Hoshizaki KMS-1401MLJ, Condensing Unit Models SRK-14J/3 Freeze-Up Possible Cause, Freeze Cycle

Page 42

Freeze-Up - Possible Cause

6. Float Switch

a) Dirty, sticking.

See "IV.D. Float Switch Check

b) Defective.

and Cleaning"

 

7. Refrigerant Charge

a) Low.

 

 

8. Control Board

a) Harvest timer (S4 dip switch 1 & 2) set too short.

See "II.C.3. Controls and

 

b) Harvest pump timer (S4 dip switch 7) not in factory default position.

Adjustments" and "IV.B. Control

 

Board Check"

c) Defective.

 

 

9. Bin Control

a) Actuator does not move freely.

See "IV.C. Bin Control Check and

 

Cleaning"

 

 

 

10. Thermistor

a) Loose, disconnected, or defective.

See "IV.E. Thermistor Check"

 

11. Thermostatic Expansion Valve

a) Defective.

 

 

12. Hot Gas Valves (KMS & SRK)

a) Closed or restricted.

 

 

13. Liquid Line Valves (KMS & SRK)

a) Open.

 

 

 

Freeze Cycle

1. Evaporator

a) Scaled up.

 

 

 

b) Damaged.

 

 

2. Spray Tubes and/or Spray

a) Dirty.

Guides

 

b) Out of position.

 

3. Refrigerant Charge

a) Low.

 

 

4. Control Board

a) Freeze timer (S4 dip switch 9 & 10) set incorrectly.

See "IV.B. Control Board Check"

 

b) Defective.

 

 

5. Fill/Refill or Harvest Water Valve

a) Leaking by.

6. Float Switch

a) Float does not move freely.

See "IV.D. Float Switch Check

 

b) Defective.

and Cleaning"

 

 

 

7. Pump Motor

a) RPM too slow.

 

 

 

b) Impeller damaged.

 

 

8. Thermostatic Expansion Valve

a) Bulb loose or defective.

9. Headmaster (C.P.R.)

a) Defective.

 

 

10. Liquid Line Valves (KMS & SRK)

a) Restricted.

 

 

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Contents Modular Crescent Cuber Serenity Series Model Hoshizaki AMERICA, INC Contents Page Important Safety Information For KMS For SRKSpecifications Icemaker KMS-1401MLJ with SRK-14JData Pending KMS-1401MLJ with SRK-14J3Condensing Unit SRK-14JSRK-14J3 II. General Information Construction IcemakerCondensing Unit Minute Fill Cycle Sequence of OperationSequence Cycles and Shutdown Initial Harvest CycleHarvest Cycle S4 Dip Switch Setting Pump-Out 1st Pump-Out FrequencyPump-Out Cycle ShutdownFlow SequenceControl Board Control Board Layout Control BoardSequence Step LED Lights and Audible Alarm SafetiesNo. of Beeps Type of Alarm Every 3 sec Energized Time LEDs are On Components Min Max AvgS4 Dip Switch Controls and AdjustmentsDefault Dip Switch Settings Harvest Timer S4 dip switch 1Pump-Out Timer S4 dip switch 3 Pump-Out Frequency Control S4 dip switch 5S4 Dip Switch Setting Time seconds Inlet Water Valve Freeze Timer S4 dip switch 9 Harvest Pump Timer S4 dip switchFactory Use S4 dip switch S4 Dip Switch Setting Pump Motor Time secondsS5 Dip Switch Setting No. of Refills No.4 Float Switch Selector S5 dip switchRefill Counter S5 dip switch 2 through RefillCirc Control and Service SwitchesDrain WashIII Wiring Diagrams Transformer 10.5V atControl Output Control Transformer Output 10.5V atSRK Condensing Unit Wire Harness ConnectionsWire Harness Connections KMS Icemaker Unit factory connectedPerformance Data Production PER 24 HRData Pending IV. Service Diagnosis Diagnostic ProcedurePage Page Page Control Board Check Bin Control Check and Cleaning Bin Control CheckBin Control Cleaning Float Switch Check and Cleaning Float Switch CheckFloat Switch Cleaning Thermistor Check Diagnostic Charts No Ice ProductionNo Ice Production Possible Cause Freeze-Up Freeze-Up Possible Cause Harvest CycleFreeze-Up Possible Cause Freeze CycleLow Ice Production Low Ice Production Possible Cause Long Harvest CycleLong Freeze Cycle Replacement of Components Service for Refrigerant LinesRefrigerant Recovery Brazing Evacuation and Recharge R-404APage Important Notes for Component Replacement ComponentVI. Cleaning and Maintenance Cleaning and Sanitizing InstructionsCleaning Procedure Sanitizing Procedure Following Cleaning Procedure Storage Bin Scoop MaintenanceStainless Steel Exterior Dispenser Unit/Storage BinPreparing the Icemaker for Periods of Non-Use Page VII. Disposal

Condensing Unit Models SRK-14J/3, KMS-1401MLJ specifications

The Hoshizaki KMS-1401MLJ and the Condensing Unit Models SRK-14J/3 are critical components in the commercial refrigeration sector, designed to provide efficient and reliable cooling for various applications. These models stand out for their exceptional performance, advanced technologies, and robust characteristics that meet the demanding needs of food service, hospitality, and retail establishments.

One of the primary features of the Hoshizaki KMS-1401MLJ is its high-capacity cooling capability. With a refrigerating capacity suitable for larger applications, this unit is designed to handle significant load demands while maintaining energy efficiency. This is particularly advantageous in environments where consistent temperature control is vital for preserving perishable goods.

The SRK-14J/3 models further enhance the functionality of this system by incorporating advanced inverter technology. This innovation allows for variable speed operation, adjusting the compressor's output based on the actual cooling demand. As a result, users can experience reduced energy costs and lower environmental impact. This efficiency not only decreases the overall operating expenses but also extends the lifespan of the unit due to reduced wear and tear on the compressor.

The Hoshizaki units are also renowned for their user-friendly interface, which features intuitive controls for easy operation and monitoring. This ensures that users can quickly adjust settings to accommodate specific storage needs, improving overall convenience and efficiency in the workplace.

Additionally, both the KMS-1401MLJ and the SRK-14J/3 models are designed with durability in mind. Constructed from high-quality materials, they are built to withstand the rigorous demands of a commercial kitchen or storage facility. Features such as corrosion-resistant coatings and robust insulation enhance the longevity of these units, making them a wise investment for business owners.

In terms of maintenance, Hoshizaki has incorporated several design elements to facilitate ease of service. Access points for routine checks and cleaning have been strategically placed, enabling technicians to perform maintenance tasks without disrupting the operation of the units.

In conclusion, the Hoshizaki KMS-1401MLJ and Condensing Unit Models SRK-14J/3 offer a perfect blend of efficiency, durability, and technological advancement. Their ability to provide reliable cooling solutions makes them integral to any establishment focused on quality and performance in food and beverage storage. For businesses seeking to enhance operational efficiency while ensuring the preservation of their products, these models represent a leading choice in the commercial refrigeration market.