Home

IM-240DME IM-240DWME IM-240DSME IM-240XME IM

Contents

1. _ 550 _ AN IN _ _25 q RS Pte ATR 5 209 1081 I Wee ET 60 WATER OUTLET 41 T S WATER INLET E os d 25 Ar 03 RUE SUPPLY CORD 2m LONG OUTSIDE e IM 240XWME Water cooled cn 2 097 _ 672 204 61 zd MIL Spore WATER OUTLET E 7 FE hel 1 N f COOLING WATER LA Re 1 2 N COOLING WATER OUTLET Rc 1 27 1081 99 18 Ni al 01 20WER SUPPLY CORD m LONG OUTSIDE 20 f IM 240XSME Remote Air cooled E W E EE P m h Bu DOWER SUPPLY CORD 2m LONG OUTSIDE WATER OUTLET FAN MOTOR WIRING CORD ibn dE 1082 Im LONG OUTSIDER 59 N WATER INLET E l j 15 fF ao 3 lt gt a 2 1 ACCESS VALVE IN ACCESS VALVE QUT g IM 240AME Air cooled 19 WATER INLET 14 WATER OUTLET AIR AIR c 24 560 700 72 N 48 AIR e 18 AIR z gt POWER CORD 2000 LONG OUTSID
2. 28 b 240 29 4 STACKING ICEMAKERS 30 5 ELECTRICAL 65 32 6 REMOTE CONDENSER UNIT Remote Air cooled Model Only 33 a UNPACKING 33 b LOCATION 34 c INSTALLATION 34 d ELECTRICAL CONNECTIONS een 37 e STACKING CONDENSER UNITS 38 7 WATER SUPPLY AND DRAIN CONNECTIONS 38 B FINAL CHECK LIGT 2 u u arcte 43 1 START UP 44 2 PREPARING THE ICEMAKER FOR LONG STORAGE 46 3 BIN CONTROL 47 a BIN CONTROL SWITCH ASSEMBLY 47 b REMOVAL
3. 10 b IM 240DWME IM 240XWME 11 c IM 240DSME IM 240XSME 12 d IM 240AME 13 e IM 240AWME 14 2 CONTROLLER 15 CONTROLLER BOARD LAYOUT 16 b BEFORE CHECKING CONTROLLER BOARD 18 c SEQUENCE LED INDICATORS ON OFF PATTERN 19 d FAULT DIAGNOSIS 20 e CONTROLS AND ADJUSTMENT 22 FAN MOTOR CONTROL DME XME AME ONLY 24 Ill INSTALLATION INSTRUCTIONS 25 1 UNPACKING 25 2 1 27 INSTALLATION 28 a IM 240D IM 240X
4. 62 3 PERFORMANCE 63 SERVICE 5 66 1 NO ICE PRODUCTION 66 2 LOW ICE PRODUCTION 69 3 ABNORMAL ICE 70 4 OTHERS 71 VIIL ADJUSTMENT 72 1 EXPANSION VALVE 72 2 WATER REGULATING VALVE WATER COOLED MODEL ONLY 73 IX REMOVAL AND REPLACEMENT 74 1 SERVICE FOR REFRIGERANT LINES 74 a SERVICE INFORMATION 74 b REFRIGERANT RECOVERY 75 c EVACUATOIN AND RECHARGE 75 2 55
5. X JJO EX 340 ZIX NO 2X NO X P oes NO NVA aiqeisnipy NOWOION dnd YAWIL dn ova e oKo 22294 JJO peddui 880 ZIX JJO X uonisod 373384 0 NO X 3dO 21 X JHO EX eX NO p uslul z 1 s 931 p 140 15 041002 eqno dn slunoo dnyoeg U9IIMS 19598 NO 19 d FAULT DIAGNOSIS Check the status of the Service Lamp on the Controller Board LED 5 See SEQUENCE by removing the Control Box Cover Lamp ON Water Plate closed This tends to indicate the Back up Timer has stopped machine operation during the freeze cycle High ambient and water temperatures are an obvious cause But check out each component that could result in an extended freezing time See guide below Lamp ON Water Plate open The Timer has stopped the machine because of an excessive defrost time See the guide below to check out the probable cause Lamp flashing ON OF If on the first cycle check out the Cam operation and or Toggle Switch If the machine has been in service for some time the Controller Board may be at fault REMEMBER Hoshizaki controllers are very reliable They also control every component s operation So if a component malfunctions the contro
6. Keep away from Keep away from the Water Plate or Drain Pan water plate or to prevent jamming Fig 37 BIN CONTROL SWITCH ASSEMBLY Bracket Microswitch 227 Switch Actuator Bracket Cover Detector Fig 38 47 b REMOVAL BRACKET COVER Z Push the two Pawls and remove the Bracket Cover SWITCH A 2 Pull out the Switch holding the Rubber Leads Cap Handle with care SWITCHACTUATOR Insert a flat blade screwdriver and wrench it slightly to pull out the Switch Actuator Handle with care to prevent damage to the cam surface of the Actuator DETECTOR Push out the Detector holding the Switch Actuator 1 REASSEMBLING SWITCHACTUATOR Insert the lower Shaft and push it along the U Notch Check that the Switch Actuator moves free SWITCH amp BRACKET COVER Place the Switch Lever first and then attach the Switch in position Insert the guide and push the Bracket Cover to lock 48 V MAINTENANCE INSTRUCTIONS WARNING Before carrying out any cleaning or maintenance operations unplug the icemaker from the electrical supply network Before handling or using cleaning solutions check the guidelines on the product for advice on suitable personal protective clothing gloves goggles etc Clean and sanitize the icemaker water system at least twice a year and check and clean the Condenser at least once a year 4 This appliance mus
7. 97 SPECIFICATIONS 1 DIMENSIONS CONNECTIONS a IM 240DME Air cooled 550 AIR PIN 225 di UM 22 AIR lt lt AM V f AIR E 62 1084 220 81 WATER INLET 18 L 63 47 POWER SUPPLY CORD 2m LONG OUTSIDE b IM 240DWME Water cooled OUTLET Rc 72 100 u _ 1054 675 li 62 5 7 5235 e WATER INLET ig 4 62 4 ER COOLING WATER A INLET Re 1 2 x N COOLINC WATER 11 D POWZR SUPPLY CO NL 66 2m LONG OUTSIDE c IM 240DSME Remote Air cooled Er FR POWER SUPPLY CORD 2m LONG OUTSIDE FAN MOTOR WIRING CORD Im LONG OUTSIDE EE 1084 4 4 e caf 1 65 1 3 TUN N WATER INLET EBENEN a 03 4 EE ACCESS VALVE IM ACCESS VALVE QUT d IM 240XME Air cooled
8. 77 3 DRIER 78 4 EXPANSION VALVE 79 5 EVAPORATOR 80 6 GAS VALVE 81 a VALVE BODY lili ili ii nennen 82 b WHOLE VALVE i nn n nnne 82 8 WATER PAN 55 84 9 PUMP MOTOR 86 10 WATER VALVE u e eee eene n nne e nnne nnn nennt 87 11 88 12 GAM ARN ease e 89 a CAM ARM ACTUATOR MOTOR SIDE 89 b CAM ARM B REAR SIDE lI iii a 89 13 ACTUATOR TOGGLE SWITCH 90 14 CONTROLLER BOARD 93 a MODIFICATION l enne 93 b REPLACEMENT esses sess sss ene 93 15 THERMISTOR FOR CUBE CONTROL 95 16 SURGE ABEGRBER III III e nene nn een 96 17 FAN MOTOR DME XME ONLY 97 18 FAN MOTOR DSME XSME ONLY
9. BOARD will not start or Condenser operates 2 Ambient or condenser 2 Check for recommended intermittently water temperature too temperatures warm water cooled 3 Condenser water 3 Check for recommended pressure too low or OFF pressure water cooled 4 Water Regulating Valve 4 Adjust it lower set too high water cooled 7 Refrigerant line or 7 Clean and replace Drier componenis plugged 8 Bad contacts 8 Check for continuity and replace 9 Tighten b Water Regulator 1 Set too high 1 Adjust lower water cooled 2 Clogged or defective 2 Clean or replace 66 PROBLEM CHECK POSSIBLE CAUSE REMEDY 2 Continued Protector replace voltage or undercharged e Start Capacitor 1 Defective 1 Replace or Run Capacitor f Magnetic 1 Bad contacts 1 Check for continuity and Contactor replace 2 Coil winding opened g Compressor 1 Wiring to Compressor 1 Check for loose connection or open and replace 2 3 Compressor a Control Circuit 1 Loose connection or 1 Repair or replace runs but other broken wire components will not start not run broken wire d th Thermistor 1 See Il 2 CONTROLLER BOARD 3 War Sa Board continues to be 52 close with icemaker OFF supplied in Board 1 Defective 1 See Il 2 CONTROLLER freeze cycle BOARD 6 Water does not Water pressure too low circulate ce and water level in
10. positions See Il 2 6 BEFORE CHECKING CONTROLLER BOARD 11 Replace the panels in their correct positions 12 Plug in the icemaker or connect the power source 88 12 a ARM A ACTUATOR MOTOR SIDE Refer to 11 ACTUATOR MOTOR b CAM ARM B REAR SIDE 1 Remove the Top Panel and Front Panel 2 Push the Reset Switch on the Control Box to open the Water Pan 3 Unplug the icemaker or disconnect the power source 4 Remove the Extension Spring from the Cam Arm B 5 Remove the Split Pin from the Cam Shaft 6 Remove the Cam Arm 7 Install the new Cam in the reverse order of the removal procedure 8 Replace the panels in their correct positions 9 Plug in the icemaker or connect the power source 89 13 ACTUATOR TOGGLE SWITCH 1 Unplug the icemaker or disconnect the power source 2 Remove the Top Panel and Front Panel 3 Remove the Hex Nut holding the Actuator Toggle Switch 4 Cut off the Nylon Tie holding the Vinyl Cover Bag 5 Disconnect the Receptacle of the leads 6 Install the new Actuator Toggle Switch in the reverse order of the removal procedure Note Be sure to secure the Vinyl Cover Bag 7 Replace the panels in their correct positions 8 Plug in the icemaker or connect the power source 90 Fig 54 ICEMAKING ASSEMBLY AND CAM MECHANISM INDEX NO N 0 DESCRIPTION Water Pan Assembly Evaporator Bolt Collar
11. Ambient Temp C IM 240DME IM 240XME Defrost Cycle Time mi 6 35 25 2 Water Consumption lit h 48 8 30 19 12 3 Head Pressure peak bar IM 240DME 21 IM 240XME 21 Head Pressure peak bar IM 240DME 23 Ice Production kg d IM 240XME 23 Freeze Cycle Time min Defrost Cycle Time min 5 3 2 2 ectric Consumption 112 1200 1330 1450 Head Pressure bar 16 175 22 26 IM 240DME 32 Ice Production kg d IM 240XME 32 Freeze Cycle Time min Defrost Cycle Time min 4 35 25 Water Consumption lit h 12 2 Electric Consumption 1450 Head Pressure peak 26 m W 222 IM 240DME Ice Production kg d 175 IM 240XME Freeze Cycle Time min 24 5 W e dg 2 23 2 1 Defrost Cycle Time min 5 3 2 2 Bi 2069 0 16 4 5 16 23 21 2 31 2 20 9 13 9 1640 ba 18 18 23 24 180 210 180 11 14 5 2 18 23 21 60Hz Water Consumption lit h Electric Consumption Head Pressure peak IM 240DME 21 Ice Production kg d IM 240XME 21 Freeze Cycle Time min Defrost Cycle Time min 60Hz Water Consumption lit h Electric Consumption W N 2 180 210 180 155 2 16 5 a aussi usa usss 655 35 228 197 1640 Head Pressure peak bar 18 18 23 24 IM 240DSME Ice Production kg d 170 IM 240XSME Freeze Cycle Time min 21 195
12. D 01 RECEPTACLE D n O eet R a Z ior CONTR J RELAY D 0 WBU CONTROL D 7 GROUNDED t i THERMISTOR UI T Xo ACT aS w TRANS TOGGLE BK BLACK M aot xi SWITCH BK W BLACKw WHITE COMP BE ER QRANGEwZBLAGK i E E CONNECTOR W E W Y WHITEW YELLOW D G G GY GRAY Z 1 BR W 7 CONDENSING P4 aw BLACK VATER rue UNIT 3 5 7 w BLAC OLENOID SOLENOID VALVE e VALVE 4 BU BLUE W R WHITEW RED GR Y GRBENw YELLOW 9 O W ORANGE WHITE p d IM 240AME IM 240AWME WIRING DIAGRAM IM 240AME SEE NAMEPLATE FOR POWER VOLTAGE REQ GROUNDED BK BLACK BE W BLACKw WHITE BROWN O BK ORANGEW BLACK W Y WHITEW YELLOW GY GRAY LBU LIGHT BLUE O ORANGE P PINK V VIOLET W WHITE W BK WHITEW BLACK W BU WHITEW BLUE P BK P INKv BRACK DN PRA NGE WEITE BU Y BLUE YELLOW BU W BLUB WHITE WIRING DIAGRAM IM 240AWME POWER SUPPLY SEE NAMEPLATE FOR POWER VOLTAGE REQ q GROUNDED BK BLACK BK W BLACKw WHITE BR BROWN O BK ORANGEW BLACK W Y WHITE YELLOW GY GRAY LBU LIGHT BLUE 0 Q W ORANGE WHITE EU PLUG 62 3 Ice Production Capacity when shipped factory Values for icemaking water only Use a cooling tower for cooling water
13. HOSHIZAKI MODULAR CUBER MODEL IM 240DME IM 240DWME IM 240DSME IM 240XME IM 240XWME IM 240XSME IM 240AME IM 240AWME SERVICE MANUAL 5 SPECIFICATIONS 1 1 5 1 IM 240DME Air cooled 1 b IM 240DWME Water cooled 2 c IM 240DSME Remote Air cooled 3 d IM 240XME Air cooled 4 e IM 240XWME Water cooled 5 f IM 240XSME Remote Air cooled 6 g IM 240AME Air cooled 7 h IM 240AWME Water cooled 8 2 CONDENSER UNIT URC 240C E 9 Il GENERAL INFORMATION 10 1 CONSTRUCTION 10 a IM 240DME IM 240XME
