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Scotsman DXN 107, Service Manual

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Scotsman DXN 107 Service Manual Download Page 7

Page 6

Page 6

Basic electr.

Amps

Watts

Nr. of wires

      Amps fuse

Start

Electric power cons.

Amps

Kwh per 244 Kg

SPECIFICATIONS

Model

Cond. unit

Finish

Ice bin

cap

Water req.

lt/24 HR (*)

DXN 207 - MACHINE SPECIFICATIONS

   230/50/1

2,9

20

 600

13,6

3 x 1.5 mm

2

10

  DXN 207 AS

Air

S. Steel

         10 Kg

       62,2

(*) Ambient t. 32

°

C / Water t. 21

°

C

Summary of Contents for DXN 107

Page 1: ...06 2018 SERVICE MANUAL Scotsman Ice Srl Via Lainate 31 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 it E Mail scotsman europe scotsman it ISO 9001 Cert n 0080 ...

Page 2: ...Page 3 Page 3 ...

Page 3: ...elling Electrical connections Water supply and drain connections Final check list OPERATING INSTRUCTIONS Start up Operational checks PRINCIPLE OF OPERATION How it works Water circuit Refrigerant circuit Mechanical system Operating pressures Components description WIRING DIAGRAM AND SERVICE DIAGNOSTIC Wiring diagram Dispensing board version Service diagnosis MAINTENANCE AND CLEANING INSTRUCTIONS Ge...

Page 4: ... 10 10 NOTE The daily ice making capacity is directly related to the condenser air inlet temperature water temperature and age of the machine To keep your SCOTSMAN CUBELET DISPENSER at peak performance levels periodic maintenance checks must be carried out as indicated on page 22 of this manual 32 38 10 21 70 69 68 67 66 65 64 63 62 61 60 59 58 57 56 55 54 53 52 51 50 49 48 47 46 45 44 43 42 41 40...

Page 5: ... 24 HR Basic electr Amps Watts Nr of wires Amps fuse SPECIFICATIONS Model Cond unit Finish Ice bin cap Water req lt 24 HR DXN 107 MACHINE SPECIFICATIONS 230 50 1 0 5 N A 300 7 2 3 x 1 5 mm2 10 DXN 107 AS Air S Steel 5 Kg 44 5 Ambient t 32 C Water t 21 C ...

Page 6: ...ied on nameplate 10 10 NOTE The daily ice making capacity is directly related to the condenser air inlet temperature water temperature and age of the machine To keep your SCOTSMAN CUBELET DISPENSER at peak performance levels periodic maintenance checks must be carried out as indicated on page 22 of this manual 32 38 10 21 100 98 96 94 92 90 88 86 84 82 80 78 76 74 72 70 68 66 64 62 60 58 56 54 52 ...

Page 7: ...s fuse Start Electric power cons Amps Kwh per 244 Kg SPECIFICATIONS Model Cond unit Finish Ice bin cap Water req lt 24 HR DXN 207 MACHINE SPECIFICATIONS 230 50 1 2 9 20 600 13 6 3 x 1 5 mm2 10 DXN 207 AS Air S Steel 10 Kg 62 2 Ambient t 32 C Water t 21 C ...

Page 8: ...cemaker will void your parts replacement program 10 Removethemanufacturer sregistrationcard from the inside of the User Manual and fill in all parts including Model and Serial Number taken from the data plate Forward the completed self addressed registration card to SCOTSMAN factory C LOCATION AND LEVELLING WARNING ThisIceDispenserisdesigned for indoor installation only Extended periods of operati...

Page 9: ...the unit If water contains a high level of impurities it is advisable to consider the installation of an appropriate water filter or conditioner WATER DRAIN The recommended drain tube is a plastic or flexible tube with 18 mm 3 4 I D which runs to an open trapped and vented drain When the drain is a long run allow 3 cm pitch per meter 1 4 pitch per foot Install a vertical open vent on drain line hi...

Page 10: ...ION CHECKS UPON THE UNIT START UP F Remove service panels and if necessary install the refrigerant service gauges on the corresponding Service valves to check both the HI and LO refrigerant pressures NOTE The condenser temperature sensor which is located within the condenser fins keeps the head condensing pressure between two preset values Incaseofcondensercloggingsuchtoprevent the proper flow of ...

Page 11: ...isabled then push ICE to confirm Push WATER button for 5 seconds to ESC K SETTING OF THE DISPENSING OPERATION DXN 100 200 can be provided with two different versions not interchangeable Touch NoOpticalDispensingDevicesinstalled Touchless With Optical Dispensing Devices installed The initial setting is already made in factory according with the version of the unit in case of replacement of the P C ...

Page 12: ...ontrol eyes located under the storage bin cover As the ice level raises to interrupt the light beam running between the two infrared lamps the unit stops after ten seconds compressor first and 3 minutes later the gear reducer NOTE After about 10 of steady interruption of the light beam the unit stops and the bF1 glows on display The 10 seconds of delay prevent the unit from stopping for any undue ...

