0020334316_02 Operating and installation instructions
15
ESCO:
Define what you want to deactivate when the signal is sent by the
energy supply company or an external control. The selection re-
mains deactivated until the signal is cancelled.
The heat generator ignores the deactivation signal as soon as the
frost protection function is active.
Settings for the deactivation signal from the energy supply com-
pany:
–
HP off
–
Back-up heat. off
–
HP + BUH off
For the settings
HP off
,
Back-up heat. off
and
HP + BUH off
, the
ESCO contact on the heat pump means the following:
–
closed = locked
–
open = enabled
Settings for the deactivation signal from an installed external con-
trol:
–
Heating off
–
Cooling off
–
Heat. + cool. off
For the settings
Heating off
,
Cooling off
and
Heat. + cool. off
,
the ESCO contact on the heat pump means the following:
–
closed = enabled
–
open = locked
Factory setting:
HP + BUH off
ESCO contact status:
Display showing whether the ESCO contact blocks or releases
operation at the current time while taking into consideration the
ESCO:
function.
Blocked
Enabled
Back-up boiler:
Factory setting:
DHW + heat.
Off
The back-up boiler does not support the heat pump.
The back-up boiler is activated for the anti-legionella function, frost
protection or de-icing.
Heating
The back-up boiler supports the heat pump during heating.
The back-up boiler is activated for the anti-legionella function.
DHW
The back-up boiler supports the heat pump during domestic hot
water generation.
The back-up boiler is activated for frost protection or de-icing.
DHW + heat.
The back-up boiler supports the heat pump during domestic hot
water generation and heating.
Installation flow temperature: °C
Measured temperature, e.g. downstream of the low loss header
Buffer cylinder offset: K
In the case of excessive current, the buffer cylinder is heated up to
the flow tempe set offset via the heat pump. Prerequisite:
–
A photovoltaic installation is connected.
–
Photovoltaics
is activated in the
HP control module config-
uration
→
MI:
function.
Factory setting: 10 K
Actuation reversal:
Prerequisite: The heating installation contains a cascade.
Factory setting:
On
Off
The system control always actuates the heat generators in the
sequence 1, 2, 3, etc.
On
Once a day, the system control sorts the heat generators based on
their actuation time.
The back-up heater is excluded from this sorting.
Actuation sequence:
Sequence in which the system control actuates the heat generat-
ors.
Prerequisite: The heating installation contains a cascade.
Summary of Contents for sensoCOMFORT VRC 720/3
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