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54

8. REMOVAL AND REPLACEMENT OF WATER REGULATING VALVE -

WATER-COOLED MODEL ONLY

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) Turn off the power supply.

2) Close the Water Supply Line Shut-off Valve.

3) Remove the panels.

4) Recover the refrigerant and store it in an approved container.

5) Disconnect the Capillary Tube at the Condenser outlet using brazing equipment.

6) Disconnect the Flare-connections of the valve.

7) Remove the screws and the valve from the Bracket.

8) Install the new valve, and braze the Capillary Tube.

9) Install the new Drier.

10) Check for leaks using nitrogen gas (140 PSIG) and soap bubbles.

11) Evacuate the system, and charge it with refrigerant. See the Nameplate for the
required refrigerant charge.

12) Connect the Flare-connections.

13) Open the Water Supply Line Shut-off Valve.

14) Check for water leaks.

15) Replace the panels in their correct positions.

16) Turn on the power supply.

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Содержание KM-500MAH

Страница 1: ... SERVICE MANUAL ISSUED NOV 7 2002 KM 500MAH KM 500MWH KM 500MRH MODULAR CRESCENT CUBER Reliability is a beautiful thingTM REVISED DEC 16 2003 NUMBER 73104 ...

Страница 2: ...00 233 1940TechnicalService 770 487 2331 Fax 770 487 3360 NOTE Toexpediteassistance allcorrespondence communicationMUST includethefollowing information Model Number Serial Number Completeanddetailedexplanationoftheproblem HOSHIZAKI provides this manual primarily to assist qualified service technicians in the service and maintenance of the icemaker Should the reader have any questions or concerns w...

Страница 3: ... II GENERALINFORMATION 11 1 CONSTRUCTION 11 a KM 500MAH Air cooled 11 b KM 500MWH Water cooled 12 c KM 500MRH Remote air cooled 13 2 CONTROLLER BOARD 14 a SOLID STATECONTROL 14 b CONTROLLER BOARD 14 c SEQUENCE 18 d CONTROLS AND ADJUSTMENTS 20 e CHECKING CONTROLLER BOARD 24 3 MECHANICAL BIN CONTROL 26 a PROXIMITYSWITCH 26 b EXPLANATION OF OPERATION 26 c TROUBLESHOOTING 27 III TECHNICALINFORMATION 2...

Страница 4: ...PLACEMENT OF EVAPORATOR 52 8 REMOVAL AND REPLACEMENT OF WATER REGULATING VALVE WATER COOLED MODEL ONLY 54 9 ADJUSTMENT OF WATER REGULATING VALVE WATER COOLED MODEL ONLY 55 10 REMOVAL AND REPLACEMENT OF CONDENSING PRESSURE REGULATOR C P R REMOTE AIR COOLED MODEL ONLY 56 11 REMOVAL AND REPLACEMENT OF THERMISTOR 57 12 REMOVAL AND REPLACEMENT OF FAN MOTOR 58 13 REMOVAL AND REPLACEMENT OF WATER VALVE 5...

Страница 5: ...Net 151 lbs 69 kg Shipping 175 lbs 80 kg CONNECTIONS ELECTRIC Permanent Connection WATER SUPPLY Inlet 1 2 FPT DRAIN Outlet 3 4 FPT CUBE CONTROL SYSTEM Float Switch HARVESTING CONTROL SYSTEM Hot Gas and Water Thermistor and Timer ICE MAKING WATER CONTROL Timer Controlled Overflow Pipe COOLING WATER CONTROL N A BIN CONTROL SYSTEM Proximity Switch with Delay COMPRESSOR Hermetic Model AKA9455ZXA CONDE...

Страница 6: ... Net 146 lbs 66 kg Shipping 170 lbs 77 kg CONNECTIONS ELECTRIC Permanent Connection WATER SUPPLY Inlet 1 2 FPT Condenser Inlet 1 2 FPT DRAIN Outlet 3 4 FPT Condenser Outlet 3 8 FPT 3 8 OD Pipe CUBE CONTROL SYSTEM Float Switch HARVESTING CONTROL SYSTEM Hot Gas and Water Thermistor and Timer ICE MAKING WATER CONTROL Timer Controlled Overflow Pipe COOLING WATER CONTROL Pressure Regulator BIN CONTROL ...

