The set temperature considered as minimum temperature during the set comfort time. If the temperature on DHW-sensor is below
the value set here is during the DHW comfort periods, the DHW heating is started, until DHW comfort + hysteresis is achieved.
DHW hysteresis
DHW hysteresis
The DHW charge and heat request are shut down if the temperature at the DHW sensor reaches the value set under “see " Hot
water minimum " on page 17“ / “see " DHW reference " on page 17“ plus the heating set here.
Buffer DHW load
DHW load from the buffer
The DHW load from the buffer storage is turned on if the temperature on the buffer sensor is at least 8°C warmer than at the DHW
sensor. The DHW load from the buffer storage is shut down if the temperautre at the buffer sensor is only 4 °C warmer than at the
DHW sensor or if the temperature at the DHW sensor has reached the value set under see " Hot water minimum " on page 17 or
see " DHW reference " on page 17.
DHW priority
Preferred DHW charge
If this function is activated, the reference flow temperature during a BW heating will be set to the minimum flow temperature see "
Min. Flow " on page 15 so that the mixer moves to the “closed” position.
PV contact
This sensor input could be used as a PV-contact of PV-System
This sensor is observed to "short circuit" (PV-Contact closed).
If the PV-Contact is closed, the mode of this function is changed to "comfort" and operate
This also applies in the case that the mode "comfort" of the function currently has no time release.
Information about the operation and the connection of PV-contact, refer to the technical description of your PV sys-
tem.
14-day Reference
If operating mode‚ 14-day reference value‘ is selected see " Operating mode " on page 14, the reference flow temperature for
each of the 14 days can be set here. In Menu 4.4.1, the starting time of the program is shown. To restart the reference program,
press ‚restart‘.
Pressing ‚restart‘ again will reset the 14-day reference program and restart it at Day 1.
Burner
This function requests a burner when a request of a heating circuit or the DHW function is present. Depending on the request, the
burner will turn on in a more economic manner in the Eco-Mode if the solar circulation pump is running.
DHW request
The burner is started for a DHW - heat request.
Heating Circuit request
The burner is started for a heating circuit heat request.
Delay
Switch delay, valid for cooling and heat request. The burner first turns on after this time span if the switch conditions were
reached and are still present. This function should prevent unnecessary switches through temperature changes or create a regen-
erative energy source that adds energy.
Eco mode (during solar charge)
The economy mode for this function can be operated in 2 different variants:
Shutdown: The function is not started with an active solar charge.
Decrease:
For a heating request the function first turns on when the conditions and an additional offset were not met.
For a DHW request the function only activates when T eco is not met and de-activates when T eco + DHW-heating is achieved.
Mode
Switching: Request is made via signal output V2.
Output signal to V1: "no request" = 0V, "request" = 10V
Modulating: Request is made via signal output V2. The ModvlvS Logico outputs the requested temperature (calculated target VL)
as a voltage via the signal output.
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