Scotsman CU0415 Service Manual Download | Manualshive

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August 2013

Page 17

Service Manual for Models CU0415, CU0715 and CU0920

Thermistor Values

0 85325

1 82661

2 80090

3 77607

4 75210

5 72896

6 70660

7 68501

8 66415

9 64400

10 62453

11 60571

12 58752

13 56995

14 55296

15 53653

16 52065

17 50529

18 49043

19 47607

20 46217

21 44872

22 43571

23 42313

24 41094

25 39915

26 38774

27 37669

28 36600

29 35564

30 34561

31 33590

32 32649

33 31738

34 30855

35 30000

36 29171

37 28368

38 27589

39 26835

40 26104

41 25395

42 24707

43 24041

44 23394

45 22767

46 22159

47 21569

48 20997

49 20442

50 19903

51 19381

52 18873

S3 18381

54 17903

55 17439

56 16988

57 16551

58 16126

59 15714

60 15313

61 14924

62 14546

63 14179

64 13823

65 13476

66 13139

67 12812

68 12494

69 12185

70 11884

71 11592

72 11308

73 11031

74 10763

75 10502

76 10247

77 10000

78 9760

79 9526

80 9299

81 9077

82 8862

83 8652

84 8448

85 8250

86 8056

87 7868

88 7685

89 7507

90 7333

91 7164

92 6999

93 6839

94 6683

95 6530

96 6382

97 6238

98 6097

99 5960

100 5826

101 5696

102 5569

103 5446

104 5325

105 5208

106 5093

107 4981

108 4872

109 4766

110 4663

111 4562

112 4463

113 4367

114 4273

115 4182

116 4093

117 4006

118 3921

119 3838

120 3757

121 3678

122 3601

123 3526

124 3452

125 3381

126 3311

127 3243

128 3176

129 3111

130 3047

131 2985

132 2924

133 2865

134 2807

135 2751

136 2696

137 2642

138 2589

139 2537

140 2487

141 2438

142 2390

143 2343

144 2297

145 2252

146 2208

147 2165

148 2123

149 2082

150 2042

151 2003

152 1965

153 1927

154 1890

155 1855

156 1819

157 1785

158 1752

159 1719

160 1687

161 1655

162 1624

163 1594

164 1565

165 1536

166 1508

167 1480

168 1453

169 1427

170 1401

171 1375

172 1350

173 1326

174 1302

175 1279

176 1256

177 1234

178 1212

179 1190

180 1169

181 1149

182 1129

183 1109

184 1090

185 1071

186 1052

187 1034

188 1016

189 998

190 981

191 965

192 948

193 932

194 916

195 901

196 885

197 871

198 856

199 842

200 828

201 814

202 800

203 787

204 774

205 761

206 749

207 737

208 724

209 713

210 701

211 690

212 679

213 668

214 657

215 646

216 636

217 626

218 616

219 606

220 597

221 587

222 578

223 569

224 560

225 551

226 543

227 534

228 526

229 518

230 510

231 502

232 495

233 487

234 480

235 472

236 465

237 458

238 451

239 444

240 438

241 431

242 425

243 419

244 412

245 406

246 400

247 394

246 389

249 383

250 377

Deg. F Ohms

Deg. F Ohms

Deg. F Ohms

Deg. F Ohms

Deg. F Ohms

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Summary of Contents for CU0415

Page 1: ...Service Manual for Cube Ice Machine with storage models CU0415 CU0715 and CU0920 ...

Page 2: ...nformation Keep this manual for future reference Table of Contents Important Details 2 Pre Installation 3 Cabinet Layout CU0415 and CU0715 4 Cabinet Layout CU0920 5 Component Location 6 Connect the water supply 7 Connect the power 8 Control Panel and Adjustments 9 Initial Start Up 10 Use and Operational Notes 11 Maintenance 12 Electrical Sequence 14 Components 15 Performance 16 Thermistor Values 1...

