Manual / Handbuch Spare parts list / Ersatzteilliste - WESCO-Navy
Contents
1. ADJUSTABLE FOOT i24 E me ficken 5 Eu Dimensions IP HEIGHT without legs 780 mm HEIGHT with legs 860 mm WIDTH 1250 mm DEPTH 620 mm ne TL WEIGHT 115 Kgs AC 206 CUBER machine specifications Model Cond unit Finish Comp HP bos AC 206 AS 6 Air 280 AC 206 WS 6 Water Stainless steel 1 2 50 Kg 1400 Start Electric power cons Basic electr Amps Amps Watts Kwh per 24 Hr Nr of wires Amps fuse 20 8 230 50 1 4 7 19 950 17 3 3 x 1 5 mm2 16 Cubes per harvest 72 large 102 medium 198 small A 15 C water temperature Page 11 SPECIFICATIONS ELECTRONIC CUBER MODEL AC 226 Important operating requirements MIN MAX Air temperature 10 C 40 Water temperature 5 C 35 Water pressure 1bar 5 bar Electr voltage variations from voltage rating specified on nameplate 10 10 ki it AIR COOLED MODELS WATER COOLED MODELS Kg C Kg C 148 152 144 410 10 21 148 140 21 136 144 32 d 132 2 1402. 152 600 ase 506 2 o z gt 2 5 B N 9 s 101 ADJUSTABLE FOOT un CORD SET D UJ 201 620 mm 75 6 12 16 OD OVERFLOW DRAIN 76 455 75 8 266 ss 909 20 3 GAS WATER INLET 306 scs Vi6 3 4 6 5 WATER INLET WATER COOLED UNIT ONLY 350 3 4 GAS 343 0 3 4 GAS WATER DRAIN WATER COOLED UNIT ONLY 530 2070 HEIGHT without legs 850 mm HEIGHT with legs 970 Pscotemen WIDTH 530 mm DEPTH 600 mm WEIGHT Kgs 400 66 sna AC 106 CUBER machine specifications Model Cond unit Finish Comp HP 106 AS 6 Air 136 AC 106 WS 6 Water Stainless steel 3 8 23 Kg 550 Start Electric power cons Basic electr Amps Amps Watts Kwh per 24 Hr Nr of wires Amps fuse 10 3 230 50 1 3 3 18 550 94 3 x 1 5 mm 10 Cubes per harvest 32 medium A 15 C water temperature Page 5 SPECIFICATIONS ELECTRONIC CUBER MODEL AC 126 Important operating requirements MIN Air temperature 10 40 Water temperature 5 C 35 Water pressure 1bar
3. Water Pump Timer iie Electronic Controls amp Sensors ON Evaporator Sensor Condenser Ice Level Control OFF e HARVEST Water filling portion Electrical components Loads ON Compresso ence itte E Fan Motor Air cooled only and TRIAC Hot Gas Valve Water Inlet Valve Water Drain valve Not on AC 106 P C Board Relay 1 amp 2 Coil P C Board Relay 3 Water Pump P C Board Timer id OFF Electronic Controls amp Sensors ON Evaporator Sensor Condenser Ice Level Control OFF e OPERATING CHARACTERISTICS AC 106 126 176 Freeze Cycle Average Discharge Pressure A C Average Discharge Pressure W C 10 5 9 5 bar 150 135 psig Suction Pressure End Freeze Cycle 9 58 5 bar 130 110 psig 0 0 1 bar 0 1 psig AC 206 226 Freeze Cycle Average Discharge Pressure A C Average Discharge Pressure W C Suction Pressure End Freeze Cycle 15 17 bars 220 245 psig 17 bars 245 psig 1 7 bar 24 psig Page
4. EASY FIT MODEL AIR COOLED MODEL na H2LIMS u3MOd Page 33 WIRING DIAGRAM ACS 126 176 AIR AND WATER COOLED 230 50 60 1 The unit is shown on freezing cycle YOSSAYdWOD SdWnd YOLOW INYA INYA INYA YOSNIS YOSNIS YOSNIS Nv H3lVM SV5 10H Tid GNOO dWal na T m E E g r zm i gt I z lt 4 4 T D IAA n DIAA ZAA MA OL ZOL AE u tdo T Ag 2 4 l Na Na ng oi amod 8 20 a v z 2 a 9 gt RO Qna w EE 9 0 08 LINDYID CALNIYd Me I 4Z 430l18 Q Z Led B Ting Ng g Tu EE ys m L 485 zz u x ND 001 Q Gi Qr Fur d 3 Bz 2 z mco gt gt NOLveddo ONZE 50 E z TADS HM N N gt Z Z O u Z O x x
5. The electrical components in operation on models are COMPRESSOR WATER INLET VALVE HOT GAS VALVE WATER DRAIN VALVE and the WATER PUMP on the first 15 seconds on models AC 106 AC 126 amp AC 176 and 30 seconds on models AC 206 amp AC 226 NOTE The lenght of the defrost cycle is automatically determinated by the micro processor of the P C BOARD in relation of the time necessary for the unit to reduce the evaporator temperature from OC 32 F small Red LED blinking to 15 C 5 F small Red LED ON steady TIME T2 Itis possible to extend the length of the defros cycle by changing the setting of DIP SWITC 7 and 8 as shown on table at page 32 H Check during the defrost cycle that the incoming water flows correctly into the sump reservoir in order to refill it and that the surplus overflows through the overflow drain tube I Checkthe texture of ice cubes just released They have to be in the right shape with a small depression of about 5 6 mm in their crown If not wait for the completion of the second cycle before performing any adjustment EVAPORATOR ELECTR TIMER TEMPERATURE SENSORS a lt 26 a n BIN WATER DRAIN VALVE 5 d WATER IN VALVE ELECTRONIC CARD Page 20 FIG 5 wn O EVAPORATOR wn Lu cc E rs H8 ELECTR a TIMER Lu DATA PROCESSOR WATER DRAIN VALVE J WATER IN VA
6. completed the plumbing and electrical connections perform the following Start up pro cedure A Switch the power line disconnect switch and push the green button switch Unit will start up in charging cycle mode NOTE Every time the unit returns under power after having been switched off the water inlet valve the hot gas valve and the water drain valve get energized for a period of 5 minutes thus to admit new water to the machine sump reservoir to fill it up and eventually to wash off any dirt that can have deposited in it during the unit off period Fig 1 B During the water filling operation check to see that the incoming water dribbles through the evaporator platen dribbler holes down into the sump reservoir to fill it up and also that the incoming surplus of water flows out through the overflow pipe into the drain line During the water filling phase the components energized are THE WATER INLET SOLENOID VALVE THE HOT GAS SOLENOID VALVE THE WATER DRAIN SOLENOID VALVE Not on AC 106 NOTE If in the 5 minutes lenght of the water filling phase the machine sump reservoir does not get filled with water up to the rim of the overflow pipe it is advisable to check 1 The water pressure of the water supply line that must be at least bar 14 psigMinimum Max 5 bar 70 psig 2 The filtering device installed in the water line that may reduce the water pressure below the Mini
7. m ACM106 ACM126 ACM176 ACM206 ACM226 Cea ees Manual Handbuch Spare parts list Ersatzteilliste WESCO Navy Equipment Imp Exp GmbH Zitterpappelweg 9 D 22391 Hamburg Tel 49 40 60009468 0 Fax 49 40 536 75 01 E Mail info wesco navy com www wesco navy com INDICE Table of contents Specifications AC 106 Specifications AC 126 Specifications AC 176 Specifications AC 206 Specifications AC 226 GENERAL INFORMATION AND INSTALLATION Introduction Unpacking and Inspection Location and levelling Electrical connections Water supply and drain connections Final check list Installation practice OPERATING INSTRUCTIONS Start up Operational checks OPERATING PRINCIPLES How it works Freezing cycle Harvest cycle Electrical sequence Components description ADJUSTMENT REMOVAL AND REPLACEMENT PROCEDURES Adjustment of the cube size Wiring diagram AC 106 AC 126 AC 176 AC 206 AC 226 Wiring diagram ACS 126 ACS 176 Service diagnosis MAINTENANCE AND CLEANING INSTRUCTIONS General Icemaker Clean Replace of air condenser filter Cleaning instructions of water system page Page 2 31 32 33 34 37 37 38 Page 3 SPECIFICATIONS ELECTRONIC CUBER MODEL AC 106 Important operating requirements E MIN MAX Air temperature 10 C 40 Water temperature 5 C 35 Water pressure 1bar 5 bar Electr voltage varia
8. T 128 38 2 3 2 3 a 136 x i I oa 120 a Oo 132 a Q ne m 9 12 AS Q 18 B 18 5 5 2 9 iu Q 14 A 104 m 100 z 120 96 116 92 38 112 84 108 32 27 21 15 10 C 32 27 21 15 10 C WATER TEMPERATURE WATER TEMPERATURE NOTE The daily ice making capacity is directly related to the condenser air inlet temperature water temperature conditions of the condenser air filter and age of the machine Production charts shown indicate the production of ACM models ice production of ACL and ACS models is 10 lower To keep yourCUBER at peak performance levels periodic maintenance checks must be carried out as indicated on Maintenance and Cleaning section of this manual Page 12 SPECIFICATIONS 1006 420 o O x 3 x z SSS SSS B gs ADJUSTABLE FOOT B E sp ce ae E ale 1078 Dimensions HEIGHT without legs 1006 mm HEIGHT with legs 1126 mm WIDTH 1078 mm DEPTH 715 mm WEIGHT 120 Kgs 5 um L 71 937 226 CUBER machine specifications Model Cond unit Finish Comp HP RUM ids AC 226 AS 6 Air 330 AC 226 WS 6 Water Stainless steel 1 70 Kg 1
