16
FUNCTION MODE
This unit has the following function mode.
Indication Mode Settable range
F01 Setting of high temperature alarm
Between +5
o
C and 20
o
C higher than the
chamber set temperature (1
o
C gradient)
F02 Setting of low temperature alarm
Between -5
o
C and -20
o
C lower than the
chamber set temperature (1
o
C gradient)
F04 Setting of delay time of door alarm
Between 1 and 15 minutes
(1 minute gradient)
F05
Setting of compressor delay time (for low
stage side only)
Between 3 and 15 minutes
(1 minute gradient)
F25 Setting of alarm resume time
000 or between 10 and 60 minutes
(10-minute gradient)
F50 Setting of alarm delay time
Between 0 and 15 minutes
(1 minute gradient)
SETTING OF ALARM DELAY TIME
The delay time of the buzzer and remote alarm for high and low temperature alarm can be set between 0
and 15 minutes. The procedure in table 3 shows the sequence to set the delay time to 10 minutes.
The delay time is set to 15 minutes at the factory.
Table 3 Setting procedure for alarm delay time (change from 15 minutes to 10 minutes)
Description of operation Key operated Indication after operation
1 ----
The current chamber temperature is
displayed.
2
Press numerical value shift key for
5 seconds.
The first digit is flashed.
3
Scroll the figure to F50 by using
digit shift key and numerical value
shift key
When pressed, the figure of settable
digit changes.
When pressed, the changeable digit
moves.
4 Press set key. SET
The current delay time is displayed.
The first digit is flashed.
5
Set the figure to 010 with the
numerical value shift key.
When pressed, the figure of the first
digit changes.
6 Press set key. SET
The delay time is memorized and
the current chamber temperature is
displayed.
■ The alarm delay time set mode returns to the temperature display mode automatically when 90
seconds has passed without any key operation.
To Next Page
Loading...