Scotsman MV 1000 Technical Service Training Download Page 136

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LOCATION OF REFRIGERANT COMPONENTS

COMPONENTS - REFRIGERANT SYSTEM

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COMPRESSOR

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CONDENSER

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EVAPORATOR

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TXV VALVE

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HEAT EXCHANGER

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DRIER

MV 300-450-600-1000

Summary of Contents for MV 1000

Page 1: ... Welcome to another Scotsman Scotsman technical technical service service presentation presentation This This one will one will cover cover the the NEW MV NEW MV Series Modular Ice Cube Machines Series Modular Ice Cube Machines models models MV 300 MV 300 MV 450 MV 600 MV 450 MV 600 and and MV 1000 MV 1000 ...

Page 2: ...es UNPACKING UNPACKING INSTALLATION INSTALLATION START UP AND OPERATIONAL CHECKS START UP AND OPERATIONAL CHECKS OPERATING PRINCIPLES and COMPONENTS OPERATING PRINCIPLES and COMPONENTS MAINTENANCE MAINTENANCE SERVICE ANALYSIS SERVICE ANALYSIS MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 3: ...UNPACKING UNPACKING UNPACKING MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 4: ...a carton box secured by two plastic strips to a wooden base Check first the outside conditions of carton box and wooden base then cut the two plastic strips remove the tape and then the carton box MV 300 MV 300 MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 5: ...UNPACKING UNPACKING MV 450 600 1000 MV 450 600 1000 MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 6: ...UNPACKING UNPACKING Visually inspect the exterior of the machine then remove the front panel and the two side panels MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 7: ...UNPACKING UNPACKING Remove the water inlet and outlet hoses as well as MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 8: ...UNPACKING UNPACKING the air baffle on the air cooled version MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 9: ...UNPACKING UNPACKING Unscrew the unit frame from the wooden base MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 10: ...odular Cuber machines require for the installation the use of a companion storage bin to store the ice produced Storage bins required are B 193 for MV 300 B 393 for MV 450 600 1000 B 193 MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 11: ...ACKING Unpack the storage bin and visually inspect the exterior then remove from the inside the carton box containing the legs as well as the drain hose and the plastic scoop MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 12: ...INSTALLATION INSTALLATION INSTALLATION MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 13: ...On B 193 393 Storage Bin install the four legs and their adjusting leveling nuts on the bottom base INSTALLATION INSTALLATION MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 14: ...Place the storage bin in its definitive location then install on top of its upper side the rubber gasket then INSTALLATION INSTALLATION MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 15: ... install on top of the same the ice machine and secure it with the two screws INSTALLATION INSTALLATION MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 16: ...Remove the plastic tape securing the plastic cover to the vertical evaporator then INSTALLATION INSTALLATION MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 17: ... remove one O ring and the plastic cover INSTALLATION INSTALLATION MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 18: ...out the adhesive tape holding the Ice Thickness Sensor to the front cells of the evaporator then re install the plastic cover with its O ring INSTALLATION INSTALLATION MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 19: ...On air cooled version unloose the three screws securing the air cooled condenser to the unit frame INSTALLATION INSTALLATION MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 20: ... and install the metal plate air baffle on the back side of the machine so INSTALLATION INSTALLATION MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 21: ... to minimize the possible recycling of hot air through the right side lowered panel INSTALLATION INSTALLATION MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 22: ...arator grants also a minimum distance between the back side of the machine and the wall so to assure a correct and adequate ventilation TOP VIEW MINIMUM MINIMUM DISTANCE DISTANCE INSTALLATION INSTALLATION MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 23: ...TION Check the data plate of the machine located on the rear panel for correct voltage as well as for the proper wiring fuse size Remember that all machines require a solid earth wire MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 24: ... Max ambient temperature Max ambient temperature 40ºC 100F 40ºC 100F Min water temperature Min water temperature 5ºC 40F 5ºC 40F Max water temperature Max water temperature 35ºC 90F 35ºC 90F Min water pressure Min water pressure 1 bar 14 PSI 1 bar 14 PSI Max water pressure Max water pressure 5 bar 70 PSI 5 bar 70 PSI MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 25: ...00 450 600 1000 INSTALLATION INSTALLATION Adequate space must left for proper water and electrical connections on the rear side of the machine and a minimum clearance of 15 cm on right side for best routing air Min space 15 cm ...

