Hoshizaki KM-1301SAH/3 Bedienungsanleitung

Hoshizaki “A Superior Degree of Reliability” www.hoshizaki.com Models KM-1301SAH/3 KM-1301SWH/3 KM-1301SRH/3 Stackable Crescent Cuber Hoshizaki Ame

104. KM-1301SWH3 (water-cooled)Note: We reserve the right to make changes in specications and design without prior notice.AC SUPPLY VOLTAGE 208-230/6

115. KM-1301SRH (remote air-cooled)Note: We reserve the right to make changes in specications and design without prior notice.AC SUPPLY VOLTAGE 208-2

126. KM-1301SRH3 (remote air-cooled)Note: We reserve the right to make changes in specications and design without prior notice.AC SUPPLY VOLTAGE 208-

13B. Condenser Unit1. URC-14FUnit: inches (mm)

14 SPECIFICATIONSMODEL: URC-14FAC SUPPLY VOLTAGE 115/60/1 (Connection to Icemaker) FAN MOTOR 115 V Total 2.6FLA 130WEXTERIOR DIMENSIONS (WxDxH) 35-11

15II. General InformationA. Construction1. KM-1301SAH, KM-1301SAH3 (air-cooled)Evaporator AssemblySpray TubesInlet Water ValveWater Supply InletHot Ga

162. KM-1301SWH, KM-1301SWH3 (water-cooled)Evaporator AssemblySpray TubesInlet Water ValveWater Supply InletHot Gas ValveJunction BoxWater Regulating

173. KM-1301SRH, KM-1301SRH3 (remote air-cooled)Evaporator AssemblySpray TubesInlet Water ValveWater Supply InletHot Gas ValveJunction BoxesReceiver T

18B. Sequence of OperationIMPORTANTThis unit utilizes a thermostatic bin control. For operation, the K4 jumper (4A4883G01) must be in place on the con

19de-energize. For the rst 5 minutes, CB will not accept a signal from F/S. This minimum 5-minute freeze time is short cycle protection for Comp. At

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

202. Sequence Flow Chart•WVtime:6min.orthelengthofharvestminus0or50 sec. (S4 dip switch 7), whichever is shorter. DO NOT ADJUST S4 dip s

21C. Control Board•A Hoshizaki exclusive solid-state control board is employed in KM-1301SAH/3, KM-1301SWH/3, and KM-1301SRH/3, Stackable Crescent Cu

221. Control Board LayoutControl BoardPart Number 2A3792-01"G" Control Board"ALARM RESET" Button"OUTPUT TEST" Button(use

232. Featuresa) Maximum Water Supply Period - 6 minutesThe inlet water valve will be open during harvest for 6 minutes or the length of harvest minus

24f) LED Lights and Audible Alarm SafetiesAt startup, a 5-second delay occurs while the control board conducts an internal timer check. A beep occurs

253. Controls and AdjustmentsCAUTIONDip switches are factory set. Failure to maintain factory settings may adverselyaffect performance and warranty co

26c) 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

27e) Harvest Pump Timer (S4 dip switch 7)CAUTIONFactory set for proper operation. Do not adjust. Adjustment outside of the factory default setting may

28h) 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

29D. Bin ControlCAUTIONWhen the ambient temperature is below 45°F (7°C), the thermostatic bin control switch opens and shuts down the icemaker even if

3CONTENTSImportant Safety Information ... 6I. Specicati

30III. Technical InformationA. Water Circuit and Refrigeration Circuit1. KM-1301SAH, KM-1301SAH3 (air-cooled)Water SupplyCleaning ValveFloat SwitchDra

312. KM-1301SWH, KM-1301SWH3 (water-cooled)Water SupplyCleaning ValveFloat SwitchDrainCheck ValveExpansion ValvesCompressorHot Gas ValveCheck ValvesHi

323. KM-1301SRH, KM-1301SRH3 (remote air-cooled)Water SupplyCleaning ValveFloat SwitchDrainCheck ValveExpansion ValvesCompressorHot Gas ValveCheck Val

33B. Wiring Diagrams1. Auxiliary Code T-0, U-0 a) KM-1301SAH (air-cooled)Auxiliary Code T-0, U-0Transformer Output 10.5V at 115V** High Pressure Switc