Страница 7: ...TIONS ELECTRIC Permanent Connection WATER SUPPLY Inlet 1 2 FPT Condenser Inlet 1 2 FPT DRAIN Outlet 3 4 FPT Condenser Outlet 3 8 FPT 3 8 OD Pipe CUBE CONTROL SYSTEM Float Switch HARVESTING CONTROL SYSTEM Hot Gas and Water Thermistor and Timer ICE MAKING WATER CONTROL Timer Controlled Overflow Pipe COOLING WATER CONTROL Pressure Regulator BIN CONTROL SYSTEM Proximity Switch with Delay COMPRESSOR He...

Страница 8: ...rmanent Connection WATER SUPPLY Inlet 1 2 FPT DRAIN Outlet 3 4 FPT 3 8 OD Pipe CUBE CONTROL SYSTEM Float Switch HARVESTING CONTROL SYSTEM Hot Gas and Water Thermistor and Timer ICE MAKING WATER CONTROL Timer Controlled Overflow Pipe COOLING WATER CONTROL N A BIN CONTROL SYSTEM Proximity Switch with Delay COMPRESSOR Hermetic Model AKA9455ZXA CONDENSER Air cooled Remote Condenser Unit URC 6F EVAPORA...

Страница 9: ... 1 8 460 mm 20 15 32 520 mm 21 15 16 557 mm 7 8 DIA HOLE 23 mm DIA 6 5 16 160 mm 2 15 16 75 mm 18 1 8 460 mm 6 16 x 3 4 10 mm x 20 mm 4 x 2 SLOTTED HOLES 17 1 8 435 mm 14 9 16 370 mm 14 1 8 358 mm 14 15 16 380 mm 15 11 16 398 mm 17 7 8 454 mm 2 1 2 63 mm 14 15 16 380 mm ...

Страница 10: ...g 68 lbs 31 kg One Shot Couplings Aeroquip Permanent Connection Air cooled Condensing Pressure Regulator Min 20 F Max 122 F 29 C to 50 C Outdoor use SPECIFICATIONS EXTERIOR DIMENSIONS W x D x H REFRIGERANT CHARGE WEIGHT CONNECTIONS REFRIGERANT ELECTRICAL CONDENSER HEAD PRESSURE CONTROL AMBIENT CONDITION MODEL URC 6F ...

Страница 11: ... Water Supply Inlet Control Switch Condenser Hot Gas Valve Expansion Valve Fan Motor Condenser Compressor Drier Float Switch Control Box Water Pump Bin Control Thermostat except models with Mechanical Bin Control Mechanical Bin Control except models with Thermostat ...

Страница 12: ...y Inlet Control Switch Water Regulator Expansion Valve Hot Gas Valve Compressor Float Switch Drier Water Pump Control Box Bin Control Thermostat except models with Mechanical Bin Control Mechanical Bin Control except models with Thermostat ...

Страница 13: ...trol Switch Junction Box Expansion Valve Receiver Tank Compressor Float Switch Drier Water Pump Hot Gas Valve Line Valve Control Box Bin Control Thermostat except models with Mechanical Bin Control Mechanical Bin Control except models with Thermostat ...

Страница 14: ...he board or the back of the board to prevent damage to the board 4 Do not change wiring and connections Do not misconnect K3 K4 and K5 because the same connector is used for the Thermistor white Float Switch black and Mechanical Bin Control red For machines with thermostat there is no connection on K4 5 Always replace the whole board assembly when it goes bad 6 Do not short out power supply to tes...

Страница 15: ...prevent this type of failure the Controller Board checks the position of the Float Switch at the end of the initial one minute water fill cycle and at the end of each defrost cycle If the Float Switch is in the up position electrical circuit closed the Controller Board changes to the ice making cycle If the Float Switch is in the down position electrical circuit open the Controller Board changes t...

