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SETTING OF ALARM RESUME TIME
The alarm buzzer is silenced by pressing he alarm buzzer stop key (BUZZER) on the control panel during
alarm condition. The alarm buzzer will be activated again after certain suspension if the alarm condition
is continued. The suspension time can be set by following the procedure shown in the Table 6 below.
The example in the table is based on the assumption that the desired duration is 20 minutes.
Note:
The duration is set in 30 minutes at the factory.
Table 6 Procedure for setting of alarm resume time (Example; change from 30 minutes to 20 minutes)
Operation
Key operated
Indication after operation
1
-----
The current chamber temperature
is displayed.
2
Press and hold the numerical value
shift key for about 5 seconds.
The first digit of the temperature
display blinks.
3
Set to F25 by using digit shift key
and numerical value shift key.
Pressing the key leads the change of flashed
digit.
Pressing the key shifts up the figure
of the current digit.
4 Press the set key.
SET
The current set value is displayed and
the second digit of the temperature
display flashes.
5
Set to 020 by using numerical value
shift key.
Pressing the key shifts up the figure in
the second digit.
6 Press the set key.
SET
The value is stored in memory and
the current chamber temperature is
displayed.
The settable alarm resume times are 10, 20, 30, 40, 50, or 60 minutes (The set values are 010, 020,
030, 040, 050, or 060). The alarm buzzer would not resume if the resume time is set in 000.
The set mode returns to the temperature display mode automatically when 90 seconds has passed
without any key operation. In this case, any setting before pressing set key (SET) is not memorized.
REMOTE ALARM TERMINAL
The terminal of the remote alarm is installed at the lower
left side of the unit. The alarm is outputted from this
terminal.
Contact capacity is DC 30 V, 2 A.
Contact output: At normal condition “Open”
At abnormal condition “Close”
Note:
The alarm is actuated when the power supply cord is
disconnected from the outlet since the condition is
regarded as power failure.
It is recommended to use cables with a maximum length
of 30 meters.
Terminal
