N25-35-45-55-70-90-140 - Icematic
Contents
1. N 00 494 0646966 SOGN SOZN SSSN SSTN of A Ho ila 1 O H D G i 22 bww WD 5340136 37872 IAVO INOIZIS 220 7 J 05801 J q q a u oJ u u N 5 fk 0 umoJq WI e 6 anjq 1901 24 OUDIUO 9q a lt 0016 lt AB 1 5318 2 JHL 30 4101700 190700 sa 4 ZN LOVINOO AVTIY 200 OLLVINOO 3T3Y 200 LN LOVINOO AVTI 100 LN OLLVINOO 3188 159 HOLMS 7 IYOLLIBYILNI Z TOULNOO LVISOWYSHL OLVLSONYAL A LVLSOWYSHL NIG TINS ON3Id 01150930 OLVLSOWYAL 3YOSSIYANOI d YOLON IYOLVIUNIAOYLIITI INIVA 0032105 SYD LOH D SVI WIOATWAOULLITI JAYA GIONSIOS YILVM lt HOLIMS TIVA 1015 IINVIDDITIVO OYOIN 51 7 YOLON IS3AUVH 9 OLNINVIIVARI SYOLLNGOLON HOLMS ISIAYVH 4 OLNINVIWVEIY 4 9 YOLON 3 31137 FYOLLNGOLON 3 IN HOLIMS 0 ISINdNI ONDIN G 2 7 AVIIN 9 9 oa2. 19 31849 LIINI 1 21419313 SININOAWOD 3931 7 3 8 8 5 5 ang 140 29 N 2 lt 5 5 021411213 YWIHIS WINFIIT 537892 FHL 40 3N0709 5 U w 29 3 fa Ul NE _ _ oso 29 w 8 6 gt 7 29 N 3 INOIZYNIDVAWI TSGLINGNOD 148182 6 5 7 7 A 2 4 a 5 589710 UOIFOINSU 5 9 22 DI algnop ayqod 244 03 pazDdaUUOD a 2 1855979 gt 5 VSSAW UOU 2UOPON W e S 9 w ZN 1291 02 AVT3I 2II DLIVINDI 3133 227 gt N N 1291402 AVTIITIT TN DILWINDI 3138 4259 2 SISNIANDI 037009 25 3NDLVIULNIATILIITI 5 6 SOLON XISNIANDI 4317002 TY
3. x x OSN MSSN MSTN oJ u u apuon ojib A6 OJDIYO 9q Il 355719 OLNINYIOSI 019900 5 53 OLVOSTIOD NON 24 CU OLLYLNOO LU OLIVINOD 134 122 OIDOVIEVO VIOLVOS OLNINYI VERI OYIIN ILNVIODITIVO ISTNANI OYIN ALLAWd OLNINVI VERI FYOLLNGIYOLOW YNDOY VIOAIVAOULLITI SVI VIOA IVAOULILI 4 01915055344 VUSILLAISYON OLVISOWYAL 3138 39055 344 ANOIZVLNAWNV 10 OAVO lt LIL gt 20 00 07 6966 506 MSOZN q yOD O u UMOJG 196 29 lt LOVINOO Q Lu N70S 905 N90L WATER N 0 1 222 J 185 Z 7 wu AB AB AB S UU tu 6 9 ud CER DA 9 J 01 at Zhu 58 dI PE Lk
4. N 0 9 d 2 HO 5 4 25 p Z 229 E 7 8 6 SS K AD AB AB ABE 2 AB AB N NVYOVIO ONIYIM 5 29 1961 24 lt SITEVO 40 4010100 LOVLNOD AVTIY 99 LN LOVLNOO 199 HOLIMS LVISOWYSHL 9 TINS YOSSAYdNOD YOLOW NV4 JIVA 01033105 5 9 LOH O AN WA 00 105 Y3LYM HOLIMS OS9IN TIVE LVO14 H YOLOW 153 8 9 HOLIMS LSSAYVH YOLON F1ddVd HOLIMS 09 AWAY 04708 1VNINZAL LAN AVVO LAIN 1 91419313 SLNSNOdNOO VONJI lt 00 3 Lil Li MONNE SINOLLIIS 3189 IAVO 3 01235 0641966 OSSO UOJJOW 0040 719 6 6 IHOLLNONO9 140109 OLLVINOO 3138 299 LN OLLVLNOO 3738 199 JWYANSD JYOLLNYYALNI 7 0150930 OLVLSOWYAL N IYOSSAYANOO 313
5. ened TECHICAL DATA amp WIRING DIAGRAMS ilechnicaldata a aL SEA IEEE Ld Ol SA RE OO INDEX pag 2 2 3 3 4 4 5 5 6 7 8 10 10 10 13 22 GENERAL INFORMATION A INTRODUCTION This manual provides the specification and the step by step procedures for the installation start up and opera tion maintenance and cleaning for the Icemakers The machine 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 This product qualifies for the following listings These icemakers have been engineered to our own rigid sefety and performance standards The VDE SEV GS seals signifity that it is listed with them and that it complies with the materials and manufac turing standard of them These seals also signify that these icemaker models have been inspectors who reserve tha right to periodically examine production icemakers at the factory to assure continued compliance NOTE To retain the safety and performance built into this icemaker it is important that installation and mainte nance be conducted in the manner outlinde in this man ual B UNPACKING AND INSPECTION 1 Call your authorized Distributor
6. T 1313 NYA NOLLINS INDIZVATASV 39 1373 T 8 LX 9 141505534 OLVLSOSS Fad 1645 01999182 9101925 HOLIMS OSOIH 1SIAIHN DINIAYLIVEIY CAIN N 020954 HOLIAS ODXIIW TWE 100712 93 7799 OSIIN HOLIMS OSIIN 7 157 SOLOW ULF Wd FAOLLNGIAOLOW T LY dOLOM LSIASH CLNINVLTWATY FIOLLNGIACLON JAWA CIONITOS JILVA NOI VIDA WADII JAWA CIONITOS SVI 599 VIDA WADILILITI 4 2 23737 135 4 1 1 1 OLVLSONSIL 1 31347 8055 AINDIZVINIWIW IT DAVI 11 2 VONFIDFT N50 WATER yoojq u 16 Ab aniq 146 9q UMOJQ 318VO FHL 30 YNO109 55 19 NOISYSA NOLLYINSNI 378N00 JHL NI 378V9 ONIONNOY OL CILIINNOO LON YOLOW LOVINOO LU LOVINOO AVTIY YOLOW 1VNINYIL HOLIMS LSIAUVH HOLIMS OYDIN TIVE LVO14 HOLIMS x YOLOW 3100Vd x YOLOW LSSAYVH ANWA CIONITOS CIONITOS SVI JOYLNOO JYNSSAYd 53713 IVISONYIHL AVIIY 4055 344 191419313 099 199 SININOdNOO VONS94 A 1 5 0 0 d 9 8 J
