 so to avoid that com pressor can start up w out be pre heated 17 Start up delay PC Board by pass switch Located in the back side of the machine allows to by pass the delay time controlled by the delay PC Board WARNING It is IMPERATIVE to by pass the delay time only when sure of proper warm up of compressor 18 Harvest Assist Solenoid Operated by the controller in parallel with the hot gas valve Cycles on and off at the beginning of a restart Energized throughout the harvest cycle Line voltage coil Wiring Diagram N202M N302M N402M 220V 50Hz 1ph brown light blue yellow green white black red orange viola o lt d aes 8 EL 8 E La d eet Ge ay 48 E Bu EE A 5 B 12418 gt O B SE Sc o 5 0 5 GE P x79 A Input terminal board L Water pump B Compressor remote control switch M Water inlet valve E a N Water discharge valve Ice sensor E End defrosting switch Se gas ist F Water level sensor SO G Condense
24. e the evaporator deflector is released in its closed position the ice maker will restart 8 Check cube size adjust if required through setting screw of ice thickness control sensor 9 With unit out of operation clean the condenser using vacuum cleaner wisk broom or brush Instruct customer to clean condenser frequently DO NOT USE A WIRE BRUSH ICE STORAGE BIN The interior liner of the bin is in contact with a food prod uct ice and should be cleaned and sanitised regularly 6 At the end of the 7th Rinsing cycle the P C Board Stops the operation of the machine with the blinking slow of the Yellow LED 7 Pushing the RESET BUTTON for 6 8 seconds the machine restarts in the freezing cycle 8 Replace the evaporator cover deflector and front panel 9 Checkthe next batch of cubes to be sure all the Citric Acid is gone no sour taste CAUTION DO NOT use ice cubes produced from the Citric Acid solution Be sure none remains in the bin 10 Pour hot water into the storage bin melt the cubes and to also clean the bin drain 29 Castel MAC SpA Via del Lavoro 9 C P 172 31033 Castelfranco Veneto TV Italy Tel 39 0423 738452 Fax 39 0423 722811 E mail service castelmac it Web site www castelmac it Cod 71503769 0 Rev 01 GB 03 2010 ISO 9001 Cert 0412
25. et with food grade silicone sealant ICE MACHINE AIR BAFFLE The use of a mechanical lift is recommended for lifting Install on the back side of the machine the air baffle as the uncrated icemaker onto the bin per instruction provided with it Remove front top and sides panels Place the unit directly onto the bin align it with the ATTENZIONE ATTENTION ACHTUNG back of the bin Locate the hardware package take out GUESTO DEFLETTORE VA INSTALLATO PER IMPEDIRE LA RICIRCOLAZIONE DELL ARIA CALDA NEL CONDENSATORE two mounting screws and use them to secure the THIS DEFLECTOR HAS TO BE INSTALLED IN ORDER TO Icemaker to the two sides of the bin PREVENT HOT AIR RECIRCULATION IN THE CONDENSER i i CE DEFLECTOUR DOIT ETRE INSTALLE A FIN DE See illustration below PREVENIR LA RECIRCULATION DE L AIR CHAUD DANS Remove all shipping material as well as the masking LE CONDENSATEUR DER DEFLECKTOR MUSS MAN INSTALLIEREN UM DIE tapes from the ice deflector evaporator cover pe cic ALLEREN UM DIE DEFLETTORE AIR DEFLECTOR ISTRUZIONI PER IL MONTAGGIO SVITARE PARZIALMENTE LE DUE VITI EVIDENZIATE POSTE NELLA PARTE POSTERIORE DELLA MACCHINA QUINDI RIAVVITARLE FISSANDO IL DEFLETTORE ASSEMBLY INSTRUCTIONS PARTIALLY UNSCREW THE TWO SCREWS SHOWN PLACED ON THE MACHINA BACK SIDE THEN SCREW THEM AGAIN FIXING THE DEFLECTOR Remove first the ice deflector evaporator cover then INSTRUCTIONS DE MONTAGE DEMSSEZ
26. f the Authorized ICEMATIC Distributor or Service Agency serving him 12 Has the Manufacturer s Registration Card been properly filled out Check for correct Model and Serial Numbers from nameplate then mail the completed card to the Manufactured START UP START UP CYCLE 1 2 Open the water tap valve and switch ON the power on the electrical supply line The models N 202 302 402 502 enter in the Start Up mode with the PC Board energized as well as the Green LED of the machine under power while the models N 402 502 enter in 90 minutes delay time controlled by a special Start up Delay PC Board 5 BO o MW o A VA K A The Green