Sanyo MPR-1013R Instruction Manual - Page 18

Alarm temperature setting

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TEMPERATURE SETTING Alarm temperature setting This unit is provided with both high and low temperature alarms. The temperature at which the alarm is activated may be changed. The available set range for high temperature alarm is between +2oC and +14oC and -2oC and -14oC for low temperature alarm against the chamber temperature. Note: The temperature alarm is set at ʶ5oC of the set temperature at the factory. Display Mode Function High temperature alarm set See Table 5 on page 18 Low temperature alarm set See Table 5 on page 18 As an example, Table 3 shows the procedure to set the high temperature alarm so that the alarm can activate when the chamber temperature is 3oC higher than the set temperature. Table 4 shows the procedure to set the low temperature alarm so that the alarm can activate when the chamber temperature is 3oC lower than the set temperature. Table 3. Procedure for setting high temperature alarm Description of operation Key operated Indication after operation 1 ---- The current chamber temperature is displayed. 2 Press key for 5 seconds. The first digit is flashed. 3 Press to 1. key and scroll the figure 4 Press SET key. When pressed, the figure of settable digit increases. The first digit is flashed. SET Set the temperature to 003 with the 5 key and key. 6 Press SET key. Pressing the key shifts the digit which can be set. When pressed, the figure of settable digit increases. Alarm temperature is memorized and SET the current chamber temperature is displayed. Table 4. Procedure for setting low temperature alarm Description of operation Key operated Indication after operation 1 ---- The current chamber temperature is displayed. 2 Press key for 5 seconds. The first digit is flashed. 3 Press to 2. key and scroll the figure 4 Press SET key. When pressed, the figure of settable digit increases. The first digit is flashed. SET Set the temperature to -03 with the 5 key and key. Pressing the key shifts the digit which can be set. When pressed, the figure of settable digit increases. Alarm temperature is memorized and 6 Press SET key. SET the current chamber temperature is displayed. Note: The alarm may operate depending on the setting of high temperature alarm when a large amount of load is put in the chamber after defrosting. This does not mean abnormality. The alarm is canceled automatically when the chamber temperature gets to the set temperature. With regardless the setting of low temperature alarm, the alarm is activated when the chamber temperature is lower than 0oC. This is a safety function to prevent the stocked materials from freezing. 17

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17
TEMPERATURE SETTING
Alarm temperature setting
This unit is provided with both high and low temperature alarms. The temperature at which the alarm is
activated may be changed.
The available set range for high temperature alarm is between +2
o
C and +14
o
C and -2
o
C and -14
o
C for
low temperature alarm against the chamber temperature.
Note:
The temperature alarm is set at
±
5
o
C of the set temperature at the factory.
Display
Mode
Function
High temperature alarm set
See Table 5 on page 18
Low temperature alarm set
See Table 5 on page 18
As an example, Table 3 shows the procedure to set the high temperature alarm so that the alarm can
activate when the chamber temperature is 3
o
C higher than the set temperature.
Table 4 shows the procedure to set the low temperature alarm so that the alarm can activate when the
chamber temperature is 3
o
C lower than the set temperature.
Table 3.
Procedure for setting high temperature alarm
Description of operation
Key operated
Indication after operation
1
----
The current chamber temperature is
displayed.
2
Press
key for 5 seconds.
The first digit is flashed.
3
Press
key and scroll the figure
to 1.
When pressed, the figure of settable
digit increases.
4
Press SET key.
SET
The first digit is flashed.
Pressing the key shifts the digit which can be set.
5
Set the temperature to 003 with the
key and
key.
When pressed, the figure of settable
digit increases.
6
Press SET key.
SET
Alarm temperature is memorized and
the current chamber temperature is
displayed.
Table 4.
Procedure for setting low temperature alarm
Description of operation
Key operated
Indication after operation
1
----
The current chamber temperature is
displayed.
2
Press
key for 5 seconds.
The first digit is flashed.
3
Press
key and scroll the figure
to 2.
When pressed, the figure of settable
digit increases.
4
Press SET key.
SET
The first digit is flashed.
Pressing the key shifts the digit which can be set.
5
Set the temperature to -03 with the
key and
key.
When pressed, the figure of settable
digit increases.
6
Press SET key.
SET
Alarm temperature is memorized and
the current chamber temperature is
displayed.
Note:
The alarm may operate depending on the setting of high temperature alarm when a large amount
of load is put in the chamber after defrosting.
This does not mean abnormality.
The alarm is canceled
automatically when the chamber temperature gets to the set temperature.
With regardless the setting of low temperature alarm, the alarm is activated when the chamber
temperature is lower than 0
o
C.
This is a safety function to prevent the stocked materials from freezing.