7. 31033 Castelfranco Veneto TV Italy Tel 0423 738452 Fax 0423 722811 E mail icematic castelmac it Web site www castelmac it Cod 71503026 0 GB 01 2006 Rev 002
8. SVD VIOAWAOSLLATI 0 VADOV VIOATVAOULLITI SINVIODITIVO OLNINVI VERI 38901 9 OLNANVEIVEIY 393 AYOLLNCIOLON 3 IS 3138 9 OSSIYONI VYSILLSSNON 9 JNOIZVLNANM 10 OAVO Y VONI9T 14 N25L N35S AIR N 091 0110 0906 ol k9 4 9 H 4 bww 20 I as 2 3 53 00 235 IAVO 235 e 22 sv 2220 i 7 pai 0550 J Sea 68 yod g u oJ u u rie ST UMOJG QUOLIDUW 1461 29 040149 9q 9916 lt 0016 lt AD 5318 0 40 N0109 IMOLLAGNOD 190109 ZN LOVINOO AVTIY 299 OLLVLNOD 37134 209 LN LOVINOO AVTIY 199 LN OLLVLNOD 37134 199 5 HOLMS IYOLLOYZALNI Z TOULNOO LVLSONYSHL JYOLVILNAA OLVLSONYSL IVISOWSY3HL 9 TINI ON3Id 0150930 O1VISONY31 N 5 YOSSZYdN
9. 140W models On the smallest models instead the head pressure is kept constant by a pressure switch that opens and closes a water inlet solenoid valve which supplies a metered amdint of water to the condenser in order to limit its tem perature REFRIGERATING SYSTEM Compressor Eletric fan Condenser Drier Hot gas valve Evaporator Heat exchanger TIISQUNE MACHINE MAIN PARTS DESCRIPTION B BIN THERMOSTAT The bin thermostat which has its sensing bulb downward into the storage bin shuts OFF automatically the icemak er when the ice storage bin is filled and ice contacts its bulb Lighting of the proper led paints out that the storage bin is full HI PRESSURE CONTROL N35S N55S N55L N50BI N70S N90S N90L N140 On water cooled ice makers it functions to mainlain the head pressure within the present values of 8 and 10 bars by intermittently activating the water inlet valve to the con denser in the water cooled models On air cooled ice makers it keeps the head pressure with in 2 preset values 8 10 bar by starting the electric fan of the condensing unit HI TEMPERATURE SAFETY THERMOSTAT All water cooled model Fastened directly onto the rifregerant liquid line and elec trically connected upstream all other controls this safety thermostat shut off the icemakers when senses that the temperature at the liquid line has rised to the limit of 65 C FEEDING WATER INLET SOLENOID VALVE The water inlet solen
10. PADDLE MOTOR REPLACEMENT a Remove the top cover b Remove six screws securing the paddle shaft supports two and the paddle motor support 11 Trace the electric wire leads of paddle motor and dis connect the same then remove the paddle shaft motor assy Remove the paddle shaft assy from the paddle motor gudgeon or guide pin To install the replacement paddle motor follow previous steps in reverse L HARVEST MOTOR REPLACEMENT a b 12 Remove the top cover Remove the screws securing the harvest motor to the cabinet base Remove the seeger from the cam pin Trace the electric wire leads of harvest motor and dis connect the same then remove the harvest motor cam support assembly Remove the lock pin securing the cam to the motor shaft and the screws joining the harvest notor to the relative support f Install the replacement harvest motor on the support and apply the cam make a mm hole on the motor shaft and to do it take as a guide the hole already exist ing on the cam To install the replacement harvest motor assy follow previous steps in reverse M THERMOSTAT OR RELAY REPLACEMENT a Remove the rear panel on N25S model On N35S N140 models remove the top cover Remove the terminal box cover Remove the screws securing the terminal box to the cabinet Slightly lift the terminal box and remove the screws securing the thermostat or
11. TWNINYSL LNdNI 8 0553 9 VUIILLISYON 8 318 9 LIINI WOMLOIT 3NOIZVLNANTW OAVO NYYUOVIO ONIHIM 00411414 5 SLNANOdNOOD VONS9F1 ILNINOdNOO 951 17 455 N45L 555 N55L AIR N 00791 0 9061 MSSSN 120 all 2 EQ k bww 110 H 29 2 u gt SINOLLIIS 37872 IAVO INOIZIS pia oe 5 pol J 05501 J 7 q 0 q u umoJq 5 1 0 196 lt 29 94 di lt 9 0016 AB 5418 2 SHL 40 YNO100 IHOLLNONO9 YO109 Z N LOVLNOD 229 Z N OLLVINOD 3738 293 LN LOVLNOD AVTIY 122 LN OLLVINOD 3738 199 2 Be HOLIMS NIVW 7 IIVYINII JYOLLNYYALNI Z 5 3UNSSIYA VSONINNT VidS A IVISONY3HL ALZ4VS N VZZIYNOIS 10 OLVISO
