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Hoshizaki DCM-230FE, Service Manual

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Hoshizaki DCM-230FE Service Manual Download Page 27

27

V.  TECHNICAL INFORMATION

1. WATER CIRCUIT AND REFRIGERANT CIRCUIT

Summary of Contents for DCM-230FE

Page 1: ...ISSUED HOSHIZAKI CUBELET ICE DISPENSER MODEL DCM 230FE SERVICE MANUAL DEC 23 1998 NO 73109 REVISED JAN 13 2004...

Page 2: ...theproblem FOREWORD IMPORTANT Only qualified service technicians should attempt to service or maintain this icemaker No service or maintenance should be undertaken until the technician has thoroughly...

Page 3: ...ION INSTRUCTIONS 12 1 UNPACKING 12 2 LOCATION 13 3 INSTALLATION 14 4 ELECTRICAL CONNECTION 14 5 WATER SUPPLY AND DRAIN CONNECTIONS 15 III OPERATING INSTRUCTIONS 17 1 START UP 17 2 CONTROLS AND ADJUSTM...

Page 4: ...IER 43 5 REMOVAL AND REPLACEMENT OF EXPANSION VALVE 44 6 REMOVAL AND REPLACEMENT OF ICE MAKING MECHANISM AND WATER SYSTEM 45 7 REMOVAL AND REPLACEMENT OF ELECTRICAL SYSTEM 51 8 REMOVAL AND REPLACEMENT...

Page 5: ...5 I GENERAL INFORMATION 1 DIMENSIONS CONNECTIONS...

Page 6: ...6 2 CONSTRUCTION Hoshizaki Cubelet Ice Dispenser model DCM 230FE includes Water Supply Freezer Condensing Storage Dispensing and Control Assemblies...

Page 7: ...Ice Storage Bin through the Ice Spout Turning on the Power Switch on the Control Box starts the automatic and continuous icemaking process When the Ice Storage Bin is filled with ice the Bin Control S...

Page 8: ...CMOS Complementary Metal Oxide Semiconductor integrated circuits which are susceptible to failure due to static discharge It is especially important to use an antistatic wrist strap when handling or...

Page 9: ...9...

Page 10: ...4 X c e s 2 1 7 t e m i T t e s e r i t n A y a l e R 4 X c e s 0 2 8 t e m i T y a l e d N O y a l e R 4 X c e s 0 9 9 t 6 t g n i t e l p m o c r e t f a e m i T N O y a l e R 4 X c e s 6 0 0 1 t 8...

Page 11: ...make while the Pressure Switch is OFF whether the Bin Control Circuit is ON or OFF 3 X4 makes for t10 sec after the t8 sec delay since the Bin Control Circuit closes makes for t9 sec after the t6 sec...

Page 12: ...onents fasteners and thumbscrews are securely in place 1 After removing the packaging make sure that the ice dispenser is in good condition If in doubt please do not use the equipment but apply to pro...

Page 13: ...t 3 The location should provide a firm and level foundation for the equipment at normal counter top height 4 Allow 15 cm clearance at rear sides and top for proper air circulation and ease of maintena...

Page 14: ...e The main control box fuses are rated at 10A 1A and 0 5A and should only be replaced by a qualified service engineer Usually an electrical permit and services of a licensed electrician are required I...

Page 15: ...rrentrequirementsoftheModel Water Byelaws 1986 SI No 1147 Only potable water should be used for this ice dispenser Water supply pressure should be minimum 0 5 bar and maximum 8 bar If the pressure exc...

Page 16: ...accessory to the R3 4 fittings on the rear bottom of the ice dispenser confirming fitment of rubber washers before finally hand tightening the joints These pipes can be cut to length as necessary to s...

Page 17: ...sconnect the ice dispenser from the feed network This appliance is not suitable for unsupervised use by young children aged or infirm persons 3 All parts are factory adjusted Improper adjustments may...

Page 18: ...ff or close the Water Valve 8 Check the water supply and drain connections for water leaks 9 After the Water Valve has closed the Gear Motor starts first then the Compressor and an automatic and conti...