Страница 16: ...nergizes Check for F S stuck closed up WV leaking by HGV leaking by TXV not feeding properly low charge or inefficient compressor To manually reset the above safeties depress white alarm reset button with the power supplyON 6 beeps every 3 sec Low Voltage Voltage is 92 Vac or less 7 beeps every 3 sec High Voltage Control voltage 147 Vac 5 The red LED will de energize if voltage protection operates...

Страница 17: ... white wire supplied to the K1 connector If there is a white wire place the switch in the C position If this switch is placed in the wrong position either the compressor contactor will remain ener gized with the control switch OFF or the unit will not start The dip switches should be adjusted per the adjustment chart published in the Tech Specs book Number 8 must remain in the OFF position ...

Страница 18: ...st 5 minutes in freeze cycle Ready to complete freeze cycle when Float Switch circuit opens 4 Defrost Timer stops counting Defrost cycle is completed and freeze cycle starts IMPORTANT Board never accepts freeze completion signal within the first 5 minutes in freeze cycle IMPORTANT 1 Board never accepts defrost completion signal within the first 2 minutes in defrost cycle 2 Defrost cycle time is li...

Страница 19: ...ANT Water Valve opening is limited to 6 minutes 5 After the first 5 minutes in freeze cycle Ready to complete freeze cycle when Float Switch circuit opens 4 Defrost Timer stops counting Defrost cycle is completed and freeze cycle starts IMPORTANT Board never accepts freeze completion signal within the first 5 minutes in freeze cycle IMPORTANT 1 Board never accepts defrost completion signal within ...

Страница 20: ... minutes 4 After the first 5 minutes in freeze cycle Ready to complete freeze cycle when Float Switch circuit opens 3 Defrost Timer stops counting Defrost cycle is completed and freeze cycle starts IMPORTANT Board never accepts freeze completion signal within the first 5 minutes in freeze cycle IMPORTANT 1 Board never accepts defrost completion signal within the first 2 minutes in defrost cycle 2 ...

Страница 21: ...rost cycle i e the minimum defrost time Switch Nos 5 and 6 Used for adjustment of the Drain Counter The Pump Motor drains the Water Tank at the frequency determined by the Drain Counter Switch No 7 Used only on models with mechanical bin control Dip Switch should be set ON Models with bin thermostat Switch No 7 should be set in the OFF position Switch No 8 Used only for checking the Controller Boa...

Страница 22: ...90 1 633 Check a thermistor for resistance by using the following procedures i Disconnect the connector K3 on the board ii Remove the Thermistor See V 11 REMOVAL AND REPLACEMENT OF THERMISTOR iii Immerse the Thermistor sensor portion in a glass containing ice and water for 2 or 3 minutes iv Check for a resistance between Thermistor leads Normal reading is within 3 5 to 7 kΩ Replace the Thermistor ...

Страница 23: ...ain the Water Tank every 10 cycles and no adjustment is required However where water quality is bad and the icemaker needs a pump drain more often the Drain Counter can be adjusted as shown in the table below 2 Defrost Timer No adjustment is required under normal use as the Defrost Timer is adjusted to the suitable position However if necessary when all the ice formed on the Evaporator does not fa...

Страница 24: ...lly within 10 seconds after ice contacts the Bin Control Thermostat Bulb SETTING FREQUENCY Dip Switch Dip Switch No 5 No 6 OFF OFF everycycle ON OFF every2cycles OFF ON every5cycles ON ON every10cycles 5 Freeze Timer CAUTION Adjust to proper specification or the unit may not operate correctly Two new dip switches numbered 9 and 10 have been added to the improved E board to better prevent possible ...

Страница 25: ...t a 1 5 kΩ 3 5 kΩ resistor to the Connector K3 pins 1 and 2 and energize the unit After the 1 minute 5 second water supply cycle and the 2 minute 10 second defrost cycle the unit should start the freeze cycle ii After the above step i disconnect the Float Switch leads from the Controller Board within the first 5 minutes of the freeze cycle The unit should go into the defrost cycle after the first ...