12. aan Web MSSSN L 91 6 9 ve vog i wet 84 vi 6 9 6 v s ozz sii A 5 E 08 6 y yrz ozz 4 E Wet o 82 bl 6 9 6 v s ii Loana Vet MSSN 5 5 08 e1 6 yrz 022 3 n Wet vSSIN 5 22 621 02 28 91 01 8 y OL voz vsz x08 Wet MSSEN E 2 98 S ol z z wee ozz veel WSSEN 01 8 0 01 8 orl E vrek i 91910 XNTOYLO3TA ez 6 1 9 e s 01 8 0 01 8 wi ii Loana Weel 6 l 01 8 0 01 8 Wet MSSN ez g s 6 o Loana Veet vSSN 5 D6L SI Li 6 s 56 vel 091 aL ASIEN Z 9 D6L SI 54 Li 6 c e 09 Wet vSIN MASHH Pe NO da Ponies HYMNI URNS wniaaw MOSSASAMQo SIANO WIRING DIAGRAMS N25S AIR ik
13. eS 2 N a 9 24 uu at uu 5 54 AB AB ONIMIM 0919113 341553 XV ANIWA CIONITOS SVO LOH INTVA GIONFIOS HILVM HOLIMS TIVE LV014 HOLIMS LSAAYVH IVNINYAL LNdN LAIN SAIEVO JHL 30 4100100 N O LN LOVINOO HOLIMS NIV IVLSOWYSHL ALHHVS 80553 4 409 LVLSOWYSHL 1103 Il SERRE a SN YOLOW 153 8 Il lt YOLON 3100VA HOLIMS 0401 AW 738 SLNANOdNOOD VONS94 bww bww SINOLL9IS 31890 IAVO INOIZIS 0550 09UDIG 0JaU 0210402 29 1401 180709 GN OLLYLNOO 3184 299 LN OLLVINOD 37138 09 1 9 AYOLINYBALNI Z VSONINNI VidS A VZZIYNOIS Id OLVISONZIAL N AYOSSAYANOO ONAld 15 OLVLSONY IL SVI VIOA IWAOULLATA YNDOV VIOATVAOYLLITA SL NVIODITIVO 080 IHOLLNAIHOLO OLNJWYL IVEN 0401 ALLAWd SYOLLAGIYOLO ISTINANI 0 2 213 55 9 1 Id ILNINOdNOO VO ip Il COE OCF Il dI lt Il Lio O Lul 21 Castel MAC SpA Via del Lavoro 9 C P 172
14. pan that float stops water inlet before overflow and that there are no water leaks The normal water level inside the pan must not exceed 5 10 mm of its upper The water level can be regulated rotating the microswitch in the slit of the ralative support after hav ing removed the fixing screws 1 see sketch This operation must be done after having disconnect ed the electricity supply Check that there is no abnormal vibrations due to loose bolts and screws Observe safety practice disconnect machine from electricity supply before rectifying water leaks or tight ening screws and bolts E Check an ice production cycle ensuring that the cubes are conveyed into the storage bin F Check the thermostat by putting a cube in contact with the thermostat bulb inside the storage bin it must stop in 1 Minute and it will automatically resume in a time a little bit higher after having removed it ATTENTION In the event the icemaker is installed with altitude higher than 500 m from sea level it is required a different ther mostat calibration as due to barometric pressure decrease it is less sensitive and therefore the icemaker continues to operate even if the storage bin is full Access to the thermostat is gained by removing the top of the wiring case tighten clockwise the regulating scew see sketch As it is not possible to quantify the turns according to the altitude being them different for any ther
15. 140 114 0 19916 lt 0016 5318 9 30 4100100 IYOLLNGNOD 140109 ZN 1291400 AVTIY 200 Z N OLLVLNOO 3134 229 LN 1291400 AVTIY 199 LN OLLVINOO 3134 199 HOLIMS Z JIVYANAD SYOLINYYALNI Z TVNOIS 553 INUVTIV VSONINNT VidS LVLSONYSHL AL33VS VZZ3UNOIS 10 OLVLSOWYSL TOULNOO 3UNSSIYA 071009 5 2 2 0115055339 5 LVLSOWYSHL NIG TINI Y 0150440 OLVISONYAL JAYA 5 SYD LOH O SVI VIOATWAOULLITS 0 105 VIOAWAOXLLATS JAVA GIONTIOS 9 000 0 INOIZYSN3ONOI VIOAWAOULI3T3 HOLIMS TIVE 1VO14 IINVIODITIVO OXIN YOLON LS3ABVH 9 OLNINYLIVERB lt 9 HOLIMS OZOIN 15 4 OLNANVITVElY 4 YOLON 37100Vd ALLIWd JYOLLNGYOLON 3 HOLIMS ISINAN A 2 2138 9 1 1 0553 9 VUSILLESYOW LIN WOMLOI 2 Id OAVI V SLNANOdNOOD 93 1 04 5 VON3941 16 N45S N45L 555 N55L N70S 905 N9OL
16. B Make sure that water connection are made before elettrical connections ELECTRICAL CONNECTIONS Connect machine to water supply first and then to eletricity supply Connect the machine to the eletricity supply after having checked that the voltage corresponds to that on the plate on the rear panel of the machine Connect the machine to the eletricity supply after having checked that the voltage corresponds to that on the plate on the rear panel of the machine 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 C This icemaker will malfunction with water temperatures below 5 C 40 F or above 40 C 100 C ALLACCIAMENTO ELETTRICO The maximum voltage variation should not exceed 10 of that stated on the rating plate The machine should be connected to an indepen det fused or suitable power supply protected with earth See rating plate for load requirements Fix a solid earth ground plug to the electrical power supply wire of the machine Be sure the plug is in conformity with the local electrical code requirement Check by means of a tester the continuity of the earth mass from the panels to the plug earth termi nal board Mod N25S 140 Swicth Socker Electrical plug Water iniet Shut of valve Water autlet from the condenser water cooled version 7 Water aut