14. R RED V VIOLET IM 240DME SURGE ABSORBER W R e PRESS W BU P BK CONNECTOR d oLEDS SERVICE CALL LAMP CONNECTOR RELAY X3 THERMO CUBE CONTROL THERMISTOR WATER SOLENO ID CONNECTOR CONTROLLER BARD P CONTROL SWITCH SWITCH ur POET um W WHITE W BK WHITEw BLACK W BU WHITEw BLUE BK FINEN RACK 1 BU Y BLUE YELLOW RELAY he MOT m m P ACT 0 8F BU W BLUE WHITE WIRING DIAGRAM Op BR POWER SUPPLY SEE NAMEPLATE FOR POWER VOLTAGE REQ MAGNETIC TOR NEUTRAL BK W GROUNDED BK BLACK BK W BLACKw WHITE BR BROWN O BK ORANGEw BLACK W Y WHITEw YELLOW GY GRAY LBU LIGHT BLUE O ORANGE IM 240XME SURGE ABSORBER W R HI PRESS P BK WASH I NG SWITCH BYMETAL THERMO CUBE CONTROL THERMI STOR NTROLLER P n D W BK WH TIER BERE W BU WHITEw B P BK PINKw B RACK BU BLUE W R WHITEw RED GR Y GREENw YELLOW Y YELLOW BU Y BLUE YELLOW VALVE 5 ayy CO ud 5 0uF BU W BLUE WHITE EU PLUG 99 1 BR POWER SUPPLY SEE NAMEPLATE FOR POWER VOLTAGE REQ WIRING DIAGRAM b IM 240DWME IM 240XWME IM 240DWME BU NEUTRAL GROUNDED BK BLACK BK W BLACKw WHITE BR
15. 48 c REASSEMBLING 48 V MAINTENANCE INSTRUCTIONS 49 1 PERIODICAL CLEANING 49 2 WATER VALVE 51 WATER COOLED CONDENSER 52 4 ICEMAKING WATER SYSTEM 53 VI TECHNICAL INFORMATION 56 1 WATER CIRCUIT AND REFRIGERANT CIRCUIT 56 a IM 240DME IM 240XME IM 240AME Air cooled 56 b IM 240DWME IM 240XWME Water cooled 57 c IM 240DSME IM 240XSME Remote Air cooled 58 2 WIRING DIAGRAM 59 a IM 240DME IM 240XME 59 b IM 240DWME IM 240XWME 60 c IM 240DSME IM 240XSME 61 d IM 240AME IM 240AWME
16. Drain Pan 2 CONTROLLER BOARD Note Refer to the Hoshizaki IM Cuber Controller Board Service Manual E1AX 676 for the new Controller Board used for the later models from Auxiliary Code E 1 IMPORTANT If receiving a service call ask the user to turn off the power to the icemaker and turn it on again while watching the icemaker This will reset the controller and in some cases normal operation will resume CAUTION Check that the icemaker has been earthed properly If not the Controller Board will not work properly Do not change wiring and connections or the Controller Board will not work properly Do not touch the reverse side of the Controller Board and tiny electronic devices on it Do not repair the electronic devices and parts on the Controller Board in the field Replace the whole board assembly when it fails 5 To get static free always touch the metal part of the icemaker before servicing Electrostatic Discharge will cause severe damage to the Controller Board 6 The Signal Ground Wire must be connected to the Shield Plate when replacing the Controller Board after service 7 The Controller Board is fragile Handle with care Do not drop the board on the floor Make sure that the board is placed correctly into the guides in the Control Box Mis alignment could cause breakage when replacing the Control Box Cover Handle the board by the edges only Do not touch the electric parts a
17. Hexagon Open the liquid and gas line valves by turning Wrench H4 x the Spindle with a hexagon wrench until fully Ops onan 2 FY Spindle 7 Refit the Cap Nuts to a torque of 25 3 Nm 8 Check the Cap Nuts Port Caps and flare joints for gas leaks with a detector or soap bubbles Copper Tube 9 Insulate the joints and seal them for water tightness Fig 20 Condenser Unit Icemaker Liquid Line Power Cord Pipe Insulation Fan Motor Leads Access Valve Pipe Insulation Gas Line Junction Box Fan Motor Leads inside Access Valve SS Liquid Line Fan Motor NG Wiring Cord Note When removing or installing the Nuts on the Access Valves hold the flat surfaces of the valve with a spanner as shown below Fig 21 Access Valve Flat Surface 36 d ELECTRICAL CONNECTIONS WARNING THIS APPLIANCE MUST BE EARTHED This remote Condenser Unit requires an earth that meets the national and local electrical code requirements To prevent possible severe electrical shock to individuals or extensive damage to equipment install a proper earth wire to the icemaker and ensure continuity to the Condenser This Condenser Unit must be connected to the Fan Motor Junction Box on the icemaker Usually an electrical permit and services of a licensed electrician are required 1 Remove the two screws and the Junction Box Cover of the Condenser Unit See Fig 23 2 Connect the Fan
18. See Il 2 CONTROLLER BOARD Controller Board 4 OTHERS PROBLEM CHECK POSSIBLE CAUSE REMEDY 1 Icemaker will a Bin Control Bin is filled with replace ice 2 Abnormal noise c Fan Motor 3 Fan Blade does not move 3 Replace freely d Compressor 1 Mounting pad out of 1 Reinstall position other surfaces Bin often melts 4 Fan Motor 1 LR 1 Replace does not post change speed b Fan Relay X6 1 E MN contacts or 1 Replace DME XME defective coil 71 VIII ADUUSTMENT 1 EXPANSION VALVE The Expansion Valve is factory adjusted Do not adjust it except at replacement or service Adjust the valve setting if necessary as follows 1 Remove the Cap Nut 2 Rotate the Adjust Screw 3 Watch holes of ice cubes produced Standard setting is that Evaporator inlet side and outlet side cubes have almost the same diameters To make the inlet side larger rotate 90 180 clockwise Smaller counterclockwise Do not rotate more than 180 a time CAUTION Over adjustment of the valve may result in liquid refrigerant return causing freezing to the suction line and severe damage to the Compressor Bulb Adjust Screw Bottom View Cap Nut Capillary Tube Solder Connection Fig 47 72 2 WATER REGULATING VALVE WATER COOLED MODEL ONLY The Water Regulating Valve is factory adjusted Do not adjust it except at replacement service Adjust the valve setting
19. Spacer Bearing Actuator Motor Actuator Toggle Switch Shaft Switch Cover Actuator Motor Bracket Cam Shaft Bearing Spring Pin Cam Arm B Cam Shaft Snap Pin Split Pin Spring Washer A Washer B Washer C Thermistor Holder Label for Overflow Pipe Thermistor Cube Control Washer Nylon Tie Frame Frame Wire Saddle Washer Cam Arm A Change Lever Machine Screw 92 14 CONTROLLER BOARD IMPORTANT A single type Controller Board is supplied as a Service Board Some modifications and adjustment will be required to fit the icemaker models Do not repair any parts and electronic devices on the Controller Board in the field Replace the whole board with a new Service Board a MODIFICATION 1 Check that the Service Board package includes Controller Board 1 pc Instruction Sheet 1 pc 2 Modify the Service Board referring to the Instruction Sheet attached b REPLACEMENT 1 Unplug the icemaker or disconnect the power source 2 Remove the Front Panel 3 Remove screws and the Control Box Cover 4 Pull the Shield Plate slightly toward you and disconnect the Signal Ground wire 5 Pull out the Controller Board half way and disconnect the Connectors K1 K2 K3 and 6 Pull out and remove the Controller Board from the Control Box 7 Install the new Controller Board and reassemble the Control Box in the reverse order of the removal procedure 8 Replace the Front Panel in its cor
20. To prevent possible severe electrical shock injury to individuals or extensive damage to equipment install a proper earth wire to this icemaker Remove the plug from the mains socket before any maintenance repairs or cleaning is undertaken This icemaker must have a separate power supply or receptacle of 220 240V Stacked icemakers should each have a separate receptacle but they must all be connected in parallel to the same single phase supply or circuit with sufficient ampacity In addition and to avoid nuisance tripping individual circuit breakers for each machine should not be used The main control box fuse is rated at 5A and should only be replaced by a qualified service engineer Usually an electrical permit and services of a licensed electrician are required If the supply cord and the plug should need to be replaced it should only be done by a qualified service engineer For the U K and the Republic of Ireland only The wires in the mains lead are coloured in accordance with the following code Green amp Yellow Earth Blue Neutral Brown Live As the colours of the wire in the mains lead of this appliance may not correspond with the coloured markings identifying the terminals in your plug proceed as follows The wire which is coloured Green and Yellow must be connected to the terminal in the plug which is marked with the letter E or by the symbol or coloured Green or Green and Yellow The wire
21. 215 25 Electric Consumption W 1120 1200 1330 1450 Head Pressure peak bar IM 240DSME 23 IM 240XSME 23 5 19 3 18 11 2 5 35 18 Electric Consumption W 1120 1200 1330 1450 Head Pressure peak bar Ice Production Capacity when shipped from factory 63 Values for icemaking water only Use a cooling tower cooling water Ambient Temp C Water Temp C 32 IM 240DWME Ice Production kg d 205 202 196 175 IM 240XWME Freeze Cycle Time min 24 Defrost Cycle Time min 2 5 Water Consumption lit h 16 8 Electric Consumption W 1330 Head Pressure peak bar 19 6 IM 240DWME 21 IM 240XWME 21 19 5 3 25 3 20 on dl 1330 19 6 IM 240DWME 23 150 IM 240XWME 23 21 Defrost Cycle Time min 35 3 25 2 144 ion W IM 240DWME 32 152 IM 240XWME 32 Freeze Cycle Time 235 25 277 293 Defrost Cycle Time mi 3a 3 2 2 Water Consumption lith 211 20 112 106 1330 19 6 IM 240DWME Ice Production kg d IM 240XWME 23 Defrost Cycle Time min 35 3 25 25 60Hz 18 8 Electric Consumption 1250 1260 1300 1330 mi Head Pressure peak bar 19 6 mi min 3 1550 Head Pressure peak bar 20 IM 240DWME 21 180 IM 240XWME 21 2 60Hz 21 5 1550 Head Pressure peak bar 20 IM 240AME 23 160 18 14 4 1420 Head Pressure peak bar 26 IM 240AWME
22. 23 160 18 4 60Hz 2 13 8 Electric Consumption W 1550 64 Suction Pressure and Evaporator Tem 50 60Hz MODEL Ambient Temp 0 21 32 38 15 21 32 Suction rd 240 M type Peak bar idi Sx gt R404A n Inlet Ea 49 48 47 Temp Note The above data are only for reference in servicing Actual readings may be slightly different for each product Suction Pressure Peak readings in freezing cycle Evaporator Inlet Temp 5 minutes before completion of freezing cycle 65 VII SERVICE DIAGNOSIS 1 NO ICE PRODUCTION PROBLEM CHECK POSSIBLE CAUSE REMEDY 1 The icemaker a Power Source 1 OFF position 1 Move to ON position will not start 3 Bad contacts 3 Check for continuity and replace b Power Cord 1 Tighten 2 Open circuit damaged 1 Blown out 1 Replace d Bin Control 1 Tripped with Bin filled with ice repair or replace e High Pressure 1 Bad contacts 1 Check for continuity and Control replace 1 Coil winding opened 9 Wiring to 1 Loose connections or 1 Check for continuity and Controller Board open replace h Thermistor 1 Leads short circuit or 1 See ll 2 BEFORE open and High CHECKING Temperature Safety CONTROLLER BOARD Timer operates i Hot Gas 1 Continues to open in 1 Check for power OFF in Solenoid Valve freeze cycle and High freeze cycle and replace Temperature Safety Backup Timer operates
23. BROWN O BK T NEE PEA E W Y WHIT LLOW GY GRAY LBU kient BLUE ITE W BK WHITEW BLACK W BU WHITEw BLUE P BK P INKw BRACK BU BLUE W R WHITEw RED GR Y GREENW YELLOW O W ORANGE WHITE POWER SUPPLY SEE NAMEPLATE FOR POWER VOLTAGE REQ BU NEUTRAL GR Y J GROUNDED BK BLAC BKA BLACKwAWH ITE OWN 0 BK ORANGEW BLACK W Y WHITEw YELLOW GY GRAY LBU LIGHT BLUE O ORANGE WHITE W BK WH ITEV BEAC W BU WHITEw B P BK P1 Nkw BRACK BU BLUE W R WHITEw RED GR Y GREENW YELLOW O W ORANGE WHITE MAGNETIC CONTACTOR 5 T O o CONTROL THERMISTOR CONTROLLER DIAGRAM MAGNETIC CONTACTOR Q BK WATER SOLENOID VALVE 7 7 SURI ABSORBER WR CONTROLLER BOARD CUBE CONTROL THERMISTOR 60 c IM 240DSME IM 240XSME WIRING DIAGRAM IM 240DSME SURGE W j ABSORBER WR HI PRESS P BK W BU BOARD gus is CONECTOR m BAN 1 OZER P c CONNECTOR ERVICE Ke BRET LAMP D CONNECTOR B WASHING i SWITC JQ RELAY 3 werf FUSE 4 BIN B e CONTROL D SWITCH 19 a s 2 cm DHE U Sm gt CONTROL GROUNDED 3 THERMISTOR i POWER SUPPLY SEE NAMEPLATE FOR POWE
