Scotsman MV 306 Service Manual
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Scotsman MV 306 Service Manual

Electronic modular cubers
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Page 1
SERVICE MANUAL
MV 306
MV 426
MV 456
MV 606
MV 806
MV 1006
Electronic
modular cubers
SCOTSMAN EUROPE - FRIMONT SPA
Via Puccini, 22 - 20010 Pogliano M.se - Milano - Italy
Tel. +39-02-93960.1 (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
Page 1
MS 1000.77 - REV. 02/2010

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Summary of Contents for Scotsman MV 306

  • Page 1 MV 806 MV 1006 Electronic modular cubers SCOTSMAN EUROPE - FRIMONT SPA Via Puccini, 22 - 20010 Pogliano M.se - Milano - Italy Tel. +39-02-93960.1 (Aut. Sel.)- Telefax +39-02-93550500 Direct Line to Service & Parts: Phone +39-02-93960350 - Fax +39-02-93540449 Website: www.scotsman-ice.com...

  • Page 2: Table Of Contents

    Alarm conditions PC Board set up SERVICE SPECIFICATIONS Component Operating characteristics COMPONENT DESCRIPTION Component description WIRING DIAGRAM MV 306 air/water cooled MV 426-456-606-806 air/water cooled MV 1006 air/water cooled SERVICE DIAGNOSIS Service diagnosis MAINTENANCE & CLEANING INSTRUCTION Icemaker Ice storage bin...

  • Page 3: Specifications

    Page 3 Page 3 SPECIFICATIONS MODULAR CUBER MV 306 ice making capacity AIR COOLED MODELS WATER COOLED MODELS °C °C K g . K g . °C °C WATER TEMPERATURE WATER TEMPERATURE NOTE. To keep your Modular cuber performing at its maximum capacity, it is necessary to perform...
  • Page 4 Dimensions: HEIGHT 575 mm. (22" 1/2) WIDTH 560 mm. (22") DEPTH 614 mm. (24" 3/16) WEIGHT 53 Kgs. MV 306 - MACHINE SPECIFICATIONS Water req. Model Cond. unit Finish Comp. HP lt/24 HR MV 306 - AS 200* Stainless Steel...
  • Page 5 Page 5 Page 5 SPECIFICATIONS MODULAR CUBER MV 426 ice making capacity AIR COOLED MODELS WATER COOLED MODELS °C °C K g . K g . °C °C WATER TEMPERATURE WATER TEMPERATURE NOTE. To keep your Modular cuber performing at its maximum capacity, it is necessary to perform periodic maintenance as outlined on the last pages of this manual.
  • Page 6 Page 6 Page 6 SPECIFICATIONS (CONT'D) 614 mm (24 3/16”) 560 mm (22”) 75.2 mm (2 15/16”) 43.5 mm (1 11/16”) AREA 178 mm (7”) 330mm (13) 21 mm (13/16”) Accessoires Dimensions: HEIGHT 660 mm. (26" ) WIDTH 560 mm. (22") DEPTH 614 mm.
  • Page 7 Page 7 Page 7 SPECIFICATIONS MODULAR CUBER MV 456 ice making capacity AIR COOLED MODELS WATER COOLED MODELS °C °C K g . K g . °C °C WATER TEMPERATURE WATER TEMPERATURE NOTE. To keep your Modular cuber performing at its maximum capacity, it is necessary to perform periodic maintenance as outlined on the last pages of this manual.
  • Page 8 Page 8 Page 8 SPECIFICATIONS (CONT'D) Dimensions: HEIGHT 575 mm. (22" 1/2) WIDTH 760 mm. (30") DEPTH 620 mm. (24" 1/2) WEIGHT 77 Kgs. MV 456 - MACHINE SPECIFICATIONS Water req. Model Cond. unit Finish Comp. HP lt/24 HR MV 456 - AS 410* Stainless Steel MV 456 - WS...
  • Page 9 Page 9 Page 9 SPECIFICATIONS MODULAR CUBER MV 606 ice making capacity AIR COOLED MODELS WATER COOLED MODELS °C °C K g . K g . °C °C WATER TEMPERATURE WATER TEMPERATURE NOTE. To keep your Modular cuber performing at its maximum capacity, it is necessary to perform periodic maintenance as outlined on the last pages of this manual.
  • Page 10 Page 10 Page 10 SPECIFICATIONS (CONT'D) Dimensions: HEIGHT 575 mm. (22" 1/2) WIDTH 760 mm. (30") DEPTH 620 mm. (24" 1/2) WEIGHT 77 Kgs. MV 606 - MACHINE SPECIFICATIONS Water req. Model Cond. unit Finish Comp. HP lt/24 HR MV 606 - AS 440* Stainless Steel MV 606 - WS...
  • Page 11 Page 11 Page 11 SPECIFICATIONS MODULAR CUBER MV 806 ice making capacity AIR COOLED MODELS WATER COOLED MODELS °C °C K g . K g . °C °C WATER TEMPERATURE WATER TEMPERATURE NOTE. To keep your Modular cuber performing at its maximum capacity, it is necessary to perform periodic maintenance as outlined on the last pages of this manual.
  • Page 12 Page 12 Page 12 SPECIFICATIONS (CONT'D) Dimensions: HEIGHT 725 mm. (28" 1/2) WIDTH 760 mm. (30") DEPTH 620 mm. (24" 1/2) WEIGHT 97 Kgs. MV 806 - MACHINE SPECIFICATIONS Water req. Model Cond. unit Finish Comp. HP lt/24 HR MV 806 - AS 580* Stainless Steel MV 806 - WS...
  • Page 13 Page 13 Page 13 SPECIFICATIONS MODULAR CUBER MV 1006 ice making capacity AIR COOLED MODELS WATER COOLED MODELS °C °C K g . K g . °C °C WATER TEMPERATURE WATER TEMPERATURE NOTE. To keep your Modular cuber performing at its maximum capacity, it is necessary to perform periodic maintenance as outlined on the last pages of this manual.
  • Page 14 Page 14 Page 14 SPECIFICATIONS (CONT'D) Dimensions: HEIGHT 725 mm. (28" 1/2) WIDTH 760 mm. (30") DEPTH 620 mm. (24" 1/2) WEIGHT 104 Kgs. MV 1006 - MACHINE SPECIFICATIONS Water req. Model Cond. unit Finish Comp. HP lt/24 HR MV 1006 - AS 600* Stainless Steel MV 1006 - WS...