17. Check the electricity supply replace fuse if necessary and ckeck for cause Check wiring Replace thermostat Check for leaks repair evacuate all the gas and recharge with R134A by weight see nameplate Check float ball float ball microswich and water inlet valve Replace if necessary the defective components Remove refrigerant charge raplace drier evacuate first and then recharge Check for leak repair evacuate all the gas and recharge Clean condenser with a non metal brush or with a vacuum cleaner Repair and replace fan Move unit to proper location Replace drier evacuate and recharge Adjust level of float ball microswitch assy Polish evaporator Remove refrigerant charge evacuate first and the recharge Remplace Check electrity supply Clean DIFETTI CAUSA RIMEDI SUGGERITI Icecubes are too low Icecubes are too long Unproper shape and or irregular dimension of cubes Deposits in the pan Water leaks c Air circulation blocked d Non condensable gases in system e Detective compressor electrical components f Mechanical or electrical failure inner compressor a Water level in the pan is too low a Water level in the pan is too high b Water solenoid valve is not water tight a Incorrect position of revolving paddles b Unit is not properly levelled a Impure water b Calcareous water a Detective water seal Move unit to c
18. ICE CUBE MACHINES 1 55 N25L 55 455 N45L N50BI 555 N55L 705 905 901 3140 Air and water cooled versions ISO 9001 OUR SYSTEMS COMPLY WITH EEC DIRECTIVE 73 23 89 336 CEE lcematic SERVICE MANUAL Cod 71503026 0 GB 01 2006 Rev 002 GENERAL INFORMATION i INSTALLATION Locate amd levelling crea Water SUPPIY GOMMECHONS i ala iaia ai Electrical COMNECIIONS eds OPERATION Operating INStrictions ces and refrigerationi Systems MACHINE man pans COSC POMS IFOUDIO lt tna E A Periodical maintenance and cleaning cleaning Parts replacement a
19. NYIL TOULNOD FUNSSIYA 031000 S INOIZVSNIONOI OLVISOSSIYd ui a LYLSOWYSHL NIG TIN Y 0150430 OLVISONMAL JAYA GIONTIOS 599 LOH H SVI VIOAIVAOYLLITI 5 JAVA GIONTTOS YILWM VIOAWAOULLIIS 0043105 9 0 FNOIZYSNIGNOD VIOAWAOYLLI AH 0 HOLIMS TIVE 19015 JLNVISDITIVS ONDIN dla LSIANVH 9 OLNANVLTVEIY FAOLINGIYOLON 9 HOLMS OYOIN ISIANVH 4 OLNINVIIVEII 9 za 7 3 3 HOLIMS Q ISINANI ONDIN sq AVTAY 2 9 H a zy IVNINYII 0553 9 VYSILLISYOW 8 9V9 LIINI IVOILOSTI Y 3NOIZYLNINNY 10 OAVO WVYOVIG ONIMIM OO YLLATS 5 SLNANOdNOO 0 39 1 ILNANOdNO9 VON494 18 14 N50 AIR 4 amp a a SINUILIIS 31897 IAVI INUIZIS 3 INNUIZNNA 027411913 VW3HIS w A
20. OO 24 1 IYOLVILNIAOYLIITI JAIWA 105 SVD LOH D 599 VION WAOULLIT 0 n IATVA CIONITOS YILYM d VNDOV VIOATVAOYLLI13 di HOLIMS TIVA 19073 ILNVIDDITIVO YOLON 153 9 OLNIAVIIVER FYOLLNGYOLON 9 0 HOLMS OYOIN LSSAYVH 4 OLNINVLIVEIY OYOIN 4 3700Vd F JYOLLNGIYOLON 3 HOLIMS Q ISINANI Q d AWRY 2 89 IWNINYSL 1 9 OSS3YONI VUSILLISYOW TIVO LINI IVOIMLOITI Y 2 10 OAVO V ONIMIM OOIMLISTA 5 SINANOdNOD VONI9I ILNINOdWOO VON39I 15 N25S N25L N35S WATER Nie NVYOVIO ONIHIM 0919401 414 VINAHOS G 999 0797 0 9 bww D l 3 SINOLLOIS 37872 IAVO 3NOIZIS J 0550 J q 020019 146 9 0700
