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SERVICE MANUAL

BLMI-500AD

VER200626

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Содержание BLMI-500AD

Страница 1: ...SERVICE MANUAL BLMI 500AD VER200626 ...

Страница 2: ...1 6 Assembly structure 1 7 Specifications 2 Technical information 2 1 Water and refrigeration system 2 2 Operation 2 3 Control board 3 Troubleshooting 3 1 Parts operation check 3 2 How to update main control board program 3 3 Error codes 3 4 Problems and resolutions 4 Circuit diagrams and technical data 4 1 Circuit diagrams 4 2 Performance data 4 3 Evaporator sensor data ...

Страница 3: ...the ice machine must be potable and of food grade High pressure refrigerant is charged into the ice machine Be careful not to damage the refrigerant circuit during installation maintenance and service Remove remaining water on the bottom side of the ice machine and any other things may cause danger before installation maintenance and service Turn off the power and disconnect electrical connection ...

Страница 4: ...C a 4 digits CIS code for specific model b 1 digit Product group c 2 digits Manufacturing site supplier code d 1 digit Manufacturing year e 1 digit Manufacturing month f 5 digits Serial number 00001 99999 BLMI 500AD B Blue Air on US model only L Lassele Our brand in S Korea M Modular or U Undercounter I Crescent shaped ice Daily ice Production in LBS A Air cooled W Water cooled D Dispenser ...

Страница 5: ...t edges of modular head and ice storage bin level and in alignment Is the air vent pipe for the machine and drain line for ice storage bin separated Is there an air gap at the end of the drain pipe of the ice storage bin Have the modular head and ice storage bin been checked and cleaned after installation Is the drain pipe easily disconnected from the modular head Is there 8 200mm minimum clearanc...

Страница 6: ...imum of 2 50mm vertical clearance between drainage pipe end and drainage hole Drain outlet 3 4 FPT Shut Off valve valve CCVVCD Copper pipe Minimum ID 1 4 Drain valve Vent tube Hard pipe Minimum ID 3 4 Bin drain outlet 3 4 FPT Water supply inlet 3 8 FPT Floor drain ...

Страница 7: ...embly structure 1 BLMI 500AD Evaporator Spray Tubes Water inlet Valve Cleaning Valve Level Sensor Water Pump Control box Water Valve Compressor Drier Fan Motor Condenser Hot gas Valve Bin control Drain Valve ...

Страница 8: ...pply voltage 115V 60Hz Amperage power consumption 14A 1100W AT90 WT70 AT32 WT21 Maximum Fuse Circuit Breaker 15A Product size W D H 30 24 20 inch 762 610 560 mm Weight 126 lbs 57 kg Per Cycle lb Cubes 9 18 lbs 4 16 kg 432 Cubes Refrigerant R 410A ...

Страница 9: ... 1 Water and refrigerant system Refrigerant Circuit Water Circuit Comp essor Water Pump Spray Tube Level Sensor Evaporator Supply Tube Overflow Hot gas V V Exp V V Water V V Fan Motor V V Water inlet V V Cleaning V V Drain V V ...

Страница 10: ...r Comp On HGV On LV Off FM Off PM Off WV On WV On HGV On THRMISTOR 7 PM On Thermistor 1 reaches PM 15s Off Ice Seonsor in control Comp On HGV Off LV On FM On PM On WV Off FS Open LS Open Comp On HGV On LV Off FM Off PM Off DV On Or PM On MAX 25 min MAX 60 min Comp Compressor HGV Hot Gas Valve LV Liquie Valvve FM Fan Motor PM Pump Motor WV Water Valve LS Level Sensor DV Deain Valve ...

Страница 11: ...2 During ice storage bin is full s DRAIN CYCLE Bin Full WATER FILL CYCLE DV Off Or PM Off DV On Or PM On WV On HGV On Comp On HGV On LV Off FM Off PM Off WV On LS Close ...

Страница 12: ...cycle 2 being harvest cycle and 3 being freezing cycle 02 means the water has been supplying the machine for 20 seconds The last 2 digits tell you the time Simply multiply by 10 and you will have the exact number of seconds the water cycle has been active Harvest The action of dropping a batch of ice from the evaporator into the bin is called the Harvest cycle The ice machine continues to repeat h...

Страница 13: ...e The ice machine has regular drainage intervals When the ice bin is full the machine will drain water regularly from the machine directly following the freezing cycle The drainage interval last from 10 20 seconds Regular drainage time and interval can be adjusted once the water conditions are ascertained at the site of installation The ice machine will go into the drainage interval if the ice sto...