  • Page 15: For The Installer

    These instructions provide the specifications and STORAGE BIN the step-by-step procedures for the installation, The MV 306-426 stack on top of Scotsman bin start up and operation for the SCOTSMAN model B 193; the MV 456-606-806-1006 stack Model MV 306-426-456-606-1006 Modular onto SCOTSMAN bin model B 393.

  • Page 16: Select Location

    15 cm. minimum left, right, and rear for air-cooled models. STORAGE BIN The Scotsman bins for these units are the B 193 and B 393. Other bins may be available with bin tops to vary the storage capacity. Lay the bin on its back, using cardboard from the carton to support it, screw in the legs.

  • Page 17: Final Check List

    Page 17 Page 17 When choosing the water supply for the MV NOTE: All SCOTSMAN Cubers require a Cuber, consideration should be given to: neutral wire and a solid earth ground wire to prevent possible severe Electrical Shock A. Length of run.

  • Page 18: Start-Up Start-Up Cycle

    30 seconds later, the Water Pump starts up. 2. The models MV 306-426- 456 - 606-806 enter in the Start Up mode with the PC Board energized as After few minutes (3-5) from the start up of...
  • Page 19 Page 19 Page 19 and both NOTE: This type of machine produce an "ICE PLATE" that breaks when falls down into the • Machine Under Power storage bin. Setting the ice thickness sensor • Machine in Operation in order to have single ice cubes may cause malfunction of the machine.

  • Page 20: Operation

    Page 20 Page 20 OPERATION FREEZE CYCLE REFRIGERATION SYSTEM SCHEMATIC REFRIGERATION DURING FREEZE: This ice machine employes either air or water as This is determined by the temperature of the TXV a condensing media, the refrigeration system for sensing bulb, located on the suction line either one is a follows: manifold, at the outlet of the evaporator.

  • Page 21: Water System During Freeze

    Page 21 Page 21 FREEZE CYCLE water tube and then cascades down the WATER SYSTEM evaporator surface by gravity. As it flows accross A combination of a solenoid water inlet valve with the refrigerated evaporator, some of the water a water level sensor is used to control the level of will be chilled enough to change form, turn to ice, the water into the reservoir/sump.

