Vemer Mithos GSM RF, User Manual

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Mithos GSM RF Chronothermostat User Manual
To unlock the keypad, press the
T1
,
T2
and T3 keys again for 3 seconds and
enter through the “ ” and “ ”
keys, the protection password.
Display of max/min daily temperature
The chronothermostat memorizes
automatically the minimum and maximum
temperature values measured both from
the internal probe as well as from the
external one during the day. To view such
values press the
“ ” key (maximum
value) or
“ ”
(minimum value). Field
(15) will display the value relevant to the
external probe while field (16) will display
the value relevant to the internal probe.
To reset the memorized minimum/
maximum value, press the
“ ”
/
“ ”
key for at least 3 seconds.
Emergency regulation
During winter operation, in case of sensor failure, in order to avoid problems
regarding freezing, the chronothermostat activates the relay for 10 minutes every 4
hours and field
(16)
will display the
“ --- ”
symbol.
Restoring default parameters
Simply pressing the “ R ” key will not cause a total reset of the device. To do so
and allow the loading of the default values, it is necessary to press the
“ R ”
key
and then, within 3 seconds, the “ ” key. The display will show the writing “dEF” .
Note: In this mode also the remote operating settings (numners, recipient
of alarm, ...) are deleted (see “Gsm interface” page 36).