Page 13: ...it drives in counter clockwise rotation at a speed of 10 r p m the freezer auger being linked to it NOTE In the event the gear motor will tend to rotate slowly or not rotating at all the unit willstop immediatelywith the glowing of the A10 Alarm Code on display on account of the intervention of the Electromagnetic SafetyDevice basedonHallEffectprinciple After having diagnosed and eliminated the so...

Page 14: ...e on display NOTE To restart the unit after the shutoff caused by the hi condenser temperature it is necessary after having remedied to the causes of unit stoppage to switch OFF and ON the power line main disconnect Switch D GEAR MOTOR ROTATION AND SPEED SENSOR RED FOUR POLES CONNECTOR MANUAL RESET This safety device is housed on top of the Drive Motoranddetects basedonHallEffectprinciple the rota...

Page 15: ...uring the standard operation of the dispenser and when in the Menu Program The control panel is used to operate the power PC Board of DXN machines the interaction with the user takes place by means of the capacitive keys Dispensing Ice Dispensing Water Alarm Delay Up Down Arrows while the feedback to the user is provided through the LEDs placed behind each button and the 7 segment 3 digit display ...

Page 16: ...Pxx Start up Delay purge time d01 Start up Delay fill up time dØ2 Water Error when no water is detected FØ6 Ice level control beam interrupted FØ5 Bin Full bF1 Ice level control beam resumed bF2 Start up FØ3 Start up checks F01 Making ice F04 Ice level control auto calibration F02 Water reservoir drain Pur The Display automatically will switch off after 5 seconds CLEANING REMIND The need to clean ...

Page 17: ... The drive motor rotor is kept aligned on its vertical axis by two ball bearings permanently lubricated The gear case contains a train of three spur gears the first one of which is in fiber to limit the noise level All the three gears are encased in case bearings and are covered by lubricant oil function normally To reset the remind go into alarm by pressing the ALARM key for 5 and whiledisplaying...

Page 18: ...o to force the nugget ice to go through the bottom outlet spout P STORAGE BIN Round shaped it is located in the front of the ice machineandhasthemainreasontostoretheice produced by the evaporator till it reaches its maximum level controlled by an infrared optical system In its bottom is placed the ice spout as well as the water drain hole Inside the ice spout opening is also located the water outl...

Page 19: ...Page 18 Page 18 WIRING DIAGRAM DISPENSING BOARD VERSION AIR AND WATER COOLED 230 50 1 ...

Page 20: ...Page 19 Page 19 ...

Page 21: ... rotor bearings freezer bushings and interior of freezer for scores Replace whatever worn or damaged No rotation of gear motor Check for power to drive motor 16 A fuses Check for stator winding Gear motor starts and stop Check for correct operation of drive after a while motor magnetic sensor Check for correct magnetic capacity of magnetic cylinder Compressor cycles intermittently Low voltage Chec...

Page 22: ...lve setting screw Excessive noise or chattering Mineral or scale deposit on auger Remove and manually polish auger and inner freezer walls and inner walls of freezer barrel using emery paper Low suction pressure Add refrigerant to rise suction pressure Water feed line to freezer clogged Vent and clean it Low water level into freezer Adjust to approx 20 mm below ice spout Gear motor noise Worn roto...

Page 23: ...he exterior of the machine with a disposable sanitizing wipe using a specif ic product for Stainless Steel cleaning 2 Remove the ice and water spouts And allow to soak in a sanitizing solution for 10 minutes then rinse well with fresh water 3 Pour hot soapy water or sanitizing solution into the drain pan ensuring not to overf low the tray 4 Remove the drip tray and the grill clean the filter on th...

Page 24: ...move the top panel the machine will automatically switch OFF 3 In a carafe prepare 500 ml of warm water 40 50 C and 15 ml of Scotsman Sanitizing product and wait at least 10 minutes 4 Open the plug of the funnel and pour the sanitizing solution in the reservoir 5 Unscrewthetwofasteningscrewsandremove the bin cover 6 Lift up the ice level control and its bracket from its housing and carefully stand...

Page 25: ...Cleaning Remind ensuring in the meantime the standard operation of the machine The following maintenance procedure should be performed every time the Cleaning Remind appear by an authorized Scotsman Service 1 Check and clean the water line strainer 2 Remove the cover from the float reservoir care to do not damage the two water sensors and depress the float to make sure that a full stream of water ...

Page 26: ...are the cleaning solution by diluting in a plastic container two liters of warm water 45 50 C with a 0 2 liters of SCOTSMAN Ice Machine Cleaner WARNING The SCOTSMAN Ice Machine Cleaner contains Phosphoric and Hydroxyacetic acids These compounds are corrosive and may cause burns if swallowed DO NOT induce vomiting Give large amounts of water or milk Call Physicianimmediately Incaseofexternal contac...

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