LED of machine in operation is ener eR Water is coming into the water through the Water Inlet Solenoid Valve till the water reservoir if filled up to the maximum level controlled by a Water Level Sensor 30 seconds later the Water Pump starts up After few minutes 3 5 from the start up of the freezing cycle the Water Inlet Solenoid Valve is activated again for few seconds to re fill the water reservoir up to the maximum level so to reduce any possibility of slush ice formation In the meantime the condenser sensor starts to transmit the current to the PC Board keeping in operation the Fan Motor in ON OFF mode or con tinuously according to the condenser temperature NOTE Do not remove the evaporator deflector cover as it will cause the switchi
27. f the ice maker start up reset and operation going through the procedures in the operating instructions Answer all questions about the ice maker by the owner and inform the owner himseft of the name and telephone number of the authorized service agency serving him OPERATION FREEZE CYCLE EVAPORATOR COMPRESSOR 22223 EXPANSION VALVE HOT GAS SOLENOID VALVE toll LL AIR OR WATER STRAINER CONDENSER Y SS 72272222 DRIER RECEIVER WATER COOLED ONLY HIGH PRESSURE VAPOR HIGH PRESSURE LIQUID lt XXANSASANN o o 99 9 LOW PRESSURE LIQUID LOW PRESSURE VAPOR REFRIGERATION SYSTEM SCHEMATIC REFRIGERATION DURING FREEZE This ice machine employes either air or water as a condensing media the refrigeration system for either one is a follows At the hermetic compressor Refrigerant is com pressed into a high temperature high pressure gas The gas moves through the discharge line into the condenser air or water cooled If air cooled the dis charge pressure will change with the heat load and the ambient air temperature If water cooled the discharge pressure is controlled by the amount of water flowing through the condenser which is determined by the water regulating valve After the gas is coo
28. fter the first 30 of freezing cycle forces the water to the top of the evap orator where it is distributed through a water tube and WATER SPRAY TUBE then cascades down the evaporator surface by gravi ly As it flows accross the refrigerated evaporator some of the water will be chilled enough to change form turn to ice and stay frozen onto the evaporator cells Most of the water returns to the reservoir to be sucked back into the pump and repumped over the evaporator PURGE VALVE WATER INLET VALVE 16 WATER LEVEL SENSOR HARVEST DEFROST CYCLE CENA RORAIOHa 5 0 A ol O_O o EXCHANGER 59 2 T CASN SS o SK o EXPANSION VALVE 5 Q HOT GAS SOLENOID VALVE o NS o COMPRESSOR AIR OR WATER STRAINER CONDENSER Xo N DRIER RECEIVER WATER COOLED Il HIGH PRESSURE VAPOR HIGH PRESSURE LIQUID LOW PRESSURE LIQUID LOW PRESSURE VAPOR REFRIGERATION SYSTEM SCHEMATIC REFRIGERATION SYSTEM DURING HARVEST The refrigeration system performs the harvest of ice by use of a hot gas bypass valve When the time comes to de ice the evaporators the hot gas valve is ener gized and the high temperature high pressure gas bypasses the condenser and is allowed directly into the evaporator The
29. high pressure gas is cooled by the cold evaporator so it condenses into a liquid giving up its heat as it does so This heat warms the evaporator and the ice frozen onto the evaporator surface melts releasing the frozen cubes Ice then falls into the stor age bin pushed out by means of the harvest assist solenoid The liquid refrigerant goes through the suction line into the heat exchanger where it boils off so that only refrigerant vapor is drawn into the suction tube of the compressor WATER SYSTEM During the harvest cycle the electric water drain valve is energized thereby opening the drain line Most of the water remained in the reservoir at the end of freezing cycle is pumped out to the waste through the water solenoid and drain line during the first part of the defrost cycle eliminating any possible build up and accumulation of minerals concentration and impurities in the water reservoir When the released ice cubes drop into the bin they open up for a while the bottom end of plastic deflector This deflector swinging motion is enough to reset the contact of the magnetic switch which via electronic control board moves back the unit to a new freezing cycle The harvest cycle lasts about 1 5 minutes CONTROL SEQUENCE At the start of the freezing cycle the contacts of the magnetic switch mechanically operated by the actua tor plate of the deflector cover are closed thereby via electronic control board closing the