21. The hermetic compressor is the heart of the refrigerant system and it is used to circulate and retrieve the refriger ant throughout the entire system It compresses the low pressure refrigerant vapor causing its temeprature to rise and become high pressure hot vapor which is then released through the disharge valve MAXIMUM PRESSURE SWITCH N45SW N55SW N50BIW N70SW N90SW N140W Fastened directly on to the refrigerant liquid line and elec trically connected upstream all other controls it shut off the ice maker when senses that the head pressure reach es 15 bars TROUBLE SHOOTING SYMPTOM POSSIBLE CAUSE CORRECTION Unit will not run Machine runs but makes no ice Low ice production Fan doesn t run even if the delivery pressure is over 10 atms Compressor cycles intermittently a Electricity supply disconnected e Loose electrical connection c Damaged storage bin thermostat 2 Loss or undercharge of refrigerant circuit 2 Water continuously entering into evaporator chamber c Moisture in the regrigerant system a Under charge of gas b Dirty condenser c Damaged fan d Exceedingly warm ambient with low ventilation e Partial restriction in drier f High water level in the reservoir and water overflows Scale deposit on evaporator 5 gt Partial restriction in the capillary tube Detective pressure switch a Low voltage b Dirty condenser
22. any time the cabinet is moved from the original location to another site N B WARNING Be sure the electrical power supply and the water supply are OFF before starting any removal and replacement procedures as a precaution to prevent possible personal injury or damage to equipment B COMPRESSOR REPLACEMENT a Remove the rear panel on the N25S N25L model and the rear panel grid on N35S model N45S N140 models remove the rear panel grid and the side panels Remove the cover and disconnect the electrical leads from the compressor junction box Bleed off or blow the refrigerant charge through the valve Unsolder and disconnect both the suction line and the discharge line from the compressor Remove compressor mounting bolts and the compres sor from the unit base Always install a replacement drier anytime the sealed refrigeration system is open Do not replace the drier until all other repairs or replacements have been com pleted To install the replacement compressor follow previous steps in reverse Thoroughly evacuate the system to remove moisture and non condensables after compressor replacement Before proceeding with the refrigerant charge check nameplate for specific refrigeration charge for individ ual cuber C AIR COOLED CONDENSER REPLACEMENT Remove the rear panel grid on N25S N25L and N35S models On 455 140 and upper models remove the front panel grid and the side panels Remove the s
23. can vary from about 15 to about 25 according to water and ambient temperature The ice quantity inside the bin is controlled through a ter mostat bulb fixed on one inside of the storage bin when the cubes of ice come in contact with the bulb the pro duction of ice is automatically discontinued Only after enough ice has been removed from the storage bin so as to free the bulb from the cubes will the production resume ELECTRICAL AND REFRIGERATION SYSTEMS The series machines operate on standard electrical supply 220 volts 50 Hz single phase The tolerance limit is 6 of the rated base Special voltages are eventu ally on specific request Therefore almways check nameplate for electrical infor mation before proceeding with electrical wiring connec tions to the ice cubers The rifregerant expansion system on the cube machines is the capillary On N25S N25L model the condensing unit electric fan operates continuously during the ice forming 6 cycle and stops during the defrosting cycle therefore the head pressure change on different ambient temperatures While on N35S N55S N55L N50BI 705 N90S N90L N140 there is a pressure switch that starts and stops the electric fan so to keep the head pressure constant On water cooled versions the head pressure is kept constant by means of an automatic valve that regulates the quanti ty of water cooling the condenser N45SW N55SW M50BIW N70SW N90SW