9. 27 REFRIGERANT METERING DEVICE capillary tube REFRIGERANT CHARGE R 134 A Air cooled Water cooled 106 320 gr 11 0 oz 250 9 0 AC 126 450gr 16 00z 300 gr 10 5 oz 176 4509 16 0 oz 330 gr 12 0 REFRIGERANT CHARGE R 404 A Air cooled Water cooled AC 206 490 gr 17 400 gr 14 AC 226 620 gr 22 oz 450 gr 16 oz COMPONENTS DESCRIPTION A GREEN MASTER SWITCH PUSH BUTTON Located in the front of the machine it s used to switch ON and OFF the unit by pushing its green push button When ON its green light is ON as well B RED ALARM RE SET PUSH BUTTON Located in the front of the machine just beside the Master Switch it works in conjuction with the Cleaning Remind Board and it s activated when Consensing temperature is higher then 70 C air cooled version ON steady with machine in OFF mode Condensing temperature is higher then 60 C water cooled version steady with machine in OFF mode Condenser sensor out of order Blinking twice and repeat with machine in OFF mode Condenser air filter need to be cleaned ON steady with machine in ON mode Water system need to be cleaned blinking with machine in ON mode On the first two cases it s possible to Re Set the operation of the machine pushing and hold the Red Alarm Re Set Button by 5 till the Red Light is OFF On the third case it s necessary first to replace the condenser sensor then p
10. A OFF ON OFF ON ACL 126 W OFF ON OFF OFF ACM 176 A ON ON OFF ON ACM 176 W ON ON OFF OFF ACL 176 A ON ON OFF ON ACL 176 W ON ON OFF OFF ACS 226 A ON ON ON ON ACM 206 226 A ON ON ON ACM 206 226 W ON ON ON OFF ACL 206 A ON ON ON ON ACL 206 W ON ON ON OFF EVAPORATOR EVAPORATOR Ny 14 SPRAY OVERFLOW DRAIN LINE INLET VALVE KITS INLET VALVE EVAPORATOR OVERFLOW DRAIN LINE Page 24 EVAPORATOR COMPRESSOR INLET VALVE A Page 25 In Table B are indicated the various lengths of the timed portion of freezing cycle in relation to the different combinations of the DIP SWITCH KEYS In Table A are illustrated the DIP SWITCH keys combinations for the different models and versions as they are set in the factory The electrical components in operation during the freezing cycle are COMPRESSOR FAN MOTOR in air cooled version WATER PUMP and during the second phase of freezing cycle Time mode they are joined by the ELECTRONIC TIMER The refrigerant head pressure in the course of the freezing cycle ranges between 8 5 and 9 5 bars 110 130 psig on models AC 106 126 and AC 176 and between 15 17 bar 220 245 psi on AC 206 226 in the air cooled version being control
11. Check for refrigerant leaks C CLEAN REPLACE OF AIR CONDENSER FILTER NOTE The new AC series in the air cooled version are standard equipped with an air condenser filter as well as a Cleaning Reminder Board to remind to the end user the need for the cleaning of the air filter or of the water system Red Alarm Light ON Steady or Blinking rispectively with machine in operation 1 Withdraw the air filter from the front through the opening of the front panel 2 Blowpressurised air on the opposite direction of the condenser air flow so to remove the dust accumulated 3 If pressurised air is not available use tap water always in the counter flow air diretcion Once cleaned shake it so to remove most of the accumulated water then dry it using an hair dryer NOTE Incase the air filter strainer is damaged replace it with a new one 4 Install it again by pushing it through the front panel opening D CLEANING SANITISING INSTRUCTIONS OF WATER SYSTEM Clean sanitise the water system evaporator bin and spray jets using a solution of Ice Machine Cleaner Sanitizer NOTE Cleaning requirements vary according to the local water conditions and individual useroperation Continuous check of the clarity of ice cubes and visual inspection of the waterspraying parts before and after cleaning will indicate frequency and procedure to be followed in local areas 1 Remove the front and
12. gt Foam 2 SERVICE DIAGNOSIS Page 34 SYMPTOM POSSIBLE CAUSE SUGGESTED CORRECTION Unit will not run No warning LEDS glows Green LED Power ON glows Bin full LED glows Red alarm LED LIGHT glows Red alarm LED blinks Freezing LED Red alarm LED glows and Red alarm Light blinks twice and repeat Freezing LED Red alarm LED blinks Blown power in fuse in P C Board Main switch in OFF position Inoperative P C Board Loose electrical connections Blown power out fuse in P C Board Inoperative ice level control Inoperative P C Board High head pressure High evaporating temperature after 15 mins beginning freeze Condenser sensor out of order Evaporator sensor out of order Replace fuse amp check for cause of blown fuse Turn switch to ON position Replace P C Board Check wiring Replace fuse amp check for cause of blown fuse Clean or replace ice level control Replace P C Board Inoperative fan motor Replace Shortage of water WC Hot gas valve leak Replace it Water inlet valve leak Replace it Short of refrigerant Compressor cycles intermittently Replace it Replace it Compressor cycles intermittently Low voltage Non condensable gas in system Compressor starting device with loose wires Mechanical problem Check circuit for overloading Check voltage at the supply to the building If low contact the power compa
13. top panels to gain access either to the control box and to the evaporator 2 Make sure that all ice cubes have been released from their cups then switch OFF the machine at front master button switch 3 Scoop out all the ice cubes stored into the bin in order to prevent them from being contaminated with the cleaning solution 4 Remove the plastic cup located on the bottom of sump freezing chamber to drain out all water and scale deposits 5 Liftup and remove the curtain Page 38 6 Liftup the entire spray platen from its bottom seat and take it out to clean it separately 7 Using a bottle poor fresh water into the bottom of the sump freezing chamber to clean out most of scale deposit 8 Install again the spray platen the curtain as well as the bottom plastic cup Cleaning 9 Prepare the cleaning solution by diluting in a plastic container two liters of warm water 45 50 C with 0 2 liters of Ice Machine Cleaner WARNING The Ice Machine Cleaner contains Phosphoric and Hydroxyacetic acids These compounds are corrosive and may cause burns if swallowed DO NOT indu ce vomiting Give large amounts of water or milk Call Physician immediately In case of external contact flush with water KEEP OUT OF THE REACH OF CHILDREN 10 Remove the evaporator cover then slowly pour onto the evaporator platen the cleaning solution With the help of a brush dissolve the most resista
14. using warm water 45 50 C NOTE Never mix the cleaning with the sanitising solution 17 Followthe procedures as per cleaning from item 10 to item 13 just shorting the operation of the water pump to 10 minutes 18 Place again the evaporator cover and the unit service panels 19 At completion of the freezing and harvest cycle make sure of proper texture and clearness of the ice cubes and that they do not have any acid taste ATTENTION In case the ice cubes are cloudy white and have an acid taste melt them immediately by pouring on them some warm water This to prevent that somebody could use them 20 Wipe clean and rinse the inner surfaces of the storage bin REMEMBER To prevent the accumulation of undesirable bacteria it is necessary to sanitize every week the interior of the storage bin ee 6 EVAPORATOR 15 ELECTR e oc o eo e E lt DATA PROCESSOR BIN WI SUZ NZ NZ WATER DRAIN VALVE 5 d WATER IN VALVE ELECTRONIC CARD
