Hoshizaki STACKABLE CRESCENT CUBER KM-1301SAH-E User Manual

Hoshizaki “A Superior Degree of Reliability” www.hoshizaki.com Models KM-1301SAH-EKM-1301SWH-EKM-1301SRH-EStackable Crescent Cuber Hoshizaki America,

10AC SUPPLY VOLTAGE 115/50/1 (Connection to Icemaker) FAN MOTOR 115 V Total 2.6FLA 130WEXTERIOR DIMENSIONS (WxDxH) 35-11/16"×15-11/16"×21-1

11II. General InformationA. Construction1. KM-1301SAH-E (air-cooled)Evaporator AssemblySpray TubesInlet Water ValveWater Supply InletHot Gas ValveJunc

122. KM-1301SWH-E (water-cooled)Evaporator AssemblySpray TubesInlet Water ValveWater Supply InletHot Gas ValveJunction BoxWater Regulating ValveCheck

133. KM-1301SRH-E (remote air-cooled)Evaporator AssemblySpray TubesInlet Water ValveWater Supply InletHot Gas ValveJunction BoxesReceiver TankCheck Va

14B. Sequence of OperationIMPORTANTKM-1301SAH-E utilizes a thermostatic bin control. For KM-1301SAH-E operation, the K4 jumper (4A4883G01) must be in

15c) Freeze CycleLED 1 is on. Comp and FMR remain energized, PM energizes or remains energized depending on harvest pump timer (S4 dip switch 7) setti

16(2) Mechanical Bin Control (KM-1301SWH-E, KM-1301SRH-E)WhenmechanicalBCisactivated(BCopen),theyellow"BCOPEN"LEDcomeson.Theu

172. Sequence Flow ChartF/S check1 to 3-min. timer in control (S4 dip switch 1 & 2)Components Energized when the Control Switch is in the "WA

18C. Control Board•A Hoshizaki exclusive solid-state control board is employed in Hoshizaki Stackable Crescent Cubers.•All models are pretested and

191. Control Board Layout"G" Control BoardPart Number 2A3792-01"G" Control Board• "ALARM RESET" Button• "OUTPUT TES

2IMPORTANTOnly qualied service technicians should install, service, and maintain the icemaker. No service or maintenance should be undertaken until t

20a) LED Lights and Audible Alarm SafetiesAt startup, a 5-second delay occurs while the control board conducts an internal timer check.Abeepoccurs

212. Controls and AdjustmentsCAUTIONDip switches are factory set. Failure to maintain factory settings may adversely affect performance and warranty c

22c) Pump-Out Timer (S4 dip switch 3 & 4)CAUTIONDo not adjust S4 dip switch 3 off and S4 dip switch 4 on for this model. Otherwise, pump motor doe

23e) Harvest Pump Timer (S4 dip switch 7)CAUTIONFactory set for proper operation. Do not adjust. Adjustment outside of the factory default setting may

24h) Float Switch Control (S5 dip switch 1)CAUTIONDo not adjust. This must be left in the factory default position or the unit will not operate corre

25III. Technical InformationA. Water Circuit and Refrigeration Circuit1. KM-1301SAH-E (air-cooled)Water SupplyFloat SwitchDrainCheck ValveExpansion Va

262. KM-1301SWH-E (water-cooled)Water SupplyFloat SwitchDrainCheck ValveExpansion ValvesCompressorHot Gas ValveCheck ValvesHigh-Pressure SwitchStraine

273. KM-1301SRH-E (remote air-cooled)Water SupplyFloat SwitchDrainCheck ValveExpansion ValvesCompressorHot Gas ValveCheck ValvesHigh-Pressure SwitchSt

28B. Wiring Diagrams1. Auxiliary Code T-0, U-0 a) KM-1301SAH-E (air-cooled)Auxiliary Code T-0, U-0Transformer Output 10.5V at 115V** High-Pressure Swi

292. Auxiliary Code U-1 and Later a) KM-1301SAH-E (air-cooled) Auxiliary Code U-1 and LaterTransformer Output 10.5V at 115V** High-Pressure SwitchCut-

3CONTENTSImportant Safety Information ... 5I. Specicati

30b) KM-1301SWH-E (water-cooled) *Transformer Output 10.5V at 115V* High-Pressure SwitchCut-out 384±21 PSIG Cut-in 284±21 PSIG0

31c) KM-1301SRH-E (remote air-cooled)*Transformer Output 10.5V at 115V* High-Pressure SwitchCut-out 412±21 PSIG Cut-in 327±21 PSIG0

32C. Performance Data1. KM-1301SAH-E (air-cooled)Note:1. Pressure data is recorded at 5 minutes into freezing cycle. The data not in bold should be us

332. KM-1301SWH-E (water-cooled) Note:1. Pressure data is recorded at 5 minutes into freezing cycle. The data not in bold should be used for reference

34Note:1. Pressure data is recorded at 5 minutes into freezing cycle. The data not in bold should be used for reference only.2. We reserve the right t