Страница 26: ...ontrol board to shut down the unit iii When the bin control is in the normal position bin is not full a 7 9 KΩ reading is sent to the control board to continue operation 2 During operation the controller board will only shut down the machine if a 15 8 KΩ signal is received from the bin control during the first 5 minutes of the freeze cycle i If ice pushes the lever to the right after the first fiv...

Страница 27: ...related issues are resolved ii Dip switch No 7 should be in the on position If the switch is in the off position the controller board will not receive input from the bin control iii Move the lever to the far right a If the machine does not shut off check the resistance values of the resistor wire harness You should read approximately 15 8 KΩ between the black terminal and the red terminal that con...

Страница 28: ...28 III TECHNICAL INFORMATION 1 WATER CIRCUIT AND REFRIGERANT CIRCUIT a KM 500MAH ...

Страница 29: ...29 b KM 500MWH ...

Страница 30: ...30 c KM 500MRH ...

Страница 31: ...AMS a KM 500MAH with auxiliary codes L 0 M 0 and M 1 and KM 500MWH with auxiliary codes L 0 M 0 M 1 M 2 M 3 Note Pressure Switch MAH MWH Cut out 412 PSIG Cut in 327 21 PSIG 21 0 Cut out 384 PSIG Cut in 284 21 PSIG 21 0 ...

Страница 32: ...32 KM 500MAH with auxiliary codes M 2 and after and KM 500MWH with auxiliary codes M 4 and after ...

Страница 33: ...33 U1GMA0179608 Note Pressure Switch Cut out 412 PSIG Cut in 327 21 PSIG 21 0 b KM 500MRH with auxiliary codes L 0 M 0 M 1 ...

Страница 34: ...34 b KM 500MRH with auxiliary codes M 2 and after ...

Страница 35: ...35 3 TIMING CHART ...

Страница 36: ...36 ...

Страница 37: ... 32 min 100 38 70 21 80 27 90 32 min 100 38 70 21 244 17 2 263 18 5 285 20 1 80 27 259 18 2 289 20 3 308 21 7 90 32 263 18 5 310 21 8 331 23 3 PSIG kg cm2 G 100 38 266 18 7 315 22 1 350 24 6 70 21 49 3 4 52 3 7 54 3 8 80 27 51 3 6 56 3 9 57 4 0 90 32 52 3 7 59 4 1 61 4 3 PSIG kg cm2 G 100 38 52 3 6 59 4 2 62 4 4 3 3 2 6 2 0 8206 BTU h AT 90ºF 32ºC WT 70ºF 21ºC 3 3 2 0 27 28 29 31 33 37 WATER TEMP ...

Страница 38: ...281 19 8 291 20 5 90 32 281 19 7 282 19 8 293 20 6 PSIG kg cm2 G 100 38 284 20 0 284 20 0 298 21 0 70 21 53 3 7 54 3 8 55 3 9 80 27 54 3 8 56 3 9 57 4 0 90 32 54 3 8 57 4 0 58 4 1 PSIG kg cm2 G 100 38 54 3 8 57 4 0 59 4 1 WATER FLOW FOR CONDENSER 51 gal h AT 100ºF 38ºC WT 90ºF 32ºC TOTAL HEAT OF REJECTION FROM COMPRESSOR PRESSURE DROP OF COOLING WATER LINE 6976 BTU h AT 90ºF 32ºC WT 70ºF 21ºC 1543...

Страница 39: ...0 3 5 52 3 6 54 3 8 80 27 51 3 6 54 3 8 56 3 9 90 32 52 3 6 56 3 9 58 4 1 PSIG kg cm2 G 100 38 52 3 7 56 4 0 60 4 2 WATER FLOW FOR CONDENSER 49 gal h AT 100ºF 38ºC WT 90ºF 32ºC 29 3 9 27 27 28 28 30 31 WATER TEMP ºF ºC AMBIENT TEMP ºF ºC 50 10 70 21 90 32 1140 1144 1145 APPROXIMATE ICE PRODUCTION PER 24 HR APPROXIMATE ELECTRIC CONSUMPTION APPROXIMATE WATER CONSUMPTION PER 24 HR FREEZING CYCLE TIME...