Page 3: ... static 80 psi or 5 5 bar Minimum pressure dynamic 15 psi or 1 bar A drain will be needed for melted ice and rinse water Warranty The warranty statement for this product is provided separately from this manual Refer to it for applicable coverage In general warranty covers defects in material or workmanship It does not cover maintenance corrections to installations or situations when the machine is...

Page 4: ...e to allow placement without legs An optional floor mounting kit is also available to fill the gap between the machine and floor if not using legs If using legs carefully tip the machine and install the legs by screwing them into the leg sockets in the bottom of the machine For reference the thread size is 5 8 11 If the machine has been tipped onto its side or back allow 1 hour before starting the...

Page 5: ...n 29 8cm 11 8in AIR OUTLET AIR INLET 48 3cm 19 0in 68 9cm 27 1in 15 2cm 6 0in 10 2cm MINIMUM UTILITY CLEARENCE 60 3cm 23 7in 38 1cm 15 0in 34 5cm 13 6in 14 6cm 5 8in 5 1cm 2 0in 8 2cm 3 2in POWER CORD POTABLE WATER INLET 1 4 OD PLASTIC TUBING 5ft DRAIN 3 4 FPT DRAIN 3 4 FPT POTABLE WATER INLET 1 4 OD PLASTIC TUBING 5ft POWER CORD ...

Page 6: ...IR INLET AIR OUTLET 48 3cm 19 00in 68 9cm 27 13in 15 2cm 6 00in 10 2cm 4 00in MINIMUM UTILITY CLEARENCE DRAIN 3 4 FPT POWER CORD 50 8cm 20 00in 60 1cm 23 67in POWER CORD POTABLE WATER INLET 1 4 OD PLASTIC TUBING 5ft DRAIN 3 4 FPT 32cm 12 60in 14 6cm 5 75in 7cm 2 75in 8 2cm 3 23in 5 1cm 2 00in POTABLE WATER INLET 1 4 OD PLASTIC TUBING 5ft ...

Page 7: ...odels CU0415 CU0715 and CU0920 August 2013 Page 6 Component Location Bin Thermostat Adjustment Condenser Fins Control Area Drain Plug Bin Thermostat Sensing Point Curtain Condenser Fan Thermostat Controller Cube Deflector ...

Page 8: ...necting to the ice machine 1 Cut cable ties securing hose and power cord to unit 2 Connect to cold potable water using the necessary adapters for the 1 4 inch OD plastic tube If using compression fittings they require a ferrule or sleeve and insert A female 3 8 compression adapter x 1 4 OD compression allows connection to a typical 3 8 OD compression angle valve Another connection method is by qui...

Page 9: ...or it Have all of the shipping items and packaging been removed Has the plastic covering the exterior panels been removed Is the ice chute in the correct position Is the clear plastic curtain hanging down and free to move Has the water supply been connected and confirmed to not leak Has a properly sized and sloped drain tube been attached Has the correct voltage power supply been connected Front v...

Page 10: ...rol Panel and Adjustments Adjustment Indicator Lights Each push and release of the or button will change the lights that glow or blink indicating a change in ice size or harvest time Example pushing one time changes a blinking light to steady on type If the lights are on steady a single push of will add one more light to the right and it will blink There are 10 settings All 5 lights on steady is t...

Page 11: ... the freeze cycle continues for seven more minutes At that time the unit changes to the ice release or harvest cycle During the ice harvest the hot gas valve and inlet water valve are open while the pump and fan motors will stop The blue and yellow lights will go out Water will refill the reservoir 9 Within a minute or so the ice formed in the mold will fall down and slide into the ice storage bin...

Page 12: ...the minimums listed it will not switch on to make ice Minor adjustments may be made to compensate for local conditions by rotating the adjustment screw visible above the control area If in a cold room CW rotation changes the control to COLDER to fill the bin higher If installed at an altitude greater than 2000 ft or 610 meters above sea level the bin thermostat may need internal adjustment The adj...

