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Tank loading:
Arrangement/Options/tank load.
selection: “Yes”, “No”
factory setting: “No”
Arrangement/adj. values/Th7on
adjustment range: -40.0 ... 480.0 °F
factory setting: 110.0 °F
Arrangement/adj. values/Th7off
adjustment range: -40.0 ... 480.0 °F
factory setting: 120.0 °F
Arrangement/Expert/Sen-Th7
adjustment range: 1 ... 10
factory setting:7
Arrangement/Expert/Sen-Th8
adjustment range: 1 ... 10
factory setting: 8
In order to carry out backup heating of a tank within a cer-
tain tank volume (tank zone), this function uses 2 sensors
to monitor the switch-on and switch-off level.
The switch-on and -off temperatures Th7on and Th7off are
used as reference parameters.
Î
Adjust the reference sensors via Sen-Th7 and Sen-Th8.
If the measured temperatures at both reference sensors
fall below the adjusted switching treshold Th7on, the relay
is switched on. It is switched off if the temperature at both
sensors is higher than Th7off.
If one of the two sensors is defective, tank loading is sup-
pressed or switched off.
Arrangement/Options/timer 4
selection: “Yes”, “No”
factory setting: “No”
Arrangement/adj. values/timer2/t1(...21)-on
adjustment range: 00:00 ... 00:00
factory setting: 22:00
Arrangement/adj. values/timer2/t1(...21)-off
adjustment range: 00:00 ... 00:00
factory setting: 05:00
In addition to the above, a timeswitch can be set to tem-
porarily block operation in 21 time frames (3 for each day)
by means of the daily timer 4.
Depending on the selected basic system and activated op-
tions, there are up to 5 function blocks including thermostat
functions, timer and differential functions. With these, fur-
ther components or functions e.g. solid fuel boiler, heating
backup and DHW backup heating can be implemented (see
3.3 for further examples).
Function blocks are assigned to the relays (see 3.5) and the
relay cannot be changed. Each function block has allocated
sensors that can be changed in the expert menu if needed.
It is also possible to “double up” in the programming and
use a sensor already allocated to another function.
Within a function block the functions are interconnected
(AND gate). This means that the conditions of all the activa-
ted functions have to be fulfilled for switching the allocated
relay. As soon as one condition is not fulfilled, the relay is
switched off.
Function blocks:
Arrangement/Options/Thermo.1 (...10)
selection: “Yes”, “No”
factory setting: “No”
Arrangement/Options/
D
T-Func (...9)
selection: “Yes”, “No”
factory setting: “No”
Arrangement/Options/timer 1 (...5)
selection: “Yes”, “No”
factory setting: “No”
Arrangement/Expert/Sen-Th1 (...10)
Arrangement/Expert/Sen1-
D
T5(...9)
Arrangement/Expert/Sen2-
D
T5(...9)