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Lists model names, product codes, and voltage/frequency specifications.
Details dimensions, materials, insulation, and components.
Covers temp controller, sensor, display, and alarm conditions.
Lists the functions of keys and knobs on the control panel.
Outlines cooling performance, power consumption, noise, and pressure.
Provides detailed graphical representation of unit dimensions with measurements.
Lists specifications for compressors, condensers, evaporators, and refrigerants.
Illustrates the refrigeration circuits for A and B systems, showing component flow.
Shows a diagram of the Main PCB with labeled connectors.
Details the specific connections and usage for each connector on the Main PCB.
Provides a comprehensive wiring diagram for the unit's electrical system.
Presents the detailed circuit diagram specifically for the Main PCB.
Explains the layout and information shown on the LCD panel's basic screen.
Describes how to navigate and use the menu button to access settings.
Details setting chamber temperature and configuring high/low temperature alarms.
Explains how to set alarm delay time and ring back duration.
Describes how to enable/disable the key lock and release it.
Describes how different alarms are indicated and behave.
Covers viewing log data graphically and transmitting it to a PC.
Covers resetting parameters to factory defaults and configuring interface options.
Procedure for setting and managing the key lock password.
Steps to enter service mode and display system status.
Guides on performing calibration for temperature and other parameters.
Describes factory test runs and how to delete log data.
Information on checking ROM versions and rebooting the system.
Instructions on how to display the status of various hardware components.
Lists and explains various error codes related to sensors and circuits.
Details status codes for ambient temp, power, overload, and alarm types.
Covers settable ranges and procedures for chamber temperature control.
Provides detailed explanations for error codes and alarm conditions.
Explains remote alarm contact outputs and linking with buzzer operation.
Details settings for alarm buzzer suspension time and delay.
Describes compressor startup, shutdown, delay times, and protection mechanisms.
Explains the alternate and overlapping run modes for compressors in ECO mode.
Details the diagnosis process for cooling circuits in normal operation mode.
Outlines diagnosis patterns for cooling circuits in ECO mode.
Explains different cases of fan motor lock detection and provides a flowchart.
Instructions for cleaning the freezer cabinet and defrosting the interior.
Procedures for cleaning air intake ports and replacing battery/fan motor.
Lists various parameters and their default and settable ranges.
Illustrates the location of major external and internal components of the freezer.
Steps for safely collecting and charging refrigerant in the cooling circuit.
Diagnoses and remedies for abnormal cooling circuits and fan motors.
Troubleshooting steps for sensor errors and condenser temperature abnormalities.
A flowchart guiding through checks for high temperature alarm conditions.
A flowchart guiding through checks for low temperature alarm conditions.
A flowchart guiding through checks for power failure alarm scenarios.
A flowchart guiding through checks for door alarm conditions.
Presents temperature data under pull-down and pull-up conditions.
Shows pressure and current input data during pull-down tests.
Illustrates the 17 measurement points within the chamber for uniformity testing.
Displays temperature uniformity graphs and tables for Normal mode.
Displays temperature uniformity graphs and tables for Normal mode.
Displays temperature uniformity graphs and tables for ECO mode.
Displays temperature uniformity graphs and tables for ECO mode.
Provides data on power consumption in kWh/day for Normal and ECO modes.
Shows temperature performance during a pull-down test with a sample load.
Illustrates temperature stability after reaching setpoints of -80°C and -70°C.
Presents temperature data during a pull-up test after a pull-down phase.
Explains how to use the manual and Sanyo's warranty limitations.
Explains warning symbols and general safety precautions for using the unit.
Covers precautions related to electrical hazards and specific environmental concerns.
Details safe practices for unit installation, grounding, power cord handling, and storage.
Emphasizes using dedicated power sources and checking settings after power interruptions.
Specifies acceptable indoor use, altitude, temperature, humidity, and voltage fluctuations.
Illustrates the location of major external and internal components of the freezer.
Explains the LCD panel, alarm lamp, input keys, and menu/shift keys.
Describes the functions of the alarm buzzer key and LCD contrast knob.
Details the remote alarm terminal's contact capacity and output states.
Instructions for cleaning the air intake port and addressing potential door opening issues.
Specifies ideal locations for installation, considering sunlight, ventilation, and heat sources.
Emphasizes need for sturdy floor, avoiding humidity/flammable gases.
Steps for removing packaging, cleaning, and adjusting leveling feet.
Instructions on how to fix the unit to the wall using provided fixtures.
Guides through initial power-on, temperature setting, and alarm testing.
Explains unit behavior and battery charging after power interruptions.
Describes setting standby conditions and using interface boards for PC data logging.
Details procedures for setting date, time, and various alarm parameters.
Step-by-step guide to adjust the chamber temperature setting.
Instructions for configuring high and low temperature alarm setpoints.
Procedure for setting the delay time for alarm notifications.
How to configure the duration before an alarm buzzer re-activates.
Explains how to enable/disable the key lock feature to prevent setting changes.
Step-by-step guide to unlock the control panel using a password.
How to view and transmit one day of logged temperature data.
Covers resetting parameters to factory defaults and configuring interface options.
Procedure to configure the unit's date, time, and data logging interval.
Instructions for using PC hyper-terminal to receive log data.
Details how to adjust the interval for recording temperature data.
Procedure to configure the time delay before a door alarm is triggered.
How to set delay times for compressor operation after power failure.
Instructions for setting or changing the key lock password.
Explains how the buzzer operates for different alarms like temperature, door, and filter.
Details status codes for ambient temp, power, and overload, with corresponding remedies.
Describes indications and safety operations for temp, power failure, and door alarms.
Details functions for key lock, auto-return, battery, and fan motor checks.
Instructions for cleaning the freezer cabinet and defrosting the interior.
Procedures for cleaning the air intake port.
Step-by-step guide for safely removing and replacing the unit's battery.
Addresses issues like the unit not starting and problems with the alarm system.
Solutions for poor cooling, blocked filters, and dew condensation on the exterior.
Information on battery recycling and proper disposal procedures.
Step-by-step instructions for installing the optional temperature recorder.
Explains the operation of the optional back-up system and its temperature settings.
Instructions for installing the MTR-480 interface board for PC data transmission.
Guide for installing the MTR-L03 LAN interface board for network connectivity.
Comprehensive list of technical specifications for the freezer models.
Details cooling performance, temperature ranges, power sources, and consumption.
Specifies noise levels and maximum pressure ratings for the freezer.
A checklist for service engineers regarding freezer contents and contamination before maintenance.
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