Page 26: ...MV 300 MV 300 COLD AIR COLD AIR HOT AIR HOT AIR INSTALLATION AIR CIRCULATION INSTALLATION AIR CIRCULATION COMPRESSOR FAN MOTOR ICE CHUTE OPENING CONDENSER EVAPORATOR ...

Page 27: ...MV 450 600 1000 MV 450 600 1000 COLD AIR COLD AIR HOT AIR HOT AIR INSTALLATION AIR CIRCULATION INSTALLATION AIR CIRCULATION COMPRESSOR FAN MOTOR ICE CHUTE OPENING CONDENSER EVAPORATOR ...

Page 28: ...MV 450 600 1000 MV 450 600 1000 STACKING INSTALLATION STACKING INSTALLATION Stacking installation require the use of a special ice chute connection to be installed on the bottom machine KSC KSC ...

Page 29: ...INSTALLATION INSTALLATION Level the unit on both directions front to rear and right to left side using the adjustable legs MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 30: ...AL Install on the cable supply with the machine an adaguate electrical plug according to the local standards and regulations Maximum voltage variation should be 10 Machine must be individually fuse protected MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 31: ...nnect the water inlet 3 4 male threat of the water inlet fitting to the water supply line by means of the rubber hose provided with machine Install on water supply line closed to the machine a water valve tap MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 32: ...ct the 20 mm O D fitting of the water drain with the flexible hose supply with the machine with its proper clamp As water will be mainly drained under pressure by water pump it is not necessary to have a vented drain MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 33: ...TYPICAL INSTALLATION TYPICAL INSTALLATION POWER WATER INLET WATER DRAIN HAND DISCONNECT SWITCH WATER FILTER WATER VALVE WATER DRAIN AIR COOLED AIR COOLED MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 34: ...TYPICAL INSTALLATION TYPICAL INSTALLATION WATER COOLED WATER COOLED POWER WATER INLET WATER DRAIN HAND DISCONNECT SWITCH WATER FILTER WATER VALVE WATER DRAIN MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 35: ...START UP AND OPERATIONAL CHECKS START UP AND START UP AND OPERATIONAL OPERATIONAL CHECKS CHECKS MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 36: ... Open the water tap valve START UP AND OPERATIONAL CHECKS START UP AND OPERATIONAL CHECKS MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 37: ... Switch ON the power on the electrical supply line START UP AND OPERATIONAL CHECKS START UP AND OPERATIONAL CHECKS MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 38: ...t Up mode with the PC Board energized as well as the Green LED of the machine under power START UP START UP The Green LED of machine in operation is energized too blinking fast for 40 seconds MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 39: ...During the Start Up cycle the components in operation are Hot gas valve START UP START UP MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 40: ...During the Start Up cycle the components in operation are Hot gas valve Water Drain Valve START UP START UP MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 41: ...During the Start Up cycle the components in operation are Hot gas valve Water Drain Valve Water Pump START UP START UP MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 42: ...ter drain valve 0 40 Compressor Water pump Water inlet valve Hot gas valve Water drain valve 0 40 Start up cycle resuming chart Start up cycle resuming chart Start up cycle resuming chart FREEZING CYCLE FREEZING CYCLE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 43: ...fter the Start Up cycle the machine enters directly into the Freezing cycle with the following components energized Water Inlet Valve FREEZING CYCLE FREEZING CYCLE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 44: ... Water Inlet Valve Compressor FREEZING CYCLE FREEZING CYCLE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 45: ... Water Inlet Valve Compressor Fan motor in continuous operation for the first 3 minutes FREEZING CYCLE FREEZING CYCLE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 46: ...The LED energized are Machine under power Machine in operation steady POWER OPER BIN FULL ALARM ALARM HI PRESS RE SET FREEZING CYCLE FREEZING CYCLE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 47: ...Water is coming into the water reservoir of the machine through the Water Inlet Solenoid Valve FREEZING CYCLE FREEZING CYCLE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 48: ... till the water reservoir if filled up to the maximum level FREEZING CYCLE FREEZING CYCLE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 49: ... controlled by a Water Level Sensor FREEZING CYCLE FREEZING CYCLE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 50: ...30 seconds later the Water Pump starts up FREEZING CYCLE FREEZING CYCLE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 51: ...he freezing cycle the Water Inlet Solenoid Valve is activated again for few seconds till the water reaches the maximum level so to reduce any possible slush ice formation FREEZING CYCLE FREEZING CYCLE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 52: ...In the meantime the condenser sensor starts to transmit the current to the PC Board FREEZING CYCLE FREEZING CYCLE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 53: ... keeping in operation the Fan Motor in ON OFF mode according to the condenser temperature FREEZING CYCLE FREEZING CYCLE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 54: ...The machine remains in the freezing cycle with the ice that become thicker FREEZING CYCLE FREEZING CYCLE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 55: ...ll the two metal plates of the Ice Thickness Sensor are covered by the water cascading down through the front surface of the ice plate FREEZING CYCLE FREEZING CYCLE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 56: ...he Power is transmitted back continuously to the PC Board through the metal plates of the Ice Thickness Sensor for more then 6 seconds the FREEZING CYCLE FREEZING CYCLE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 57: ... CY YC CL LE E F FA AN N M MO OT TO OR R A AL LW WA AY YS S I IN N O ON N M MO OD DE E D DU UR RI IN NG G T TH HE E P PR RE EV VI IO OU US S F FR RE EE EZ ZI IN NG G C CY YC CL LE E RISE UP THE CUT IN TEMPERATURE OF THE CONDENSER SENSOR TO 38 C AND EXTEND THE LENGTH OF FREEZING CYCLE BY 30 MORE THEN GO INTO HARVEST CYCLE FAN MOTOR OFF GO STRAIGHT TO THE HARVEST CYCLE FREEZING CYCLE FREEZING CYCLE ...