35IV. Service Diagnosis WARNING1. This unit should be diagnosed and repaired only by qualied service personnel to reduce the risk of death, electric

364) Initial Harvest Cycle – LEDs 1, 4, and 2 are on. WV and X2 relay (auxiliary code T-0, U-0), X11 relay (auxiliary code U-1 and later) remain energ

37an inoperative Comp, or an inoperative HM. If the unit switches out of freeze with F/S connector removed, but would previously not switch out of fre

388) Shutdowna) Thermostatic Bin Control: KM-1301SAH-EWhen the unit is running hold ice in contact with the thermostatic bulb, the thermostatic BC swi

39B. Control Board CheckBefore replacing a control board that does not show a visible defect and that you suspect is bad, always conduct the following

4III. Technical Information ... 25A. Water Circuit

40C. Bin Control Check1. Thermostatic Bin Control Check: KM-1301SAH-ETo check the thermostatic bin control, follow the steps below.CAUTIONWhen the amb

417) Press the actuator paddle, check for continuity across the wires of the red connector. When the actuator paddle is engaged, the mechanical bin co

42b) Mechanical Bin Control CleaningScale may build up on the mechanical bin control. Scale can cause the actuator paddle and magnet to stick. In this

43D. Float Switch Check and CleaningThe oat switch is used to determine that there is sufficient water in the tank after the 1-minute ll cycle and a

442. Float Switch CleaningDepending on local water conditions, scale may build up on the oat switch. Scale on the switch can cause the oat to stick.

45E. Thermistor CheckTo check thermistor resistance, follow the steps below.1) Turn off the power supply.2)Removethefrontpanel,thenmovethecont

46G. Diagnostic ChartsBefore consulting the diagnostic charts, check for correct installation, proper voltage per unit nameplate,andadequatewaters

47No Ice Production - Possible Cause14. Float SwitchSee"IV.D.FloatSwitchCheckandCleaning."a) Float does not move freely.b) Defective.1

482. Freeze UpDefrostandcleantheunitpriortodiagnosingfreezeup.See"VI.A.CleaningandSanitizingInstructions."Freeze Up - Possibl

49Freeze Up - Possible CauseFreeze Cycle1. Evaporator a) Scaled up.b) Damaged.2. Separators a) Out of position. 3. Spray Tubes and/or Spray Guidesa) D

5Important Safety InformationThroughout this manual, notices appear to bring your attention to situations which could result in death, serious injury,

503. Low Ice ProductionLow Ice Production - Possible CauseLong Harvest Cycle1. Evaporator a) Scaled up.2. Spray Tubes and/or Spray Guidesa) Dirty.b) O

51V. Replacement of Components WARNING1. This unit should be diagnosed and repaired only by qualied service personnel to reduce the risk of death, el

522. Brazing WARNING1. R-404A itself is not ammable at atmospheric pressure and temperatures up to 176°F (80°C).2. R-404A itself is not explosive or

534) Close the low-side valve and high-side valve on the gauge manifold.5) Disconnect the gauge manifold hose from the vacuum pump and attach it to a

54B. Important Notes for Component ReplacementCAUTIONWhen replacing a component listed below, see the notes to help ensure proper operation.Component

55VI. Cleaning and MaintenanceThis icemaker must be cleaned and maintained in accordance with the documentation and labels provided with the icemaker.

565) Remove the drain plug located on the lower front part of the ice chute. See Fig. 6. Allow the water tank to drain.6) Replace the drain plug in it

5715)Movethecontrolswitchtothe"ICE"position.16) Replace the front panel in its correct position.17) Turn on the power supply to ll

58B. MaintenanceThe maintenance schedule below is a guideline. More frequent maintenance may be required depending on water quality, the icemaker&apos

593) Close the icemaker water supply line shut-off valve, then open the icemaker water supply line drain valve.4) Allow the line to drain by gravity.5

6AC SUPPLY VOLTAGE 220-240/50/1AMPERAGE 11.8 A (5 Min. Freeze AT 109°F/WT 59°F)MINIMUM CIRCUIT AMPACITY 20 AMAXIMUM FUSE SIZE 20 AAPPROXIMATE ICE PRO

7AC SUPPLY VOLTAGE 220-240/50/1AMPERAGE 10.7 A (5 Min. Freeze AT 109°F/WT 59°F)MINIMUM CIRCUIT AMPACITY 20 AMAXIMUM FUSE SIZE 20 AAPPROXIMATE ICE PRO

8AC SUPPLY VOLTAGE 220-240/50/1AMPERAGE 12.3 A (5 Min. Freeze AT 109°F/WT 59°F)MINIMUM CIRCUIT AMPACITY 20 AMAXIMUM FUSE SIZE 20 AAPPROXIMATE ICE PRO

9B. Condenser Unit1. URC-14FEUnits: mm [in.]935[36-13/16]850[33-15/32]960[37-13/16]907.2[35-11/16]309[12-3/16]75[2-15/16]380[14-15/16]557.8[21-15/16]6