Manuals / Hoshizaki / Kitchen Appliance / Ice Maker

Hoshizaki SRH/3 KM-2100SWH3, SWH/3 C. Settings and Adjustments, Default Dip Switch Settings

Models: SRH/3 KM-1900SAH/3 SRH3 KM-2500SWH3 SRH3 KMH-2000SWH/3 SWH/3 KM-1301SAH/3 SWH3-M KM-1601SAH/3 SRH/3 KM-1400SWH-M SRH/3 KM-2100SWH3 SRH/3

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C. Settings and Adjustments

C. Settings and Adjustments

NOTICE

Dip switches are factory set. Failure to maintain factory settings may adversely affect performance and warranty coverage. For more information, contact your Hoshizaki Service Center.

1. Default Dip Switch Settings

The dip switches are factory-adjusted to the following positions for both the "E" and "G" control boards:

a) "E" and "G" Control Board without Harvest Pump Timer Operation

Code on

S4 Dip Switch No.

Auxiliary

Water Valve

Water

1

2

3

4

5

6

7

8

9

10

Model

Code

Part Number

Valve

KM-1601SWH/3

All

OFF

OFF

OFF

OFF

ON

ON

OFF

OFF

OFF

ON

KM-1601SRH/3

R-0, R-1,

3U0111-02

J248-032

ON

OFF

ON

OFF

OFF

OFF

OFF

OFF

OFF

OFF

some S-1

(8 l/min)

Some S-1

3U0111-01

J248-030

(15 l/min)

ON

OFF

OFF

OFF

ON

ON

OFF

OFF

OFF

OFF

S-2 & later

4A1176-04 (11 l/min)

V-1 (M) & later

4A5251-04 (11 l/min)

KM-1900SAH/3

KM-1900SWH/3

KM-2100SWH3

All

OFF

OFF

OFF

OFF

OFF

OFF

OFF

OFF

ON

OFF

KMH-2000SWH/3

KMH-2000SRH3

KM-1900SRH/3

All

ON

OFF

ON

ON

OFF

OFF

OFF

OFF

ON

OFF

KM-2100SRH3

KM-2500S_H3

All

OFF

OFF

OFF

OFF

OFF

OFF

OFF

OFF

OFF

ON

KMH-2000SRH

All

OFF

OFF

OFF

OFF

OFF

OFF

OFF

OFF

ON

ON

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Hoshizaki SRH/3 KM-2100SWH3, SRH/3 KM-1400SWH-M, KM-1301SAH/3 C. Settings and Adjustments, Default Dip Switch Settings