Page 58: ...n motor 30 C 30 0 20 Compressor Water pump 30 Water inlet valve Fan motor 30 C 3 Fan motor 30 C 30 0 20 Freezing cycle resuming chart Freezing cycle resuming chart Freezing cycle resuming chart FREEZING CYCLE FREEZING CYCLE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 59: ...WATER SYSTEM FREEZE WATER SYSTEM FREEZE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 60: ...During the harvest cycle the components in operation are Hot Gas valve HARVEST CYCLE HARVEST CYCLE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 61: ... Hot Gas valve Water Drain Purge Valve HARVEST CYCLE HARVEST CYCLE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 62: ... Hot Gas valve Water Drain Purge Valve Water Pump for the first 40 HARVEST CYCLE HARVEST CYCLE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 63: ... Hot Gas valve Water Drain Purge Valve Water Pump for the first 40 Compressor HARVEST CYCLE HARVEST CYCLE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 64: ...ain Purge Valve Water Pump for the first 40 Compressor and both LEDs Machine Under Power Machine in Operation POWER OPER BIN FULL ALARM ALARM HI PRESS RE SET HARVEST CYCLE HARVEST CYCLE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 65: ...est Cycle the Water Inlet Solenoid Valve is energized for 10 seconds only in order to have a short flush of fresh water into the sump while the Water Pump is still in operation HARVEST CYCLE HARVEST CYCLE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 66: ...The Fan Motor remains in OFF mode unless the Condenser Sensor probe rise up to more then 38 C same set up as per end of freezing cycle HARVEST CYCLE HARVEST CYCLE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 67: ...it moves the front plastic cover out from the evaporator causing the activation of the magnetic switch to restart a new freezing cycle START UP AND OPERATIONAL CHECKS START UP AND OPERATIONAL CHECKS MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 68: ...ressor Water pump 40 Water inlet valve Water drain valve Hot gas valve 30 10 0 2 Harvest cycle resuming chart Harvest cycle resuming chart HARVEST CYCLE HARVEST CYCLE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 69: ...WATER SYSTEM HARVEST WATER SYSTEM HARVEST 1ST PART 30 1ST PART 30 ON ON MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 70: ...WATER SYSTEM HARVEST WATER SYSTEM HARVEST 2ND PART 10 2ND PART 10 MV 300 450 600 1000 MV 300 450 600 1000 ON ON ...