30. led in the condenser giving up much of its heat the gas condenses into a high pres sure liquid This liquid travels through the liquid line to the metering device a thermostatic expansion valve The thermostatic expansion valve meters how much liquid refrigerant is to be allowed into the evaporator section of the refrigeration system This is determined by the temperature of the TXV sensing bulb located on the suction line manifold at the outlet of the evaporator If the bulb senses a warm suction line more refriger ant is allowed into the evaporator common at the beginning of the freeze cycle and when the tempera ture begins to fall less refrigerant is allowed through This is why the suction side gauge pressure will decline throughout the freeze cycle At the evaporator the liquid refrigerant released from high pressure boils off in the low pressure environment and absorbs heat thus cooling the evaporator surface and anything near it such as water The low pressure refrigerant vapor then is forced through the heat exchanger where any excess liquid refrigerant boils off allowing only refrigerant vapor to enter the compressor suction tube where it is recom pressed into high pressure high temperature gas again and the cycle repeats WATER SYSTEM A combination of a solenoid water inlet valve with a water level sensor is used to control the level of the water into the reservoir sump A pump running continuously a
31. lus scale build up on parts in the water system Heavily chlorinated water can be controlled using char coal or carbon filters DRAINS AIR COOLED MODELS There is one 20 mm dia sump drain fitting at the back of the cabinet Insulations in high humidity areas is recommended The ideal drain receptacle would be a trapped and vented floor drain WATER COOLED MODELS Besides the above drain a separate condenser drain must be run Connect it to the 3 4 gas condenser drain connec tion at the back of the cabinet STORAGE BIN A separate gravity type drain needs to be run similar to the air cooled sump drain Insulation of this drain line is recommended FOR THE ELECTRICIAN ELECTRICAL CONNECTIONS The unit come equipped with an electrical cord for power supply The lead wires must be connected to an electrical plug that corresponds to the local electrical codes and requirements or to a separate two poles disconnect box with opening to the contacts of about 3 millimeters The disconnect box shoulds be placed close to the selected ice maker location to be easily and prompt reached Undersized wiring or unproperly installed electrical cir cuit will result in major problems and malfunctions Voltage variations shoud not exceed ten percent IMPORTANT plumbing and electrical con nections must be made by licensed plumbers and electricians this one must follow the elec trical specifications printed on the ice maker name
32. ng off of the machine at STORAGE BIN FULL gized too blinking fast for 40 seconds NOTE The models N 502 is equipped with a com pressor crankcase heater and a Start up Delay PC Board set up at 90 minutes During the first 90 minutes only the compressor crankcase heater is energized warning up the compressor 3 During the Start Up cycle the components in oper ation are Hot gas valve Water Drain Valve Water Pump Harvest assist solenoid pusher FREEZING CYCLE 1 After the Start Up cycle the machine enters direct ly into the Freezing cycle with the following com ponents energized Water Inlet valve Compressor Fan motor in continuous operation for the first 3 minutes 2 The LED energized are Machine under power Machine in operation steady mem The machine remains in the freezing cycle with the ice that become thicker till the two metal plates of the Ice Thickness Sensor are covered by the water cascading through the front surface of the ice plate When the Power is transmitted back to the PC Board continuously through the metal plates of the Ice Thickness Sensor for more then 6 the machine enters in the Pre Harvest or directly into the Harvest Cycle mode according to FAN MOTOR IN ON OFF MODE DURING THE PREVIOUS FREEZING CYCLE RISE UP THE CUT IN TEMPERATURE OF THE CONDENSER SENSOR TO 38 FAN MOTOR OFF AND EXTEND THE LENGTH OF FREEZ ING CYCLE BY 30