Страница 40: ... 2 265 18 6 80 27 241 17 0 264 18 6 284 20 0 90 32 245 17 2 280 19 7 300 21 1 PSIG kg cm2 G 100 38 249 17 5 285 20 0 319 22 4 70 21 47 3 3 50 3 5 52 3 7 80 27 49 3 4 53 3 7 55 3 9 90 32 50 3 5 56 3 9 58 4 1 PSIG kg cm2 G 100 38 50 3 5 56 4 0 60 4 2 2 0 2 0 3 0 2 5 2 1 26 27 27 29 31 33 WATER TEMP ºF ºC AMBIENT TEMP ºF ºC 50 10 70 21 90 32 1206 1221 1225 APPROXIMATE ICE PRODUCTION PER 24 HR APPROXI...

Страница 41: ... Check for continuity and Control replace f Transformer 1 Thermal fuse blown out 1 Replace or coil winding opened g Wiring to 1 Loose connections or 1 Check for continuity and Controller Board open replace h Thermistor 1 Leads short circuit or 1 See II 2 d CONTROLS open and High AND ADJUSTMENTS 1 Temperature Safety Defrost Control operates i Hot Gas Solenoid 1 Continues to open in 1 Check for powe...

Страница 42: ...t 1 6 water cooled model 6 Refrigerant line or 6 Clean and replace Drier components plugged c Water Regulator 1 Set too high 1 Adjust lower d Overload Protector 1 Bad contacts 1 Check for continuity and replace 2 Voltage too low 2 Increase voltage 3 Refrigerant overcharged or 3 Recharge undercharged 4 Line Valve continues to 4 Check Line Valve s close in freeze cycle and operation in freeze cycle ...

Страница 43: ...Controller Board 1 Defective 1 See II 2 e CHECKING CONTROLLER BOARD 6 Fan Motor will a Fan Motor 1 Motor winding opened 1 Replace not start or is 2 Bearing worn out 2 Replace not operating 3 Wiring to Fan Motor 3 Check for loose connection or open and replace 4 Defective Capacitor 4 Replace 5 Fan blade bound 5 Check and replace b Controller Board 1 Defective 1 See II 2 e CHECKING CONTROLLER BOARD ...

Страница 44: ...ation in harvest cycle harvest cycle and replace f Thermistor 1 Out of position or loose 1 See V 11 REMOVAL attachment AND REPLACEMENT OF THERMISTOR g Controller Board 1 Defrost Timer is set too 1 Adjust longer referring short to II 2 d CONTROLS AND ADJUSTMENT 2 Defrost Timer 2 Defective 2 See II 2 e CHECKING CONTROLLER BOARD 3 Others a Spray Tubes 1 Clogged 1 Clean 2 Out of position 2 Place in po...

Страница 45: ...ls into bin b See chart 1 5 and check water supply line Water Solenoid Valve water system Pump Motor or Controller Board c Drain Valve 1 Dirty 1 Clean 2 Cloudy or a See chart 2 1 and 3 and check Float Switch Water Solenoid Valve irregular cube Controller Board Spray Tubes water system refrigerant charge or Expansion Valve b Spray Guide 1 Dirty 1 Clean c Water Quality 1 High hardness or contains 1 ...

Страница 46: ...gerant Access Valves one on the low side and one on the high side line Using proper refrigerant practices recover the refrigerant from the Access Valves and store it in an approved container Do not discharge the refrigerant into the atmosphere b EVACUATION AND RECHARGE R 404A 1 Attach Charging Hoses a Service Manifold and a Vacuum Pump to the system Be sure to connect charging hoses to both High a...

Страница 47: ...ant Access Valves and disconnect the Hoses and Service Mani fold 10 Cap the Access Valves to prevent a possible leak 2 BRAZING DANGER 1 Refrigerant R 404A itself is not flammable at atmospheric pressure and temperatures up to 176 F 2 Refrigerant R 404A itself is not explosive or poisonous However when exposed to high temperatures open flames R 404A can be decomposed to form hydrofluoric acid and c...