Page 71: ...WATER SYSTEM HARVEST WATER SYSTEM HARVEST 3RD PART 3RD PART MV 300 450 600 1000 MV 300 450 600 1000 OFF OFF ...

Page 72: ...ERATING PRINCIPLES BIN FULL When the last ice plate discharged from the evaporator doesn t find any more space into the storage bin it remains in between the storage bin and the machine keeping MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 73: ...OPERATING PRINCIPLES BIN FULL OPERATING PRINCIPLES BIN FULL the plastic deflector cover in open position MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 74: ...ATING PRINCIPLES BIN FULL By doing so the magnet portion of the magnetic switch is kept far from its sensor fore more then few seconds that it is equivalent to transmit the signal to the PC Board MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 75: ...ng freezing or harvest cycle for more then 30 seconds the machine stops its operation in Bin Full with the glowing of the BIN FULL YELLOW LED BIN FULL BIN FULL POWER OPER BIN FULL ALARM ALARM HI PRESS RE SET MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 76: ...ALARM CONDITIONS ALARM CONDITIONS Both the last two Red LED are ON steady POWER OPER BIN FULL ALARM ALARM HI PRESS RE SET MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 77: ...ALARM CONDITIONS ALARM CONDITIONS Both the last two Red LED are ON STEADY Condenser Sensor Condenser Sensor OUT OF ORDER OUT OF ORDER MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 78: ...ALARM CONDITIONS ALARM CONDITIONS Both the last two Red LED are BLINKING SLOW WATER ERROR WATER ERROR POWER OPER BIN FULL ALARM ALARM HI PRESS RE SET MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 79: ...M CONDITIONS Both the last two Red LED are BLINKING SLOW WATER ERROR WATER ERROR Water level inside the water sump too low after 3 minutes from the activation of the Water Inlet Valve MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 80: ...ALARM CONDITIONS ALARM CONDITIONS Both the last two Red LED are BLINKING FAST POWER OPER BIN FULL ALARM ALARM HI PRESS RE SET MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 81: ...the last two Red LED are BLINKING FAST RESET MODE RESET MODE Charging water through the Water Inlet Solenoid Valve after the tripping OFF on WATER ERROR POWER OPER BIN FULL ALARM ALARM HI PRESS RE SET MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 82: ...ALARM CONDITIONS ALARM CONDITIONS The fourth Red LED is BLINKING SLOW POWER OPER BIN FULL ALARM ALARM HI PRESS RE SET MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 83: ...ONDITIONS The fourth Red LED is BLINKING SLOW TOO HI TOO HI CONDENSING CONDENSING TEMPERATURE TEMPERATURE The condenser sensor detected a temperature 65 C 65 C 0 10 70 40 30 20 80 60 50 MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 84: ...he fourth Red LED is BLINKING FAST RESET MODE RESET MODE Condenser Sensor 50 C Fan motor in operation for 3 minutes then back on Start Up Cycle Mode POWER OPER BIN FULL ALARM ALARM HI PRESS RE SET MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 85: ...ALARM CONDITIONS ALARM CONDITIONS The fourth Red LED is ON STEADY POWER OPER BIN FULL ALARM ALARM HI PRESS RE SET MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 86: ... CONDITIONS The fourth Red LED is ON STEADY POWER OPER BIN FULL ALARM ALARM HI PRESS RE SET MV 300 450 600 1000 MV 300 450 600 1000 Harvest Cycle longer then 3 30 Harvest Cycle longer then 3 30 Harvest Cycle longer then 3 30 ...