Page 13: ...ster switch to the Off position 11 Drain the reservoir by removing drain plug and draining the solution into the bin Return the drain plug to its normal position 12 Remove spray platform by removing cube chute and lifting spray platform up and off its connection If needed open platform and confirm all jets are open Rinse out any debris reclose and return it and the cube chute to the unit Be sure g...

Page 14: ...t the reservoirs front lip 11 Move the master switch to the Wash position for 1 minute then switch it to Off 12 Drain the reservoir by removing the drain plug and draining the solution into the bin Return the drain plug to its normal position 13 Move switch to the On position The machine will resume normal ice making 14 Return the front panel to its original position and secure it with the origina...

Page 15: ...ontroller will be ON As the freezing cycle continues the suction line temperature will fall changing the resistance of the thermistor attached to it At a pre set resistance a timer in the controller will start to finish the freezing cycle A yellow light switches on and the freeze cycle will continue for 7 more minutes The Harvest or Defrost mode begins The yellow and blue lights switch off The pum...

Page 16: ...ickness and harvest time adjustable on controller Indicator lights for bridge thickness and harvest time No maximum or minimum time limits or error codes Lights for timer freeze mode and anti slush mode Thermistor failure indicated by all Bridge Thickness and Harvest Time green lights blinking Unit continues to operate on a fixed timed freeze and harvest cycle Sensors Thermistor for suction line t...

Page 17: ...or amp draw 115 volt Freeze 5 minutes in 2 6 Overall Freeze cycle amps begin at 2 7 decline to 2 5 Harvest 2 9 3 2 Drain water per cycle at standard harvest setting about 1 quart at shorter setting drain water reduced slightly CU0920 Compressor amp draw 115 volt Freeze 5 minutes in 3 1 Overall Freeze cycle amps begin at 3 5 decline to 2 9 Harvest 3 3 3 7 Drain water per cycle at standard harvest s...

Page 18: ...63 111 4562 112 4463 113 4367 114 4273 115 4182 116 4093 117 4006 118 3921 119 3838 120 3757 121 3678 122 3601 123 3526 124 3452 125 3381 126 3311 127 3243 128 3176 129 3111 130 3047 131 2985 132 2924 133 2865 134 2807 135 2751 136 2696 137 2642 138 2589 139 2537 140 2487 141 2438 142 2390 143 2343 144 2297 145 2252 146 2208 147 2165 148 2123 149 2082 150 2042 151 2003 152 1965 153 1927 154 1890 1...

Page 19: ...me and a bigger bridge The lower level line of LED lights are indicators of the adjustment for Harvest Time More lights more harvest time and more water rinse At the end of the freeze cycle a yellow Timer light will switch on indicating that there are 7 minutes left until Harvest During the end of Harvest the Timer light may also switch on Unit in ice making mode freeze mode indicator light is on ...

Page 20: ...ime is when the water temperature is near the freezing point The controller measures the water temperature using a thermistor probe in the pump discharge hose At the correct temperature it cuts power to the water pump for 30 seconds This allows the water left on the evaporator surface to securely freeze to the evaporator surface When the pump restarts the freeze cycle will continue until harvest T...

Page 21: ... and the Freeze relay will close and the blue Freeze LED will turn on for 5 seconds Compressor fan motor and pump will start If not the controller has failed 11 Press upper right again and the Pump relay will switch the pump will stop and red LED on back side of the board will turn on for 5 seconds Note Pressing repeatedly will toggle between testing the two relays 12 Press and hold lower left but...

Page 22: ...e self test on prior page Controller failure 12 volts to it no lights visible Replace controller No ice compressor and fan on pump not spraying water No or low water in reservoir Check water filters check water pressure Pressure lower than 10 psi flowing may not fill reservoir enough Check inlet water solenoid valve for proper operation Check drain plug for leaks correct as needed Pump hose discon...