  • Page 22: Refrigeration System During Harvest

    Page 22 Page 22 HARVEST (DEFROST) CYCLE REFRIGERATION SYSTEM SCHEMATIC REFRIGERATION SYSTEM DURING HARVEST Most of the water remained in the reservoir at the end of freezing cycle is pumped-out, to the The refrigeration system performs the harvest of waste, through the water solenoid and drain line ice by use of a hot gas bypass valve.

  • Page 23: Alarm Conditions

    Page 23 Page 23 consequently to the compressor and fan motors ALARM CONDITIONS and 30" later, to the water pump motors. Then, as the ice thickness reaches the value that corresponds to the full cube size, the film of water that constantly cascades over the slab of ice ALARM formed on the evaporator, arrives to establish a...

  • Page 24: Pc Board Set Up

    Page 24 Page 24 Page 24 PC BOARD SET UP The PC Board can be set up for: Manual reset mode and water purge out for a short time only at beginning of every harvest Automatic reset - JUMP OUT 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...

  • Page 25: Service Specifications

    MODEL Freeze max Freeze min CUT OUT Beginning end Freeze minutes Beginning Freeze bar Freeze Freeze MV 306 A - 230/50/1 17,5 15,5 MV 306 W - 230/50/1 17,5 MV 426 A - 230/50/1 15,6 MV 426 W - 230/50/1...

  • Page 26: Component Description

    Page 26 Page 26 COMPONENT DESCRIPTION LED Nr. 5 Front Console Panel Alarm high pressure. Equipped with five LED plus a push button that BUTTON B when glow or blink are monitoring: Reset/Washing. LED Nr. 1 Electrical power supply. LED Nr. 2 Operation.
  • Page 27 Page 27 Page 27 Ice Thickness Sensor Located in the front upper right side off the evaporator, the sensor is made with two metal reeds in which passes power at low voltage. The two metal reeds, which are individually insulated, are set, through a setting screw, to maintain a minimum clearence from the evaporator (3÷5 mm).
  • Page 28 Page 28 Page 28 The control, functions as a precautionary device to shut OFF electrical power to Icemaker, should a loss of water occur to the water cooled Condenser or a burnt out of the fan motor on air cooled versions. The high Pressure Control is manual reset with reset button located on the rear side of the machine and a monitoring light on the Front Console Panel.
  • Page 29 18. Harvest Assist Solenoid (Not used on MV 306) Operated by the controller in parallel with the hot gas valve. Cycles on and off at the beginning of a restart.
  • Page 30 Page 30 Page 30 MV 306 - WIRING DIAGRAM 220 V. 50 Hz. 1 ph. m = brown bc = light blue gv = yellow green b = white n = black = red a = orange A - Input terminal board...

  • Page 31: Mv 426-456-606-806 Air/Water Cooled

    Page 31 Page 31 MV 426/456/606/806 - WIRING DIAGRAM 220 V. 50 Hz. 1 ph. m = brown bc = light blue gv = yellow green b = white n = black = red a = orange v = violet A - Input terminal board L - Water pump B - Compressor remote control switch...

  • Page 32: Mv 1006 Air/Water Cooled

    Page 32 Page 32 MV 1006 - WIRING DIAGRAM 400 V. 50 Hz. 3 ph. m = brown bc = light blue gv = yellow green b = white n = black = red a = orange v = violet K - Automatic reset switch A - Input terminal board L - Water pump...

  • Page 33: Service Diagnosis

    Page 33 Page 33 SERVICE DIAGNOSIS The table below is intended as a quick reference Reference to other portions of this manual, to aid the Service Agent in determining the cause inclusing wiring diagrams, installation, and of a particular type of malfunction, as well as the operation are recommended to better determine recommended repair.

  • Page 34: Icemaker

    Page 34 Page 34 MAINTENANCE & CLEANING & SANITATION INSTRUCTIONS A SCOTSMAN Ice System represent a sizable Check cube size, adjust if required through investment of time and money in any company’s setting screw of ice thickness control sensor. business. In order to receive the best return for...
  • Page 35 Page 35 Page 35 Pushing the RESET BUTTON for 6-8 NOTE: RINSING mode consists of: seconds the machine restarts in the freezing a) energize the water drain valve and the cycle. water pump for 40 seconds to empty the reservoir Replace the evaporator cover deflector and b) deenergize the water drain valve and the front panel.

This manual is also suitable for:

Mv 456Mv 426Mv 806Mv 1006Mv 606

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