Page 87: ...ALARM CONDITIONS ALARM CONDITIONS The fifth Red LED is ON STEADY POWER OPER BIN FULL ALARM ALARM HI PRESS RE SET MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 88: ... fifth Red LED is ON STEADY POWER OPER BIN FULL ALARM ALARM HI PRESS RE SET MV 300 450 600 1000 MV 300 450 600 1000 TOO HI DISCHARGE PRESSURE 33 bar 460 PSI TOO HI DISCHARGE TOO HI DISCHARGE PRESSURE 33 bar 460 PSI PRESSURE 33 bar 460 PSI ...

Page 89: ...TIONS ALARM CONDITIONS The fifth Red LED is BLINKING FAST RESET MODE RESET MODE Push the Reset Button of the Pressure Control POWER OPER BIN FULL ALARM ALARM HI PRESS RE SET MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 90: ...fifth Red LED is BLINKING FAST RESET MODE RESET MODE First the fan motor starts up for 3 minutes then the entire machine through the Start Up Cycle Mode POWER OPER BIN FULL ALARM ALARM HI PRESS RE SET MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 91: ...he fan motor during the freezing cycle room temperature Fan motor in ON OFF mode Fan motor in ON OFF mode Max freezing cycle length Max freezing cycle length equal to 30 equal to 30 Fan motor ON all the time Fan motor ON all the time Max freezing cycle length Max freezing cycle length equal to 40 equal to 40 MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 92: ...ITIONS ALARM CONDITIONS Whenever the machine remains in the Freezing Cycle for the Maximum time 30 or 40 minutes the PC Board moves the unit directly into the Harvest Cycle MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 93: ...er then 3 30 the machine trips OFF with the glowing of the fourth Red LED In case the Harvest Cycle takes longer then 3 30 the machine trips OFF with the glowing of the fourth Red LED POWER OPER BIN FULL ALARM ALARM HI PRESS RE SET MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 94: ...ALARM CONDITIONS ALARM CONDITIONS The PC Board can be set up for Manual Reset Manual Reset Mode Jump IN Mode Jump IN MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 95: ...ALARM CONDITIONS ALARM CONDITIONS The PC Board can be set up for Automatic Reset Automatic Reset Mode Jump OUT Mode Jump OUT MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 96: ...ALARM CONDITIONS ALARM CONDITIONS Manual Reset Mode Manual Reset Mode To Restart the machine it is necessary to Push the RE SET RE SET BUTTON BUTTON MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 97: ...Mode The Automatic Reset Mode is activated only for the following ALARM CONDITIONS ALARM CONDITIONS WATER ERROR WATER ERROR TOO HIGH CONDENSING TEMPERATURE TOO HIGH CONDENSING TEMPERATURE TOO LONG HARVEST CYCLE TOO LONG HARVEST CYCLE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 98: ...st 3 minutes of operation in the freezing cycle the P C Board switches OFF the entire machine with the SLOW BLINKING of the last two RED LEDs WATER ERROR POWER OPER BIN FULL ALARM ALARM HI PRESS RE SET Automatic Reset Mode Automatic Reset Mode MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 99: ...R ERROR The machine remains in OFF mode for 30 then it tries to re fill water Water re filled YES YES Machine remains in operation Machine remains in operation NO NO Machine again in OFF mode for additional 30 Machine again in OFF mode for additional 30 MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 100: ...emperature of 65 C the machine switches OFF in Alarm by the slow blinking of the 4th LED TOO HIGH CONDENSING TEMPERATURE POWER OPER BIN FULL ALARM ALARM HI PRESS RE SET Automatic Reset Mode Automatic Reset Mode MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 101: ...eset Mode TOO HI CONDENSING