Hoshizaki DCM-750BAH-OS, DCM-750BWH-OS service manual Portion Dispense

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2. Portion Dispense

Agitating motor energizes for .6 seconds for every 12 seconds of accumulative dispense time. A variable resistor which controls the amount of ice dispensed is located on

the control board. The figures on the label indicate dispensing time (sec.). See "II. D.3.a) Portion Control." When shipped, the portion control is set at the minimum dispensing time (0.6 sec.).

DCM-750BAH(-OS), DCM-750BWH(-OS) . . . . . . . . . . . . Approximately 0.72 oz. Amount of ice dispensed per second.

DCM-750BAH(-OS), DCM-750BWH(-OS) . . . . . . . . . . . . Approximately 1.2 oz.

DCM-750BAH,

DCM-750BWH

DCM-750BAH-OS,

DCM-750BWH-OS

WIRE COLOR CODE

BK

BLACK

BR

BROWN

BU

BLUE

DBU

DARK BLUE

GY

GRAY

LBU

LIGHT BLUE

O

ORANGE

 

W/BK

WHITE/BLACK

P

PINK

 

W/BR

WHITE/BROWN

R

RED

 

W/BU

WHITE/BLUE

V

VIOLET

 

W/O

WHITE/ORANGE

W

WHITE

 

W/R

WHITE/RED

YYELLOW

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Contents DCM-750BAH DCM-750BAH-OS DCM-750BWH DCM-750BWH-OS Hoshizaki AMERICA, INC Contents Page DCM-750BAH Specifications IcemakerWater TEMP. F DCM-750BAH-OSPotable Water WATER-COOLED Condenser DCM-750BWHPotable Water Water Cooled Condenser DCM-750BWH-OSII. General Information Construction DCM-750BWH-OS Ice Making Unit Sequence of Operation Startup Control Board Control Board Control Board Layout DCM-750BAH, DCM-750BWHDCM-750BAH-OS, DCM-750BWH-OS LED Lights FeaturesControl Board Check Procedure Controls and Adjustments Portion ControlPower Supply Ice Making ComponentsDispensing Components DCM-750BAH, DCM-750BWH Float Switch Inlet Water Valve DCM-750BWH-OS Wire Color Code Wiring DiagramsDCM-750BAH-OS, DCM-750BWH-OS DCM-750BWH-OS Sequence of Electrical Circuit Ice MakingIce Purge Cycle Orange WHITE/BLACK Pink WHITE/BROWN RED WHITE/BLUE Violet Hour Drain Cycle / Drain Switch Shutdown Low Water Safety High Pressure Switch Continuous Dispense Sequence of Electrical Circuit DispensingPortion Dispense 192 Performance DataApproximate 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 5a. Ice Dispensing Continuous Mode 5b. Ice Dispensing Portion Mode5c. Water Dispensing Service for Refrigerant Lines Removal and Replacement of ComponentsRefrigerant Recovery BrazingEvacuation 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 ValveRemoval and Replacement of Dispensing System Dispensing Auger and AgitatorDispensing or Agitating Motor Page Cleaning and Sanitizing Instructions VI. Cleaning and MaintenanceWater System Cleaning SolutionDispensing Components Sanitizing SolutionBin Control Bracket Snap Pin Frequency Area Task MaintenancePreparing the Icemaker for Long Storage