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Signaling of possible alarm conditions
The device can signal the following particular conditions (alarm conditions), by sending
a sms to one or more numbers stored in your phonebook:
• if the measured temperature falls below a specified value
• if the measured temperature exceeds a specified value
• if the power supply fails (for example in the event of a blackout)
To activate this feature, you need to:
• specify the minimum temperature below which the alarm is triggered
• specify the maximum temperature above which the alarm is triggered
• define for each type of alarm what are the numbers in the phonebook that should
receive the alert
To define the alarm on exceeding the minimum temperature:
SET ALARM MINIMUM INT [threshold] [hysteresis] [delay]
[threshold] = is the temperature value below which an alarm is considered.
[hysteresis] = is the value used to calculate the condition of re-entry from the alarm.
When the measured temperature drops below the value
threshold + hysteresis the device sends the alarm re-entry alarm message
to the recipient
[delay] = is a value (expressed in minutes). Indicates how many minutes after
the threshold it can be considered an alarm.
To define the alarm on exceeding the maximum temperature:
SET ALARM MAXIMUM INT [threshold] [hysteresis] [delay]
[threshold] = is the temperature value above which an alarm is considered.
[hysteresis] = is the value used to calculate the condition of re-entry from the alarm.
When the measured temperature exceeds the value threshold-hysteresis
the device sends the alarm re-entry message to the recipients.
[delay] = is a value (expressed in minutes). Indicates how many minutes after the
threshold it can be considered an alarm.
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OB327200 Chronothermostat User Manual
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