24. Water pressure Tank too low b Water Solenoid 1 Dirty mesh filter or orifice 1 Clean oe and water level in Water Tank too low 2 Replaee 3 Wiring to Water Valve 3 Check for loose connection or open and replace water leaks and repair 2 Clogged 2 Clean See V 4 SYSTEM d Pump Motor 3 Wiring to Pump Motor 3 Check for loose connection or open and replace 67 PROBLEM CHECK POSSIBLE CAUSE REMEDY 6 Continued 4 Defective or bound 4 Replace and clean impeller 5 Seal 5 BOARD Switch run but no ice recharge recharge 1 Defective valve 1 Replace Compressor c Hot Gas 1 Continues to open in 1 Check and replace Solenoid Valve freeze cycle gt Water Un pressure not open broken wire b Actuator Toggle 1 Defective 1 Replace Switch c Actuator Motor 1 Defective 1 Replace Run Capacitor d Thermistor 1 See Il 2 CONTROLLER BOARD Controller Board 9 Water Pan will a See 8 above not close b Hot Gas Valve 1 Defective 68 2 LOW ICE PRODUCTION 1 cycle a Water Supply to 1 Low pressure 1 Check for recommended long water cooled b Ambient or 1 Too high 1 Check for recommended Water temperatures Temperature contains impurities scale treatment Cooling Water Tubing Charge undercharged check for leaks Circuit recharge cor
25. if necessary as follows 1 Attach a pressure gauge to high side line or prepare a thermometer to check Condenser drain temperature 2 Rotate the Adjust Screw usino a flat blade screwdriver so that the pressure gauge shows 19 bar or the thermometer reads 38 40 5 minutes after Freeze Cycle starts When the pressure or temperature exceeds the above rotate the Adjust Screw counterclockwise 3 Check that the pressure or temperature holds Adjust Screw Adjust Screw Valve Body I Flare Top View Connection Bellows Capillary Tube Fig 48 73 IX REMOVAL REPLACEMENT 1 SERVICE FOR REFRIGERANT LINES a SERVICE INFORMATION 1 Allowable Compressor Opening Time and Prevention of Lubricant Mixture R404A The compressor must not be opened more than 30 minutes in replacement or service Do not mix lubricants of different compressors even if both are charged with the same refrigerant except when they use the same lubricant 2 Treatment for Refrigerant Leak If a refrigerant leak occurs in the low side of an ice maker air may be drawn in Even if the low side pressure is higher than the atmospheric pressure in normal operation a continuous refrigerant leak will eventually reduce the low side pressure below the atmospheric pressure and will cause air suction Air contains a large amount of moisture and ester oil easily absorbs a lot of moisture If an ice maker charged with R404A has possibly drawn in air t
26. positions INDEX NO DESCRIPTION Pump Motor Retainer Mechanical Seal O ring Fixing Plate for O ring Packing Impeller Pin Cover 10 WATER VALVE 1 Close the water supply tap 2 Unplug the icemaker or disconnect the power source 3 Remove the Top Panel and Front Panel 4 Disconnect the Receptacle leads from the Water Valve 5 Remove the Valve Outlet tubing by releasing the Clamp 6 Remove the Inlet Hose and Water Valve 7 Install the new valve in the reverse order of the removal procedure 8 Open the water supply tap 9 Plug in the icemaker or connect the power source 10 Check for leaks 11 Replace the panels in their correct positions Note When replacing parts disassemble as shown in Fig 41 page 51 and replace the defective parts 87 11 ACTUATOR MOTOR 1 Remove the Panel and Front Panel 2 Push the Reset Switch on the Control Box to open the Water Pan 3 Unplug the icemaker or disconnect the power source 4 Remove the Extension Spring Actuator Motor side from the Cam Arm 5 Disconnect the Actuator Motor leads in the Wiring Channel 6 Remove the Actuator Motor Bracket 7 Remove the Spring Pin securing the Shaft to the Cam Arm 8 Remove the Actuator Motor 9 Install the new Actuator Motor in the reverse order of the removal procedure 10 Check and adjust so that the Cam Arm normally moves the Actuator Toggle Switch to the FREEZE and DEFROST
27. the refrigerant and store it in a proper container if required by an applicable law See 1 6 REFRIGERANT RECOVERY 4 Remove the Water Pan Assembly referring to 8 WATER PAN ASSEMBLY 5 Disconnect the solder connections on the Evaporator using brazing equipment Protect the Expansion Valve from excessive heat 6 Remove four nuts holding the Evaporator 7 Install the new Evaporator and secure it with the Bolts Collars Spacer and Nuts 8 Install the new Drier See 3 DRIER 9 Braze pipes with nitrogen gas flowing at the pressure of 0 2 0 3 bar 10 Check for leaks using nitrogen gas 10 bar and soap bubbles 11 Evacuate the system and charge it with refrigerant See 1 EVACUATION AND RECHARGE 12 Replace the removed panels in their correct positions 13 Plug in the icemaker or connect the power source 80 6 HOT GAS VALVE IMPORTANT Always install a new Drier every time the sealed refrigeration system is opened Do not replace the Drier until after all other repair or replacement has been made 1 Unplug the icemaker or disconnect the power source 2 Remove the Top Front and Right Side Panels 3 Recover the refrigerant and store it in a proper container if required by an applicable law See 1 6 REFRIGERANT RECOVERY 4 Disconnect the Hot Gas Valve leads 5 Remove the screw and the Solenoid Coil 6 Remove the valve and Drier using brazing equipment
28. the spirit level See Fig 9 29 Bottom Plate Adjustable Legs Fig 6 Mounting Fig 7 Bracket Unit Frame Ice Chute Mounting Frame Drain Pipe Collar Packing Washer D o o Drain Pan B Bolt gt 49 Adjust legs Fig 9 4 STACKING ICEMAKERS IM 240D IM 240X ONLY WARNING Check the icemaker models A D type icemaker and an X type icemaker will be required for stacking two icemakers A D type icemaker and two X type icemakers will be required when stacking three icemakers The D type icemaker is designed for the upper unit and the X type for the middle and lower units The D type and X type icemakers are provided with two different types of Bin Control Switch Use the Bin Control Switch of the lower X type icemaker only when stacking icemakers The Bin Control Switch must be removed from the upper and middle units Connection of the Bin Control from the lower and middle to the upper unit will require additional connecting leads which are supplied with the X type icemaker Misconnection or no connection may cause serious damage to the icemaker units resulting in failure 1 Prepare and position the Storage Bin as detailed in 1 and 2 in 3 INSTALLATION 2 Remove the icemaker panels The Rear Panelis not required to be removed for installation See 1 UNPACKING 3 Move the icemaker carefully to prevent damage to the icemaker frame 4 Remove the shipping tape hol
29. 2 Cam Arm A broken Replace 259 va Cam Arm Defective Actuator Replace Motor he ctuator la Y Motor M Pin Cam Pin damaged Replace Cam Pin and Cam Arm A S 2 Defective Cube Control Thermistor Replace e CONTROLS AND ADJUSTMENT 1 Cube Control VR5 A cube control on the Controller Board is factory adjusted to produce constant cubes all year around When the user needs ice cubes with smaller or larger diameter holes adjust the Variable Resistor VR5 Cube Control using a miniature flat blade screwdriver CAUTION When adjusting the Variable Resistor VR5 for smaller dimple cubes it may be necessary to also increase the water supply time to melt away fragments of ice obstructing the Water Plate which could prevent cubes falling into the Bin LARGER HOLE STANDARD HOLE SMALLER HOLE 2 Backup Timer VR3 A backup timer is set to stop the freezing process i when the freeze cycle time extends beyond approx 8 45 minutes high ambient water temperature LONGER Adjustment will not be required under normal use e 22 3 Defrost Control VR2 The defrost control regulates the time period between ice drop and actuator motor restart Any adjustment will not be required for normal operation Factory setting is shown in the table below When servicing or replacing the controller board adjust the Variable Resistor VR2 using a miniature
30. 7 Braze the new Hot Gas Valve with nitrogen gas flowing at the pressure of 0 2 0 3 bar WARNING Always protect the valve body by using a damp cloth to prevent the valve from overheating Do not braze with the valve body exceeding 120 C 8 Install the new Drier See 3 DRIER 9 Check for leaks using nitrogen gas 10 bar and soap bubbles 10 Evacuate the system and charge it with refrigerant See 1 c EVACUATION AND RECHARGE 11 Attach the Solenoid Coil to the valve body and secure it with the screw 12 Connect the leads 13 Replace the panels in their correct positions 14 Plug in the icemaker or connect the power source 81 7 WATER REGULATING VALVE WATER COOLED MODEL ONLY a VALVE BODY 1 Unplug the icemaker or disconnect the power source 2 Close the water supply tap 3 Remove the Front Panel and Right Side Panel 4 Disconnect the flare connections of the Water Regulating Valve 5 Remove the valve from the Bracket 6 Install a new Water Regulating Valve 7 Connect the flare connections 8 Open the water supply tap 9 Check for water leaks 10 Replace the panels in their correct positions 11 Plug in the icemaker or connect the power source b WHOLE VALVE IMPORTANT Always install a new Drier every time the sealed refrigeration system is opened Do not replace the Drier until after all other repair or replacement has been made 1 Unplug the icemaker or disconnect th
31. ARGE 16 Connect the Solderless Terminals and replace the Terminal Cover in its correct position 17 Replace the panels in their correct positions 18 Plug in the icemaker or connect the power source Note Hoshizaki recommends that Compressor starting electrics are always replaced at the same time as the Compressor 77 3 DRIER 1 Unplug the icemaker or disconnect the power source 2 Remove the Top Front and Right Side Panels 3 Recover the refrigerant and store it in a proper container if required by an applicable law See 1 6 REFRIGERANT RECOVERY 4 Remove the Drier Holder if any and pull the Drier toward you for easy service 5 Remove the Drier using brazing equipment 6 Braze or solder the new Drier with the arrow on the Drier in the direction of the refrigerant flow Use nitrogen gas at the pressure of 0 2 0 3 bar when brazing tubings 7 Check for leaks using nitrogen gas 10 bar and soap bubbles 8 Evacuate the system and charge it with refrigerant See 1 c EVACUATION AND RECHARGE 9 Replace the panels in their correct positions 10 Plug in the icemaker or connect the power source Note Always use a Drier of the correct capacity and refrigerant type 78 4 EXPANSION VALVE IMPORTANT Always install a new Drier every time the sealed refrigeration system is opened Do not replace the Drier until after all other repair or replacement has been made 1 Unplug the ice
32. D UNIT A STAFFORD PARK 18 TELFORD SHROPSHIRE TF3 3DJ ENGLAND PHONE 01952 291777