Contents

SERVICE MANUAL Stackable Crescent Cuber ModelsHoshizakiHoshizaki America, Inc Phone 1-800-233-1940 770 Fax 1-800-843-1056 Complete and detailed explanation of the problemE-mail techsupport@hoshizaki.com HOSHIZAKI AMERICA, INC 618 Highway 74 South Peachtree City, GACONTENTS 1. Default Dip Switch Settings C. Settings and Adjustmentsa E and G Control Board without Harvest Pump Timer Operation b G Control Board with Harvest Pump Timer Operation23. KM-1900SRH with URC-21F Indicates a hazardous situation which could result in death or Important Safety Informationserious injury Indicates a situation which could result in damage to theAdditional Warning for Remote Models WARNING, continuedA. KM Construction I. Construction and Water/Refrigeration Circuit Diagram1. Air-Cooled Models SAH/3 Model Shown KM-1301SAH3Model Shown KM-1301SWH3 2. Water-Cooled Models SWH/3/-MNote KM-2500SRH3 Includes Headmaster C.P.R Model Shown KM-1301SRH3 3. Remote Models SRH/31. Water-Cooled Models SWH/3 B. KMH ConstructionModel Shown KMH-2000SWH3 Model Shown KMH-2000SWH32. Remote Models SRH/3 Model Shown KMH-2000SRH3Model Shown KMH-2000SRH3 C. Water/Refrigeration Circuit Diagram1. Air-Cooled Models SAH/3 Water TankWater Tank Water-Cooled Models SWH/3/-MWater Regulating Valve CondenserCondenser Unit with Headmaster KM-2500SRH33a. Remote Models SRH/3 Except Water TankTank WaterFreeze Pump-OutII. Sequence of Operation and Service Diagnosis A. Sequence of Operation Flow ChartE and G Control Board without Harvest Pump Timer Operation Flow Chart Components Energized when the Control Switch is in the WASH PositionG Control Board with Harvest Pump Timer Operation Flow Chart 2. G Control Board with Harvest Pump Timer OperationComponents Energized when the Control Switch is in the WASH Position B. Service Diagnosis 1. E and G Control Board without Harvest Pump Timer Diagnosis d WRV Diagnosis Confirm WRV is not leaking by For LLV check coil voltage and continuity After 11th freeze cycle 9 Shutdown E and G Control Board 2. G Control Board with Harvest Pump Timer Diagnosis d WRV Diagnosis Confirm WRV is not leaking by 50 sec. before harvest terminates, PM energizes. See step 5b belowR and neutral W, check PM capacitor and motor winding continuity For LLV, check coil voltage and continuity 7 Pump-Out Cycle - LEDs 1, 3, and 2 are on 10/20 second pump-out. Timing of the first pump-out is determined by S4 dip switch 5 & 6. See the table below 9 Shutdown G Control Board C. Control Board Check D. Bin Control Check 1. Float Switch Check E. Float Switch Check and Cleaning2. Float Switch Cleaning Vent Flush Shaft Float Switch Housing Float Retainer Rod Rubber Bootand Hose Thermistor Lead F. Thermistor CheckCable Tie Foam InsulationG. Diagnostic Tables 1. No Ice ProductionNo Ice Production - Possible Cause No Ice Production - Possible Cause 2. Freeze-UpFreeze-Up - Possible Cause Harvest CycleFreeze-Up - Possible Cause 3. Low Ice ProductionFreeze Cycle Low Ice Production - Possible CauseLong Freeze Cycle Low Ice Production - Possible CauseIII. Controls and Adjustments E Control Board A. Control Board Layout1. E Control Board E Control Board2. G Control Board G Control BoardG Control Board Part Number 2A3792-011. E Control Board B. LED Lights and Audible Alarm Safeties2. G Control Board C. Settings and Adjustments 1. Default Dip Switch Settingsa E and G Control Board without Harvest Pump Timer Operation c G Control Board S5 Dip Switch b G Control Board with Harvest Pump Timer OperationS4 Dip Switch E and G Control Boards S5 Dip Switch3. Pump-Out Timer S4 dip switch 3 a Bin Control Selector E Control Board 4. Pump-Out Frequency Control S4 dip switch 5b Harvest Pump Timer G Control Board 6. Factory Use S4 dip switch7. Freeze Timer S4 dip switch 9 D. Control Switch 8. Float Switch Selector S5 dip switch 1 G Control Board9. Refill Counter S5 dip switch 2 through 5 G Control Board IV. Refrigeration Circuit and Component Service Information A. Refrigeration Circuit Service Information1. Refrigerant Recovery 3. Evacuation and Recharge R-404A 2. Brazing4 Close the low-side valve and high-side valve on the gauge manifold Component B. Component Service InformationC. Water Regulating Valve Adjustment water-cooled models V. Maintenance VI. Preparing the Icemaker for Periods of Non-Use 1. Remove the water from the icemaker water supply line2. Drain the water tank 6 Close the drain valves VII. Disposal A. Specification and Performance Data VIII. Technical Information1. KM-1301SAH 2. KM-1301SAH3 1318 3. KM-1301SWH1323 17404. KM-1301SWH3 5. KM-1301SRH with URC-14F 6. KM-1301SRH3 with URC-14F 7. KM-1400SWH-M 8. KM-1400SWH3-M SPECIFICATION SHEET 9. KM-1601SAHPERFORMANCE DATA SHEET 1462SPECIFICATION SHEET 10. KM-1601SAH3PERFORMANCE DATA SHEET 145611. KM-1601SWH SPECIFICATION SHEETPERFORMANCE DATA SHEET 12. KM-1601SWH3 13. KM-1601SRH with URC-21F Auxiliary Codes R-0, R-1, and some S-1 PERFORMANCE DATA SHEET SPECIFICATION SHEET15. KM-1601SRH with URC-22F Auxiliary Codes S-2 and Later 16. KM-1601SRH3 with URC-21F Auxiliary Codes R-0, R-1, and some S-1 SPECIFICATION SHEETPERFORMANCE DATA SHEET PERFORMANCE DATA SHEET SPECIFICATION SHEETSPECIFICATION SHEET 18. KM-1601SRH3 with URC-22F Auxiliary Codes S-2 and LaterPERFORMANCE DATA SHEET 1530SPECIFICATION SHEET 19. KM-1900SAHPERFORMANCE DATA SHEET 2480SPECIFICATION SHEET 20. KM-1900SAH3PERFORMANCE DATA SHEET 1859SPECIFICATION SHEET 21. KM-1900SWHPERFORMANCE DATA SHEET 1876SPECIFICATION SHEET 22. KM-1900SWH3PERFORMANCE DATA SHEET 1814SPECIFICATION SHEET 23. KM-1900SRH with URC-21FPERFORMANCE DATA SHEET 2630SPECIFICATION SHEET 24. KM-1900SRH with URC-22FPERFORMANCE DATA SHEET 1857SPECIFICATION SHEET 25. KM-1900SRH3 with URC-21FPERFORMANCE DATA SHEET 196526. KM-1900SRH3 with URC-22F SPECIFICATION SHEETPERFORMANCE DATA SHEET SPECIFICATION SHEET 27. KM-2100SWH3PERFORMANCE DATA SHEET 2096SPECIFICATION SHEET 28. KM-2100SRH3 with URC-22FPERFORMANCE DATA SHEET 3210SPECIFICATION SHEET 29. KM-2500SWH3PERFORMANCE DATA SHEET 2408SPECIFICATION SHEET 30. KM-2500SRH3 with URC-23FPERFORMANCE DATA SHEET 3780SPECIFICATION SHEET 31. KMH-2000SWHPERFORMANCE DATA SHEET 182132. KMH-2000SWH3 SPECIFICATION SHEET 33. KMH-2000SRH with URC-22FPERFORMANCE DATA SHEET 194434. KMH-2000SRH3 with URC-22F SPECIFICATION SHEETPERFORMANCE DATA SHEET B. Wiring Diagrams 1. Diagrams without Harvest Pump Timer Relays E and G Control Boardsa KM-1601SWH, KM-1601SRH, KM-1900SH, KMH-2000SH SwitchPressure-High KM-2500SH3, KMH-2000SH3b KM-1601SWH3, KM-1601SRH3, KM-1900SH3, KM-2100SH3 384±22a KM-1301SH Auxiliary Code T-0, U-0 2. Diagrams with Harvest Pump Timer Relays G Control BoardT-0, U-0 Auxiliary Codeb KM-1301SH3 Auxiliary Code T-0, U-0 c KM-1301SH Auxiliary Code U-1 and Later and KM-1601SAH d KM-1301SH3 Auxiliary Code U-1 and Later and KM-1601SAH3 High-Pressure Switch e KM-1400SWH-MControl Transformer Output 10.5V at Water-Cooled Modelf KM-1400SWH3-M High-Pressure SwitchControl Transformer Output 10.5V at