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Hoshizaki
DCM-500BWH-OS service manual
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Contents
Main
Hoshizaki
Hoshizaki America, Inc.
Page
CONTENTS
Page
I. Specications A. Icemaker
1. DCM-500BAH
Note: We reserve the right to make changes in specications and design without prior
2. DCM-500BAH-OS
Note: We reserve the right to make changes in specications and design without prior
3. DCM-500BWH
4. DCM-500BWH-OS
Note: We reserve the right to make changes in specications and design without prior
II. General Information A. Construction
Page
B. Ice Making Unit
C. Sequence of Operation
DCM-500BAH(-OS), DCM-500BWH(-OS) Sequence Flow Chart and Component Operation
Shutdown & Restart
1. Startup
3. 12 Hour Drain Cycle
2. Shutdown & Restart
D. Control Board
Control Board
Part Number A159-01
1. Control Board Layout a) DCM-500BAH, DCM-500BWH
Control Board
b) DCM-500BAH-OS, DCM-500BWH-OS
Part Number A649-01
Page
Page
Page
E. Float Switch
1
III. Technical Information A. Water Circuit and Refrigeration Circuit
1. DCM-500BAH(-OS)
2. DCM-500BWH(-OS)
*
WIRE COLOR CODE
B. Wiring Diagrams
1. DCM-500BAH, DCM-500BWH
4
2. DCM-500BAH-OS, DCM-500BWH-OS
*
WIRE COLOR CODE
C. Sequence of Electrical Circuit Ice Making
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Page
Page
Page
Page
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D. Sequence of Electrical Circuit Dispensing
Page
E. Performance Data
1. DCM-500BAH(-OS)
2. DCM-500BWH(-OS)
IV. Service Diagnosis A. Diagnostic Procedure
B. Ice Production Check
C. Diagnostic Charts
1. No Ice Production
Page
Page
2. Low Ice Production
4
3. Other
4. Dispensing
Page
Page
V. Removal and Replacement of Components
A. Service for Refrigerant Lines
Page
B. Removal and Replacement of Compressor
C. Removal and Replacement of Expansion Valve
Fig. 1
D. Removal and Replacement of Evaporator Assembly Components
Fig. 2
Page
Page
Page
Page
E. Removal and Replacement of Self-Contained Air-Cooled Condenser
F. Removal and Replacement of Water-Cooled Condenser
G. Removal and Replacement of Water Regulating Valve - Water-Cooled Model Only
H. Adjustment of Water Regulating Valve - Water-Cooled Model Only
Fig. 4
I. Removal and Replacement of Fan Motor
J. Removal and Replacement of Inlet or Dispensing Water Valve
K. Removal and Replacement of Drain Valve
L. Removal and Replacement of Dispensing System
Fig. 5
VI. Cleaning and Maintenance
A. Cleaning and Sanitizing Instructions
Fig. 6
Page
Page
Fig. 7
Fig. 8
B. Maintenance
C. Preparing the Icemaker for Long Storage