Страница 14: ...N 6 XC 2 LF 1 XC 1 VA 8 VA 5 VA 2 BD1 CN 13 CN 2 Liquid V V Cleaning V V Drain V V Water Pump C C W Water V V Fan Motor Hat Gas V V Water Pump C W Compressor Power Bin Sensor Float Switch Evaporator Sensor Control PCB CN 5 RLY 7 RLY 6 RLY 9 VA 7 VA 6 VA 4 VA 3 RLY 3 VA 9 CN2 1 CN 4 HS1 Transformer ...

Страница 15: ... water supply cycle for 20 seconds 2 Harvest cycle xx Elapsed time x 1 minute Ex 2 02 In harvest cycle for 20 seconds 3 Freezing cycle xx Elapsed time x 1 minute Ex 3 02 In freezing cycle for 20 seconds In drainage cycle In cleaning cycle Need to add cleaner or sanitizer Cleaning cycle is completed Status LED lamp Display Buttons ...

Страница 16: ...rature error E9 Bin switch error HI Ambient temperature is over 45 113 LO Ambient temperature is lower than 5 41 E1 If the freezing cycle exceeds 60 mins for the first time the ice machine will activate the harvest cycle This is called a forced harvest E1 will be displayed if the same situation happens again E2 If the harvest cycle exceeds 25 mins for the first time the ice machine will activate t...

Страница 17: ...ed If the float switch continues to sense insufficient water levels during the second harvest cycle E6 If the evaporator sensor is either damaged or disconnected E7 If main PCB is not operating properly E8 If ambient temperature sensor is damaged E9 If bin switch is either not properly assembled or disconnected HI will be displayed if ambient temperature is over 45 113 LO will be displayed if ambi...

Страница 18: ...r valve to aid in the system evacuation in the lines if necessary Status check Once the check button is pressed the display will cycle through the status of each of the categories below Simply press check again to get to the next operation in the sequence If there is no further activity on the check button the display will automatically return to the standard operation status display Sequence Stat...

Страница 19: ...be displayed 3 Press check button again to adjust P 1 setting result The setting can be adjusted up or down by pressing power or wash buttons 4 P 2 after pressing the check button again P 2 will be displayed 5 Refer to following table to check each parameter s meaning and further information 6 Press check button for five seconds to get out of the parameter setting mode ...

Страница 20: ...est delay time when ambient temperature is low 60 300 sec 5 sec 3 P 3 drainage cycle interval 1 10 1 2 5 10 4 P 4 Sensor temperature correction 2 2 4 4 0 1 1 5 P 5 Set water pump delay time to prevent ice from becoming slush 10 60 sec 1 6 P 6 Set PCB program 25A 90A 7 P 7 Reset freezing cycle count 0 1 1 8 P 8 Set drainage time 10 20 sec 10 9 P 9 Set water supply time during harvest 0 300 sec 10 1...

Страница 21: ...orrection Set the correct temperature range if there is a temperature discrepancy between sensor and actual thermometer Default 0 P 5 Set water pump delay time to prevent ice from turning to slush Set the pump motor to stop when the evaporator sensor reads the set temperature This will prevent the ice from turning to slush Default 15 seconds P 6 Set PCB program Default setting depends on model P 7...

Страница 22: ...seconds 2 Press and hold wash button for 5 seconds to activate test mode 3 Off will be displayed 4 C will be displayed The compressor will turn on to show the compressor is working 5 To cycle through all the working parts of the machine simply press the wash button again Refer to the table below for further information 6 To exit the test mode press and hold wash button when off is displayed on the...

Страница 23: ...n Drainage 5 H Hot gas valve On 6 F Fan motor On 7 E Water valve On 8 AC Cleaning valve On 9 AS Water valve On 10 d Drain On 11 Dyc Water valve on Factory use only Cleaning valve on Drain valve on The test mode only shows available parts for each machine If the ice machine does not have a certain part the test code for that part will not show up on the display ...

Страница 24: ...le the machine is in operation Water supply Freezing or Harvesting Cycles Press and hold down the plate flap on bin switch FUll will be displayed after 10 seconds if the bin switch properly works FUll will disappear within 5 seconds after releasing the plate flap Flap ...

Страница 25: ...g Cycle Lift the float switch to its highest level and then proceed to slowly push the float switch all the way down to the lowest position The display will show a green light to indicate the float is at the lowest position A Red light will appear if the float switch cannot sense the lowest position Float ...

Страница 26: ... PCB Turn off the ice machine Disconnect the machine from the main power source Connect EPGM to main power Connect the reset pin connector from the EPGM to the reset pin on main PCB Press button on EPGM Beep alarm will sound when update is done Writing pin Reset pin Reset pin connector Button ...

Страница 27: ...compressor Replace necessary parts Refrigerant pipe line is clogged Replace it No Yes No Is the ice too small Is the water level sensor properly assembled and working No Replace reassemble water level sensor or clean it No Yes Check drainage pipe if it is overflowing while water tank is full Yes Is pump motor thermal protector working No Yes Check environmental conditions Ambient and water tempera...