33. E 50 4 WATER INLET 03 4 WATER OUTLET R3 4 880 h IM 240AWME Water cooled 560 19 WATER OUTLET 14 WATER INLET 2 COOLING WATER 12 se 50 5 N 100 18 1 25 POWER SUPPLY CORD 2m LONG OUTSIDE COOLING WATER INLET Rc 171 DADA 65 60 262 165 840 xl COOLING WATER OUTLET Re1 2 WATER INLET G3 4 WATER OUTLET R3747 2 CONDENSER UNIT URC 240C E 651 44 369 426 48 5190 Ge QS P i ACCESS VALVE FAN MOTOR LEADS 380 399 SPECIFICATIONS EXTERIOR Painted Galvanized Steel DIMENSIONS W x D x H 657 x 399 x 426 mm REFRIGERANT CHARGE R404A 1000 g WEIGHT Net 20 kg CONDENSER Air cooled HEAD PRESSURE CONTROL Condensing Pressure Regulator AMBIENT CONDITION Min 1 C to Max 40 C Outdoor use GENERAL INFORMATION 1 CONSTRUCTION IM 240DME IM 240XME Louver Air Filter Top Panel Power Cord Front Panel Condensing Unit Bin Door Handle Storage Bin Optional Adjustable Legs Water Valve Actuator Toggle Switch Bin Control Switch Air cooled Condenser Water Plate Water Tank Fan Motor Compressor Pump Motor Drain Pan Act
34. Motor leads and earth wire in the Junction Box to the installed three wire cord using proper wire connectors See Fig 21 3 Secure the three wire cord in position with the Cord Grip provided Outside Gasket Nut Junction Box Fan Motor Leads inside Closed End Inside Connector Wiring Condenser Unit Fan Motor Leads N Bushing Fan Motor Wiring Cord Fig 25 Note The space in the Junction Box is limited Make the connections outside the Junction Box before securing the Cord Grip on the Condenser Unit inside by using the Nut and Bushing provided 4 Replace the Junction Box Cover in its correct position and secure it with the two screws provided 37 e STACKING CONDENSER UNITS 1 Secure the lower Condenser Unit 2 Remove the Top Panel of the lower Condenser Unit Keep the four screws for the Top Panel 3 Attach the upper Condenser Unit on top of the lower 4 Secure the upper Condenser Unit with the four screws for the Top Panel 5 Install refrigerant lines and make electrical Top Panel Upper Unit 7 Z N Screw Lower Condenser Unit connections for each Fan Motor as instructed under c and 7 WATER SUPPLY AND DRAIN CONNECTIONS For the U K only the connections must be in accordance with current requirements of the Model Water Byelaws 1986 SI No 1147 Only potable water should be used for the icemaker
35. NG INSTRUCTIONS Note Sanitizing should always be completed after cleaning or alternately as an individual procedure if conditions exist to make it necessary 14 Use a suitable container to dilute 44 ml of 5 25 sodium hypochlorite solution with 11 4 lit of water Alternatively use the Hoshizaki recommended sanitizer as directed by the relevant instructions 15 Repeat the above steps 5 6 and 7 and close the water supply tap 54 16 As soon as the Water Pan closes pour the sanitizing solution prepared in 14 carefully into the Water Pan Do not splash or spill the solution onto the other parts 17 Circulate the solution for 15 minutes Open the water supply tap and repeat the above steps 6 and 7 18 When the Water Pan closes again pour clean water into the Water Pan until it floods from the Overflow Pipe and circulate the water for 5 minutes 19 Repeat the above steps 6 7 and 18 at least three times to rinse thoroughly 20 Move the Tank Drain Pipe to the normal position and secure it with the screw See Fig 36 21 Repeat the above steps 6 and 7 again When the WASH icemaker stops move the Washing Switch to the ICE position See Fig 46 The icemaker will resume icemaking process ICE 22 Replace the Front Panel and Top Panel in their correct positions Fig 46 23 Complete Storage Bin cleaning as detailed in V 1 8 IMPORTANT Be sure to operate the Bin Control Sw
36. R VOLTAGE REQ BU 9 NEUTRAL GR Y BK BLACK cdd SWITCH BKAW BLACKw WHITE Xi I BR BROWN CONNECTO O BR ORANGE BLACK AUR w HITEw YELLOW 5 DOO QE Y VIOLET n MES WATER HOTGAS K w BLACK S NI W BU WHITEw BLUE ud P BE PINKw BRACK 2d BU BLUE W R WHITEW RED GR Y GREENW YELLOW O W ORANGE WHITE WIRING DIAGRAM 240 5 SURGE W MAGNETIC ABSORBER W R HI PRESS 2 CONTACIOR i P BK wau CONTROLLER u 9 5 i BOARD BR 2 CONNEC amu asa j sens PATE LF o LED5 CONNECTOR wma 940 SERVICE POWER SUPPLY s 8 CALL LAMP BIN SHE NAMEPLATE R kasu amp CONTROL FOR POWER STAR CONNECTOR SWITCH VOLTAGE RRQ STARTER 33 WASHING a ile i BOW Gu 5 SWITCH _ 1 2 5 wW UE wy QW T FUSE BE i y NEUTRAL 15 42 I RC e WAY 1 GOOD T
37. Secure the icemaker with the two bolts provided See Fig 5 7 Align the Storage Bin drain hole and the drain pan hole Insert the Packing bin accessory and fasten the Drain Pipe Collar bin accessory See Fig 5 Note On the F series Bins an extension drain tube kit is provided which attaches to the icemaker Drain Pan and exits through the pre drilled hole in the side of the Bin 8 Replace the icemaker panels in their correct positions 28 Adjustable Leg Fig 3 Fig 4 Bin Drain Hole F series b IM 240A 1 Fully screw in the four legs provided bin accessory into the Storage Bin underside See Fig 6 2 Position the Storage Bin in the selected permanent site 3 Place the icemaker on top of the Storage Bin by holding the bottom 4 Secure the icemaker to the Storage Bin by using the two mounting brackets and two bolts provided See Fig 7 5 Seal the seam between the icemaker and the Storage Bin with food grade sealant 6 Remove the Drain Pipe Collar and Drain Pan Secure the Bin Control Switch to the Mounting Frame using the two bolts and flat washers provided Fix the Bin Control Switch wiring with the two nylon ties Place the Ice Chute on the Unit Frame and refit the Drain Pan in its correct position See Fig 8 7 Refit the panels in their correct positions 8 Adjust the four legs on the bottom adjustable from 0 to 25 4 mm to have the icemaker perfectly horizontal Use
38. Water supply pressure should be minimum 0 5 bar and maximum 8 bar If the pressure exceeds 8 bar use a proper pressure reducing valve Do NOT throttle back the supply tap A plumbing permit and services of a licensed plumber may be required in some areas The icemaker drain is gravity flow so ensure drain pipe has an adequate pitch or fall Water should drain into an open trap The Storage Bin has two drain outlets The upper outer one is for dump from the icemaker and the lower inner is forthe Bin The two drain lines must be separated to prevent a backflow into the Storage Bin On water cooled model a back flow preventer may be required in the cooling water circuit 38 Water Inlet Cooling Water Inlet Cooling Water Outlet Drain Outlet Icemaker dump Drainage Drain Outlet Bin Water Inlet Cooling Water NK Cooling Water out DE Upper Unit Water Inlet Cooling Water net f Cooling Water Outlet b Drain Outlet Upper Unit Water Inlet Cooling Water Inlet Cooling Water Outlet Drain Outlet Middle Unit Storage Bin Drain Outlet Lower Unit Drain Outlet Bin Drainage Water cooled model only Fig 27 Air Cooled and Remote Air Cooled Models 1 Attach the angled end of white flexible inlet hose accessory to the G3 4 fitting on the left side of the icemaker as indicated ensuring rubber sealing washer is correctly positioned Hand tighten suff
39. Y If possible use Quick Release Connectors onto the Access Valves especially on the high side 2 Turn on the Vacuum Pump 3 Allow the Vacuum Pump to pull down to a 760 mmHg vacuum Evacuating period depends on the pump capacity 4 Close the Low side and High side Valves on the Service Manifold 5 Disconnect the Vacuum Pump and attach a Refrigerant Charging Cylinder to accurately weigh in the liquid charge Remember to purge any air from the Charging Hose See the Nameplate for the required refrigerant charge 75 Important Note The DSME XSME Nameplate will only state a base refrigerant charge for up to 10 m of remote tubing distance between Condenser and icemaker When this distance exceeds 10 m refer to 111 6 c INSTALLATION for refrigerant charge calculation 6 Open the High side Valve on the Gauge Manifold and accurately measure in the liquid charge Close the valve on the Charging Cylinder before closing the High side Manifold Valve Any remaining liquid in the line can be charged into the low side Note Always charge in the liquid stage as many refrigerants are blends and vapour charging will affect the blend consistency eg R404A 7 Turn on the icemaker Release the High side Access Connector and allow pressure in the charging line to slowly enter the low side of the system Cap off the High side Access Valve When pressure reduces on the low side disconnect the low side charging line and cap off th
40. and tightening 40 the joint This pipe can to length as necessary to suit position of main drain 4 By means of a suitable spanner or wrench tighten the 1 2 3 4 nipples accessory into the Rc1 2 fittings on the left side of the icemaker as indicated P T F E tape and or a suitable sealing compound should be used to obtain a leak free joint Note Jointing compounds should be approved and suitable for potable water use 5 Connect the Condenser cooling circuit to the free end of 1 2 3 4 nipples as indicated Fig 30 using a suitable rigid type pipe IM 2240DWME Potable Water Icemaker Inlet G3 4 Cooling Water 1 2 3 4 Nipple Inlet Rc1 2 Cooling Water Outlet Rc1 2 Drain Outlet R3 4 on left side of Storage Bin 240 Cooling Circuit Icemaker Cooling Water Inlet 1 2 Cooling Water Outlet Rc1 2 Outlet Hose 1 2 3 4 Nipple Potable Water Condenser Cooling Circuit Inlet Hose Outlet Hose Drain Outlet R3 4 Fig 30 41 Flow Control Valve Cooling Tower Strainer Pump Fig 31 b Connections according to regulations other than WRC by utilising accessory hoses Fig 32 1 Follow the instructions from 1 to 4 in a above 2 For Condenser connections use supplied accessory hoses and make the same connections as 1 to 3 in a above to the free end of 1 2 3 4 nipples as indic
41. and wipe the Bin liner Ice Deflector and Door inner surface 5 Rinse thoroughly with fresh water and a clean cloth to wipe off the solution Close the Bin Door Note Some solutions may cause damage to the Bin liner surfaces or corrosion on the metal parts Always rinse the sanitiser unless directed otherwise by Hoshizaki guidelines 4 Air Filter Air Cooled Model Only Plastic mesh Air Filters are fitted to remove dirt or dust from the air preventing the Condenser from getting clogged As the Filters become dirty air circulation through the Condenser will be reduced affecting the icemaker s performance Remove and clean the Air Filters at least twice per month 1 Unscrew and remove the Front Panel The Filter is fitted on the inside of the panel behind the air slots 2 Unscrew and remove the Louver on the Right Side Panel The Filter is fitted to the inside of the plastic Louver Note Do not put your hand inside the machine compartment 3 Remove the Air Filters 4 Clean the Air Filters by using a vacuum cleaner When severely clogged use warm water and a neutral cleaner to wash the Air Filters 5 Rinse and dry the Air Filters thoroughly and place them back in position Louver Right Side Panel 50 2 WATER VALVE 1 Unplug the icemaker or disconnect the power source 2 Close the water supply tap 3 Remove the Top Panel and Front Panel 4 Disconnect the Inlet Hose from the Water Valve 5 Remove
