Scotsman MV 1006, Service Manual

Page 1: ...93960 1 Aut Sel Telefax 39 02 93550500 Direct Line to Service Parts Phone 39 02 93960350 Fax 39 02 93540449 Website www scotsman ice com E Mail scotsman europe frimont it ISO 9001 Cert n 0080 SERVICE...

Page 2: ...e 18 Freezing cycle 18 Harvest cycle 18 OPERATION Refrigeration during freeze 20 Water system during freeze 21 Refrigeration system during harvest 22 Water system during harvest 22 Control sequence 22...

Page 3: ...ance as outlined on the last pages of this manual ice making capacity ICE PRODUCED PER 24 HRS Kg 32 C 15 10 AIR COOLED MODELS WATER TEMPERATURE AMBIENT TEMPERATURE C 10 21 32 38 WATER COOLED MODELS 21...

Page 4: ...rt amps watts Electric power cons Kwhx24 HR N of wires Amps Fuse 220 240 50 1 MV 306 AS MV 306 WS 3x1 5 mm2 10 Cubes per harvest 168 Full 336 Half With water at 15 C Stainless Steel 3 4 3 8 3 3 20 780...

Page 5: ...e as outlined on the last pages of this manual ice making capacity ICE PRODUCED PER 24 HRS K g 32 C 10 AIR COOLED MODELS WATER TEMPERATURE AMBIENT TEMPERATURE C 10 21 32 38 WATER COOLED MODELS 240 220...

Page 6: ...NS Water req lt 24 HR Model Basic electr amps Start amps watts Electric power cons Kwhx24 HR N of wires Amps Fuse 220 240 50 1 MV 426 AS MV 426 WS 3x1 5 mm2 16 Cubes per harvest 204 Full 408 Half With...

Page 7: ...intenance as outlined on the last pages of this manual ice making capacity ICE PRODUCED PER 24 HRS Kg 32 C 15 10 AIR COOLED MODELS WATER TEMPERATURE AMBIENT TEMPERATURE C 10 21 32 38 WATER COOLED MODE...

Page 8: ...Start amps watts Electric power cons Kwhx24 HR N of wires Amps Fuse 220 240 50 1 MV 456 AS MV 456 WS 3x1 5 mm2 16 Cubes per harvest 234 Full 468 Half With water at 15 C Stainless Steel 7 8 MV 456 AS...

Page 9: ...nance as outlined on the last pages of this manual ice making capacity Kg 32 C 15 10 C 10 21 32 38 21 335 315 295 275 255 235 215 195 175 Kg 32 C 15 10 C 10 21 32 38 21 335 315 295 275 255 235 215 ICE...

Page 10: ...ter req lt 24 HR Model Basic electr amps Start amps watts Electric power cons Kwhx24 HR N of wires Amps Fuse 220 240 50 1 MV 606 AS MV 606 WS 3x1 5 mm2 16 Cubes per harvest 234 Full 468 Half With wate...

Page 11: ...as outlined on the last pages of this manual ice making capacity Kg 32 C 15 10 C 10 21 32 38 21 445 425 405 385 365 345 325 305 285 265 245 225 Kg 32 C 15 10 C 10 21 32 38 21 390 370 350 330 310 290...

Page 12: ...er req lt 24 HR Model Basic electr amps Start amps watts Electric power cons Kwhx24 HR N of wires Amps Fuse MV 806 AS MV 806 WS 3x1 5 mm2 16 Cubes per harvest 342 Full 684 Half With water at 15 C Stai...

Page 13: ...nce as outlined on the last pages of this manual ice making capacity Kg 32 C 15 10 C 10 21 32 38 21 475 455 435 415 395 375 355 335 315 295 275 Kg 32 C 15 10 C 10 21 32 38 21 425 405 385 365 345 325 3...

Page 14: ...amps Start amps watts Electric power cons Kwhx24 HR N of wires Amps Fuse Cubes per harvest 342 Full 684 Half With water at 15 C Stainless Steel 2 Dimensions HEIGHT 725 mm 28 1 2 WIDTH 760 mm 30 DEPTH...