Страница 28: ... leaks repair and recharge refrigerant Yes Is the evaporator sensor properly insulated Yes Proceed with evaporator sensor temperature correction P 4 No Are environmental conditions within specification c onc No Change location of install Yes Does hot gas valve work No Replace valve coil Yes Is the PCB program latest version No 1 Replace main PCB 2 Update program Yes Refrigerant pipe line is clogge...

Страница 29: ...40 Evaporator temperature sensor is over 60 140 No Change installation place Yes No Replace sensor Yes Insulate evaporator sensor Are the environmental conditions within specification Does the temperature sensor reading and the actual temperature match ...

Страница 30: ...e drainage line Is the drainage line inside of the ice machine properly connected Yes Is the water drained while test mode Replace parts related to drainage No Replace main PCB Yes Does water level sensor work No Replace water level sensor Yes Is the correct pump motor installed No Check drainage line outside of the ice machine Air vent installation and hose size Yes Replace pump motor No No ...

Страница 31: ...ensor keeps catching low water level Is water properly supplied No Check water supply pipe and valve Is supplied water pressure okay No Adjust water pressure Replace water level sensor Evaporator sensor error Is the sensor properly connected Connect sensor No Yes Sensor is damaged Replace sensor or harness ...

Страница 32: ...mbient temperature error 3 3 9 E9 Bin switch error E7 is showing up Repalce main PCB Replace display controller Bin switch error Is the sensor properly connected Connect sensor No Yes Sensor is damaged Replace sensor or harness E8 is showing up ...

Страница 33: ...s lower than 5 41 HI is showing up Is the actual ambient temperature over 45 113 Replace display controller No Yes Check environmental condition and change installation place if necessary LO is showing up Check environmental condition and change installation place if necessary ...

Страница 34: ...o small Is water level sensor properly assembled Yes No Replace reassemble water level sensor or clean it Is water drained during freezing cycle No Re assemble overflow pipe Yes Adjust water pressure Is supplied water pressure okay No Yes Check if evaporator is bent ...

Страница 35: ...tion place No Is drainage line properly assembled Yes Check drainage line outside of the ice machine Air vent installation and hose size No Yes Set longer harvest delay time by using P 2 on parameter setting instruction Is the PCB program latest version Yes 1 Replace main PCB 2 Update program No ...

Страница 36: ...e machine Does main power supply work Check power source and circuit breaker No Does fuse properly work Change fuse No Is harness properly connected Connect harness No Yes Yes Does voltage transformer work Yes Change voltage transformer No Yes Replace main PCB ...

Страница 37: ...4 Circuit diagrams and technical data 4 1 Circuit diagrams 4 1 1 BLMI 500AD 115V 60Hz ...

Страница 38: ...0 9 9 6 Approximate water consumption per 24hr gal day m 3 day 70 21 81 0 31 76 0 29 69 0 26 80 27 75 0 28 69 0 26 64 0 24 90 32 69 0 26 62 0 24 69 0 26 100 38 64 0 24 60 0 23 58 0 22 Approximate electric consumption per 24hr kWh day 70 21 19 3 20 0 20 7 80 27 20 6 21 7 22 3 90 32 22 2 28 6 23 3 100 38 24 6 25 1 25 5 Approximate ice production per 24hr Ib day kg day 70 21 530 241 494 224 437 198 8...

Страница 39: ...fter 5min 70 21 70 4 5 0 91 0 6 4 105 3 7 4 80 27 76 8 5 4 98 1 6 9 112 4 7 9 90 32 84 6 6 0 89 3 6 3 93 9 6 6 100 38 85 3 6 0 93 9 6 6 101 0 7 1 Stable 70 21 51 9 3 7 54 0 3 8 53 3 3 8 80 27 55 5 3 9 55 5 3 9 55 5 3 9 90 32 57 6 4 1 58 0 4 1 58 3 4 1 100 38 61 2 4 3 61 2 4 3 61 2 4 3 High pressure in harvest psig kgf g Stable 70 21 171 4 12 1 268 8 18 9 295 8 20 8 80 27 184 2 13 0 280 2 19 7 326 ...

Страница 40: ...6 7 01 56 1 78 96 0 582 23 37 2 17 6 75 57 1 72 97 0 568 22 35 5 18 6 50 58 1 67 98 0 554 21 33 9 19 6 26 59 1 62 99 0 540 20 32 3 20 6 03 60 1 57 100 0 527 19 30 8 21 5 80 61 1 53 101 0 514 18 29 4 22 5 59 62 1 48 102 0 501 17 28 1 23 5 39 63 1 44 103 0 489 16 26 8 24 5 20 64 1 40 104 0 477 15 25 6 25 5 01 65 1 35 105 0 466 14 24 5 26 4 83 66 1 32 106 0 455 13 23 4 27 4 66 67 1 28 107 0 444 12 22...

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