15. versions of Ice Makers require two separate inlet water supplies one for the water sprayed for making the ice cubes and the other for the water cooled condenser Connect the 3 4 GAS male fitting of the water inlet using the flexible tubing or a 3 8 O D copper pipe to the cold water supply line with regular plumbing fitting and a shut off valve installed in an accessible position between the water supply line and the unit WATER DRAIN The recommended drain tube is a plastic or flexible tube with 18 mm 3 4 I D which runs to an open trapped and vented drain WATER DRAIN WATER COOLED MODELS Connect the 3 4 male fitting of the condenser water drain utilizing a second flexible hose to the open trapped and vented drain NOTE The water supply and the water drain must be installed to conform with the local code In some case a licensed plumber and or a plumbing permit is required F FINAL CHECK LIST 1 15 the unit in a room where ambient temperatures are within a minimum of 10 C BO F even in winter months 2 Is there atleast a 15 cm 6 clearance around the unit for proper air circulation 3 15 the unit level IMPORTANT 4 Have all the electrical and plumbing connections been made and is the water supply shut off valve open 5 Hasthe voltage been tested and checked against the data plate rating 6 Has the water supply pressure been checked to ensure a water pressure of at least 1 b
16. water pump solenoid valves etc FREEZING CYCLE TOO HI COND TEMP TOO HI EVAP TEMP BIN FULL POWER H LED MEANING GREEN LED ON Unit under power YELLOW BIN FULL LED ON Unit shut OFF at storage bin full YELLOW BIN FULL LED BLINKING Infrared beam break out Page 29 RED ALARM LED ON Too hi condensing temperature RED ALARM LED BLINKING Too hi evaporating temperature YELLOW FREEZING CYCLE ON Unit in freezing cycle mode YELLOW FREEZING LED AND RED ALARM LED ON Condenser sensor out of order YELLOW FREEZING LED AND RED ALARM LED BLINKING Evaporator sensor out of order l SWITCH The P C BOARD which controls the entire operation of the ice maker has a DIP SWITCH with ten switching keys which allow to set up the micro processor program in order to extend orto shorten the length of freezing cycle in relation to the different model and versions of ice machines The DIP SWITCH first four keys setting determines the length of the 2nd phase of freezing cycle controlled by the electronic timer as detailed in the table B The DIP SWITCH keys 5 amp 6 settindetermines the length of the defrost cycle according to the size of the cubes Large or Medium as per the following setting ON ON PROGRAMA ON OFF PROGRAM B OFF OFF PROGRAM C OFF ON PROGRAM D LENGTH OF HARVEST CYCLE ACCORDING TO THE TIME TO DROP THE EVAP TEMPERATURE FROM 0 C TO 15 C DIP SWITCH 7 and 8 allow the ext
17. 307 12 1330 M cancel the time stored into the PC Board by 105 1030 20 490 6 1990415 2 4 pushing and hold for more then 20 the Red 90 gt 12 gt 15 gt 4 Alarm Re Set Button till it starts to blink LENGTH OF TIMED PORTION OF FREEZING CYCLE ACCORDING TO THE DIP SWITCH SETTING COMBINATIONS 1 2 3 4 1 2 3 4 1 Q Ee m e 25 min 8 m CE ON u 2 w 23 rin OFF a 9 min N BEEN ON a ay 5 rin 10 wm Zins 4 b EN mim 19 min 11 an mE 5 min ee 17111 12 ON o m 777 ON 4 ON i G OF mam Jer muro 13 TN ON at i T oF eS 19 min M CONDENSER AIR FILTER Air cooled version Located in front of the air cooled condenser can beremoved by withdrawing it through the opening of the front panel for cleaning or replacing A lower plastic guide installed inside the unit is used for the correct sliding and location of the air filter N WATER SPRAY SYSTEM Throughits nozzles the water pumped is sprayed in each individual cup to be frozen into ice It consists of one spray tube wheve are located several spray nozzles O WATER PUMP 2 PCS ACS 126 176 The water pump operates continually throughout the freezing cycle and on the first 15 or 30 seconds of the defrost cycle so to such the remaining water from the sump tank reach in mineral s
18. 5 bar Electr voltage variations from voltage rating specified on nameplate 10 10 k it AIR COOLED MODELS WATER COOLED MODELS Kg Kg C 75 75 10 10 g 21 W g 70 70 Y ul a 32 65 x 65 38 a 2 o u x lt c a 60 32 ul 60 a 2 5 E a S ss u 55 5 Q 38 m x i ui X s 50 g a E o z a lt 45 lt 45 32 27 21 15 10 C 32 27 21 15 10 WATER TEMPERATURE WATER TEMPERATURE NOTE With the unit in built in conditions the ice production is gradually reduced in respect to the levels shown in the graf up to a maximum of 10 at room temperatures higher than 32 The daily ice making capacity is directly related to the condenser air inlet temperature water temperature conditions of the condenser air filter and age of the machine To keep your CUBER at peak performance levels periodic maintenance checks must be carried out as indicated on Maintenance and Cleaning section of this manual Page 6 SPECIFICATIONS 930 MIN FOR UTILITY CONNECTIONS m ekg 8 RE EIE P 2592 00 OVERFLOW DRAN ADJUSTABLE FOOT ud coe ser 3 4 GAS 381 3 4 GAS WATER LJ 520 ssas QU7 3 4 GAS WATER OUTLET WATER COOLED UNIT ONLY 580 svecas 4 WATER W
19. 800 Start Electric power cons Basic electr Amps Amps Watts Kwh per 24 Hr Nr of wires Amps fuse 24 2 230 50 1 5 2 29 1180 192 3x1 5 mm 16 Cubes per harvest 72 large 102 medium 198 small A 15 C water temperature Page 13 GENERAL INFORMATION AND INSTALLATION A INTRODUCTION This manual provides the specifications and the step by step procedures for the installation start up and operation maintenance and cleaning for the AC series icemakers These Cubers are quality designed engineered and manufactured Their ice making systems are thoroughly tested providing the utmost in flexibility to fit the needs of a particular user These icemakers have been engineered to our own rigid safety and performance standards NOTE To retain the safety and performance built into this icemaker it is important that installation and maintenance be conducted in the manner outlined in this manual B UNPACKING AND INSPECTION 1 Callyour authorized Distributor or Dealer for proper installation 2 Visually inspect the exterior of the packing and skid Any severe damage noted should be reported to the delivering carrier and a concealed damage claim form filled in subjet to inspection of the contents with the carrier s representative present 3 and remove the plastic strip securing the carton box to the skid b Cut open the top of the carton and remove the polystyre pr
20. ATER COOLED UNT ONLY 680 Ca Dimensions HEIGHT without legs 930 mm HEIGHT with legs 1050 mm WIDTH 680 mm DEPTH 600 mm WEIGHT 75 Kgs AC 126 CUBER machine specifications Model Cond unit Finish Comp HP ToU ae ea AC 126 AS 6 Air 190 AC 126 WS 6 Water Stainless steel 1 2 39 Kg 750 Start Electric power cons Basic electr Amps Amps Watts Kwh per 24 Hr Nr of wires Amps fuse 14 230 50 1 4 19 600 11 8 3 x 1 5 mm 10 Cubes per harvest 48 medium A 15 C water temperature Page 7 SPECIFICATIONS ELECTRONIC CUBER MODEL AC 176 Important operating requirements MIN MAX Air temperature 10 C 40 C Water temperature 5 C 35 Water pressure 1bar 5 bar Electr voltage variations from voltage rating specified on nameplate 10 10 a k t AIR COOLED MODELS WATER COOLED MODELS Kg sg Kg C 84 10 86 0 82 84 80 82 Wa x E x 5 A 78 a 80 a p 76 78 a 74 2 a 76 72 74 2 E o 38 x 68 A amp x 70 3 m m s gt 64 lt E 66 lt 62 64 60 62 58 60 56 58 32 27 21 15 10 C 32 27 21 15 10 C WATER TEMPERATURE WATER TEMPERATURE NOTE With the unit in built in conditions the ice product
21. CIFICATIONS ELECTRONIC CUBER MODEL AC 206 Important operating requirements MIN MAX Air temperature 10 40 Water temperature 5 C 35 Water pressure 1bar 5 bar Electr voltage variations from voltage rating specified on nameplate 10 10 ice making capacit AIR COOLED MODELS WATER COOLED MODELS Kg C 138 136 134 132 130 5 128 2 2 126 124 P 5 3 B 3 ui 120 A a a 118 a a m 116 a 5 m 5 114 s a a 2 112 2 x wi x m 110 m 108 z kasi 106 104 102 L 100 98 96 WATER TEMPERATURE WATER TEMPERATURE NOTE The daily ice making capacity is directly related to the condenser air inlet temperature water temperature conditions of the condenser air filter and age of the machine Production charts shown indicate the production of ACM models ice production of ACL and ACS models is 10 lower To keep yourCUBER at peak performance levels periodic maintenance checks must be carried out as indicated on Maintenance and Cleaning section of this manual Page 10 SPECIFICATIONS
