Sanyo MDF-793AT, MDF-593AT Operating Instructions, Temperature setting, Remote alarm terminal

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OPERATING INSTRUCTIONS

Temperature setting

Table 1 shows the basic operation method. Perform key operations in the sequence indicated in the table. The example in the table is based on the assumption that the temperature is -70oC.

Note: The unit is set at the factory that the chamber temperature is -85C.

Table 1. Basic operation sequence (Example: Chamber temperature -70oC)

 

Description of operation

Key operated

Indication after operation

1

Turn on the power switch.

-----

The current chamber temperature is

 

 

 

 

 

 

 

 

displayed.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

Press mode change key when

 

 

 

 

 

 

1

changing the set temperature

PV/SV

The second digits blinks.

 

 

 

 

 

during operation.

 

 

 

 

 

 

2

Set the second digit to 7 with the

 

When pressed, the figure of settable

numerical value shift key.

 

digit changes.

3

By pressing the digit shift key, set

 

The first digit blinks.

the first digit.

 

4

Set the first digit to 0 with the

 

When pressed, the figure of settable

numerical value shift key.

 

digit changes.

 

 

 

Set temperature is memorized and

5

Press enter key.

ENT

the current chamber temperature

 

 

 

 

 

 

 

is displayed.

 

 

 

 

 

 

 

 

 

 

 

Note: The temperature set mode returns to the temperature display mode automatically when 90 seconds has passed without any key operation.

Remote alarm terminal

The terminal of the remote alarm is located at rear of the machinery room, upper side of the electric box. The signal is contact output. The recommended contact capacity is between 2 A (DC 30V) .

Contact output: : normal close connect with N.O. and COM.

Consult our dealer or our office for installation of the remote alarm.

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Contents MDF-593 MDF-593AT MDF-793 MDF-793AT Contents Symbol shows Precautions for Safe OperationPrevent electric shock or injury Maintenance. These may be harmful to your health Water Precautions for Safe Operation Page Page Environmental Conditions Freezer Components Control panel cover LockControl panel Break down or power failure at the power supplyInstallation site InstallationAdjust the leveling foot InstallationRemove the packaging materials and tapes Fix the unitSTART-UP of Unit Operation after power failureOperating Instructions Temperature settingRemote alarm terminal Alarm temperature setting Setting of alarm resume time Alarm and safety function Alarm and safety functionsRough scheme Back-up systemReplacement of cell Temperature RecorderFeeding of chart Penholder Setting of back-up temperatureCleaning Routine MaintenanceCleaning of condenser filter Defrosting of inside wallTrouble Shooting Disposal of Unit Location of a nickel-cadmium battery Recycle of NICKEL-CADMIUM BatteryRemoval of nickel-cadmium battery Handling of batteryPerformance SpecificationsSafety check sheet 7FB6P10140500 25 Feb