TEMPERATURE TOO HI CONDENSING TEMPERATURE As soon as the temperature of the Condenser Sensor is 50 C the PC Board starts up first the fan motor for 3 then the entire machine through the Start Up Cycle MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 102: ...TIONS Automatic Reset Mode Automatic Reset Mode TOO LONG HARVEST CYCLE TOO LONG HARVEST CYCLE After the 3 30 of the Harvest Cycle the PC Board move back the machine into a new Freezing Cycle MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 103: ...ND OPERATIONAL CHECKS START UP AND OPERATIONAL CHECKS During the first 20 minutes of the freezing cycle the PC Board stores information about the operation of the fan motor MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 104: ...RT UP AND OPERATIONAL CHECKS Accordingly to its operation the maximum safety of the freezing cycle is equal to 30 minutes when Fan Motor works in ON OFF mode 40 minutes when Fan Motor is always ON MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 105: ... at beginning of the freezing cycle are PC Board The components energized at beginning of the freezing cycle are PC Board START UP AND OPERATIONAL CHECKS START UP AND OPERATIONAL CHECKS MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 106: ...The components energized at beginning of the freezing cycle are PC Board Contactor START UP AND OPERATIONAL CHECKS START UP AND OPERATIONAL CHECKS MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 107: ...The components energized at beginning of the freezing cycle are PC Board Contactor Compressor START UP AND OPERATIONAL CHECKS START UP AND OPERATIONAL CHECKS MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 108: ...ressure reaches 17 bar 240 PSI the fan motor starts to operate in ON OFF mode keeping the discharge pressure between 15 and 17 bar 210 240 PSI START UP AND OPERATIONAL CHECKS START UP AND OPERATIONAL CHECKS MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 109: ...a condenser temperature sensor located on the outlet of condenser that transmit a signal to the PC Board to activate in ON OFF mode the fan motor START UP AND OPERATIONAL CHECKS START UP AND OPERATIONAL CHECKS MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 110: ...d reduce as much as possible the slush formation The Water Pump starts up 1 minute later so to allow the evaporator to freeze up its outside surface and reduce as much as possible the slush formation START UP AND OPERATIONAL CHECKS START UP AND OPERATIONAL CHECKS MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 111: ...awn from the upper side of the evaporator it enter into the refrigerated cells starting the formation of a small layer of ice START UP AND OPERATIONAL CHECKS START UP AND OPERATIONAL CHECKS MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 112: ...The machine remains in the freezing cycle with the ice that become thicker START UP AND OPERATIONAL CHECKS START UP AND OPERATIONAL CHECKS MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 113: ... plates of the Ice Thickness Sensor are covered by the water falling dawn through the front surface of the ice plate START UP AND OPERATIONAL CHECKS START UP AND OPERATIONAL CHECKS MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 114: ...By doing so a low voltage current is supply back to the PC Board using water as a conductor START UP AND OPERATIONAL CHECKS START UP AND OPERATIONAL CHECKS MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 115: ...10 seconds later the PC Board put the machine in the harvest cycle energizing the Hot Gas Valve START UP AND OPERATIONAL CHECKS START UP AND OPERATIONAL CHECKS ...