22. D blinking to 15C 5 F small Red LED ON steady Itis possible to extend the length of the defrost cycle by changing the setting of DIP SWITCH 7 and 8 as shown on table at page 32 The electrical components in operation during this phase are COMPRESSOR WATER INLET VALVE HOT GAS VALVE WATER DRAIN VALVE and the WATER PUMP on the first 15 seconds AC 106 AC 126 AC 176 or 30 seconds AC 206 226 only The incoming water passing through the water inlet valve and the flow control runs over the evaporator platen and then flows by gravity through the dribbler holes down into the sump reservoir Fig F and H The water filling the sump reservoir forces part of the surplus water from the previous freezing cycle to go out to the waste through the overflow pipe This overflow limits the level of the sump water which will be used to produce the next batch of ice cubes Meanwhile the refrigerant as hot gas discharged from the compressor flows through the hot gas valve directly into the evaporator serpentine by passing the condenser The hot gas circulating into the serpentine of the evaporator warms up the copper molds causing the defrost of the ice cubes The ice cubes released from the cups drop by gravity onto a slanted cube chute then through a curtained opening they fall into the storage bin At the end of the defrost cycle the hot gas valve the water inlet valve and the water drain valve close and the m
23. E INCENTER OF CUBES THICK BULGE SOLID ICE Page 32 WIRING DIAGRAM AC 106 126 176 206 226 AIR AND WATER COOLED 230 50 60 1 The unit is shown on freezing cycle MOSS3udWOO JAVA NOD INVA ANWA 3ATVA YOSNAS YOSNAS YILYM YILYM 3OWVHOSIO YILYM LIINI ULV SV9 LOH GNOD hd n8 2 2 2 2 T yy X4 ovi x TNI SAA HO PIAA CAA z z Bi 195 E 9 im 2 S 1 i M90T TAGOW AINO TdS EAA T N8 i i 9 Z 90Z 9ZT 9ZT STAGOW AINO 0 5 9 u 2 z HM Wel ve Qv so g r 1 4 QUVOG NIV LINOYIO O3lNINd X 90 i 17 mine 59 posl Q ILYS EI L 8r H 001 Gu pw Os w E dude 5 z 4 nouina Nouveado 50 1425 HM amp ab 659 rz2ri
24. LVE ELECTRONIC CARD If the ice cubes are shallow and cloudy it is possible that the ice maker runs short of water during the freezing cycle second phase or the quality of the supplied water requires the use of an appropriate water filter or conditioner J be sure of the correct operation of ice level control device place one hand between its sensing eyes to interrupt the light beam during the defrost cycle only The Bin Full YELLOW LED starts to blink Fig 6 and when the defrost cycle is over the unit stops with the simultaneous glowing of thesame LED to monitor the BIN FULL situation Fig 6a NOTE The Ice Level Control stops the operation of the machine at BIN FULL ONLY at the end of the defrost harvest cycle Take the hand out from the ice level control sensors to allow the resumption of the light beam After approximately 6 seconds the ice maker resume its operation with the immediate glowing of the FIRST YELLOW LED indicating UNIT IN OPERATION and the extinguishing of the BIN FULL YELLOW LED NOTE The ICE LEVEL CONTROL INFRARED SYSTEM is independent of the temperature however the reliability of its detection can be affected by external light radiations or by any sort of dirt and scale sediment which may deposit directly on the light source and on the receiver To prevent any possible ice maker malfunction due to negative affection of the light detector it is advisable t
25. NS A GENERAL The periods and the procedures for maintenance and cleaning are given as guides and are not to be construed as absolute or invariable Cleaning especially will vary depending upon local water and ambient conditions and the ice volume produced and each icemaker must be maintened individually in accordance with its particular location requirements B ICEMAKER The following maintenance should be scheduled at least two times per year on these icemakers 1 Check and clean the water line strainer 2 Check that the icemaker is levelled in side to side and in front to rear directions 3 Check for water leaks and tighten drain line connections Pour water down bin drain line to be sure that drain line is open and clear 4 Check size condition and texture of ice cubes Perform adjustment of cube size control as required 5 Check the ice level control sensor to test shut off Put your hand between the light source and the receiver so to cut off the light beam for at least one minutes This should cause the ice maker to shut off and the light up of the 2nd LED yellow light NOTE Within few seconds after the removal of the hand from the Infrared sensing light the icemaker restarts in freezing cycle The ice level control uses devices that sense light therefore they must be kept clean enough so they can see Every month clean wipe the sensing eyes with a clean soft cloth 6
26. achine starts again a new freezing cycle OPERATION CONTROL SEQUENCE At the start of freezing cycle the evaporator temperature sensor controls the length of the first partof the freezing cycle As it reaches a predeter mined temperature it supplies a low voltage current to the P C BOARD in order to activate the electronic timer which takes over the control of the freezing cycle for a pre fixed time according to the DIP SWITCH keys setting see Tab B NOTE The evaporator temperature sensor factory pre set is the same for all the models and is not adjustable in the field Once completed the timed portion of the freezing cycle the system goes automatically into the defrost cycle which has also a pre fixed length At completion of the defrost cycle the P C BOARD command the unit to start again a new freezing cycle OPERATION ELECTRICAL SEQUENCE The following charts illustrate which switches and which components are ON or OFF during a particular phase of the icemaking cycle Refer to the wiring diagram for a reference BEGINNING FREEZE Electrical components Loads ON OFF Compressor Fan Motor Air cooled only and TRIAC Hot Gas Water Inlet Valve Water Drain Valve Not on AC 106 P C Board Relay 1 Coil P C Board Re
27. alts and drain it out During the freezing cycle the pump primes the water from the sump tothe spray system and through the spray nozzles sprays it into the inverted cup molds to be frozen into crystal clear ice cubes It is recommended that the pump motor bearings be checked at least every six months P WATER INLET SOLENOID VALVE 3 4 MALE FITTING The water inlet solenoid valve is activated by the micro processor of the P C BOARD during the first 5 minutes of water filling phase as well as during the defrost cycle When energized it allows ametered amount of incoming water to flow over the evaporator cavity to assist the hot gas in defrosting the ice cubes The water running over the evaporator cavity drops by gravity through the dribbler holes of the platen into the sump reservoir where it will be sucked by the water pump and primed to the spray system Q WATER INLET SOLENOID VALVE 3 4 MALE FITTING AC 106 water cooled version only A special water inlet solenoid valve with one inlet and two outles one for condenser and the second for the production of ice is used on water cooled version An automatic hi pressure control activates the second coil of the water inlet solenoid valve so to supply a metered amount of water to the condenser and drop down its temperature and pressure HOT GAS SOLENOID VALVE The hot gas solenoid valve consists basically in two parts the valve body and the valve coil Located on the hot g
28. ar 14 psi 7 Check all refrigerant lines and conduit lines to guard against vibrations and possible failure Page 15 8 bolts holding the compressor down been checked to ensure that the compressor is snugly fitted onto the mounting pads 9 Have the bin liner and cabinet been wiped clean 10 Has the owner user been given the User Manual and been instructed on the importance of periodic maintenance checks 11 Has the Manufacturer s registration card been filled in properly Check for correct model and serial number against the serial plate and mail the registration card to the factory 12 Has the owner been given the name and the phone number of the authorized Service Agency serving him G INSTALLATION PRACTICE At Aii A Kii Hand shut off valve Water filter Water supply line flexible hose 3 4 male fitting Vented drain Open trapped vented drain Drain fitting Main switch Power line NOaARWN gt 90 F WARNING This icemaker is not designed for outdoor installation and will not function in ambient temperatures below 10 C 50 F or above 40 C 100 F This icemaker will malfunction with water temperatures below 5 C 40 F or above 35 C Le Page 16 OPERATING INSTRUCTIONS START UP After having correctly installed the ice maker and