34b) KM-1301SWH (water-cooled)Auxiliary Code T-0, U-0*Transformer Output 10.5V at 115V* High Pressure SwitchCut-out 384±21 PSIG Cut-in 284±21 PSIG0

35c) KM-1301SRH (remote air-cooled)Auxiliary Code T-0, U-0Transformer Output 10.5V at 115V* High Pressure SwitchCut-out 412±21 PSIG Cut-in 327±21 PSIG

36d) KM-1301SAH3 (air-cooled) and KM-1301SWH3 (water-cooled)Auxiliary Code T-0, U-0Transformer Output 10.5V at 115V** High Pressure SwitchAir-Cooled M

37e) KM-1301SRH3 (remote air-cooled)Auxiliary Code T-0, U-0*Transformer Output 10.5V at 115V* High Pressure SwitchCut-out 412±21 PSIG Cut-in 327±21 PS

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

39b) KM-1301SWH (water-cooled) Auxiliary Code U-1 and Later*Transformer Output 10.5V at 115V* High Pressure SwitchCut-out 384±21 PSIG Cut-in 284±21 P

4e) Harvest Pump Timer (S4 dip switch 7) ... 27f) Factory Use (S4 dip switch 8) ...

40c) KM-1301SRH (remote air-cooled)Auxiliary Code U-1 and Later*Transformer Output 10.5V at 115V* High Pressure SwitchCut-out 412±21 PSIG Cut-in 327±2

41d) KM-1301SAH3 (air-cooled) and KM-1301SWH3 (water-cooled)Auxiliary Code U-1 and Later*Transformer Output 10.5V at 115V* High Pressure SwitchAir-Coo

42e) KM-1301SRH3 (remote air-cooled)Auxiliary Code U-1 and Later*Transformer Output 10.5V at 115V* High Pressure SwitchCut-out 412±21 PSIG Cut-in 327±

43C. Performance Data1. KM-1301SAH (air-cooled)Note:1. Pressure data is recorded at 5 minutes into freezing cycle. The data not in bold should be used

442. KM-1301SAH3 (air-cooled)Note:1. Pressure data is recorded at 5 minutes into freezing cycle. The data not in bold should be used for reference onl

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

464. KM-1301SWH3 (water-cooled) Note:1. Pressure data is recorded at 5 minutes into freezing cycle. The data not in bold should be used for reference

47Note: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

486. KM-1301SRH3 (remote air-cooled)Note:1. Pressure data is recorded at 5 minutes into freezing cycle. The data not in bold should be used for refere

49IV. Service Diagnosis WARNING1. This unit should be diagnosed and repaired only by qualied service personnel to reduce the risk of death, electric

5V. Removal and Replacement of Components ... 65A. Service for Refrigerant Lines ...

503) 1-Minute Fill Cycle – LED 4 is on. WV and X2 relay (auxiliary code T-0, U-0), X11 relay (auxiliary code U-1 and later) energize and the 1-minute

515) Freeze Cycle – LED 1 is on. Comp and FMR remain energized, PM energizes or remains energized depending on harvest pump timer (S4 dip switch 7) se

52Diagnosis: If PM does not reverse, check to see if CB S4 and S5 dip switch settings are in the factory default position. If S4 dip switch 3 and 4 ar

53B. Control Board CheckBefore replacing a control board that does not show a visible defect and that you suspect is bad, always conduct the following

54C. Bin Control CheckTo check the thermostatic bin control, follow the steps below.CAUTIONWhen the ambient temperature is below 45°F (7°C), the therm

558) Reconnect the black oat switch connector to the control board BLACK K5 connector, then replace the control box cover in its correct position.9)

567) Wipe down the oat switch assembly's housing, shaft, oat, and retainer rod with a mixture of 1 part Hoshizaki "Scale Away" and 25

57F. Diagnostic Charts1. No Ice ProductionProblem Possible Cause Remedy[1] The icemaker will not start.a) Power Supply 1. Off, blown fuse, or tripped

58Problem Possible Cause Remedy[1] The icemaker will not start. (continued)h) Transformer 1. Coil winding open or shorted.1. Replace.i) Wiring to Cont

59Problem Possible Cause Remedy[3] Compressor will not start or stops operating.a) Magnetic Contactor 1. Bad contacts. 1. Check for continuity and rep

