31
The status display
This menu displays the status of the heating circuit. For example, it can be seen which switch
off condition is currently responsible for switching off the heating pump. The switch-off condi-
tions are set in submenu
PUMP
in the
ENTER/Men
menu.
If the condition results in switching off the heating circuit the symbol
is shown in the
lowest display line. In the following example the calculated flow temperature has fallen below
the minimum temperature
PREmin
and the switch-off condition
PN<PM
is activated:
The above-mentioned displays mean:
PR REL
The minimum threshold has been exceeded (= minimum temperature boiler
reached)
RT OFF
The room temperature switch-off is not activated
PN<PM
The calculated set flow temperature has fallen below the flow minimum tempera-
ture therefore pump switch-off (symbol in the lower display line)
OTNOFF
The outdoor temperature switch-off is not activated in normal operation
OTLOFF
The outdoor temperature switch-off is not activated in normal operation
MP 360
Mixer position (remaining run time in seconds)
PRE min
The calculated flow temperature has fallen below the minimum allowable tempera-
ture (setting in
Par
menu). The display of the symbol means that
the actual flow temperature is limited by the minimum value.
PRE max
The calculated flow temperature has not exceeded the permitted temperature
(setting in
Par
menu). If the symbol is displayed the actual flow temperature is
limited by this maximum value.
The display
MALF
(malfunction) in the status display means that the external sensor is de-
fective (unrealistic, high or low values, short circuit or interruption). In the event of a fault, the
controller calculates the set flow temperature
NP
for an outdoor temperature of 0°C.
Program - re-
lease
Room
tempera-
ture - switch-off
Set flow temper-
ature - switch-off
Outdoor
temper-
ature - switch-off
heating mode
Outdoor tem-
perature-switch-
off lowering
mode
Mixer position
flow –minimum
value limit
flow
–maximum
value limit