33. odular cuber performing at its maximum capacity it is necessary to perform periodic maintenance as outlined on the last pages of this manual Cubes per harvest 234 Full 468 Half With water at 15 t air 32 t water 21 SPECIFICATIONS MODULAR CUBER N 302M meme paese ma own KS201 301 i 3 mm D201 7 STANDARD HALF DICE 7 AIR COOLED m Water drain 020 Potable water inlet 3 4 GAS WATER COOLED At Dilel ro E e AIR COOLED WATER COOLED i i e gt jo i Water cooled inlet 3 4 GAS Water cooled outlet 3 4 GAS att
34. plate 12 NOTE All ICEMATIC Cubers require a neutral wire and a solid earth ground wire to prevent pos sible severe Electrical Shock Injury to individuals or extensive damage to equipments FINAL CHECK LIST 1 Is the cabinet bin level 2 ls the cuber in a location where ambient tempera tures are a minimum of 10 C 50 degrees F all year around and to not exceed a maximum of 40 100 F 3 15 there at least a 15 cm clearance behind and around the cabinet for all connections and for prop er air circulation 4 Have all electrical and piping connections been made 5 Has the electrical power supply wiring been prop erly connected and the voltage tested and checked against the nameplate rating Has the unit proper ly grounded 6 15 the water supply line shutoff valve installed and opened and has the inlet water supply pressure been checked to insure a minimum of 1 bar with out exceeding a maximum of 5 bar 7 Have the compressor holddown bolts been checked to be sure the compressor is snug on the mounting pads 8 Check all refrigerant lines and conduit lines to gard against vibration and possible failure 9 Has the cuber and the bin been wiped clean with clean damp cloths 10 Has the owner user been given the User Manual and instructed on how to operate the icemaker and the importance of periodic maintenance 11 Has the owner user been given the name and tele phone number o
35. r temperature probe P Fan Motor only AIR cooled unit H Led card Q Fan Motor only WATER cooled unit Electronic card RC Compressor relay J Max pressure switch CS Start condenser K Automatic reset switch CM Run condenser 25 26 Wiring Diagram N502M 400V 50Hz 3ph brown light blue yellow green white black red orange viola lt 0 m b g b n r a v POMPA COMPRESSORE SBRINAMENTO SENS SENS MICRO SONDA GHIACCIO COND i 5 x Sa 5 g 5 z 5 LL 2 Ew rd lt GY Input terminal board B Compressor remote control switch Compressor Ice sensor End defrosting switch Water level sensor Condenser temperature probe Led card Electronic card Max pressure switch Automatic reset switch Water pump Water inlet valve Water discharge valve Hot gas valve Solenoid harv assist Fan Motor 1 only AIR cooled unit Fan Motor 2 only AIR cooled unit Cranckase heater Start delay electronic board 0 cFZOISIZ DOIMLLTT3 11 ssp OPA 9242433559 oN 32409 OVWIJISVO 6 8 z 9 S F 2 T 02711973 VW3H2S rums JIJIA ISI YWIS v 009 047 FAV
36. termines the distance between the sensor reeds and the egg crate evap orator thus keeping the ice cube at a proper thick ness NOTE This type of machine produce an ICE PLATE that breaks when falls down into the stor age bin Setting the ice thickness sensor in order to have single ice cubes may cause malfunc tion of the machine 6 Observe second and third cube harvest Check if size and shape combination is correct In areas where extreme problem water conditions exist filtering or purifyng equipment is recom mended NOTE If water used is too soft demineralized the ice thickness sensor might not be able to sense the water on its reeds there by it will not switch the unit on harvest cycle A safety system built in the P C Board switches the unit on harvest cycle whenever the freezing period gets longer then 30 or 40 minutes NOTE To assure a correct operation of the machine the water must have a minimum electri cal conductivity of 20 us Check operation of magnetic switch controlling it by keeping open the bottom end of plastic deflec tor for more than 30 seconds The machine must switch off at storage bin full Release the plastic deflector The machine should restart in the freezing cycle mode within few sec onds going through a 3 minutes delay time Place again all cabinet panels and screws previ ously removed Thoroughly explain to owner user the significant specifications o