6Important Safety InformationThroughout this manual, notices appear to bring your attention to situations which could result in death, serious injury,

60Problem Possible Cause Remedy[7] Fan motor will not start, or is not operating (except water-cooled model).a) Fan Motor 1. Motor winding open. 1. Re

61Problem Possible Cause Remedy[1]Freeze cycle time is too long. (continued)f) Thermistor 1. Loose or disconnected.1. Reattach or connect. See "I

62Problem Possible Cause Remedy[3]Other. a) Ice Cube Guide 1. Out of position. 1. Place in position.b) Thermostatic Bin Control 1. Bulb out of positi

63Problem Possible Cause Remedy[2] Harvest cycle time is long.a) Water Supply 1. Water temperature too cold.1. Increase temperature.b) Thermistor 1. O

64Problem Possible Cause Remedy[2] Cloudy or irregular cubes.a) Evaporator 1. Frozen up. 1. See chart 2. 2. Scaled up. 2. Clean3. Damaged. 3. Replace

65V. Removal and Replacement of Components WARNING1. This unit should be diagnosed and repaired only by qualied service personnel to reduce the risk

662. 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

673) Allow the vacuum pump to pull down to a 29.9" Hg vacuum. Evacuating period depends on pump capacity.4) Close the low-side valve and high-sid

687) Remove the compressor. Unpack the new compressor package. 8) Attach the rubber grommets of the prior compressor to the new compressor.9) Place th

698) Use an electronic leak detector or soap bubbles to check for leaks. Add a trace of refrigerant to the system (if using an electronic leak detecto

7I. SpecicationsA. Icemaker1. KM-1301SAH (air-cooled)Note: We reserve the right to make changes in specications and design without prior notice.AC S

7010) Evacuate the system, and charge it with refrigerant. For air-cooled and water-cooled models, see the nameplate for the required refrigerant char

71F. Removal and Replacement of Air-Cooled CondenserCAUTION1. Always install a new drier every time the sealed refrigeration system is opened. 2. Do n

72G. Removal and Replacement of Water-Cooled CondenserCAUTION1. Always install a new drier every time the sealed refrigeration system is opened. 2. Do

73H. Removal and Replacement of Remote Air-Cooled CondenserCAUTION1. Always install a new drier every time the sealed refrigeration system is opened.

74I. Removal and Replacement of Water Regulating Valve (water-cooled model)CAUTION1. Always install a new drier every time the sealed refrigeration sy

7518) Check for water leaks.19) Replace the panels in their correct positions.20) Turn on the power supply.J. Adjustment of Water Regulating Valve (wa

768) Braze all ttings with nitrogen gas owing at a pressure of 3 to 4 PSIG. 9) Use an electronic leak detector or soap bubbles to check for leaks. A

7711) Connect the white thermistor connector through the bushing of the control box to the control board WHITE K3 connector.CAUTIONDo not cut the lead

7810) Turn on the power supply.11) Check for leaks.12) Replace the front panel in its correct position.13) Turn on the power supply.O. Removal and Rep

79P. Removal and Replacement of Control BoardWhen replacing a control board follow the precautions below.CAUTION1. The control board is fragile; handl

8Note: We reserve the right to make changes in specications and design without prior notice.2. KM-1301SAH3 (air-cooled)AC SUPPLY VOLTAGE 208-230/60/3

80CLOSED POSITION OPEN POSITIONVI. Cleaning and MaintenanceIMPORTANTEnsure all components, fasteners, and thumbscrews are securely in place after any

811. Cleaning Procedure1) Dilute 27 . oz. (800 ml) of Hoshizaki "Scale Away" with 5 gal. (19 l) of warm water. 2) Remove all ice from the e

8218) Replace the front panel in its correct position.19) Turn on the power supply to ll the water tank with water.20) Turn off the power supply afte

83B. Maintenance InstructionsIMPORTANTThis icemaker must be maintained individually, referring to the instruction manual and labels provided with the

845) Open the water regulating valve by using a screwdriver to pry up on the spring retainer underneath the spring. While holding the valve open, blow

93. KM-1301SWH (water-cooled) Note: We reserve the right to make changes in specications and design without prior notice.AC SUPPLY VOLTAGE 208-230/60