Sanyo MDF-192 Service Manual

SM9910176
SANYO Electric Co., Ltd.
Biomedical Business Division
Service Manual
Ultra-Low Temp. Freezer
MDF-193
MDF-192(N)
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.
MDF 193AT

Sanyo MDF-192 Specifications

General

Brand	Sanyo
Model	MDF-192
Category	Freezer
Type	Upright Freezer
Voltage	115 V
Frequency	60 Hz
Defrost Type	Manual
Temperature Range	-50°C to -86°C
Weight	82 kg (181 lbs)
Power Supply	AC

Summary

Specifications

Structural Specifications

Details physical and construction aspects of the freezer.

Control Specifications

Outlines operational settings, alarms, and control panel functions.

Performance Specifications

Details cooling performance, noise, and pressure ratings.

Refrigeration Circuit

Wiring Diagram

Circuit Diagram

Control and Operation

Temperature Control Settings

Details setting range and procedure for temperature adjustment.

Temperature Alarm Settings

Describes high and low temperature alarm settings and procedures.

Warning Function Details

Describes how high and low temperature warnings are triggered.

Setting High Temperature Alarm (F01)

Procedure to set the high temperature alarm threshold.

Setting Low Temperature Alarm (F02)

Procedure to set the low temperature alarm threshold.

Compressor Differential Points

Remote Alarm Functionality

Remote Alarm Functionality

Describes the behavior of remote alarm contacts for various conditions.

Sensor Error Handling

Temperature Sensor Errors

Details error codes and behavior for temperature sensor issues.

Compressor Protect Sensor Errors

Explains error codes for the compressor protect sensor.

Error Code Priority

Lists the priority order of different error codes.

Temperature Thresholds for Faults

Lamp and Buzzer Indicators

Buzzer Alarms and Tones

Test Data

Temperature Uniformity Measurement

Distribution Data

Temperature Cycle Data (AT30°C)

Temperature Cycle Data (AT20°C)