37. ting screw located on top of the valve can INCREASE or DECREASE the water flow through the watercooled Condenser which in turn will DECREASE or INREASE the Compressor operating head pressure 10 Water Distribution System The Water Distribution System function to eventy sup ply water to all cells of the evaporator plate The water pump pumps water from the sump to the tee From there water is channeled through the vertical tygon tube to the water distributors above the evapo rator plate and from the holes in the distributor tube water flows to the cells on one side of the evaporator plate Gravity flow returns the unfrozen excess portion of water to the sump reservoir for recirculation 11 Water Drain Solenoid Valve The Water Outlet Solenoid Valve functions in conjunc tion with the water pump to flush out the sump assem bly at the beginning first 40 of every harvest cycle This action cleans up and rinses the sump during each harvest cycle preventing dangerous water minerales concentration 12 Thermostatic Expansion Valve The Thermostatic Expansion Valve regulates the flow of refrigerant to the evaporator and reduces pressure of liquid refrigerant from condensing pressure to evap orating pressure 23 13 Water pump The water pump primes the water from the sump to the water distributor tube and through the distributing holes it cascades down onto the evaporator cells by gravity so to be frozen into clear ice
38. tions 21 SAO 22 SERVICE SPECIFICATIONS COmponen 23 peratingicharaetenistics aaa e i eraai arra ae LT 23 COMPONENT DESCRIPTION componentidescription 24 WIRING DIAGRAM 202 302 402 502 air water cooled E peec 28 N 402 502 air water 2 29 SERVICE DIAGNOSIS Service diagnosis 5 me 30 MAINTENANCE amp CLEANING INSTRUCTION DE LUE IT 31 Ice Storage DIT 31 Cabinet erxterlor eerte a 31 Cleaning Icemaker esses entere nnns 31 32 SPECIFICATIONS MODULAR CUBER N 132M N202M N302M N202M N302N 18 201 301 23 1 N202M N302M Liscia S lt lt 26 26 STANDARD HALF DICE 620 AIR COOLED Water Drain 20 mm Potable Water Inlet 3 4 Cord Set WATER COOLED Water Condenser Inlet Water Condenser Outlet Model Cond unit Finish Comp HP 10 usi E Stainless Steel 7 8 Model amps amps ats N ofwires Fuse y 220 2405
39. vaporator 3 5 mm Once ice is formed into each mold and is thick enough to fill up that minimum clearance existing between the two sensor reeds and the evaporator the water that cascades over the ice has gradually approached to make contact between the two sensor reeds It is enough that this contact remains there for about 10 seconds that the P C Board receives the signals to put the ice machine on defrost Note indintations may be deeper on C0322 and C0330 1 8 indentation E E 1 8 3 16 e E Too Big Just Right Too Small Bridge Thickenss Measurement 5 Magnetic Switch Located in the front of the evaporator plastic curtain this switch sends a pulse to the P C Board which switches the machine back in the freezing cycle 22 6 Hot Gas Solenoid Valve The Hot Gas Solenoid Valve functions only during the Harvest Cycle to divert the hot discharge gas from the Compressor bypassing the Condendenser and ther mostatic expansion valve for direct flow to the Evaporator Platen Assembly to release ice cubes from the ice cube molds The Hot Gas Solenoid Valve is comprised of two parts the Body amp Plunger and the Coil assembles Installed in the discharge line of the Compressor the energized solenoid coil lifts the valve stem within the valve body to cause the hot discarge gas to be divert ed when the ice Thickness sensor has signalled to the P C Board to start the Harvest Cycle
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