Page 15: ...k on top of Scotsman bin model B 193 the MV 456 606 806 1006 stack onto SCOTSMAN bin model B 393 Refrigerant R 404 A Charge per nameplate rating STANDARD LEGS Furnished with storage bin Fourlegsscrewi...

Page 16: ...hatthenecessaryutilitiesareavailableincluding the correct voltage electrical power thattherebespacearoundtheinstalledmachine for service 15 cm minimum left right and rear for air cooled models STORAGE...

Page 17: ...water supply for the MV Cuber consideration should be given to A Length of run B Water clarity and purity C Adequate water supply pressures Sincewateristhemostimportantsingleingredient in producing ic...

Page 18: ...w seconds to re fill the water reservoir up to the maximum level so to reduce any possibility of slush ice formation 6 Inthemeantimethecondensersensorstarts to transmit the current to the PC Board kee...

Page 19: ...nutes delay time 8 Place again all cabinet panels and screws previously removed 9 Thoroughlyexplaintoowner userthesignificant specifications of the ice maker start up reset and operation going through...

Page 20: ...h liquid refrigerant is to be allowed into the evaporator section of the refrigeration system This is determined by the temperature of the TXV sensing bulb located on the suction line manifold at the...

Page 21: ...rvoir to be sucked back into the pump and repumped over the evaporator WATER SYSTEM A combination of a solenoid water inlet valve with a water level sensor is used to control the level of the water in...

Page 22: ...r is drawn into the suction tube of the compressor WATER SYSTEM During the harvest cycle the electric water drain valve is energized thereby opening the drain line Most of the water remained in the re...

Page 23: ...ce cubesreleasedfromtheevaporatoraccumulates to keep the bottom end of the plastic deflector in open position with the magnetic switch contacts open for longer than 30 the entire unit stops with the g...

Page 24: ...time only at beginning of every harvest cycle Suggested for soft water JUMP IN J2 Manual reset mode and water purge out for a short time only at beginning of every harvest cycle plus a full water purg...

Page 25: ...0 1200 Refrigerant metering device Thermostatic expansion valve SERVICE SPECIFICATION In servicing a machine it is often useful to compare that individual units operating characteristics to those of a...

Page 26: ...ived back from the Ice Tickness Sensor according to the Electrical Conductivity of the water 3 Compressor Contactor Located in the control box the compressor contactor functions to carry the compresso...

Page 27: ...motor so to cool the condenser and to reduce its temperature In case the condenser temperature rises and reaches 65 C 150 F the current arriving to the micro processor is such to cause an immediate an...

Page 28: ...the vertical tygon tube to the water distributors above the evaporator plate and from the holes in the distributor tube water flows to the cells on one side of the evaporator plate Gravity flow return...

Page 29: ...ough the water When the current reaches the PC Board the water inlet solenoid valve is de energised In case the PC Board doesn t receive any signal current from the Water Level Sensor within the first...

Page 30: ...G Condenser temperature probe H Led card I PC Board J Hi pressure switch K Manual Automatic reset jumper L Water pump M Water inlet valve N Water drain purge valve O Hot gas valve P Fan Motor only AIR...

Page 31: ...nic card J Max pressure switch K Automatic reset switch L Water pump M Water inlet valve N Water discharge valve O Hot gas valve SP Solenoid harv assist P1 Fan Motor only AIR cooled unit P2 Fan Motor...

Page 32: ...ssure switch K Automatic reset switch L Water pump M Water inlet valve N Water discharge valve O Hot gas valve SP Solenoid harv assist P1 Fan Motor 1 only AIR cooled unit P2 Fan Motor 2 only WATER coo...

Page 33: ...P C Board open Machine runs makes Low refrigerant charge Checksystemforcorrectrefr charge and harvests ice Check for leak weight in charge but very slowly Low ice capacity High discharge pressure Evac...

Page 34: ...HoldingtheevaporatordeflectorinopenPosition for more that 30 shold cause the ice maker to shut off Once the evaporator deflector is released in its closed position the ice maker will restart 8 Check...

Page 35: ...d any possible trace of Ice Machine Cleaner 6 At the end of the 7th Rinsing cycle the P C Board stops the operation of the machine with the blinking slow of the Yellow LED 7 Pushing the RESET BUTTON f...