Self Monitoring System; Tamper Recognition - Adeunis RF HCA-UNITY1 Mode D'emploi

ADEUNIS RF HCA - USER GUIDE - V1.2
During the first 6 hours operation a Wmbus telegram is sent every 60", then the transmission occurrence is definitely locked on standard time
slot: Every 4'. The LCD display is switched ON every 2', means each telegram transmission + an intermediate display sequence.
A display sequence (each 2' occurrence) can last 28" and is composed of 5 successive steps:
• First the 888888 indication during 2"
• Then the value representing the current period measurement, during 10"
• Then the end date of period during 4"
• Finally, the reminder of the value measured on the previous period
• Display of status message is effective only in case of failure detected.
before to switch back in OFF position.

4.5. Self Monitoring system

Adeunis RF HCA UNITY1 is monitoring the most important events to secure a proper operation. It is notably designed to signalize on display
and telegram abnormal working or malfunctions.

4.5.1 Tamper Recognition

After first 60' operation (see start of operation chapter), a tamper signal is recorded signaling the illegal tentative of separation of the HCA from
the heat conductor. This information is part of the Wmbus telegram and will be detected by the backend station. However, the product keeps in
operation with display of status message.
Information on Display
The tamper detection is immediate (reaction time < 3"), the code in status flag is 0002 (flag bit2 of status word data set to 1).
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