Page 116: ...ds later the PC Board put the machine in the harvest cycle energizing the Hot Gas Valve Water drain Valve START UP AND OPERATIONAL CHECKS START UP AND OPERATIONAL CHECKS MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 117: ...The other electrical components that remain energized during the harvest cycle are Compressor START UP AND OPERATIONAL CHECKS START UP AND OPERATIONAL CHECKS MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 118: ... and for the first 40 only the Water Pump START UP AND OPERATIONAL CHECKS START UP AND OPERATIONAL CHECKS MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 119: ...as state pumped by compressor reaches the back side of the evaporator warming up its surface and partially melting the ice START UP AND OPERATIONAL CHECKS START UP AND OPERATIONAL CHECKS MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 120: ... and half minute from the beginning of the harvest cycle the ice plate is moving out from the evaporator cells START UP AND OPERATIONAL CHECKS START UP AND OPERATIONAL CHECKS MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 121: ... falling down into the bottom storage bin START UP AND OPERATIONAL CHECKS START UP AND OPERATIONAL CHECKS ...

Page 122: ...the water pump are energized pumping out the water from the sump so to reduce as much as possible the accumulation of scale into the water system START UP AND OPERATIONAL CHECKS START UP AND OPERATIONAL CHECKS MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 123: ...OPERATING PRINCIPLES and COMPONENTS OPERATING OPERATING PRINCIPLES PRINCIPLES and and COMPONENTS COMPONENTS MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 124: ...ATING PRINCIPLES FREEZE OPERATING PRINCIPLES FREEZE Compressor Compressor Hot Hot gas gas valve valve Evaporator Evaporator Air cooled Air cooled condenser condenser MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 125: ...TING PRINCIPLES HARVEST OPERATING PRINCIPLES HARVEST Compressor Compressor Hot Hot gas gas valve valve Evaporator Evaporator Air cooled Air cooled condenser condenser MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 126: ...WATER SYSTEM FREEZE WATER SYSTEM FREEZE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 127: ...WATER SYSTEM HARVEST WATER SYSTEM HARVEST 1ST PART FIRST 30 WATER PURGE OUT 1ST PART FIRST 30 WATER PURGE OUT MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 128: ...WATER SYSTEM HARVEST WATER SYSTEM HARVEST 2ND PART ADDITIONAL 10 WASHING PURGE OUT 2ND PART ADDITIONAL 10 WASHING PURGE OUT MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 129: ...WATER SYSTEM HARVEST WATER SYSTEM HARVEST 3RD PART UP TO THE END OF HARVEST 3RD PART UP TO THE END OF HARVEST MV 300 450 600 1000 MV 300 450 600 1000 OFF OFF ...

Page 130: ...COMPONENTS REFRIGERANT SYSTEM COMPONENTS REFRIGERANT SYSTEM The components of the refrigerant system of the MV series Models are composed by MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 131: ...LOCATION OF REFRIGERANT COMPONENTS LOCATION OF REFRIGERANT COMPONENTS COMPONENTS REFRIGERANT SYSTEM COMPONENTS REFRIGERANT SYSTEM COMPRESSOR COMPRESSOR MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 132: ...ION OF REFRIGERANT COMPONENTS LOCATION OF REFRIGERANT COMPONENTS COMPONENTS REFRIGERANT SYSTEM COMPONENTS REFRIGERANT SYSTEM COMPRESSOR COMPRESSOR CONDENSER CONDENSER MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 133: ...IGERANT COMPONENTS LOCATION OF REFRIGERANT COMPONENTS COMPONENTS REFRIGERANT SYSTEM COMPONENTS REFRIGERANT SYSTEM COMPRESSOR COMPRESSOR CONDENSER CONDENSER EVAPORATOR EVAPORATOR MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 134: ...MPONENTS LOCATION OF REFRIGERANT COMPONENTS COMPONENTS REFRIGERANT SYSTEM COMPONENTS REFRIGERANT SYSTEM COMPRESSOR COMPRESSOR CONDENSER CONDENSER EVAPORATOR EVAPORATOR TXV VALVE TXV VALVE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 135: ...ON OF REFRIGERANT COMPONENTS COMPONENTS REFRIGERANT SYSTEM COMPONENTS REFRIGERANT SYSTEM COMPRESSOR COMPRESSOR CONDENSER CONDENSER EVAPORATOR EVAPORATOR TXV VALVE TXV VALVE HEAT EXCHANGER HEAT EXCHANGER MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 136: ...REFRIGERANT COMPONENTS COMPONENTS REFRIGERANT SYSTEM COMPONENTS REFRIGERANT SYSTEM COMPRESSOR COMPRESSOR CONDENSER CONDENSER EVAPORATOR EVAPORATOR TXV VALVE TXV VALVE HEAT EXCHANGER HEAT EXCHANGER DRIER DRIER MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 137: ...MPONENTS COMPONENTS REFRIGERANT SYSTEM COMPONENTS REFRIGERANT SYSTEM COMPRESSOR COMPRESSOR CONDENSER CONDENSER EVAPORATOR EVAPORATOR TXV VALVE TXV VALVE HEAT EXCHANGER HEAT EXCHANGER DRIER DRIER HOT GAS VALVE HOT GAS VALVE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 138: ... REFRIGERANT SYSTEM COMPONENTS REFRIGERANT SYSTEM COMPRESSOR COMPRESSOR CONDENSER CONDENSER EVAPORATOR EVAPORATOR TXV VALVE TXV VALVE HEAT EXCHANGER HEAT EXCHANGER DRIER DRIER HOT GAS VALVE HOT GAS VALVE HIGH PRESSURE CTRL HIGH PRESSURE CTRL MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 139: ...COMPONENTS WATER SYSTEM COMPONENTS WATER SYSTEM WATER INLET VALVE WATER INLET VALVE MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 140: ...COMPONENTS WATER SYSTEM COMPONENTS WATER SYSTEM WATER INLET VALVE WATER INLET VALVE WATER SUMP WATER SUMP MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 141: ...COMPONENTS WATER SYSTEM COMPONENTS WATER SYSTEM WATER FLOAT VALVE WATER FLOAT VALVE WATER SUMP WATER SUMP WATER PUMP WATER PUMP MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 142: ...ENTS WATER SYSTEM COMPONENTS WATER SYSTEM MV 300 450 600 1000 MV 300 450 600 1000 WATER FLOAT VALVE WATER FLOAT VALVE WATER SUMP WATER SUMP WATER PUMP WATER PUMP WATER DISTRIBUTOR WATER DISTRIBUTOR TUBE TUBE ...

