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Hoshizaki
FD-1001MAH(-C), FD-1001MLH(-C), FD-1001MRH(-C), FD-1001MWH(-C) service manual
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I. Specications
A. Icemaker
1. FD-1001MAH (air-cooled)
Awaiting Data
Note: We reserve the right to make changes in specications and design without prior
notice.
Contents
Main
Hoshizaki
Hoshizaki America, Inc.
Page
CONTENTS
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Important Safety Information
WARNING
CAUTION IMPORTANT
WARNING
Page
Note: We reserve the right to make changes in specications and design without prior
2. FD-1001MAH-C (air-cooled)
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6. FD-1001MRH-C (remote air-cooled)
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B. Condenser Unit
b) Dimensions
Unit: in. (mm)
II. General Information A. Construction
1. FD-1001MAH(-C) (air-cooled)
2. FD-1001MWH(-C) (water-cooled)
0
3. FD-1001MRH(-C) (remote air-cooled)
1
4. FD-1001MLH(-C) (low side, parallel rack system)
5. Ice Making Unit
B. Sequence of Operation
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5
2. Sequence Flow Chart
FT exceeded
FD Sequence Flow Chart
2. Infrared Sensor Shutdown & Restart
C. Control Board
7
"F-A" Control Board
"F-A" Control Board Part Number A496-01
1. Control Board Layout
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D. Bin Control
E. Float Switch
Fig. 3
Fig. 1 Fig. 2
III. Technical Information A. Water Circuit and Refrigeration Circuit
1. FD-1001MAH(-C) (air-cooled)
2. FD-1001MWH(-C) (water-cooled)
3. FD-1001MRH(-C) (remote air-cooled)
4. FD-1001MLH(-C) (low side, parallel rack system)
B. Wiring Diagrams
1. FD-1001MAH(-C), FD-1001MWH(-C), FD-1001MRH(-C)
2. FD-1001MLH(-C)
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Note: We reserve the right to make changes in specications and design without prior
2. FD-1001MAH-C (air-cooled)
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Note: We reserve the right to make changes in specications and design without prior
6. FD-1001MRH-C (remote air-cooled)
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IV. Service Diagnosis WARNING
A. Ice Production Check
B. Diagnostic Procedure
WARNING
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C. Control Board Check
Fig. 5
Fig. 4
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Fig. 6
"SERVICE" Button
K7 Connector-open
S1 Dip Switch
D. Bin Control Check
Fig. 7
Fig. 8
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E. Float Switch Check and Cleaning
Fig. 9
Fig. 10
F. Diagnostic Charts
1. No Ice Production
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2. Low Ice Production
3. Other
V. Removal and Replacement of Components WARNING
A. Service for Refrigerant Lines WARNING
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B. Removal and Replacement of Compressor
C. Removal and Replacement of Expansion Valve
Fig. 11
D. Removal and Replacement of Evaporator Assembly Components
Fig. 12
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E. Removal and Replacement of Air-Cooled Condenser
F. Removal and Replacement of Water-Cooled Condenser
G. Removal and Replacement of Water Regulating Valve - Water-Cooled Model
H. Adjustment of Water Regulating Valve - Water-Cooled Model
I. Removal and Replacement of Fan Motor (air-cooled and remote air-cooled models)
Fig. 13
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M. Removal and Replacement of Water Valves
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N. Removal and Replacement of Control Board
VI. Cleaning and Maintenance WARNING
A. Cleaning and Sanitizing Instructions
WARNING
Fig. 14
Fig. 15
Fig. 16
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B. Maintenance
WARNING
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C. Preparing the Icemaker for Long Storage