Страница 48: ...power supply 2 Remove the panels 3 Recover the refrigerant and store it in an approved container 4 Remove the Terminal Cover on the Compressor and disconnect the Compressor Wiring 5 Remove 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 Install the new Compressor 8 A...

Страница 49: ...dels see the Nameplate for the required refrigerant charge For remote air cooled models see the Charge Label in the machine compartment 16 Connect the Terminals and replace the Terminal Cover in its correct position 17 Replace the panels in their correct positions 18 Turn on the power supply ...

Страница 50: ...ks using nitrogen gas 140 PSIG and soap bubbles 7 Evacuate the system and charge it with refrigerant For air cooled and water cooled models see the Nameplate for the required refrigerant charge For remote air cooled models see the Charge Label in the machine compartment 8 Replace the panels in their correct positions 9 Turn on the power supply 5 REMOVAL AND REPLACEMENT OF EXPANSION VALVE IMPORTANT...

Страница 51: ...aks using nitrogen gas 140 PSIG and soap bubbles 9 Evacuate the system and charge it with refrigerant For air cooled and water cooled models see the Nameplate for the required refrigerant charge For remote air cooled models see the Charge Label in the machine compartment 10 Attach the Bulb to the suction line in position Be sure to secure it with clamps and to insulate it 11 Place the new set of E...

Страница 52: ... to prevent the valve from overheating Do not braze with the valve body exceeding 250 F 7 Install the new Drier 8 Check for leaks using nitrogen gas 140 PSIG and soap bubbles 9 Evacuate the system and charge it with refrigerant For air cooled and water cooled models see the Nameplate for the required refrigerant charge For remote air cooled models see the Charge Label in the machine compartment 10...

Страница 53: ...sis 5 Remove the Insulation Tube and disconnect the Evaporator Inlet Tubing at the Tee next to the Expansion Valve 6 Lift up the Evaporator and disconnect the Evaporator Outlet Tubing 7 Install the new Evaporator 8 Install the new Drier 9 Check for leaks using nitrogen gas 140 PSIG and soap bubbles 10 Evacuate the system and charge it with refrigerant For air cooled and water cooled models see the...

Страница 54: ...r 5 Disconnect the Capillary Tube at the Condenser outlet using brazing equipment 6 Disconnect the Flare connections of the valve 7 Remove the screws and the valve from the Bracket 8 Install the new valve and braze the Capillary Tube 9 Install the new Drier 10 Check for leaks using nitrogen gas 140 PSIG and soap bubbles 11 Evacuate the system and charge it with refrigerant See the Nameplate for th...

Страница 55: ...stem Or prepare a thermometer to check for the condenser drain temperature 2 Rotate the adjustment screw by using a flat blade screwdriver so that the pressure gauge shows the temperature specified in the table 5 minutes after a freeze cycle or icemaking process starts When the pressure exceeds 270 PSIG or the condenser drain temperature exceeds the temperature range rotate the adjustment screw co...

Страница 56: ...k off the stub on the dome to release the dome charge 5 Disconnect the C P R using brazing equipment 6 Install the new C P R Use nitrogen gas at the pressure of 3 4 PSIG when brazing the C P R WARNING Always protect the C P R body by using a damp cloth to prevent the C P R from overheating Do not braze with the C P R body exceeding 250 F 7 Install the new Drier in the icemaker 8 Check for leaks us...

Страница 57: ...ol Box Cover 4 Disconnect the Thermistor leads from the K3 Connector on the Controller Board 5 Remove the Plastic Cable Ties Foam Insulation Thermistor Holder and Thermistor See Fig 2 6 Scrape away the old sealant on the Thermistor Holder and the Suction Pipe 7 Wipe off moisture or condensation on the Suction Pipe 8 Smoothly apply recommended sealant KE4560RTV Part Code 60Y000 11 or 4A0683 01 to t...