Page 23: ...rating Not enough refrigeration Check suction line temperature When blue freeze mode light is on suction line should begin to get cold If not confirm compressor is operating No ice in bin evaporator mold forms ice properly No heat for harvest ice does not release Hot gas valve does not open Check water valve if it adds water during harvest and the hot gas valve does not open replace the hot gas va...

Page 24: ...h altitude adjust compensation screw Unit makes ice but it is wet Normal Fresh ice will be wet Water dripping spraying on it Check curtain may be torn or not in position Check that cube deflector is correctly positioned Makes ice but is slow cannot keep up Air cooled condenser is dirty Clean condenser fins Too much water Slight leak from inlet water solenoid valve check replace valve Air flow to c...

Page 25: ...ont of the reservoir Push curtain down into the slot as far as it will go 6 Check that curtain hangs freely and reassemble the parts removed Cube Deflector 1 Remove front panel 2 Shut unit off 3 Open door lift original cube deflector up twist slightly and pull forward out of the reservoir 4 Install new deflector in reservoir be sure deflector is snapped down at the front it fits tightly on the res...

Page 26: ...ting it up twisting slightly and pulling out 4 Pull spray platform forward unit it releases from its snap and remove pump hose from platform 5 Remove platform from the unit Replace or service and then reinstall it 6 Reconnect pump hose 7 Slide platform back into reservoir Note Bottom of platform has a raised area that fits only on the left side Be sure platform is placed all the way back in the re...

Page 27: ...itch is in the ON position 16 Reinstall all panels 17 Reconnect electrical power Inlet Water Solenoid Valve 1 Disconnect Electrical Power 2 Pull unit out to get back access 3 Remove front panel 4 Remove top panel 5 Remove right side panel 6 Remove back panel 7 Shut water off to unit 8 Remove utility panel lower left corner viewed from the back Valve bracket is attached to panel 9 Locate inlet wate...

Page 28: ...e Ajuste del tiempo de cosecha Regolazione orario di raccolta Anpassung der Erntezeit ON OFF WASH MARCHE ARRÊT LAVAGE ENCENDIDO APAGADO LAVADO ON OFF LAVAGGIO EIN AUS WASCHEN Freeze Mode Mode de congélation Modo de congelamiento Modalità congelamento Gefriermodus Timer On Minuterie allumée Cronómetro encendido Timer attivato Timer eingeschaltet 17 3386 01 Ice Bridge Thickness Adjustment Adjust by ...

Page 29: ... from tube in bin 8 Remove evaporator cover 9 Remove screws holding evaporator to its frame lift evaporator up out of the way Note Support evaporator as needed to prevent damage 10 Disconnect electrical wires from water pump 11 Remove thermistor from pump hose and reservoir 12 Disconnect bin drain 13 Disconnect water supply hose from evaporator platen 14 Lift bin with reservoir off of deck 15 Remo...

Page 30: ...CTRONIC CONTROL ELECTRONIC CONTROL EVAPORATOR TEMP SENSOR FAN MOTOR HOT GAS SOLENOID TRANSFORMER 12V LINE N or L2 L1 3 4 WATER SOLENOID WATER PUMP COMPRESSOR SWITCHES ON THIS UNIT SHOWN IN FREEZE CYCLE LINE LOAD TRANSFORMER EARTH GROUND ON WASH 3 WAY SWITCH WASH ON FAN CONTROL PUMP COM A C PWR COM NC HARVEST BN W W WATER TEMP SENSOR FREEZE NO PUMP NC 3 2 1 5 6 4 6 5 2 3 4 1 PUMP COM HARV NC PUMP N...

Page 31: ...SCOTSMAN ICE SYSTEMS 775 Corporate Woods Parkway Vernon Hills IL 60061 USA 847 215 4500 800 726 8762 www scotsman ice com ...

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