42. art to close Hot Gas Valve closed e Water Pan fully closed Pump Motor will start f Water Solenoid will close 44 Remote Air cooled Model Before starting the unit energise the Oil Heater around the lower part of the Compressor to prevent a starting failure caused by the refrigerant staying inside the Compressor 1 Move the Washing Switch on the Control Box to the WASH position Y Washing a Switch ICE Control Box Fig 33 2 Push the Bin Control Switch to the right into the bin full position and fix it there with tapes 3 Connect the power supply E 4 After 10 seconds in the defrost cycle the unit stops Leave the unit for 12 hours Oil Heater energised Fig 34 5 Move the Washing Switch to the ICE position and release the Bin Control Switch into the initial running position WASH Ir Fig 35 6 The unit will start a freeze cycle in 80 seconds IMPORTANT 1 Check the conditions and quality of the ice production 2 Do not use ice produced in the trial run It might be contaminated with foreign matter in the water circuit Discard or flush down the drain 45 2 PREPARING THE ICEMAKER FOR LONG STORAGE WARNING Drain the icemaker to prevent damage to the water supply line at subfreezing temperatures using air or carbon dioxide Shut off the icemaker until proper air temperature is resumed 1 Close the water
43. ated Fig 32 IM 2240DWME IM 240AWME Icemaker Potable Water Inlet G3 4 Cooling Water 1 2 3 4 Nippl Cooling Water 1 2 3 4 Nipple 9 inlet Rc1 2 Inlet Re1 2 Cooling Water Cooling Water Outlet Rc1 2 Outlet Rc1 2 I 212 Potable Water Drain Outlet R3 4 on left side of Storage Bin Outlet Hose Inlet Hose lt Outlet Drain Outlet R3 4 Outlet Hose Fig 32 42 8 FINAL CHECK LIST 1 Is the icemaker level 2 Is the icemaker in a site where ambient temperatures are a minimum of 1 C and maximum 40 C all year around 3 Is there atleast 15 cm clearance around the icemaker for easy maintenance and service 4 Have all shipping carton tape s and packing been removed from the icemaker 5 Have all electrical and piping connections been made 6 Has the power supply voltage been tested or checked against the nameplate rating Has a proper earth been installed to the icemaker 7 Has the water supply pressure been checked to ensure a minimum of 0 5 bar and maximum 8 bar 8 Have the compressor hold down bolts and all refrigerant lines been checked against vibration and possible failure 9 Have the Bin Control Switch been checked for correct operation When the icemaker is running push the Detector of the Bin Control Switch The icemaker should stop within 10 seconds 43 IV OPERATING INSTRUCTIONS WARNING 1 This icemaker is designed to
44. ater 2 Open the Storage Bin Door and remove all the ice to avoid contaminating by the cleaner 3 Remove the Front and Top Panels See Fig 2 4 If the icemaker is in a defrost cycle wait until a freeze cycle starts 5 Remove the screw and move the Tank Drain Pipe to the drain position See Fig 36 6 Push the Bin Control Switch to the right into the bin full position Hold the switch until the icemaker stops in 10 seconds See Fig Fig 43 43 53 7 When the icemaker stops release the Bin Control Switch into the running position See Fig 44 The icemaker will restart in 80 seconds and the Water Pan will start to open 8 Close the water supply tap 9 After the ice has dropped and the Water Pan begins to close move Fig 44 the Washing Switch on the right side of the Control Box to the WASH position See Fig 45 Washing Switch WA H ICE Control Box Fig 45 10 As soon as the Water Pan closes pour the cleaning solution prepared in 1 carefully into the Water Pan Do not splash or spill the solution onto the other parts 11 Circulate the cleaning solution for 30 minutes Open the water supply tap and repeat the above steps 6 and 7 12 When the Water Pan closes again pour clean water into the Water Pan until it floods from the Overflow Pipe and circulate the water for 5 minutes 13 Repeat the above steps 6 7 and 12 at least three times to rinse thoroughly SANITIZI
45. ation should provide a firm and level foundation for the equipment 4 Allow 15 cm clearance at rear sides and top for proper air circulation and ease of maintenance and or service should they be required For air cooled model only allow 30 cm clearance at the right side This appliance is not suitable for installation in an area where a water jet could be used and where dripping is not allowed 6 Do not place anything on top of the icemaker or in front of the Louver 7 This icemaker will not work at subfreezing temperatures To prevent damage to the water supply line drain the icemaker when air temperature is below zero 27 3 INSTALLATION Incorrect installation can cause harm to people animals or things for which the manufacturer cannot be held responsible a IM 240D IM 240X 1 Lay the Storage Bin on its rear side carefully to prevent damage Secure the four adjustable legs bin accessory into the four tapped holes on the underside of the Bin See Fig 3 2 Position the Storage Bin in the selected permanent position and level it in both the left to right and front to rear directions See Fig 4 3 Remove the icemaker panels The Rear Panel is not required to be removed for installation See 1 UNPACKING 4 Remove the shipping tape holding the Drain Pan 5 Place the icemaker on the top of the Storage Bin Be careful not to damage the icemaker frame and the Bin Control Switch See Fig 5 6
46. connect the Pump Motor leads in the Wiring Channel 5 Remove the two Extension Springs from the Cam Arms 6 Remove the Water Plate Bracket and the Water Pan Assembly 7 Remove the two Spring Hook Screws from the Water Tank 8 Remove the screws and the Water Plate Bracket 9 Remove the Pump Suction and Discharge Tubings 10 Remove the Pump Motor Bracket from the Water Plate 11 Install the new Water Plate or Water Tank in the reverse order of the removal procedure 12 Replace the panels in their correct positions 13 Plug in the icemaker or connect the power source 84 INDEX 1 2 3 4 5 6 7 8 9 DESCRIPTION Water Tank Water Plate Bracket Bracket Spring Hook Screw Pump Tubing Suction Pump Tubing Discharge Pump Motor Bracket Water Plate Overflow Pipe Thumbscrew for Overflow Pipe Nylon Tie O ring Pump Motor Assembly Tapping Screw Machine Screw Fig 52 85 9 PUMP MOTOR 1 Unplug the icemaker or disconnect the power source 2 Remove the Top Panel and Front Panel 3 Disconnect the Pump Motor leads in the Wiring Channel 4 Remove screws and the Pump Motor from the Bracket 5 Disconnect the Pump Suction and Discharge Tubings 6 Disassemble the Pump Motor and check the Motor or parts 7 Install the new motor or parts in the reverse order of the removal procedure 8 Plug in the icemaker or connect the power source and check for leaks 9 Replace the panels in their correct
47. current refrigerants However the rubber hose and gauge manifold to be used for evacuation and refrigerant charge should be exclusively for R404A 8 Refrigerant Leak Check Refrigerant leaks can be detected by charging the unit with a little refrigerant raising the pressure with nitrogen and using an electronic detector Do not use air or oxygen instead of nitrogen for this purpose or rise in pressure as well as in temperature may cause R404A to suddenly react with oxygen and explode Be sure to use nitrogen to prevent explosion b REFRIGERANT RECOVERY The refrigerant must be recovered if required by an applicable law A Low side Access Valve is provided on an extension pipe connected to the suction port of the Compressor On the DME XME and DWME XWME a Tap Valve should initially be fitted to the High side Process Tube to be replaced with a proper Access Valve see Fig 45 when recovery is completed The DSME XSME high side can be accessed using the Gauge Port on the Upper Condenser Line Access Valve liquid return attached to the right side of the icemaker Recover the refrigerant and store it in a proper container Do not discharge the refrigerant into the atmosphere c EVACUATION AND RECHARGE 1 On the DME XME and DWME XWME attach Charging Hoses Service Manifold and Vacuum Pump to the Low side and High side to be fitted by servicer Access Valves Connect the DSME XSME Charging Hoses as described in b REFRIGERANT RECOVER
48. d the components as shown in the table below 1 Actuator Toggle Switch uA FREEZE 2 Thermistor on Evaporator Holder Evaporator Thermistor 3 Bin Control Switch Procedure Manually set the switch in the FREEZE and DEFROST positions and check the continuity CAUTION Thermistor Sensor part is fragile glass sealed Handle with care Disconnect the Connector K4 on the board Remove the screw and the Thermistor Holder on the Evaporator Immerse the Sensor part in a glass containing ice and water for 5 minutes Check the resistance between K4 Connector Pins Replace the Thermistor in its correct position Connect K4 Manually set the Micro Switch in the TRIP and RESET positions and check the period 18 Normal DEFROST COM NO Open COM NC Close FREEZE COM NO COM NC Close Open 5 7 kilohms Approx TRIP Closed 10 sec RESET Open 80 sec SEQUENCE LED INDICATORS ON OFF 105591 05 px OA EA 1 X 1010JA Ue4 SED JOH ZX pue LX puebe T Aey 9 o o 1souj p 5 1soJjep JJO X NO ZIX 440 tX uonisod 50 438 01 1Jolsiuu u yms NO 3A1VA 831VM NO AATWA 57 0 3 O 1s0Jjog 15015
49. ding the Drain Pan Lower Unit Drain Pipe Collar Packing amp 5 Attach the lower unit X type on the top of the Storage Bin See Fig 10 Drain Pan 12 5 Extension 6 Secure the lower unit with the two bolts and two plastic washers provided See 10 Drain Hole 7 Remove the shipping tape holding the Bin Fig 10 Control Switch on the Drain Pan Attach the Bin Control Switch to the frame located at the left bottom of the condensing unit and secure it using the two screws and the two washers provided See Fig 11 8 P 200SD Align the drain hole and the drain pan hole Insert the Packing bin accessory and fasten the Drain Pipe Collar bin accessory tightly within the recommended torque of 39 2 N m Bin Control Switch See Fig 10 Fig 11 30 push the threaded pipe through the hole in the 9 F series Upper Unit Locate the extension drain tube kit Remove S Leads the Locking Nut from the threaded section and side of the Bin Align the and insert iim the Drain Pipe Collar and Packing into the free aet M end of tube kit and tighten Secure the tube kit dd by re attaching the Locking Nut and tightening to the Bin exterior Remove Bin Control Switch 10 Before stacking remove the clear plastic cover on the upper or middle unit wiring channel Fig 12 Disconnect the Bin Control Switch leads with three way plug Remove the screws and the Bin Control S
50. e Access Valve 8 Always cap the Access Valves to prevent a refrigerant leak 9 Always thoroughly leak test all joints and valve caps 10 Avoid charging large quantities of liquid into the low side in case of damage to the Compressor Depressed Cap Access Valve OPEN Fig 49 76 2 COMPRESSOR 1 Unplug the icemaker or disconnect the power source 2 Remove the Top Front and Right Side Panels 3 Recover the refrigerant and store it in a proper container if required by an applicable law See 1 6 REFRIGERANT RECOVERY 4 Remove the Terminal Cover on the Compressor and disconnect Solderless Terminals 5 Disconnect the Discharge and Suction Pipes using brazing equipment 6 Remove the Hold down Bolts Washers and Rubber Grommets 7 Slide and remove the Compressor Unpack the new Compressor package 8 Attach the Rubber Grommets of the previous Compressor 9 Clean the Suction and Discharge Pipes with an abrasive cloth paper 10 Place the Compressor in position and secure it using the Bolts and Washers 11 Remove Plugs from the Compressor Suction and Discharge Pipes 12 Braze or solder the Access Suction and Discharge lines Do not change this order with nitrogen gas flowing at the pressure of 0 2 0 3 bar 13 Install the new Drier See 3 DRIER 14 Check for leaks using nitrogen gas 10 bar and soap bubbles 15 Evacuate the system and charge it with refrigerant See 1 EVACUATION AND RECH
