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Sanyo MDF-137 User Manual

Sanyo MDF-137
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SM9910202
SANYO Electric Co., Ltd.
Biomedical Business Division
Service Manual
Biomedical Freezer
MDF-137
FILE No.
RoHS
This product does not contain any hazardous substances prohibited by the RoHS Directive.
(You will find ‘RSF’ mark near the rating plate on the RoHS compliant product.)
WARNING
* You are requested to use RoHS compliant parts for maintenance or repair.
* You are requested to use lead-free solder.

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Sanyo MDF-137 Specifications

General IconGeneral
BrandSanyo
ModelMDF-137
CategoryFreezer
Temperature Range-20°C to -30°C
Defrost SystemManual
Door LockYes
Energy Star CertifiedNo
TypeUpright
Power SupplyAC
Frequency60 Hz

Summary

Features

Specifications

Structural specifications

Details the physical attributes and components of the freezer.

Performance specifications

Outlines key operational metrics like cooling capacity and noise levels.

Control specifications

Describes temperature control, sensors, display, and alarm functions.

Dimensions

Cooling unit parts

Refrigeration circuits

Components on PCB

Connections on PCB

Electric parts

Specifications of sensor

Wiring Diagram

Circuit diagram

Control specifications

Keys and Switches

Explains the function of various buttons on the control panel.

Temperature control

Details the setting range and process for temperature adjustment.

Key Lock Function

Describes how to lock and unlock the control panel keys.

Function mode

Lists and explains various operational modes and settings.

Error code

Lists and explains error codes displayed by the unit.

Alarms

Details high and low temperature alarm conditions and behavior.

Power failure alarm

Explains the unit's behavior during power interruptions.

Auto Return

Describes the automatic return to default settings after inactivity.

Alarm resume time (Ring Back)

Explains the setting for recurring alarms after manual silencing.

Temperature in temp. sensor

Describes how temperature readings are displayed, including decimal points.

Battery accumulation period

Details how the battery usage period is displayed and reset.

ROM version

Explains how to display the firmware version of the unit.

Function mode Details

Function Mode Parameters

Details specific function modes like F00, F01, F03, F05, F06.

Advanced Function Settings

Covers advanced settings like F07, F12, and F17 for sensor and model code.

Communication and Alarm Settings

Explains communication modes, remote alarm, and resume time settings.

Operational Settings

Covers delay times, offsets, remote alarm, and lamp operations.

Display Examples and Buzzer Tones

Shows examples of unit display and explains buzzer tone meanings.

Installation of compressor terminal cover

Parts layout

Test data

Temperature Uniformity data (15points measured)

Conditions and Distribution Data

Distribution data

Temperature cycle data at different areas and ambient temperatures.

Amount of power consumption

Power consumption figures at various ambient temperatures and cycle conditions.

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