24. crews which attach the condenser to the unit base Bleed off or blow the refrigerant from the system Unsolder the refrigerant lines from condenser and remove it from the unit Install the replacement condenser following previous steps in reverse Thoroughly evacuate the system to remove moisture and non condensables then proceed with the charge of FREON R134a D DRIER REPLACEMENT E Remove the rear panel grid on N25S N25L and N35S Models On 455 140 models remove the side panel grids Bleed off or blow the refrigerant charge through the Henrytype valve Unsolder the capillary tube from one end of the drier and the refrigerant line from the other end To install a replacement drier remove factory seals Thoroughly evacuate the refrigerant system Charge the system with refrigerant by weight see nameplate and check for leaks FAN MOTOR REPLACEMENT Remove the rear panel grid on N25S N25L and N35S models N45S N140 models remove the side panel grids Trace the electric wire leads of fan motor and discon nect the same Remove the bolts securing the fan motor assembly to the cabinet base and the remove the assembly Install the replacement fan motor following previous steps in reverse anc check that the fan blade do not touch any sourface and move freely F EVAPORATOR ASSEMBLY REPLACEMENT a Remove the top cover b Remove six screws securing the paddle shaft supports two and the paddl
25. e motor support then remove the paddle motor paddle shaft supports assembly c Remove the bolts securing the evaporator supports two to the cabinet d Sideways remove the evaporator supports e Unsolder the capillary tube the hot gas solenoid valve tube and the suction line f To install the replacement evaporator assembly follow previous steps in reverse g Install the replacement drier thoroughly evacuate the system and proceed with the refrigerant charge G WATER RESERVOIR TILTING LEVER SUPPORT ASSEMBLY REPLACEMENT a Remove screws and top cover b Remove the gear motor paddle shaft support assem bly c Remove the screws securing the evaporator supports two d Sideways remove one evaporator support support as well as one reservoir gudgeon support e Slightly lift the evaporator and remove the water reser voir assembly f To install the replacement water reservoir assembly follow previous steps in reserve H WATER INLET ELECTROVALVE REPLACEMENT a Remove the rear panel b Check that water supply is closed c Disconnect the water supply connection pipe from the valve and that of the electrovalve from the reservoir d Break contact from the electrovalve and remove the screws two securing the electrovalve to the relevant frame e To install the replacement electrovalve follow previous steps in reverse before installing the water supply pipe check that the gasket is not defective I
26. let from the bin 8 Open vented water 4 Mod N25W N140W Switch 2 Socker 3 Electrical plug 4 Water iniet 5 Suht off valve 6 Water autlet from the condenser water cooled version 7 Water autlet from the bin 8 Open vented water 2 DI ah a N 0 FINAL CHECK a Check that the supply means voltage corresponds to that stated on the plate of the machine b Open the shut off valve of the water supply and check there are no leaks c Check that the icemaker is properly levelled d Check that the storage bin has been wiped clean e Give the Operationg instructions manual to the owner user and recommend him on the importance to observe the instructions and period maintenance Properly fill in the certification card and mail it to Caste Mac Check all refrigerant lines and conduit lines or panels to guard against vibrations and rubbing Make sure that the unit is installed in a room where the ambient temperature doesn t fall below 10 C even win ter months Check that the water supply pressure is of minimum 1 atm 14 Psi Give the owner the name and the complet address of the authorized Service in his area OPERATING INSTRUCTIONS Check that the shut off valve of the water supply is open then plug in the machine and swich on the elec trical supply the unit is now ready for automatic oper ation B Check that water reaches the
27. mostat we suggest regulation by checking if the ice cube in contact with the thermostat bulb stop the ice maker not later than 1 minute ICE FORMING CYCLE The ice cubes form around the fingers of the evaporator inside of a pan filled with water which is continuosly moved by revolving paddies The water level is kept constant by a float connected to a microswitch that controls a water inlet electrovalve Dimensions of cubes can be regulated by operating on the microswitch inclination that controls the water level inside the pan When the ice cubes have reached the required dimen sions they get in contact with the revolving paddles that swings