51. e national or local regulations a Standard connections according to WRC regulations in U K Fig 30 and 31 When selecting a Cooling Tower refer to the following peak values of heat flow in the Condenser Model IM 240DW XW AW 5235W Pipes between the Cooling Tower and the icemaker should be at least 20 mm DIA to reduce pressure loss even though the icemaker fittings are 13 mm DIA Pressure loss in the water circuit inside the unit will be 5 to 6 m when the cooling water flows at the ratio of 4 to 5 lit min Select a Circulating Pump referring to the above values of heat flow Do not use a Cascade Pump or the Water Regulator will vary the flow and stop it during the defrost cycle The Strainer must be cleaned periodically Icemaker Connections 1 Attach the angled end of white flexible inlet hose accessory to the G3 4 fitting on the left side of the icemaker as indicated ensuring rubber sealing washer is correctly positioned Hand tighten sufficiently to provide leak free joint 2 Attach the other end of inlet hose to the water tap Fig 29 noting washer is correctly positioned before hand tightening as above Note If filtration or treatment is used ensure icemaker section only is on treated water supply not the Condenser 3 Attach grey flexible outlet hose accessory to the R3 4 fitting on the left side of the Storage Bin as indicated Fig 28 confirming fitment of rubber washer before finally h
52. e power source 2 Close the water supply tap 3 Remove the Front Top and Right Side Panels 4 Recover the refrigerant and store it in a proper container if required by an applicable law See 1 0 REFRIGERANT RECOVERY 5 Cut off the Copper Tube near the Capillary Tube solder connection using a pipe cutter 82 6 Cut off the Capillary Tubes of the Valve and High pressure Switch using a file and pliers Be careful not to damage the Capillary Tube end 7 Disconnect the flare connections from the Bracket 8 Remove the screws and the valve from the Bracket 9 Install the new valve and insert the Capillary Tubes into the Copper Tube 10 Web the Copper Tube end and braze or solder the Copper Tube and Capillary Tubes together 11 Install the new Drier See 3 DRIER 12 Check for leaks using nitrogen gas 10 bar and soap bubbles 13 Evacuate the system and charge it with refrigerant See 1 EVACUATION AND RECHARGE 14 Connect the flare connections 15 Open the water supply tap 16 Check for water leaks 17 Replace the panels in their correct positions 18 Plug in the icemaker or connect the power source Adjust Screw Valve Body Flare Connection Bellows Capillary Tube Fig 51 8 WATER PAN ASSEMBLY 1 Remove the Top Front and Left Side Panels 2 Push the Reset Switch on the Control Box to open the Water Pan 3 Unplug the icemaker or disconnect the power source 4 Dis
53. en the Flare Nuts to a torque of 38 4 Nm 2 Check the distinction marks on both ends of each copper tubing to make sure the connections are correct 3 The tubes should not vibrate Fix or secure the tubes to prevent stressing 5 Remove the Service Gauge Port Caps from the Access Valves on the icemaker Evacuate the lines through the Gauge Ports for 20 minutes at max 0 1 torr Charge both lines with vapour refrigerant R404A to a pressure of 1 bar Add nitrogen to raise the pressure to 15 bar Thoroughly leak test the joints with a leak detector or soap bubbles 6 Evacuate the lines again at max 0 1 torr Vapour charge the lines to 1 2 bar with refrigerant R404A The actual charge will depend upon the length of tube run Base charge up to 10 m 2400 g Additional charge for each additional meter 40 g As the total precharged refrigerant amount in the icemaker and remote condenser is 2400 g the required refrigerant charge will be 40 g x length of tube run 10 m Example If the length of tubing run is 15 m i e distance between the icemaker and Condenser 15m 10m 5m Base charge 2400 g up to 10 m run Additional charge 40 g m Required refrigerant charge 40 g x 5 m 200g On completion of the refrigerant charge remove the charging cylinder and charging lines Refit the Port Caps and tighten to a torque of 10 1 Nm 35 Cap Nut 6 Remove the Cap Nuts from the Access Valves on both the Condenser and the icemaker
54. ermostat contacts closed the Motor operates at approximately half speed When the Relay is de energised Thermostat contacts open the Motor operates at full speed Half speed 11 3 Full speed 21 3 1272 R P M 24 II INSTALLATION INSTRUCTIONS WARNING The installation must be carried out by qualified personnel in accordance with current regulations according to the manufacturer s instructions 1 UNPACKING WARNING Children should not be allowed in reach of the packaging elements plastic bags and expanded polystyrene as they are potential sources of danger CAUTION Remove shipping carton tape s and packing If packing material is left in the icemaker it will not work properly Air Filter Air cooled Model Power Cord Condensing Unit Louver Air cooled Model Bin Door Front Panel Storage Bin Optional Adjustable Legs Fig 1 Note This icemaker needs a Storage Bin Hoshizaki recommends the following Ice Storage Bins P 200SD IM 240D F650 44 IM 240D IM 480D F950 48 IM 480D IM 720D F1025 52 IM 480D IM 720D B 300 IM 240A 25 1 After removing the packaging make sure that icemaker and the Storage Bin in good condition If in doubt please do not use the equipment See the instruction sheet attached to the Storage Bin for its unpacking and installation guidelines 2 Remove the icemaker panels to gain acce
55. flat blade screwdriver vu Ambient Temp Approximate Period sec 1 2 3 30 C 20 C 4 LONGER 10 5 4 Water Supply Control When adjusting the Variable Resistor VR5 Cube Control for smaller dimple cubes it may be necessary to adjust water supply time setting as well following the instruction below Cut the jumper wire JE marked by arrow by a nipper Water supply time will be 60 sec when the Water Plate is closed Normal setting 15 sec with Water Plate closed Note 1 See Il 2 al CONTROLLER BOARD for location of the Jumper Wires 2 Any adjustment will not be required under normal use If an insufficient water supply results in production of cloudy ice check to see if the Filter of the Water Valve is clogged or water pressure is reduced 3 In some areas where excessively hard water approx 250 ppm or more results in production of cloudy ice change the water supply time setting Also the Tank Drain Pipe must be moved to the drain position to prevent concentration of calcium carbonate etc See the figure below DEFROST PROCESS FREEZE PROCESS Water Pan CLOSED Water Pan Approx 15 sec 90 sec at start up 23 3 FAN MOTOR CONTROL ONLY The Condenser Fan Motor rotates at two speeds The Motor is operated by Relay X6 which is in turn controlled by the Bimetal Thermostat which is attached to the Control Box When the Relay is energised Th
56. he drier must be replaced Be sure to use a drier designed for R404A 3 Handling of Handy Flux R404A Repair of the refrigerant circuit needs brazing It is no problem to use the same handy flux that has been used for the current refrigerants However its entrance into the refrigerant circuit should be avoided as much as possible 4 Oil for Processing of Copper Tubing R404A When processing the copper tubing for service wipe off oil if any used by using alcohol or the like Do not use too much oil or let it into the tubing as wax contained in the oil will clog the capillary tubing 5 Service Parts for R404A Some parts used for refrigerants other than R404A are similar to those for R404A But never use any parts unless they are specified for R404A because their endurance against the refrigerant have not been evaluated Also for R404A do not use any parts that have been used for other refrigerants Otherwise wax and chlorine remaining on the parts may adversely affect the R404A 6 Replacement Copper Tubing R404A The copper tubes currently in use are suitable for R404A But do not use them if oily inside The residual oil in copper tubes should be as little as possible Low residual oil type copper tubes are used in the shipped units 74 Evacuation Vacuum Pump and Refrigerant Charge 84044 Never allow the oil in the vacuum pump to flow backward The vacuum level and vacuum pump may be the same as those for the
57. he new Surge Absorber in the reverse order of the removal procedure Note Function of Surge Absorber By passes a surge coming through the power supply line caused by a thunderbolt in order to protect the electronic components Surge Absorber Quick Disconnect Terminal 96 17 FAN MOTOR ONLY 1 Unplug the icemaker or disconnect the power source 2 Remove the Top Front and Right Side Panels 3 Disconnect the Connector of the Fan Motor 4 Remove the Fan Motor Bracket and the Fan Motor 5 the leads of the Fan Motor allowing enough lead length to reconnect using closed end connectors 6 Install the new Fan Motor in the reverse order of the removal procedure 7 Refit the panels in their correct positions 8 Plug in the icemaker or connect the power source 18 FAN MOTOR DSME XSME ONLY 1 Unplug the icemaker or disconnect the power source 2 Remove the Condenser Cover and Junction Box Cover 3 Cut the Fan Motor Leads at the connectors in the Junction Box 4 Release the Fan Motor Bracket and the Fan Motor pulling the cut leads from the Junction Box 5 Install the new Fan Motor in the reverse order of the removal procedure 6 Reconnect the Fan Motor Leads to the Fan Wiring Cord using new closed end connectors 7 Refit the panels in their correct positions 8 Plug in the icemaker or connect the power source 9 Check the operation of the Fan 97 HOSHIZAKI HOSHIZAKI EUROPE LT
58. iciently to provide leak free joint Fig 28 2 Attach the other end of inlet hose to the water tap Fig 29 noting washer is correctly positioned before hand tightening as above It is a wise precaution to have a stop valve within easy reach 3 Hand tighten grey flexible outlet hose accessory onto the R3 4 fitting on the left side of the Storage Bin as indicated ensuring rubber washer is correctly positioned to obtain a leak free joint The pipe can be cut to length as necessary to suit position of main drain Note Jointing compounds should be approved and suitable for potable water use Icemaker Potable Water Inlet G3 4 Inlet Hose Drain Outlet R3 4 on left side of Storage Bin Bin Water Supply Tap Inlet Hose Outlet Hose Fig 28 Fig 29 39 Water Cooled Model Hoshizaki recommends that the water cooled Condenser should be connected to a closed circuit recirculating type cooling system utilizing a tower water chiller or similar see Fig 30 and 31 Water make up should be via a ball valve break tank arrangement Whilst connecting a water cooled Condenser to a mains water potable supply will not affect the performance of the machine it will most certainly cause a high use waste of a valuable resource and is not recommended The services of a licensed or coded plumber should be used to ensure a correct installation The connections should be made properly in compliance with the applicabl
