Hoshizaki DCM 300BAH(-OS) DCM-PB Push Button Model Control Board, Control Board Layout

Page 13

1.Control Board Layout

a)DCM-300BAH

"DCM-PB" Push Button Model Control Board

• "FLUSH" (drain) Switch

(Do not adjust)

• K3 Connector

#3 24VAC Output to

Control Switch,

Inlet Water Valve,

Water Control Relay,

and Drain Valve

• K2 Connector

#1, 2 Gear Motor

Protect Relay Circuit

(5VDC)

#3 Power Supply Input

(115VAC)

#4 "AM" LED: Agitating Motor

(115VAC)

#5 Power Supply Input

(115VAC)

#6 "DM" LED: Ice Dispense

Solenoid and Motor

(115VAC)

#7 Control Transformer

(24VAC)

#8 "FLUSH" (drain) LED:

• Ice Dispense Time Control • Counter Reset Button (not used in this application)

• Relay LEDs (red) (indicate which relays and connector pins are energized)

• "FLUSH" (drain) LED

(X5 Relay)

K2 Connector Pin #8

12-hr. Drain Timer

K3 Connector Pin #3

Control Switch

"DRAIN" Position

• "DM" LED (X4 Relay)

K2 Connector Pin #6

• "AM" LED (X3 Relay)

K2 Connector Pin #4

• "COMP" LED (X2 Relay)

X2 Relay Terminals (115VAC)

• "GM" LED (X1 Relay)

K1 Connector Pin "NO"

Drain Valve (After 12‑hr.

timer terminates) (24VAC)

• K1 Connector

"COM" Power Supply Input

(115VAC)

"NO" "GM" LED: Gear Motor

and Gear Motor

Protect Relay

•"POWER" LED (green)

(lights when 10.5VAC is supplied to K4 connector pins #1 & #2)

Control Board

Part Number 2A1592-01

•K4 Connector

#1, 2 Control Transformer (10.5VAC)

#3, 4 Bin Control, Control Switch "ICE", and Water Control Relay Circuit (5VDC)

#5 Ice Dispense Continuous Operation (5VDC)

#6, 8 Ice Dispense Switch and Dispense Mode Switch (5VDC)

#7 Ice Dispense Portion Operation (5VDC)

#9, 10, High‑Pressure Switch (5VDC)

13

Page 12 Page 14
Image 13
Page 12 Page 14
Contents DCM-300BAH-OS Hoshizaki AMERICA, INC Contents Page Important Safety Information Page DCM-300BAH-OS Specifications IcemakerIcemaker II. General Information ConstructionIcemaking Unit Sequence Cycles and Shutdown Sequence of OperationCycle Steps Sequence Flow ChartShutdown & Restart 12-Hr. Drain CycleControl Board Control Board Layout DCM-PB Push Button Model Control BoardControl Board DCM-OS Opti-Serve Model Control Board K5 ConnectorPower Switch Power Switch, Control Switch, and Dispense Mode SwitchLED Lights and Components Dispense Mode Switch Control SwitchPage Wiring Diagrams DCM-300BAH-OS Performance Data Diagnostic Procedure IV. Service DiagnosisIce Production Check Page Page Page Page 5VDC Output Checks Control Board CheckPage Opti-Serve Model ICE and AM LEDs are on K5 Pin #7 R wire Page Bin Control Check Float Switch Check Float Switch Check and CleaningFloat Switch Cleaning No Ice Production Diagnostic ChartsStartup Fill CycleShutdown Ice Purge CycleIce Dispense Push Button Ice/Water DispenseIce Dispense Opti-Serve Water Dispense Push Button3a. Ice Dispense Continuous Opti-Serve OS Sensors3b. Ice Dispense Portion 3c. Water DispenseService for Refrigerant Lines Removal and Replacement of ComponentsBrazing Refrigerant RecoveryEvacuation and Recharge R-404A Important Notes for Component Replacement Evaporator Assembly 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 Dispense or Agitating Motor Dispense Auger and AgitatorVI. Cleaning and Maintenance Water System Cleaning and Sanitizing InstructionsSanitizing Solution Dispense Components Cleaning and Sanitizing ProcedureWater Dispense Nozzle Ice Dispense Spout Spout Cover Maintenance Schedule MaintenanceFrequency Area Task Preparing the Icemaker for Periods of Non-Use VII. Disposal

DCM 300BAH(-OS) specifications

The Hoshizaki DCM 300BAH(-OS) is a high-performance ice and water dispenser designed to meet the demands of various commercial environments. Known for its reliability and efficiency, this machine is widely used in restaurants, hotels, and catering services where a continuous supply of ice is essential.

One of the standout features of the DCM 300BAH(-OS) is its ability to produce crescent-shaped ice, which is favored in many settings for its hardness and slow-melting properties. This type of ice helps maintain the temperature of beverages longer without diluting them too quickly, making it ideal for mixed drinks and soft drinks alike.

Technology-wise, the Hoshizaki DCM 300BAH(-OS) integrates advanced refrigeration components that enhance energy efficiency. The machine is designed with a patented cooling system that reduces energy consumption while maintaining optimal ice production. Moreover, it is equipped with a highly efficient compressor that ensures quick recovery times even during peak usage.

One characteristic that sets this model apart is its space-saving design. With a footprint that allows for easy placement in tight quarters, it is particularly suited for establishments with limited counter space. The sleek and contemporary exterior also means it complements a variety of decor styles, making it a versatile addition to any commercial kitchen or bar.

The unit boasts a user-friendly interface, with easy-to-read indicators for ice and water levels, allowing staff to manage operations seamlessly. Additionally, the DCM 300BAH(-OS) features a self-cleaning cycle, which automates the sanitation process to ensure the utmost hygiene standards are maintained. This feature not only saves time but also enhances the longevity of the unit by reducing wear and tear.

Its durable construction is another strong point. Built from high-quality stainless steel, the DCM 300BAH(-OS) is resistant to corrosion and wear, ensuring it can withstand the rigors of daily use. Furthermore, Hoshizaki products are renowned for their reliability, and this model upholds that reputation, providing consistent performance with minimal downtime.

In summary, the Hoshizaki DCM 300BAH(-OS) stands out for its efficient ice production, innovative technology, space-saving design, user-friendly features, and robust durability, making it an ideal choice for any business that requires a reliable ice and water dispensing solution.
Top Page Image Contents