the relative paddle motor which operates a microswitch that by means of a relay it causes simultane ously Delivery of hot gas to the evaporator by the opening of an electrovalve with the consequent fall of cubes from the evaporator The tilting of the water pan controlled by a lever of the harvest motor The formed cubes fall on a slanting grid inside the pan and are conveyed in to the storage bin underneath The remaining water collected in a pan placed on one side of the bin is then conveyed to the drain The tilting pan automatically returns to its horizontal posi tion after a minute about and then it fills of water until the selected level is reached In the meantime the hot gas valve il closes and the ice formingcycle starts again the time of a complete cycle
28. oid valve is activated only at the end of the defrosting cycle When energized it allows a metered amant of incoming water to flow into the tilting pan untill the float closes the inlet circuit THE 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 gas line During the defrost cycle the hot gas valve coil is activated so to attract the hot gas dis charged from compressor to flow directly into the evapo rator serpentine to defrost the formed ice cubes L FAN MOTOR Air cooled version The fan motor operates during the freezing cycle to draw cooling air through the condenser fins so to keep the con densing pressure between the 9 7 bars values COOLING WATER INLET SOLENOID VALVE N25SW N35SW A second water inlet solenoid valve operating through an automatic hi pressure control is used on water cooled versions to supply water to the condenser When activated it supplies a metered amount of water to the condenser in order to limit its temperature and the refriferant operating high pressure N WATER REGULATING VALVE N45SW N55SW N50BIW N70SW N90SW N140W This valve controls the head pressure in the refrigerant system by regulating the flow of water going to the con denser As pressure increases the water regulating valve opens to increases the water regulating valve opens to increase the flow of cooling water O COMPRESSOR
29. ooler location Purge off Replace electrical components Remplace compressor Adjust level by raising the float ball micro swicht assy Adjust level by lowering the float ball micro swicht assy Check the valve in order to remove eventual obstructions or replace defective parts Center the paddles in accordance with the evaporator components Check the machine level by working with the adjustable feet Clean the water inlet filter Install a water softener Check and repair PERIODICAL MAINTENANCE AND CLEANING N B Cleaning and maintenance especially will vary depending upon ambient and use conditions In particular affect hard water ice volume produced and location requirements The following maintenance procedures should be sched uled once per year al least from the local service Agency Be sure the electrical power supply of the machine is OFF before starting any maintenance and cleaning procedure a Close the water supply shut off valve disconect the water inlet pipe and remove the strainer from its seat in the water inlet elettrovalve withdrawing it bay means of pilers Clean the strainer under running water and reassemble e Check that the ice maker cabinet is levelled in side to side and front to rear directions Check paddle shaft motor and harvest motor tion d If you think it opportune check by means of a gauges the delivery pressu
30. 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 from filled in subjetto inspection of the contents with the car rier s representative present 3 a Cut and remove the plastic strip securing the carton box to the skid b Remove the packing mails securing the carton box to the skid c Cut open the top of the carton and remove the poly styre protection sheet d Pull out the polystyre posts from the corners and then remove the carton 4 Remove the front and the sides panels of the unit and inspect for any concealed damage Notify carrier of your claim for the concealed damage as stated in step 2 above 5 Remove all internal support packing and masking tape 6 Check that refrigerant lines do not rub against ou touch other lines or surfaces and that then fan blades move freely 7 Check that the compressor fits snugly onto all its mounting pads 8 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 ice mark will void your parts replacement program 9 Remove tha manufacture s registation card from the inside of the User Manual and filling all parts including Model and Serial Number taken from the data plate Forward the completed self addressed