Page 19: ...ice is dispensed per second Note The Portion Control is factory adjusted at the minimum dispensing time 0 6 sec about 21g 3 PREPARING THE ICE DISPENSER FOR LONG STORAGE IMPORTANT Ensure all components...

Page 20: ...witch 7 Replace the Upper Front Panel in its correct position and close the Drain Valve at the bottom of the Middle Front Panel IMPORTANT Before operating the dispenser next time check that the Drain...

Page 21: ...This appliance must not be cleaned by use of a water jet 1 PERIODIC CLEANING 1 Drain Pan and Grille Wipe every day with a soft cloth containing lukewarm water 2 Exterior Wipe the Exterior with a soft...

Page 22: ...e Switch located at the bottom left of the Middle Front Panel to the CONTINUOUS position 4 Press the Push Button to dispense ice and remove all ice from the Storage Bin 5 Remove the Front Panel and th...

Page 23: ...nd 7 16 Rinse out the sanitizing solution See 11 17 Replace the Water Valve the Top Panel and the Front Panel in their correct positions Note Be sure to replace the Water Valve Packing 18 Open the Wat...

Page 24: ...mbly See Fig 10 4 Remove the Snap Pin the Shaft and the Activator 5 Remove the thumbscrews the Spout and the Packing See Fig 11 6 Remove the Spout Cover black Ice Dispensing Spout and Water Dispensing...

Page 25: ...e produced from the cleaning and sanitizing solutions 13 Clean the storage bin liner and rinse thoroughly 14 Replace the Front Cover of the Storage Bin the Top Panel and the Front Panel in their corre...

Page 26: ...26 9 Plug in the ice dispenser 10 Check for water leaks 11 Replace the panels in their correct positions Fig 13...

Page 27: ...27 V TECHNICAL INFORMATION 1 WATER CIRCUIT AND REFRIGERANT CIRCUIT...

Page 28: ...28 2 WIRING DIAGRAM...

Page 29: ...29 3 TIMING CHART...

Page 30: ...revolution Continuous or Portion 1 30sec Dispensing mode Change Switch WATER DISPENSING SYSTEM Water Valve controlled by Push button BIN CONTROL SYSTEM Mechanical Bin Control Proximity Sw COMPRESSOR H...

Page 31: ...5 25 30 Electric Consumption kWH Ice Production Capacity kg day Water Consumption lit day 300 280 260 240 220 200 180 160 140 120 60Hz 900 800 700 Room Temp C 5 10 20 30 35 Water Temp C 5 5 15 25 30 E...

Page 32: ...0 g 27 sec 11 sec 236 80 g 36 sec 15 sec 189 19 sec 100 g 45 sec 157 23 sec 120 g 55 sec 366 183 183 110 91 Storage Capacity 11000g Dispensing Amount Per Cup 30g Dispensing Amount Per Cup 30g Ice Prod...

Page 33: ...c 19 sec 329 60 g 25 sec 11 sec 246 80 g 33 sec 15 sec 197 19 sec 100 g 42 sec 164 22 sec 120 g 50 sec 366 183 183 110 91 Storage Capacity 11000g Dispensing Amount Per Cup 30g Dispensing Amount Per Cu...

Page 34: ...26 sec 288 13 sec 216 80 g 46 sec 173 21 sec 100 g 57 sec 144 25 sec 120 g 69 sec 366 137 137 110 91 Storage Capacity 11000g Dispensing Amount Per Cup 30g Dispensing Amount Per Cup 30g Ice Production...

Page 35: ...23 sec 301 60 g 30 sec 12 sec 226 80 g 41 sec 16 sec 181 20 sec 100 g 51 sec 151 24 sec 120 g 61 sec 366 137 137 110 91 Storage Capacity 11000g Dispensing Amount Per Cup 30g Dispensing Amount Per Cup...

Page 36: ...s but no ice is produced a Water Supply Line 1 Water supply tap closed 1 Open 2 Water failure 2 Wait till water is supplied b Water Valve 1 Clogged 1 Clean See V 2 c WATER VALVE c Bin Control 1 Trippe...