29. as line this valve is energized through the micro processor of P C BOARD Page 30 during the defrost cycle as well as during the water filling phase During the defrost cycle the hot gas valve coil is activated so to attract the hot gas valve piston in order to give way to the hot gas discharged from compressor to flow directly into the evaporator serpentine to defrost the formed ice cubes S FAN MOTOR Air cooled version The fan motor is controlled through the P C BOARD and the TRIAC by the condenser tem perature sensor Normally it operates only during the freezing cycle to draw cooling air through the condenser fins In the second part of the freezing cycle the fan motor can run at intermittance as the condenser pressure must be kept between two corresponding head pressure values T COMPRESSOR The hermetic compressor is the heart of the refrigerant system and it is used to circulate and retrieve the refrigerant throughout the entire system It compresses the low pressure refrigerant vapor causing its temperature to rise and become high pressure hot vapor which is then released through the discharge valve U HI PRESSURE CONTROL AC 106 water cooled version only Used only on the water cooled versions it operates to keep between 9 5 and 10 5 bars 135 150 psig the hi side or discharge pressure of the refrigerant system by energizing the coil of the water inlet solenoid valve that control the cooling water flow to t
30. d by the heat exchange with the refrigerant flowing into the evaporator serpentine During the freezing process the evaporator temperature falls to 0 C Red Led blinking as per Fig 4 and then to f amp Red Led ON steady as per Fig 4a When it reaches 15 C the evaporator temperature sensor supplies alow voltage power signal to the electronic control device P C BOARD in order to activate an electronic timer This one takes over the control of the freezing cycle up to the complete formation of the ice cubes NOTE The lenght of the entire freezing cycle is governed by the evaporator tempe rature sensor which has its probe placed in contact with the evaporator serpentine Non adjustable in combination with the electronic timer Adjustable incorporated in the P C BOARD The timer adjustment is factory set in consideration of the ice maker type cooling version and ice cube size Small Medium Large It is possible however to modify the timed lenght of the freezing cycle by changing the DIP SWITCH keys setting In Table B of PRINCIPLE OF OPERATION are shown the various time extensions of the freezing cycle second phase in relation with the different DIP SWITCH keys setting G Afterabout 17 20 minutes from the begin ning of the freezing cycle in an hypothetic ambient temperature of 2C the defrost cycle takes place with the hot gas the water inlet and the water drain valves simoultaneously activated Fig 5
31. e cube size problem exists If the cubes are shallow size Indentation is too deep probably the length of the second phase of the freezing cycle is too short so to extend such length you have to 1 Locate the DIP SWITCH on the front of the P C Board 2 Takenote of the combination of the first four DIP SWITCH KEYS and check the corrisponding length of freezing cycle 2nd phase on Table B 3 Set the same DIP SWITCH KEYS to correspond to the prior combination shown on Table B which allow an extention of two more minutes of the length of the freezing cycle 4 Observe the ice cubes in the next two harvests and eventually repeat steps 2 and 3 above until proper ice cubes size is achieved See figure ll Ifthe cubes are oversize size Indentation is too full probably the length of the second phase of the freezing cycle is too long To shorten such length you have to 1 Locate the DIP SWITCH on the front of the P C Board 2 Takenote of the combination of the first four DIP SWITCH KEYS and check the corrisponding length of freezing cycle 2nd phase on Table B 3 Set the same DIP SWITCH KEYS to correspond to the next combination shown on Table B which allow a reduction of two minutes of the length of the freezing cycle 4 Observe the ice cubes in the next two harvests and eventually repeat steps 2 and 3 above until proper ice cubes size is achieved See figure SMALL IDENTATION LITTLE OR NO IC
32. eaches the condenser where being cooled down condenses into liquid Flowing into the liquid line it passes through the drier filter then it goes all the way through the capillary tube where due to the heat exchanging action it looses some of its heat content so that its pressure and temperature are lowered as well Next the refrigerant enters into the evaporator serpentine which has a larger I D then the capillary and starts to boil off this reaction is emphasized by the heat transferred by the sprayed water The refrigerant then increases in volume and changes entirely into vapor The vapor refrigerant then passes through the suction accumulator used to prevent that any small amount of liquid refrigerant may reach the compressor and through the suction line In both the accumulator and the suction line it exchanges heat with the refrigerant flowing into the capillary tube warmer before to be sucked in the compressor and to be recirculated as hot compressed refrigerant gas The freezing cycle is controlled by the evaporator temperature sensor which has its probe in contact with the evaporator serpentine that determines the length of its first portion of the cycle When the temperature of the evaporator serpentine drops to a pre set value small Red LED ON steady the evaporator sensor probe changes its electrical resistance allowing a low voltage current 15 volts to flow to the P C BOARD which in turn activates an elec
33. ention ofthe length of the harvest defrost cycle according to their combination as per following chart DIP SWITCH ADDITIONAL DEFROST TIME 7 8 ON ON 0 OFF ON 30 ON OFF 60 OFF OFF 90 The 9th keyis used to supply power to the water pump for the first15 seconds of the defrost cycle position OFF or for the first 30 seconds position ON The 10th key is used to modify the CUT OUT condensing temperature from 70 C 160 F for the air cooled versions ON position to 60 C 140 F OFF position for the water cooled versions L EXTERNAL SWITCHES SOCKET Connected to the external Green Master and Red Alarm Reset Switches it receives power from the Master Switch as well as it provides power to the Red Alarm switch in order to signal any possible uncorrect operation condition of the machine as clogged air filter air cooled version only or short missing of condensing water water cooled LENGTH PROGRAMS version as detailed at item B HARVEST Itsignal also the time for the cleaning of the water CYCLE A B C D system of the machine cleaning that can be 180 Upto6 30 Di Up to 9 30 XXXX change according to the local water conditions 165 6 30 7 Up to 3 9307 10 XXXX from six month standard Jump In to twelve 150 7 8 3 315 107 11 XXX months Jump Out 138 8 3157 30 1742 XXXX Once cleaned the water system it s necessary to 120 94030 2330 4
