Panasonic MDF-U4186S Series User Manual

MDF-U4186S Series
Please read these instructions carefully before using this product, and save this operating instructions
for future use.
See page 33 for all Model numbers.
MDF-U4186S
Operating Instructions
Ultra-Low Temperature Freezer

Panasonic MDF-U4186S Series Specifications

General

Power Supply	220-240V, 50/60 Hz
Controller	Microprocessor-based
Number of Shelves	4
Alarm	High temperature, low temperature, power failure, door open
Display	Digital LED
Type	Upright Freezer

Summary

INTRODUCTION

PRECAUTIONS FOR SAFE OPERATION

General Safety Warnings

Essential safety guidelines and warnings for operating the ultra-low temperature freezer.

ENVIRONMENTAL CONDITIONS

Operating Environment Requirements

Specifies the required indoor conditions, altitude, temperature, humidity, and power supply for safe operation.

FREEZER COMPONENTS

External and Door Components

Details the outer door, inner doors, magnetic gasket, key lock, and mobility features like casters and leveling feet.

Functional and Maintenance Parts

Describes internal access ports, the condenser filter, and external connection terminals for remote alarms.

Control Panel and Operation

Explains the function of control panel keys, indicators, and the digital temperature display for unit operation.

INSTALLATION SITE

Site Selection Criteria

Guidelines for choosing an appropriate location, considering sunlight, ventilation, heat sources, and floor stability.

INSTALLATION

Installation Procedures

Step-by-step guide for removing packaging, adjusting leveling feet, fixing the unit, and grounding.

ATTENTION

Pre-Operation Checks and Warnings

Important checks regarding the circuit breaker and crucial warnings before operating the unit.

START-UP OF UNIT

Initial Unit Start-up Process

Procedure for connecting power, checking switches, silencing alarms, and setting temperature.

CHAMBER TEMPERATURE SETTING

Setting the Chamber Temperature

Detailed steps on how to adjust and set the desired chamber temperature using the control panel.

ALARM TEMPERATURE SETTING

Configuring High Temperature Alarm

Instructions for setting the high temperature alarm threshold, either 10°C or 15°C above the set temperature.

SETTING OF ALARM RESUME TIME

Adjusting Alarm Suspension Time

Procedure to set the duration the alarm buzzer remains silent after an alarm condition.

REMOTE ALARM TERMINAL

Remote Alarm Output Configuration

Details the remote alarm terminal, its contact capacity, and output types (normal open/close).

ALARMS & SAFETY FUNCTIONS

Overview of Alarm and Safety Functions

Lists the various alarms (high temp, power failure, filter, door) and their indications.

Sensor and System Malfunction Alerts

Explains error codes and indications for sensor failures, condenser issues, battery, and fan motor.

ROUTINE MAINTENANCE

Cleaning of Cabinet

Guidance on monthly cleaning of the freezer's exterior and interior surfaces.

Defrosting of Inside Wall

Procedure for normal and thorough defrosting of the freezer's interior walls.

Cleaning of Condenser Filter

Instructions on how to clean the condenser filter to maintain cooling performance and prevent compressor issues.

TROUBLESHOOTING

Troubleshooting Common Issues

Lists common malfunctions like poor cooling or alarm issues with suggested solutions.

DISPOSAL OF UNIT

Safe Storage and Unit Disposal

Safety precautions for unused units and guidance on proper disposal by qualified personnel.

Battery Recycling

Information on recycling the unit's rechargeable nickel-metal-hydride battery.

WEEE Directive and Environmental Disposal

Details on disposing of electrical and electronic equipment according to WEEE directive in the EU.

DISPOSAL OF BATTERY

Nickel-Metal-Hydride Battery Handling

Instructions for safely removing, handling, and disposing of the unit's rechargeable battery.

TEMPERATURE RECORDER (OPTION)

Installing and Operating the Temperature Recorder

Steps for installing the optional temperature recorder, including paper and pen setup.

Recorder Settings and Maintenance Notes

Details on setting backup temperature and important notes regarding recorder cell and felt pen.

BACKUP COOLING KIT (OPTION)

Backup Cooling Kit Operation

Explanation of the backup cooling kit's switches and temperature setting knob.

SPECIFICATIONS

Technical Specifications Overview

Detailed specifications including dimensions, capacity, materials, components, and alarms.

PERFORMANCE

Performance Characteristics

Data on cooling performance, temperature range, power, and noise level for different models.

Safety check sheet

Pre-Servicing Safety Checklist

A checklist for safe repair and maintenance, assessing freezer contents and contamination.