31. re and the evaporator temperature Clean the air cooled condenser using a nonmetal brush or a vacuum cleaner f Check that fan blades move freely and are not touch ing any sourfaces g Check for refrigerant leaks h Check for water leaks Pour water down bin drain to be sure that drain line is open and clear i Check operation of the bin thermostat ICEMAKER CLEANING a Remove the top panel b Remove all ice from the storage bin c Close the water supply shut off valve d Fill tilting pan with a solution of water and citric acid 200 400 grs of citric acid in one litre of water and by means of a brush clean the inside of the tilting and the evaporator fingers Start the icemaker to tilt the pan rinse with clean water in abudance and repeat cleaning three times 10 e Add hot water to the ice storage bin and thoroughly wash and rinse all surfaces within the bin f Clean and sanitize the ice storage bin frequently PARTS REPLACEMENT PROCEDURES A ADJUSTABLE LEGS FOR N55S N90L MODELS Using the couplings and adjustable feet supplied and screwing them on the base nipples the icemaker can be placed at 9 5 cm abt from ground level Extended feet are available on request to adjust the ice maker at 16 cm about from ground level A kit of exten sion feet can be supplied on request also for the N35S model The adjustment should be performed during initial instal lation of the cabinet and
32. registration card the factory INSTALLATION LOCATE AND LEVELLING This icemaker is designed to be installed in rooms with temperatures between 10 C and 40 C Operating for long period out of these limits will vaid your warranty program Before installing the machine make sure that The ambient temperature must not fall bellow 10 C 50 F or above 40 C 100 F The mains water temperature must not fall below 5 C 40 F or above 40 C 100 F Machine is away from sources of heat and in a suf ficiently ventilated area leave at least 8 inches 20 cms between the machine on the back and the two sides and the wall Machine is correctly levelled in both the left to right and front to rear directions by means of the adjustable legs WATER SUPPLY CONNECTIONS The mains water pressure must not fall below 1 atm 14 Psi or above 5 atms 70 Psi If pressure is above 5 atms a pressure regulator shoult be fit ted on the water supply machine Fix a flexibile palstic pipe with an inside diameter of 20 mm and adequate lenght to reach and open vented drain to the waste pipe fitting In the water cooled machine it must also be conected to the second pipe fitting that conveys water coming from the condenser to the drain Level of main drain must be sufficiently below ice maker waste outlets to ensure free flow of waste water The drain recptacle should be an open trapped or vented construction see skech N
33. the Relay to the box same Remove the Relay or the Thermostat in this last case remove the supports securing the bulb in the storage bin first the lift it from the storage bin through the prop er slit To install the replacement thermostat or relay follow previous steps in reverse N TECHNICAL DATA FOR ICE CUBES MACHINE N LINE MACHINES AT 32iC ROOM TEMPERATURE MEDIUM AND MAXIMUM ABSORBITION ON THE 40 AYNLIWHAdWAL LNAISWV ANY 291 40 SYNLVYAdWAL YILYM HOS SIULIT NI CISSIHAXI 2 8 40 AYNLVYAdWAL NOILVYOdWAS LY YIMOd 8 621 06 zz 81 6 01 6 vo ve Web MOIN 6l 621 06 Li 96 8 veel 621 09 bl 6 s 6 vse veel MSOGN 6 1 09 91 s SI vo wz oly a veel WSO6N 2 5 ov 621 09 21 6 9 6 ve Wet MSOZN 8 6 621 09 zI vee vog 098 5 Le 61 68 91 6 8 6 ve vse ove Wet 2 BLL SE 91 6 S el vee vee Ove 55 di ver Le 81 8 6 vez vog 4 vena veek ISSN 8 1 6 1 9 91 6 9 ve vos 096 Fda since Le SIL 81 s 6 vez vog oleate
Download Pdf Manuals
Related Search