34. he condenser V WATER REGULATING VALVE Not on AC 106 Water cooled version This valve controls the head pressure in the refrigerant system by regulating the flow of water going to the condenser As pressure increases the water regulating val ve opens to increase the flow of cooling water W WATER DRAIN SOLENOID VALVE Not on AC 106 The water drain solenoid valve electrically connected in parallel to the water inlet and to the hot gas solenoid valves is energized for all the length of the defrost cycle By means of the water pump that remains energized for 15 seconds at the beginning of the defrost cycle it allows the drain out of all remaining water rich of minerals deposited during the previous freezing cycle from the sump tank By doing so it allows to the ice maker to make every new freezing cycle with new fresh water avoiding thereby the accumulation of sediments and scales which soon or later will cause the partial or total clogging of the water system on the unit Page 31 ADJUSTMENT PROCEDURES A ADJUSTMENT OF THE CUBE SIZE CAUTION Before performing actual adjustment of the cube size check other possible causes for cube size problems refer to the Service Diagnosis Section for problem review and analysis Do not perform any adjustment till the icemaking system has progressed through several complete freezing and harvest cycle to observe size and quality of ice cubes and whether or not th
35. he fan motor so to cool the condenser and to reduce its temperature In case the condenser temperature rises and reaches 70 C 160 F on air cooled models or 60 C 140 F on water cooled models the current arriving to the micro processor is such to cause immediate and total stop of the machine operation E ICEBIN LEVEL LIGHT CONTROL The electronic ice bin level control located into the storage bin has the function to stop the operation of the ice machineonly at the end of the harvest cyclewhen the light beam between the light source and the sensor is interrupted by the ice cubes stored into the bin When the light beam is interrupted the Bin Full YELLOW LED starts to blink in case the light beam is constantly interrupted for more than 60 seconds the ice machine stops with the glowing up of the Bin Full YELLOW LED to monitor the situation of ice bin full at the end of the harvest cycle The 60 seconds of delay prevent that an ice Scoop movement or the ice dropping through the ice chute interrupting for a while the light beam can stop the operation of the unit Six seconds after the scoop out of the ice with the resumption of the light beam between the two infrared sensor of ice level control the ice machine restarts again with the extinguishing of the YELLOW LED F P C BOARD Data processor The P C BOARD fitted in its plastic box located in the front of the unit consists of two separated printed circ
36. ion is gradually reduced in respect to the levels shown in the graf up to a maximum of 10 at room temperatures higher than 32 The daily ice making capacity is directly related to the condenser air inlet temperature water temperature conditions of the condenser air filler and age of the machine To keep your CUBER at peak performance levels periodic maintenance checks must be carried out as indicated on Maintenance and Cleaning section of this manual Page 8 1000 120 ADJUSTABLE FOOT SPECIFICATIONS ove 228 920 ws 25 32 00 OVERFLOW DRAN 337 3576 COED SET 3 65 5 381 secas WATER 520 secas 580 4645 152 MIN FOR UTILITY CONNECTIONS 207 74 3 4 GAS WATER OUTLET WATER COOLED UNIT ONLY 243 13 4 5 5 WATER INLET WATER COOLED UNIT ONLY Dimensions HEIGHT without legs 1000 mm HEIGHT with legs 1120 mm WIDTH 680 mm DEPTH 600 mm WEIGHT 80 Kgs 176 CUBER machine specifications Model Cond unit Finish Comp HP nt AC 176 AS 6 Air 150 176 WS 6 Water Stainless steel 3 4 48 Kg 1050 Start Electric power cons Basic electr Amps Amps Watts Kwh per 24 Hr Nr of wires Amps fuse 15 230 50 1 5 6 26 760 13 5 3 x 1 5 mm 16 Cubes per harvest 48 medium A 15 C water temperature Page 9 SPE
37. lay 2 amp 3 Coil Water Pump P C B Timer 2 Elctronic Controls amp Sensors ON OFF Evaporator Sensor Condenser Ice Level Control TIMED FREEZE Electrical components Loads ON OFF Compressor a aaa Fan Motor Air cooled only and TRIAC Hot Gas Valva Water Inlet Valve Water Drain Valve Not AC 106 P C Board Relay 1 Coil P C Board Relay 2 amp 3 Coil Water Pump PG Be Timer 3 tente esito Electronic Controls amp Sensors ON OFF Evaporator Sensor Condenser Sensor e Ice Level Control Page 26 HARVEST Drain portion first 15 30 sec Electrical components Loads ON OFF Fan Motor Air cooled only and TRIAC Hot Gas 4 42 2 2 Water Inlet Valve Water Drain valve Not on AC 106 P C Board Relay 1 amp 2 Coil P C Board Relay 3 Coil
38. led by the temperature sensor probe located within the condenser fins On the air cooled version the condenser tempe rature sensor when senses a rising of the condenser temperature beyond the pre fixed limit changes its electrical resistance and transmits a low voltage power flow to the Micro Processor of P C BOARD which in turn energizes through a TRIAC the FAN MOTOR When the opposite situation occures i e the condenser temperature gets below the pre fixed limit the temperature sensor changes again its electrical resistance reducing therefore the current flow to the P C BOARD to cause the fan motor temporary cut off NOTE In case the condenser temperature probe senses that the condenser temperatu re has rised to 70 C 160 F on air cooled versions or 60 C 140 F on water cooled versions for one of the following reasons CLOGGED CONDENSER Air cooled version INSUFFICIENT FLOW OF COOLING WATER Water cooled version FAN MOTOR OUT OF OPERATION Air cooled version AMBIENT TEMPERATURE HIGHER THEN 40 C 100 F it causes the total and immediate SHUT OFF of the machine in order to prevent the unit from operating in abnormal and dangerous conditions When the ice maker stops on account of this protective device there is a simultaneous glowing of the RED LED and RED LIGHT STEADY warning the user of the Hi Temperature situation After having eliminated the source of the condenser hi temperature to
39. maker with the consequent light up of the RED WARNING LED Fig 3 as well as the Red Alarm Light ON Steady After having diagnosed the reason of the rise of temperature and removed its cause it is necessary to Switch OFF wait few seconds and Switch ON the unit thus to put the machine in condition to initiate a new freezing cycle The machine restarts with the usual 5 minutes water filling phase in order to provide enough water into the sump tank EVAPORATOR ELECTR TIMER TEM PERATURE SENSORS BIN lt EH a WATER DRAIN VALVE 5 d WATER IN VALVE ELECTRONIC CARD Page 18 o WATER DRAIN VALVE Q O E ELECTR TIMER TEM PERATURE SENSORS lt 3t ELECTRONIC CARD E Check to see through the ice discharge interior of the inverted mold cups also make sure opening that the spray system is correctly seated thatthe plastic curtain is hanging freely and there and that the water jets uniformely reach the is not excessive water spilling through it WATER DRAIN VALVE EVAPORATOR CONDENSER ELECTR TIMER TEMPERATURE SENSORS DATA PROCESSOR BIN d COMPRESSOR PE P Sk WATER PUMP ELECTRONIC CARD Page 19 F making process takes place thereby with the water sprayed into the molds that gets gradually refrigerate
40. mum value of 1 bar 14 psig 3 Any clogging situation in the water circuit like the inlet water strainer and or the flow control EVAPORATOR ELECTR TIMER TEMPERATURE SENSORS BIN a lt lt a n WATER DRAIN VALVE 5 d WATER IN VALVE ELECTRONIC CARD Page 17 C At completion of the water filling phase 5 minutes the unit passes automatically into the freezing cycle with the start up of COMPRESSOR WATER PUMP FAN MOTOR in air cooled version controlled by the condensing temperature sensor located within the condenser fins Fig 2 OPERATIONAL CHECKS D Install if required the refrigerant service gauges on both the high side and low side Scraeder valves to check the compressor head and suction pressures NOTE On air cooled models the condenser temperature sensor which is located within the condenser fins keep the head condensing pressure between 8 5 and 9 5 bar 110 130 psig on model AC 106 AC 126 andAC 176 and between 15 17 bar 220 245 psi on AC 206 and AC 226 Incase of air condenser filter clogged such to prevent the proper flow of the cooling air or in case the fan motor is out of operation or shortage of water in the water cooled condenser the condenser temperature rises and when it reaches 70 C 160 F for air cooled version or 60 C 140 F for water cooled version the condenser temperature sensor shuts off the ice
