Hoshizaki FM-251AFEN Manuals

Manuals and User Guides for Hoshizaki FM-251AFEN. We have 7 Hoshizaki FM-251AFEN manuals available for free PDF download: Service Manual, Instruction Manual, Installation Manual

Hoshizaki FM-251AFEN Service Manual (99 pages)

Hoshizaki Modular Ice Makers Service manual

Brand: Hoshizaki | Category: Ice Maker | Size: 2 MB

Table of Contents
2
Specifications
5
- Features
  5
  - [A] Low Voltage
    5
  - [B] Overload Protection
    5
  - [C] Overload Error
    5
  - [D] User Reset
    5
  - [E] Error Codes And Records
    5
  - [F] Other Information
    6
  - [G] Change Of Ice Type
    6
- Dimensions/Specifications
  7
  - [A] Fm-251AFE
    7
  - [B] Fm-251AFE
    8
  - [C] Fm-251AWFE
    9
  - [D] Fm-251AWFE
    10
  - [E] Fm-481AGE
    11
  - [F] Fm-481AGE
    12
  - [G] Fm-481AWGE
    13
  - [H] Fm-481AWGE-N
    14
  - [I] With Storage Bin (B-300_F)
    15
- Construction
  16
  - [A] Fm-251AFE/AWFE(-N)
    16
  - [B] Fm-481AGE/AWGE(-N)
    17
Maintenance And Cleaning Instructions
18
- Extruding Head (Upper Bearing), Housing (Lower Bearing)
  18
- Mechanical Seal
  18
- Gear Motor
  19
- Condenser
  19
- Air Filter (Air-Cooled Model Only)
  19
- Water Valve
  20
- Cleaning Of Water System
  21
- Periodical Cleaning
  23
Technical Information
24
- Water Circuit And Refrigerant Circuit
  24
  - [A] Fm-251AFE(-N)
    24
  - [B] Fm-251AWFE(-N)
    25
  - [C] Fm-481AGE(-N)
    26
  - [D] Fm-481AWGE(-N)
    27
- Wiring Diagram
  28
  - [A] Wiring Diagram
    28
  - [B] Control Box Layout
    31
- Icemaking Mechanism
  34
  - [A] Evaporator (Casing)
    34
  - [B] Auger
    34
  - [C] Extruding Head (Bearing)
    35
  - [D] Housing
    35
  - [E] Mechanical Seal
    35
  - [F] Coupling (Spline Joint)
    35
  - [G] Gear Motor
    35
  - [H] Belt Heater
    35
  - [I] Removable Flange
    35
  - [J] Sealing Bolt
    36
- Water Circuit
  36
  - [A] Reservoir (Water Tank)
    36
  - [B] Float Switch
    36
  - [C] Control Water Valve
    36
  - [D] Flush Water Valve
    37
  - [E] Water Regulator
    37
  - [F] Draining Icemaker In Subfreezing Conditions
    37
- Refrigeration Circuit
  38
  - [A] Applicable Parts
    38
  - [B] Service Instructions
    38
  - [C] Refrigerant
    39
  - [D] Compressor
    39
  - [E] Evaporator Casing
    39
  - [F] Condenser
    39
  - [G] Condenser Cooling Fan Motor
    40
  - [H] Water Regulator
    41
  - [I] Drier
    41
  - [J] Thermostatic Expansion Valve
    41
- Electric Circuit
  42
  - [A] Basic Operation
    42
  - [B] Timing Chart
    42
  - [C] Sequence
    44
  - [D] Operation Board
    62
  - [E] Controller Board
    62
  - [F] Surge Absorber
    63
  - [G] Capacitor - XY FILTER
    63
  - [H] Bin Control Switch
    63
  - [I] Chute Switch
    64
  - [J] Deicing Heater (Belt Heater)
    64
- Operation Board
  65
  - [A] User Operation
    65
  - [B] Service Operation
    65
- Protectors
  69
  - [A] Indication
    69
  - [B] Protectors
    69
  - Interlock Errors
    72
- Error Codes
  72
- Performance Data
  74
  - [A] Fm-251AFE
    74
  - [B] Fm-251AFE-N
    75
  - [C] Fm-251AWFE
    76
  - [D] Fm-251AWFE-N
    77
  - [E] Fm-481AGE
    78
  - [F] Fm-481AGE-N
    79
  - [G] Fm-481AWGE
    80
  - [H] Fm-481AWGE-N
    81
Service Diagnosis
82
- No Ice Production
  82
- Low Ice Production
  84
- Others
  84
Removal And Replacement Of Components
86
- Service For Refrigerant Lines
  86
- Brazing
  88
- Compressor
  89
- Drier
  90
- Expansion Valve
  91
- Water Regulating Valve - Water-Cooled Model Only
  92
- Evaporator Assembly
  93
- Control Water Valve
  97
- Flush Water Valve
  98
- Controller Board
  99
  - [A] Modification
    99
  - [B] Replacement
    99