56
Value Meaning
0 Heating only
1 Cooling only
2 Heating and cooling
Changeover between heating and cooling via
menu: See operating instructions or
ViCare app.
2540 Setting low-noise mode
2540.0. Low-noise mode
Value Meaning
0 Low-noise mode is switched off.
1 The time program for low-noise mode can be
set by the system user.
2 The time program for low-noise mode can be
set only by the contractor.
2340 Configuration of electric booster heater
2340.0 Enable instantaneous heating water heater, central heating
If the heat pump cannot cover the heat demand, the
instantaneous heating water heater is automatically
activated for the following functions:
■
Frost protection
■
Increased DHW hygiene
■
Defrost
■
Emergency mode
■
Screed drying
In addition, the instantaneous heating water heater can
be enabled for central heating.
Value Meaning
0 Instantaneous heating water heater is
blocked for central heating.
1 Instantaneous heating water heater is ena-
bled for central heating.
The instantaneous heating water heater is
switched on in addition to the heat pump if all
of the following conditions apply:
■
The heat demand exceeds the currently
available output of the heat pump. The out-
put differential is used as the output specifi-
cation for the instantaneous heating water
heater.
■
The flow rate in the secondary circuit is suf-
ficient for operation of the instantaneous
heating water heater: See the following in-
formation.
Required flow rates for the output stages of the instan-
taneous heating water heater:
■
Stage 1: 250 l/h
■
Stage 2: 425 l/h
■
Stage 3: 600 l/h
Note
If the flow rate in the secondary circuit is lower than the
stated values, the instantaneous heating water heater
is activated at a lower stage than that required on the
basis of the output demand.
Commissioning assistant parameter group
1418 Operating mode of heating/cooling circuit 4 (cont.)
6218234
Parameter
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