Page 37: ...y a Condenser 1 Dirty Air Filter or Condenser 1 See 4 a 2 Bad ventilation 2 Remove anything blocking vents b Expansion Valve 1 Low side pressure or temperature exceeding the limit 1 Secure the Bulb or...

Page 38: ...aft worn out a Water 1 Too much impurity 1 If wear is excessive replace 10 Abnormal noise a Fan Motor 1 Bearings worn out 1 Replace 2 Blade is deformed 2 Replace Fan Blade 3 Fan blade does not move fr...

Page 39: ...ntacts 1 Check for continuity and replace 13 Much water drains from Evaporator bottom a Mechanical Seal normally less than 0 5 ml h 1 Dirt stuck on seal 1 Clean 2 Seal worn out 2 Replace b O ring 1 Sc...

Page 40: ...nt Access Valves one on the low side and one on the high side line Using proper refrigerant practices recover the refrigerant from these two Access Valves and store it in an approved container Do not...

Page 41: ...frigerant Access Valves and disconnect the Hoses and Service Manifold 10 Cap the Access Valves to prevent a possible leak 2 BRAZING DANGER 1 Refrigerant R 404A itself is not flammable at atmospheric p...

Page 42: ...igerant system be careful not to let the burner flame contact the lead wires or insulation 6 Remove the Hold down Bolts and Rubber Grommets 7 Slide and remove the Compressor Unpack the new Compressor...

Page 43: ...the Drier until after all other repair or replacement has been made 1 Unplug the ice dispenser 2 Remove the panels 3 Recover the refrigerant and store it in an approved container 4 Remove the Drier us...

Page 44: ...using brazing equipment 6 Braze the new Expansion Valve with nitrogen gas flowing at the pressure of 0 02 0 03 MPa 0 2 0 3 kgf cm2 G WARNING 1 Do not heat the wall Place a steel barrier for protection...

Page 45: ...er on the Gear Motor 7 Cut the Gear Motor leads at the wire connectors 8 Remove the three hexagon bolts securing the Gear Motor on the Main Frame lift the Evaporator slightly and pull out the Gear Mot...

Page 46: ...46 Fig 14...

Page 47: ...uality Replace the bearing whenever the clearance between the bearing and the Auger Shaft exceeds 0 5 mm 1 Unplug the ice dispenser 2 Close the water supply tap 3 Remove the Panels 4 Remove the four T...

Page 48: ...Close the water supply tap 3 Remove the Extruding Head See b EXTRUDING HEAD 4 Open the Drain Valve by rotating the knob and after draining water close the Drain Valve 5 Lift and remove the Auger 6 In...

Page 49: ...6 Assemble the removed parts in the reverse order of with they were removed 7 Open the water supply tap 8 Plug in the ice dispenser 9 Check for water leaks e WATER VALVE 1 Unplug the ice dispenser 2...

Page 50: ...y line 1 Unplug the ice dispenser 2 Close the water supply tap 3 Remove the Panels 4 Open the Drain Valve by rotating the knob and after draining water close the Drain Valve 5 Cut the Float Switch lea...

Page 51: ...e dispenser 9 To check the Bin Control operation move the paddle located on the inside of the Bin Top Panel The Compressor should stop 90 sec later and the Gear Motor 150 sec later 10 Replace the pane...

Page 52: ...apacitor Compressor Compressor Motor Protector Compressor Terminal Box of Compressor Starter Compressor Protector Gear Motor Control Box Capacitor Gear Motor Control Box Capacitor Fan Motor Fan Motor...

Page 53: ...y were removed 7 Plug in the ice dispenser b AGITATOR GEAR MOTOR 1 Unplug the ice dispenser 2 Remove the Front Panel 3 Remove the Bin Front Panel 4 Remove the Thumbscrews and pull off the Gear Motor B...

Page 54: ...ation in EU countries but only one year in other countries Hoshizaki s liability under the terms of the warranty are limited and shall exclude routine servicing cleaning essential maintenance and or r...

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