Hoshizaki HR24A User Manuals

Table of Contents

• Important Safety Information

  5
• I. Specifications

  7
  • A. Electrical and Refrigerant Data

    7
  • B. Storage Capacity and Dimensions

    7
    • 1. Storage Capacity

      7
    • 2. Dimensions

      8
• II. General Information

  9
  • A. Construction

    9
  • B. Sequence of Operation

    10
    • 1. Sequence Cycles and Shutdown

      10
    • 2. Sequence Flow Chart

      12
  • C. Control Board and Display Module

    13
    • 1. Control Board Layout

      14
    • 2. Display Module Layout

      14
  • D. Cabinet Temperature

    15
  • E. Display Module Icons

    16
  • F. Control Panel Lockout

    16
  • G. Alarm Safeties

    17
  • H. Service Menu

    18
• III. Technical Data

  24
  • A. Refrigeration Circuit

    24
  • B. Wiring Diagram

    25
• IV. Service Diagnosis

  26
  • A. Diagnostic Procedure

    26
  • B. Control Board Check

    29
  • C. Thermistor Check

    30
  • D. Diagnostic Chart

    31
• V. Replacement of Components

  33
  • A. Service for Refrigerant Lines

    33
    • 1. Refrigerant Recovery

      33
    • 2. Brazing

      34
    • 3. Evacuation and Recharge (R-134a)

      34
  • B. Important Notes for Component Replacement

    35
  • C. Door Reversal

    36
• VI. Cleaning and Maintenance Instructions

  37
  • A. Cleaning

    37
    • 1. Exterior

      37
    • 2. Cabinet Interior

      37
    • 3. Door Gasket

      37
    • 4. Shelves

      37
  • B. Maintenance

    37
• VII. Preparing the Appliance for Periods of Non-Use

  38
• VIII. Disposal

  39