59. installations call Hoshizaki Care 44 0 1223242254 The Condenser should not be installed more than 6 m above the height of the icemaker or more than 2 m below it Note If the recommended guidelines of the installation are exceeded the icemaker performance may be reduced O Q c INSTALLATION 9 1 This Unit is provided with four S mounting holes Secure the Condenser Unit o with four bolts See Fig 17 500mm 2 Remove the Flare Nut from each of the Access Fig 17 Valves on the icemaker and Condenser Unit Flare Nut Note Remove and discard the Copper Caps on the Flare Nuts ii 3 The two copper tubes 9 52 mm OD to be provided at site should be insulated separately Place the Flare Nuts onto each end of the tubes and flare the tube ends 90 0 5 Pipe Insulation Fig 18 34 Note The tube ends to flared should be free from damage cracks and burrs and also Tighten clear of grease or scraps L 4 Connect the flared copper tubes on to the 2 icemaker and Condenser Unit The two tubes have the same diameter so mark them for a distinction between the gas line and the liquid line to prevent misconnection Apply some clean refrigerant oil of a suitable type to the surfaces of the Flare before connection and tightening Support the Access Valve with a spanner on the flat surfaces when tightening Fig 19 the nuts Copper Tube Access Valve Note 1 Tight
60. ired for the Fan Motor wiring between the icemaker and the Condenser Unit L N Copper Tubing Phosphorus deoxidized copper tubing Two tubings of the same size will be required for refrigerant lines Mark them for a distinction between the gas line and liquid line to prevent misconnection 9 52 OD x 7 93 ID Gas 9 52 OD x 7 93 ID Liquid Pipe Insulation for gas and liquid pipes To withstand temperatures up to 120 C Bolt Four M8 Hexagon Bolts for securing the Condenser Unit 5 Do not remove the Unit Covers before finishing installation to prevent damage to the air cooled Condenser 33 b LOCATION The Condenser is intended for outdoor use and must be positioned in a permanent well ventilated site under the following guidelines Min 60 cm clearance Select a firm and flat site Should not be exposed to harsh or adverse weather conditions Air Air Preferably a dry and well ventilated area with 60 cm clearance on both front and rear for ease of maintenance and service should they be required Fig 16 Normal condenser ambient temperature 1 C to 40 C Temperatures not within this operating range may affect the production capacity of the icemaker When the Condenser Unit is installed on a roof a 50 cm height base is recommended to prevent heat reflection and to avoid the possibility of the unit standing in water The maximum line length is 10 m For information on longer line
61. itch as specified in 11 and 17 within 40 minutes after the Water Pan closes After 40 minutes pass the interlock will operate to stop the icemaker It will not reset automatically If the interlock should operate disconnect the power source and then reconnect it 55 VI TECHNICAL INFORMATION 1 WATER CIRCUIT AND REFRIGERANT CIRCUIT a IM 240DME IM 240XME IM 240AME Air cooled Water Valve Controller Expansion Valve Bulb Water Pan TERES Water Pump n Pressure Switch Fan Motor HotGas Valve Strainer Compressor water Circuit Refrigerant Circuit 56 b IM 240DWME IM 240XWME IM 240AWME Water cooled Water Valve Thermistor Controller Board Expansion Valve Bulb Water Pan ee gt Water Pump Pressure HotGas X Valve Strainer Water Circuit Refrigerant Circuit 57 c IM 240DSME IM 240XSME Remote Air cooled Receiver Water Pan Tank Insulation Controller Board Compressor Water Circuit Refrigerant Circuit 58 2 WIRING DIAGRAM a IM 240DME IM 240XME WIRING DIAGRAM Spe BR POWER SUPPLY SEE NAMEPLATE FOR POWER VOLTAGE REQ MAGNETIC CONTACTOR NEUTRAL BK W GROUNDED BK BLACK BK W BLACKw WHITE BR BROWN O BK ORANGEW BLACK W Y WHITEw YELLOW GY GRAY LBU LIGHT BLUE O ORANGE P PINK
62. ller will respond Do not replace controllers in an attempt to shorten the diagnostic process and not before carefully checking the actual fault and possible cause When the icemaker stops the Controller Board Interlock Indicator shows possible faults INTERLOCK WATER TANK PATTERN INDICATOR POSITION POSSIBLE CAUSE REMEDY 1 av Actuator Toggle Switch Replace Actuator 011 4 doo e Os Lever bent Toggle Switch Flashing Cam Arm A broken Replace Gani Arm Defective Actuator Replace Motor 4 2 Defective Controller Replace 6 29 9 20 INTERLOCK WATER TANK PATTERN INDICATOR POSITION POSSIBLE CAUSE REMEDY 2 TM Clogged Air Filter and or Clean or replace ON E Condenser Water leak Water Replace Freeze Cycle 2 GY Solenoid Valve 0 I Leak 3 Gas leak from Hot Gas Replace Solenoid Valve Hot OV Gas Leak 4 NE Fan Motor stopped Replace 5 4 Gas leak Check for leak t Gas 6 o Compressor stopped Replace Comp Starting Capacitor 3 MM 1 Hot Gas Solenoid Valve Replace aul closed and will not open Q 79 400V eye 2 4 Qas leak Check for leak t Gas 3 AO Compressor stopped Replace Comp Dh Starting Capacitor 4 MM 1 Actuator Toggle Switch Replace Actuator e E TM Lever bent Toggle Switch di OR
63. maker or disconnect the power source 2 Remove the Top Front and Right Side Panels 3 Recover the refrigerant and store it in a proper container if required by an applicable law See 1 0 REFRIGERANT RECOVERY 4 Remove the Expansion Valve using brazing equipment Protect the Evaporator and pipes from excessive heat with damp cloths or similar 5 Remove the Expansion Valve Sensor Bulb 6 Remove the Drier using brazing equipment 7 Braze in the new Expansion Valve Protect the body of the valve from excessive heat and use nitrogen at a pressure of 0 2 0 3 bar when brazing 8 Braze or solder the new Drier See 3 DRIER 9 Check for leaks using nitrogen gas 10 bar and soap bubbles 10 Evacuate the system and charge it with Bulb refrigerant See 1 c EVACUATION AND RECHARGE 11 Attach the Bulb to the suction line in position Be sure to secure it using a wire or clamp and replace the insulation 12 Replace the panels in their correct positions Cap Nut Adjust Screw inside Capillary Tube 13 Plug in the icemaker or connect the power Source High Side Fig 50 79 5 EVAPORATOR IMPORTANT Always install a new Drier every time the sealed refrigeration system is opened Do not replace the Drier until after all other repair or replacement has been made 1 Unplug the icemaker or disconnect the power source 2 Remove the Top Front Right and Left Side Panels 3 Recover
64. nd devices except the Transformer 15 a CONTROLLER BOARD LAYOUT Thermistor Cube Control Backup Timer VR3 jue f HE eun Connector 164 Cube Control VR5 001 7 ez Defrost Control VR2 U a B E 5 5 7S azg Tle 25 a e o In Reset Switch d s We Water Supply Time zn Tha se I Setting Jumper Wires Signal Ground Connector K2 Connector K1 H2AA136 HOKURYO ID Number Connector K3 See the diagram on the right for layout of the Controller Board ovr Qva 90 VR Variable Resistor No 2 through No 5 adjustable K Connector IC Integrated Circuit Chip LED Light Emitting Diode Indicator Lamp TF Transformer X Relay RESET Reset Switch To check the operation of the board push the Reset Button only during the freeze cycle EC NOTE e No wire must be connected to K5 connector e Do not adjust VR1 variable resistance Controller Board must be identified by the printed identification number Relay X1 Actuator Motor and Pump Motor X2 Hot Gas Valve and Fan Motor X3 Water Valve X4 Compressor Control All the controls are factory adjusted Do not UE 2 change setting except when replacing the VR5 Cube Control board or if the setting has changed Refer to CONTROLS AND ADJUSTMENT 17 b BEFORE CHECKING CONTROLLER BOARD Check the power source voltage an
65. nded in the instructions on label or bottle of the cleaner 9 Rinse the water circuit 10 Reverse the above procedure in steps 2 through 6 11 Check the icemaking capacity referring to VI 3 PERFORMANCE DATA Cleaner Container Condenser 4 ICEMAKING WATER SYSTEM To keep the icemaker hygienic clean and sanitize the icemaking water system at least once every six months More frequent cleaning and sanitizing may be required depending on the water quality CAUTION Do not touch the Washing Switch with damp hands Always wear rubber gloves eye protectors apron etc for safe handling of the cleaner and sanitizer Use the cleaners and sanitizers recommended by Hoshizaki Contact your local Hoshizaki office for further details The instructions below give an example of those recommended cleaners and sanitizers Never mix cleaning and sanitizing solutions in an attempt to shorten cleaning time 5 Wipe off any splashed or spilt cleaner sanitizer immediately 6 Do not use any ammonia type cleaners on any part of the icemaker 7 When the ambient and water temperatures 10 or below the Water Pan may remain open Warm the icemaking compartment up to 20 around the Thermistor Be sure to follow the cleaning and sanitizing instructions below 1 Use a suitable container to dilute 236 ml of the cleaner Nickel Safe Ice Machine Cleaner by The Rectorseal Corporation with 11 4 lit of w
66. produce and store edible ice To keep the icemaker hygienic Wash your hands before removing ice Use the Plastic Scoop provided accessory The Storage Bin is for ice use only Do not store anything else in the Bin Clean the Storage Bin before use see V 1 PERIODICAL CLEANING Keep the Scoop clean Clean it by using a neutral cleaner and rinse thoroughly Close the Door after removing ice to prevent entrance of dirt dust or insects into the Storage Bin The use of any electrical equipment involves the observance of some fundamental rules In particular Instances of high humidity and moisture increase the risk of electrical short circuits and potential electrical shocks If in doubt disconnect the icemaker Do not pull the power cord in order to disconnect the icemaker from the feed network This appliance is not suitable for unsupervised use by young children or aged or infirm persons 3 All parts are factory adjusted Improper adjustments may result in failure 4 lf the unitis turned off wait for at least 3 minutes before restarting the icemaker to prevent damage to the Compressor 1 START UP Air Cooled and Water Cooled Models 1 Disconnect the power supply 2 Open the water tap 3 Connect the power supply and energise 4 The following should occur in sequence a Compressor will start Hot Gas Valve open b Water Pan will fully open c Water Solenoid will open d Water Pan will st
67. rect position 9 Plug in the icemaker or connect the power source 93 Nylon Control Box Cover Do not cut off Signal Ground Wire Shield Plate 94 15 THERMISTOR FOR CUBE CONTROL 1 Unplug the icemaker or disconnect the power source 2 Remove the Top and Front Panels 3 Remove the Connector K4 on the Controller Board referring to 14 6 REPLACEMENT 4 Unscrew and remove the Thermistor Holder and Thermistor located on the Evaporator Front Side 5 Install the new thermistor in the reverse order of the removal procedure by using a sealant High thermal Conduct Type See Fig 56 Note Recommended sealant is KE4560RTV manufactured by SINETSU SILICON When other type of sealant used the cube size and performance will be changed Do not use silicone sealant as this will insulate the Thermistor Sealant Insert aluminum tape or foil between Holder and sealant Sealant Aluminum Tape Holder Holder Thermistor and Leads are FRAGILE HANDLE WITH CARE Evaporator Leads Thermistor Fig 56 95 16 SURGE ABSORBER 1 Turn off the Control Switch or disconnect the power source 2 Remove the Front Cover 3 Remove two screws at the front bottom of the Control Box and remove the Control Box Cover 4 Remove the Quick Disconnect Terminal from the Surge Absorber 5 Remove the screw securing the Surge Absorber 6 Remove the Surge Absorber 7 Install t