Страница 58: ...ller Board Note Do not cut the leads of the Thermistor while installing it 12 Replace the Control Box Cover and the panels in their correct positions 13 Turn on the power supply 12 REMOVAL AND REPLACEMENT OF FAN MOTOR Note When replacing a Fan Motor with defective winding it is recommended that a new capacitor be installed 1 Turn off the power supply 2 Remove the panels 3 Remove the Junction Box C...

Страница 59: ...e Shut off Valve 3 Remove the Front Panel 4 Remove the Valve Outlet Tubing by releasing the Clamp 5 Remove the Bracket from the unit 6 Remove the Fitting Nut and Water Valve 7 Disconnect the Terminals from the Water Valve 8 Install the new Water Valve and replace the removed parts in the reverse order of which they were removed 9 Open the Water Supply Line Shut off Valve 10 Turn on the power suppl...

Страница 60: ...nd replace the removed parts in the reverse order of which they were removed 13 Turn on the power supply and check for leaks 14 Replace the Base Cover in its correct position 15 Replace the Front Panel in its correct position 15 REMOVAL AND REPLACEMENT OF SPRAY TUBES 1 Turn off the power supply 2 Remove the Front Panel and the Insulation Panel 3 Remove the Rubber Hoses from the Spray Tubes Water S...

Страница 61: ...aker until the proper ambient temperature is resumed When the icemaker is not used for two or three days it is sufficient to only move the Control Switch to the OFF position unless the icemaker will be at sub freezing tem peratures 1 On water cooled model only first remove the water from the water cooled condenser 1 Remove the Front Panel 2 Move the Control Switch on the Control Box to the OFF pos...

Страница 62: ...he ICE position 8 Blow the potable water line out using compressed air or carbon dioxide 3 Drain the Potable Water Tank 1 Turn off the power supply 2 Move the Control Switch to the OFF position 3 Drain the Water Tank by removing the base cover and one end of the pump tubing See Fig 4 4 Replace the removed parts in their correct positions 5 Remove all ice from the Storage Bin and clean the Storage ...

Страница 63: ... 3 Always wear liquid proof gloves for safe handling of the cleaning and sanitizing solution This will prevent irritation in case the solution comes into contact with skin IMPORTANT 1 The Cleaning Valve is used to allow solution flow to the inside of the Evaporator during the cleaning and sanitizing operation It should be closed for all icemaking operation The Compressor will not operate unless th...

Страница 64: ...Tank by removing one end of the Pump Tubing See Fig 4 7 Replace the removed parts in their correct positions 8 Pour the cleaning solution into the Water Tank 9 Fully open the Cleaning Valve on the left side wall of the machine compartment 10 Move the Control Switch on the Control Box to the WASH position 11 Replace the Insulation Panel and the Front Panel in their correct positions 12 Turn on the ...

Страница 65: ...25 Turn on the power supply to rise off the cleaning solution 26 Turn off the power supply after 5 minutes 27 Remove the Front Panel and Insulation Panel 28 Drain the Water Tank by removing one end of the Pump Tubing See Fig 4 29 Replace the removed parts in their correct positions Note Do not replace the InsulationPanel when you proceed to b SANITIZING PROCEDURE 28 Repeat the above steps 17 throu...

Страница 66: ... 5 Turn on the power supply and start the sanitizing process 6 Turn off the power supply after 15 minutes 7 Remove the Front Panel and if necessary the Insulation Panel 8 Drain the Water Tank See the above step 5 in a CLEANING PROCEDURE 9 Replace the removed parts and the Insulation Panel in their correct position 10 Repeat the above steps 17 through 29 in a CLEANING PROCEDURE two times to rinse t...

Страница 67: ...up 2 Storage Bin and Scoop Wash your hands before removing ice Use the plastic scoop provided The Storage Bin is for ice use only Do not store anything else in the bin Keep the scoop clean Clean it by using a neutral cleaner and rinse thoroughly Clean the bin liner by using a neutral cleaner Rinse thoroughly after cleaning 3 Condenser Except water cooled model Check the Condenser once a year and c...

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