Page 143: ...PONENTS WATER SYSTEM WATER FLOAT VALVE WATER FLOAT VALVE WATER SUMP WATER SUMP WATER PUMP WATER PUMP WATER DISTRIBUTOR TUBE WATER DISTRIBUTOR TUBE WATER FLOW WATER FLOW ADJUSTERS ADJUSTERS MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 144: ...EM MV 300 450 600 1000 MV 300 450 600 1000 WATER INLET VALVE WATER INLET VALVE WATER SUMP WATER SUMP WATER PUMP WATER PUMP WATER DISTRIBUTOR TUBE WATER DISTRIBUTOR TUBE WATER FLOW ADJUSTERS WATER FLOW ADJUSTERS WATER DRAIN VALVE WATER DRAIN VALVE ...

Page 145: ... CONTROLS FAN FAN MOTORS MOTORS WATER WATER PUMP PUMP COMPRESSOR HOT GAS WATER COMPRESSOR HOT GAS WATER INLET AND DRAIN VALVES INLET AND DRAIN VALVES WATER WATER SENSITIVITY SENSITIVITY ADJUSTMENT ADJUSTMENT N O JUMP OUT N O JUMP OUT AUTOMATIC AUTOMATIC N C JUMP IN N C JUMP IN MANUAL MANUAL WATER LEVEL WATER LEVEL SENSOR SENSOR SERIAL SERIAL CONNECTOR CONNECTOR FOR FOR FACTORY FACTORY USE ONLY USE...

Page 146: ...COMPONENTS ELECTRONIC CONTROLS COMPONENTS ELECTRONIC CONTROLS The components of the Electronic System of the MV Series Models are composed by PC BOARD PC BOARD MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 147: ...COMPONENTS ELECTRONIC CONTROLS COMPONENTS ELECTRONIC CONTROLS PC BOARD PC BOARD ICE ICE THICKNESS THICKNESS SENSOR SENSOR MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 148: ...COMPONENTS ELECTRONIC CONTROLS COMPONENTS ELECTRONIC CONTROLS PC BOARD PC BOARD ICE THICKNESS ICE THICKNESS SENSOR SENSOR CONDENSER CONDENSER SENSOR SENSOR MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 149: ...ECTRONIC CONTROLS COMPONENTS ELECTRONIC CONTROLS PC BOARD PC BOARD ICE THICKNESS ICE THICKNESS SENSOR SENSOR CONDENSER CONDENSER SENSOR SENSOR MAGNETIC MAGNETIC SWITCH SWITCH MV 300 450 600 1000 MV 300 450 600 1000 ...

Page 150: ...END FIRST END FIRST HALF HALF ...

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