41. nt and remote scale deposits in the platen 11 Switch ON again the machine at front master button switch then push the PC BOARD PUSH Page 39 BUTTON for more then 2 and less of 5 to put the machine in cleaning mode NOTE With the system in CLEANING RINSING mode the water pump is the only component in operation to circulate the cleaning solution in the entire water system while the three leds of the PC Board are blinking Fig 8 12 Let the unit to remaininthe CLEANING mode for about 20 minutes then unplug again the machine NOTE The amount of Cleaner and the time needed for the cleaning of water system depends of the water conditions 13 Switch OFF the ice maker at master button switch then flush out the cleaning solution from the sump reservoir by taking off the sump plastic cup Once flushed out install again the sump plastic cup 14 Pour onto the evaporator cavity two or three liters of clean potable water to rinse the mold cups and the platen 15 Switch ON again the machine The water pump is again in operation to circulate the water in order to rinse the entire water system Do the operation as per steps 13 and 14 twice so to be sure no more traces of descaling solution remains into the sump Sanitation NOTE Sanitation of the water system is recommended to be done once a month 16 Prepare in a plastic container the sanitation solution as per manufacturer dilution
42. ny Purge the system Check for loose wires in starting device Replace compressor Cubes too small Freezing cycle too short Capillary tube partially restricted Moisture in the system Shortage of refrigerant Review setting of DIP SWITCH keys Blow charge add new gas amp drier after evacuating systemwithvacuum pump Same as above Check for leaks amp recharge Cloudy cubes Shortage of water Dirty water supply Accumulated impurities See remedies for shortage of water Use water softner or water filter Use Ice Machine cleaner Page 35 SERVICE DIAGNOSIS SYMPTON POSSIBLE CAUSE SUGGESTED CORRECTION Shortage of water Water spilling out through curtain Water solenoid valve not opening Water leak in sump area Water flow control plugged Leak of water drain valve Check or replace curtain Replace valve Locate and repair Replace water inlet valve Replace valve Irregular cubes size amp some cloudy Some jets plugged Shortage of water Unit not level Remove jet cover and clean See shortage of water Level as required Cubes too large Freezing cycle too long Review setting of DIP SWITCH keys Decreased ice capacity Inefficient compressor Leaky water valve Non condensable gas in system Poor air circulation or excessive hot location Red alarm LED glows Overcharge of refrigerant Capillary tube partially restricted Hot gas s
43. o locate the unit where it is not reached by any direct light beam or light radiation also it is recommended to keep the bin door constantly closed and to follow the instructions for the periodical cleaning of the light sensor elements as detailed in the MAINTENANCE AND CLEANING PRO CEDURES Its sensivity can be adjusted by turning the IR trimmer K Remove if fitted the refrigerant service gauges and re fit the unit service panels previously removed L Instruct the owner user on the general operation of the ice machine and about the cleaning and care it requires Page 21 FIG 6 WATER DRAIN VALVE O EVAPORATOR WATER IN VALVE O qs ELECTR o TIMER DATA PROCESSOR ELECTRONIC CARD _FIG WATER DRAIN VALVE EVAPORATOR D WATER IN VALVE X P a d8 ELECTR a TIMER DATA PROCESSOR ELECTRONIC CARD Page 22 PRINCIPLE OF OPERATION How it works In the cube ice makers the water used to make the ice is kept constantly in circulation by an electric water pump which primes it to the spray system nozzles from where it is diverted into the inverted mold cups of the evaporator A small quantity of the sprayed water freezes into ice the rest of it cascades by gravity into the sump assembly below for recirculation FREEZING CYCLE The hot gas refrigerant discharged out from the compressor r
44. olenoid valve leaking Short of refrigerant Discharge head pressure too high Replace Repair or replace Purge the system Relocate the unit or provide for more ventilation Correct the charge Purge off slowly Blow charge add new gas amp drier after evacuating system with vacuum pump Replace valve Charge to data plate indication See incorrect discharge pressure Poor harvest Restriction in incoming water line Water inlet valve not opening Hot gas valve orifice restricted Clogged air vented holes in mold cups Discharge head pressure too low Check water valve strainer and flow control If necessary enlarge the flow control orifice Valve coil with open winding Replace valve Replace hot gas valve assy Clean out holes plugged See incorrect discharge pressure Page 36 SERVICE DIAGNOSIS SYMPTON POSSIBLE CAUSE SUGGESTED CORRECTION Unit won t harvest Inoperative P C Board Replace P C Board Hot gas valve not opening Valve coil with open winding Replace valve Water solenoid valve not opening Valve coil with open winding Replace valve Incorrect discharge pressure Inoperative condenser sensor Replace sensor Inoperative P C Board Replace P C Board Water regulating valve misadjusted Adjust its setting stem AC 126 176 206 226 only Excessive water in unit base Water tubing leaking Check Tighten or replace Page 37 MAINTENANCE AND CLEANING INSTRUCTIO
45. otection sheet c Pull out the polystyre posts from the corners and then remove the carton 4 Remove the front panel of the unit and inspectfor any concealed damage Notify carrier of your claim for the concealed damage as steted in step 2 above 5 Check that refrigerant lines do not rub against or touch other lines or surfaces and that the fan blade moves freely 6 Check that the compressor fits snugly onto all its mounting pads 7 Remove all internal support packing and masking tape 8 Use clean damp cloth to wipe the surfaces inside the storage bin and the outside of the cabinet 9 See data plate on the rear side of the unit and check that local main voltage corresponds with the voltage specified on it CAUTION Incorrect voltage supplied to the icemaker will void your parts replacement program 10 Remove the manufacturer s registration card from the inside of the User Manual and fill in all parts including Model and Serial Number taken from the data plate Forward the completed self addressed registration card to Frimont factory 11 Ifnecessary replace the four standard legs with the taller ones supplied in the machine and adjust them to level the unit C LOCATION AND LEVELLING WARNING This Ice Cuber is designed for indoor installation only Extended periods of operation at temperatures exceeding the following limitations will constitute misuse under the terms of the Manufac
46. r windings NOTE All external wiring should conform to national state and local standards and regulations Check voltage on the line and the ice maker s data plate before connecting the unit E WATER SUPPLY AND DRAIN CONNECTIONS GENERAL When choosing the water supply for the ice cuber consideration should be given to a Length of run b Water clarity and purity C Adequate water supply pressure Since water is the most important single ingredient in producting ice you cannot emphasize too much the three items listed above Low water pressure below 1 bar may cause malfunction of the ice maker unit Water containing excessive minerals will tend to produce cloudy coloured ice cubes plus scale build up on parts of the water system WATER SUPPLY Air Cooled Versions Connect the 3 4 male fitting of the solenoid water inlet valve using the flexible tube supplied tothe cold water supply line with regular plumbing fitting and a shut off valve installed in an accessible position between the water supply line and the unit If water contains a high level of impurities it is advisable to consider the use an appropriate water filter or conditioner Water Cooled Versions AC 106 only On Water Cooled version the water inlet solenoid valve has two separate outlets one for the condenser and the second for the production of ice Page 14 Water supply Water cooled models Not on AC 106 The water cooled