68. rectly 1 See Il 2 CONTROLLER BOARD Controller Board 1 Clogged 1 Clean Condenser h Fan Motor 1 Running at half speed 1 Check Bimetal continuously DME XME Thermostat for closed only contacts or Relay X6 for welded contacts 2 Takes too long a Evaporator 1 Scaled up 1 Clean or remove scale for Water Pan Install a water filter or to close scale treatment b 1 Undercharged 1 Check for leaks and Charge recharge correctly 1 Replace d Thermistor 1 See Il 2 CONTROLLER BOARD Controller Board e Water 1 Clogged Regulating 2 Repair or replace Valve f Fan Motor 1 Check wiring and cycle Actuator Toggle Switch 69 3 ABNORMAL ICE PROBLEM CHECK POSSIBLE CAUSE REMEDY cubes Line pressure b Ambient or 1 Too high 1 Check for recommended Water temperatures Temperature Condenser e Pump Motor out Charge recharge correctly Controller Board Valve Line pressure 2 Check Strainer and Clean b Water Quality 1 Install a water filter or contains impurities scale treatment 2 Lime is deposited inside Cooling Water Tubing d Water System 1 Scaled up f Pump Motor 2 Bearings worn out 2 Replace out Controller Board break into Spring b 1 Readjust separate Clearance 1 Too much between Evaporator and Water Plate cubes Evaporator 1 Dirty or scaled up 1 Clean or remove scale d Thermistor 1
69. ss to the accessory kit and to assist easier installation IM 240D IM 240A IM 240X Drain Outlet 3 53 Drain Outlet on the left a Front Panel Remove the screw s Lift up and pull toward you b Top Panel Remove the screw s Simply lift off Side Panel Remove the screw s Slide forward slightly and then lift off d Rear Panel Does not require removal Fig 2 3 Remove the package of accessories and check the contents Installation Kit InletHose _ Air Cooled Water Cooled Remote Air Cooled Outlet Hose Air Cooled Water Cooled Remote Air Cooled 1 2 3 4 Nipple Water Cooled b Scoop Except IM 240X C Ice Chute IM 240X IM 240A d Drain Pipe Collar IM 240X only Packing IM 240X only 4 Remove the shipping tape holding the Bin Control Switch 5 Remove the protective plastic film from the exterior If the icemaker is exposed to the sun or to heat remove the film after the icemaker cools 26 2 LOCATION WARNING This icemaker is not intended for outdoor use Normal operating ambient temperature should be within 1 C to 40 C Normal operating water temperature should be within 5 C to 35 C Operation of the icemaker for extended periods outside of these normal temperature ranges may affect production capacity The icemaker should not be located next to ovens grills or other high heat producing equipment 3 The loc
70. supply tap and remove the Normal Position Inlet Hose 2 Remove the Front Panel 3 Remove the screw located on the front of the Water Tank y wa Screw Bracket 4 Move the Tank Drain Pipe to the drain Tank Drain ala position See Fig 36 Pipe 5 Push the Reset Switch in the Control Box or Drain Position disconnect power source and reconnect after 3 minutes 6 The Water Pan will open and then the Actuator Toggle Switch will turn to the DEFROST position in 40 seconds Click sound will be heard 7 Blow out the water supply line immediately after the Water Pan has opened Fig 36 Note This procedure is necessary to protect the icemaker from freezing up at subfreezing temperature 8 Unplug the icemaker or disconnect the power source with the Actuator Toggle Switch in the DEFROST position 9 Move the Tank Drain Pipe to the normal position and secure it with the screw 10 Remove all ice from the Storage Bin and clean the Bin 11 Replace the panels in their correct positions 12 Replace the Inlet Hose in its correct position 46 3 BIN CONTROL Bin Control Switch is mounted on the upper side of the Storage Bin This switch will turn off the unit automatically when the Storage Bin is full of ice Handle the Bin Control Switch carefully 7 because the switch assembly is fragile Especially on removing ice do not touch or Running Bin full Fragile poke with a scoop
71. t not be cleaned by use of a water jet 1 PERIODICAL CLEANING 1 Machine and Bin Exterior Wipe the exterior at least once per week with a clean soft cloth Use a damp cloth containing a neutral cleaner to wipe off grease or dirt 2 Scoop and Storage Bin Handle Cleaning Sanitisation Daily 1 Either mix 3 litres of water with 11 ml of 5 2596 sodium hypochlorite solution in a suitable container or the recommended Hoshizaki sanitiser as directed 2 Soak the Scoop in the solution for more than 3 minutes Rinse thoroughly and shake to remove surplus liquid Note Using a cloth to dry may re contaminate 3 Use a neutral cleaner to wash the Storage Bin Handle Rinse thoroughly 4 Soak a clean cloth with the sanitising solution and wipe the Handle Use fresh water and a clean cloth to rinse dry 3 Storage Bin Interior Cleaning Sanitisation Weekly 1 Open the Storage Bin Door and remove all ice Note Hoshizaki recommends various types of Storage Bin for the icemaker which vary in size and design The following instructions are therefore for general guidance only 49 2 Wash the Bin liner Ice Deflector and Door inner surface with a neutral non abrasive cleaner Rinse thoroughly with a clean cloth and fresh water 3 Either mix 5 litres of water with 18 ml of 5 2596 sodium hypochlorite solution in a suitable container or the recommended Hoshizaki sanitiser as directed 4 Soak a clean sponge or cloth with the solution
72. the Mesh Filter from the Water Valve 6 Clean the Mesh using a brush 7 Replace the Mesh and Inlet Hose in their correct positions 8 Open the Shut off Valve 9 Plug in the icemaker or connect the power source 10 Check for leaks 11 Replace the panels in their correct positions Do not remove ERAS Filter Inlet Hose Packing Fig 41 51 3 WATER COOLED CONDENSER Deposits inside the water circuit of the Water cooled Condenser decrease cooling performance Clean inside of the Condenser by circulating a cleaning solution 1 Prepare the following Cleaning solution Read and follow any instructions on label or bottle Pump Container for solution Hose Hose bands Two fittings R1 2 3 8 DIA Two fittings 3 8 flare 3 8 DIA CAUTION Do not use a cleaning solution that will corrode the copper tubing In case of contact with the solution flush with water 2 Remove the panels and check for leaks from the water line 3 Unplug the icemaker or disconnect the power source and close the water supply tap 4 Disconnect the cooling water inlet and outlet pipings and attach fittings to connect hoses 5 Disconnect the inlet and outlet tubings of the Water Regulator and replace the Water Regulator by fittings 6 Connect hoses as shown in Fig 42 and secure them by hose bands 7 Fill the container with the cleaning solution 8 Run the pump motor and circulate the solution for a period recomme
73. uator Motor Hot Gas Valve Control Box 10 b IM 240DWME IM 240XWME Top Panel Power Cord Front Panel Condensing Unit Bin Door Handle Storage Bin Optional Adjustable Legs Water Valve Actuator Toggle Switch Water Plate Compressor Water cooled Condenser Water Regulating Valve Hot Gas Valve Actuator Motor Control Box 11 c IM 240DSME IM 240XSME Remote Condenser Unit Power Cord Front Panel Condensing Unit 4 Ml Bin Door m TT Mh Handle Storage Bin Optional Adjustable Legs Water Valve Actuator Toggle Switch Bin Control Switch Water Plate Water Tank Access Valve Pump Motor Compressor Hot Gas Valve Drain Pan Actuator Motor Control Box Receiver Tank 12 d IM 240AME Front Panel a m Handle Storage Bin Optional Adjustable Legs Power Cord Compressor Hot Gas Valve Fan Motor RE t3 oo e c Evaporator Water Plate Water Tank Actuator Toggle Switch Pump Motor Bin Control Switch Actuator Motor Drain Pan 13 e IM 240AWME Front Panel Bin Door Handle Storage Bin Optional Adjustable Legs Power Cord Compressor Control Box Water Valve Water cooled Condenser Backside Evaporator Water Plate Water Tank Actuator Toggle Switch Pump Motor Actuator Motor Bin Control Switch
74. which is coloured Blue must be connected to the terminal which is marked with the letter N or coloured Black The wire which is coloured Brown must be connected to the terminal which is marked with the letter L or coloured Red Should the socket outlets in the installation site not be suitable for the plug supplied with your product the plug must be removed cut off if itis moulded on plug and an appropriate plug fitted 32 Ifthe non rewirable plug has been from the power supply cord it must disposed There should be no attempt to reuse it Inserting such a plug into a socket elsewhere presents a serious risk of electrical shock The non rewirable plug must never be used without a fuse cover being fitted The correct replacement for the detachable fuse cover is identifiable from the manufacturer s reference number stamped on the plug Supply of replacement fuse covers can be obtained from Hoshizaki Parts Service Centres Fuses should be rated at 13A and approved to BS 1362 6 REMOTE CONDENSER UNIT Remote Air Cooled Model Only a UNPACKING Top Panel amp L 1 Unpack and remove shipping carton tape s and packing SCION y 2 Remove the Top Panel 3 Check thatthe refrigerant lines do not rub or touch lines or other surfaces and that the fan blade turns freely Unit Cover 4 Recommended parts and materials listed below Fig 15 will be required Cord 17 AWG 1 0 mm2 three wire cord will be requ
75. witch When stacking two or three Upper Unit icemakers this switch will not be required Drain Pipe Collar Keep it after removal See Fig 12 11 the upper middle unit the lower unit See Fig 13 12 Secure the two units with the two bolts and the Lower unit two nuts provided See Fig 13 13 Align the lower unit drain hole and the upper unit drain pan hole Insert the Packing lower unit accessory and fasten the Drain Pipe Collar lower unit accessory See Fig 13 Receptacle Wiring Channel 14 Place the Ice Chute lower unit accessory and ZS secure it to the Bracket with the two screws Plastic Clamp 15 Connect the leads with three way plug located in the lower unit wiring channel to the upper or middle unit receptacle unplugged in the above step 10 Secure the leads using the plastic Lower Unit clamp provided Place the plastic cover in position See Fig 14 16 Replace the icemaker panels in their correct Fig 14 positions Note If stacking three icemakers repeat the instructions 10 16 for the upper unit Remember only ONE Bin Control is needed regardless of configuration The Bin Control extension leads are pre wired with the plug and will be found coiled in the X type wiring channel 31 5 ELECTRICAL CONNECTIONS WARNING THIS APPLIANCE MUST BE EARTHED This icemaker requires an earth that meets the national and local electrical code requirements

Download Pdf Manuals

Related Search

Related Contents

  Íntegra - Inmetro  LOW-FRICTION LOAD MANAGEMENT  12V 1,000 GPH Bilge Pump  Audiovox APS-775 User's Manual  Olimpia Splendid Clicco  

Copyright © All rights reserved. Failed to retrieve file