Hoshizaki DCM-500BWH, DCM-500BAH-OS Adjustment of Water Regulating Valve Water-Cooled Model Only

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20)Move the power switch to the "ON" position, then replace the panels in their correct positions.

21)Turn on the power supply, then move the control switch to the "ICE" position to start the automatic icemaking process.

H.Adjustment of Water Regulating Valve - Water-Cooled Model Only

The water regulating valve (also called "water regulator") is factory-adjusted. No adjustment is required under normal use. Adjust the water regulator, if necessary, using the following procedures.

1)Prepare a thermometer to check the condenser drain temperature. Attach a pressure gauge to the high-side line of the system.

2)Five minutes after a freeze cycle starts, confirm that the thermometer reads 104°F to 115°F (40°C to 46°C). If it does not, rotate the adjustment screw by using a flat blade screwdriver until the temperature

is in the proper range. See Fig. 4. Next, check that the reference pressure is in the range indicated in the Head Pressure table in the Performance Data section. If it is not in the proper range, verify the refrigerant charge.

Top View

Fig. 4

Adjustment Screw

CW – Higher CCW – Lower

3)Check that the condenser drain temperature is stable.

I.Removal and Replacement of Fan Motor

1)Move the control switch to the "OFF" position, then turn off the power supply. Remove the front and top panels, then move the power switch to the "OFF" position.

2)Remove the apron panel.

3)Disconnect the wire connectors from the fan motor leads.

4)Remove the fan motor bracket.

5)Remove the fan blade and install it onto the new fan motor.

6)Install the new fan motor onto the fan motor bracket.

7)Replace the fan motor bracket in its correct position and reconnect the wire connectors.

8)Move the power switch to the "ON" position, then replace the panels in their correct positions.

9)Turn on the power supply, then move the control switch to the "ICE" position to start the automatic icemaking process.

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Contents DCM-500BAH DCM-500BAH-OS DCM-500BWH DCM-500BWH-OS Hoshizaki AMERICA, INC Contents Page DCM-500BAH Specifications IcemakerWater TEMP. F DCM-500BAH-OSWater TEMP. F DCM-500BWHPotable Water Water Cooled Condenser DCM-500BWH-OSII. General Information Construction Spout a Expansion Valve Spout B Evaporator Assembly DCM-500BAH-OS, DCM-500BWH-OS Ice Making UnitSequence of Operation Startup Control Board Control Board Control Board Layout DCM-500BAH, DCM-500BWHPart Number 2A2649-01 LED Lights FeaturesIce Making Components Controls and Adjustments Portion ControlControl Board Check Procedure Power SupplyDispensing Components DCM-500BAH, DCM-500BWH Float Switch DCM-500BAH-OS Inlet Water Valve Water Supply Wire Color Code Wiring DiagramsDCM-500BAH-OS, DCM-500BWH-OS DCM-500BWH-OS Sequence of Electrical Circuit Ice MakingDCM-500BWH-OS Ice Purge CycleFreeze Cycle Hour Drain Cycle / Drain Switch Shutdown Low Water Safety High Pressure Switch Continuous Dispense Sequence of Electrical Circuit DispensingPortion Dispense ICE Production Performance DataTotal IV. Service Diagnosis Diagnostic Procedure Ice Production Check No Ice Production Diagnostic ChartsProblem Possible Cause Remedy Problem Possible Cause Remedy Low Ice Production Other Dispensing Opti Serve OS Sensors 5c. Water Dispensing 5a. Ice Dispensing Continuous Mode5b. Ice Dispensing Portion Mode Brazing Removal and Replacement of ComponentsService for Refrigerant Lines Refrigerant RecoveryEvacuation and Recharge R-404A Removal and Replacement of Compressor Removal and Replacement of Expansion Valve Removal and Replacement of Evaporator Assembly Components Upper Bearing Wear Check Removal and Replacement of Extruding HeadRemoval and Replacement of Evaporator Removal and Replacement of AugerPage 5b. Lower Housing Removal and Replacement of Gear Motor Page Removal and Replacement of Water-Cooled Condenser Page Removal and Replacement of Fan Motor Adjustment of Water Regulating Valve Water-Cooled Model OnlyRemoval and Replacement of Drain Valve Removal and Replacement of Inlet or Dispensing Water ValveDispensing or Agitating Motor Removal and Replacement of Dispensing SystemDispensing Auger and Agitator Page Cleaning and Sanitizing Instructions VI. Cleaning and MaintenanceWater System Cleaning ProcedureDispensing Components Sanitizing SolutionBin Control Bracket Snap Pin Frequency Area Task MaintenancePreparing the Icemaker for Long Storage
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DCM-500BWH, DCM-500BAH, DCM-500BWH-OS, DCM-500BAH-OS specifications

The Hoshizaki DCM-500BWH-OS, DCM-500BWH, DCM-500BAH, and DCM-500BAH-OS are advanced ice makers designed to meet the needs of busy commercial environments. Hoshizaki is a renowned manufacturer known for producing high-quality refrigeration and foodservice equipment, and their DCM series of ice makers exemplifies this commitment to excellence.

One of the main features of the DCM-500 series is its ability to produce a significant amount of ice, ideally suited for restaurants, bars, and hotels. With a production capacity of up to 500 pounds of nugget ice per day, these units provide an efficient solution for establishments that require a steady supply of ice.

The nugget ice produced by the DCM-500 series is not only soft and chewable but also retains the cold temperature longer, making it perfect for beverages. This appealing characteristic of nugget ice caters to growing customer preferences for premium ice options.

These models also incorporate advanced ice-making technology, ensuring consistent quality. The DCM-500BWH-OS and DCM-500BAH-OS variants feature a self-contained design that makes installation simple and efficient, providing enhanced portability that makes them versatile for different locations within a commercial space.

The DCM-500BWH and DCM-500BAH models are equipped with features like a built-in ice bin that allows for storage convenience. The ice bins have a substantial holding capacity, reducing the frequency of refills and improving overall operation efficiency.

Additionally, the DCM-500 series is designed with energy efficiency in mind. Integrated with modern refrigeration systems, these ice makers comply with energy-saving standards, helping to reduce operational costs. User-friendly controls allow for easy adjustment and monitoring, ensuring that operators can manage their ice production without hassle.

Moreover, the robust construction materials used in these models increase durability, making them suitable for high-demand environments. Features such as easy-to-clean surfaces and self-diagnostic systems further optimize maintenance, ensuring prolonged performance without significant downtime.

Overall, the Hoshizaki DCM-500BWH-OS, DCM-500BWH, DCM-500BAH, and DCM-500BAH-OS ice makers are excellent choices for businesses seeking reliable and high-capacity ice production. Their advanced features, energy efficiency, and user-friendly operation make them a valuable addition to any commercial kitchen or bar setup.
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