47. restart the machine it is necessary to switch OFF wait few seconds and switch ON again the unit The ice machine resumes its normal operation byjoing through the 5 minutes water filling phase At the start of the freezing cycle the refrigerant suction or lo pressure lowers rapidly to 1 bar 14 psig on models AC 106 AC 126 and AC 176 and to 2 5 bar 35 psi on AC 206 226 then it declines gradually in relation with the growing of the ice thickness to reach at the end of the cycle approx 0 0 1 bar 0 0 3 psig on models AC 106 AC 126 and AC 176 and to 1 7 bar 24 psi on AC 206 226 with the cubes fully formed in the cup molds The total length of the freezing cycle ranges from 20 to 25 minutes DEFROST OR HARVEST CYCLE Fig E and G As the electronic timer has carried the system throughout the second phase of freezing cycle the defrost cycle starts ATTENTION In case the unit is able to reach 0 C 32 F evaporating temperature within 15 minutes but after 45 minutes from the beginning of the freezing cycle it has not yet reached the evaporator tem perature of 15 C 5 F the machine goes straight into the defrost cycle omitting the timed portion of the freezing cycle relied to the setting of the first four DIP SWITCHES NOTE The length of the defrost cycle is related to the length of the second phase of freezing cycle T2 Time to drop the evaporating temperature from 0 C 32 F small Red LE
48. tions from voltage rating specified on nameplate 10 10 WWIWWWW AI A WWWWWW lt A AN ice making capacity AIR COOLED MODELS WATER COOLED MODELS Kg C Kg 50 10 51 21 49 21 47 45 32 43 38 41 39 ICE PRODUCED PER 24 HRS S AMBIENT TEMPERATURE ICE PRODUCED PER 24 HRS AMBIENT TEMPERATURE 37 32 35 32 27 21 15 10 C 32 27 21 15 10 C WATER TEMPERATURE WATER TEMPERATURE NOTE With the unit in built in conditions the ice production is gradually reduced in respect to the levels shown in the graf up to a maximum of 10 at room temperatures higher than 32 C The daily ice making capacity is directly related to the condenser air inlet temperature water temperature conditions of the condenser air filter and age of the machine To keep your CUBER at peak performance levels periodic maintenance checks must be carried out as indicated on Maintenance and Cleaning section of this manual Page 4 SPECIFICATIONS
49. tronic timer The timer which is built in the P C BOARD takes over from the evaporator temperature sensor the control of the freezing cycle up to its completion NOTE The change of the electric potential of the evaporator sensor with the consequent activationof the timer Time mode is signalled by the glowing up of the RED LED located in the front of the P C BOARD ATTENTION In case after 15 minutes from the beginning of the freezing cycle the temperature of the evaporator sensor probe is higher then 0 C 32 F small RedLED still OFF shortage of refrigerant inoperative hot gas valve etc the P C BOARD switch OFF immediately the unit with the simultaneous blinking of the WARNING RED LED The length of this timed portion of the freezing cycle is pre fixed and related to the setting of the first four DIP SWITCH keys The DIP SWITCH keys setting is made in consideration of the type of condenser used and size of ice cubes DIP SWITCH FACTORY SETTING COMBINATIONS PER MODEL AND VERSION FREEZING CYCLE DEFROST CYCLE DEFROST CYCLE 45 30 AIR WATER DIP SWITCH 1 2 3 4 5 6 7 8 9 10 ACM 106A ON ON OFF ON ON ON OFF ON ACM 106 W ON ON OFF ON ON ON OFF OFF ACL 106A ON ON OFF ON ACL 106 W ON ON OFF OFF ACS 126 176A ON ON OFF ON ACS 126 176 W ON ON OFF OFF ACM 126A ON ON OFF ON ACM 126 W ON ON OFF OFF ACL 126
50. turer s Limited Warranty resulting in LOSS of warranty coverage 1 Position the unit in the selected permanent location Criteria for selection of location include a Minimum room temperature 1 50 F and maximum room temperature 40 C 100 F b Water inlet temperatures minimum 5 C 40 F and maximum 35 C 90 F c Well ventilated location for air cooled models d Service access adequate space must be left for all service connections through the rear of the ice maker A minimum clearance of 15 cm 6 must be left at the sides of the unit for routing cooling air drawn into and exhausted out of the compartment to maintain proper condensing operation of air cooled models 2 Level the unit in both the left to right and front to rear directions D ELECTRICAL CONNECTIONS See data plate for current requirements to determine wire size to be used for electrical connections All icemakers require a solid earth wire All ice machines are supplied from the factory completely pre wired and require only electrical power connections to the wire cord provided at rear of the unit Make sure that the ice machine is connected to its own circuit and individually fused see data plate for fuse size The maximum allowable voltage variation should not exceed 10 and 10 of the data plate rating Low voltage can cause faulty functioning and may be responsible for serious damage to the overload switch and moto
51. uits one at high and the other at low voltage integrated with two fuses one on power in 32mA and one on power out 6 3 A of four aligned LEDS monitoring the operation of the machine of one extra monitoring RED LED blink 0 C steady 15 C of one DIP SWITCH s G PUSH BUTTON OPERATION DURING WATER FILLING PHASE Push for more then 2 but less then 5 the machine enters in Cleaning Mode Push for more then 5 the machine by pass the Water Filling Phase DURING FREEZINGIHARVEST CYCLE Push for more then 5 during the Freezing cycle the machine goes immediately into Harvest Push for more then 5 during the Harvest cycle the machine enters immediately in the Freezing cycle The length of Harvest is equal to 35 if Push Button is activated before 18 evaporating temperature LED activation As per Harvest cycle chart if Push Button is activated after 15 C evaporating temperature LED activation Red LED inside PC Board ON steady Page 28 with ten keys of one push button of an external switches socket of input terminals for the leads of the sensor probes and input and output terminals for the leads of the ice maker electrical wires The P C BOARD is the brain of the system and it elaborates through its micro processor the signals received from the three sensors in order to control the operation of the different electrical components of the ice maker compressor
52. ush and hold for 5 the Red Re Set Button Slow EVAPORATOR TEMPERATURE SENSOR The evaporator temperature sensor probe located in contact with the evaporator serpentine detects the dropping of the evaporator temperature during the freezing cycle and signals it by supplying a current flow to the micro processor of P C BOARD According to the current received is energized the small Red LED of the PC Board blink or steady When steady the micro processor supplies power to the electronic timer built into the P C BOARD so that it takes control of the last portion of freezing cycle The length of the timed phase is pre fixed by the setting of the keys 1 2 3 and 4 of the DIP SWITCH NOTE Whenever after 15 minutes from the beginning of the freezing cycle the evaporating temperature have not yet reached the value of 32 F small Red LED OFF the P C Board switches OFF the machine with the BLINKING of WARNING RED LED D CONDENSERTEMPERATURE SENSOR The condenser temperature sensor probe located within the condenser fins air cooled version or in contact with the tube coil water cooled version detects the condenser tempe rature variations and signals them suppying current at low voltage to the BOARD In the air cooled versions in relation to the different current received the micro processor of the BOARD supplies through a TRIAC the power at high voltage to t
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