Parameter Description
Adjustment
range
Factory setting
Type of back-up: choice of back-up and configuration of the X7 output (R6)
that is used to authorise an additional external generator (e.g. condensing
gas boiler). If 0 or 2 is selected, the integrated electrical back-up is no lon
ger active and cannot be added in parallel.
0 = None
1 = Electrical back-up
2 = Hydraulic back-up
0 – 2
1
Time delay for the electrical or hydraulic back-up in Automatic mode
(hours)
If, once the defined duration has elapsed, the temperature at the middle
domestic hot water sensor is at least 6 °C less than the domestic hot water
set point (
), the
back-up starts up. The back-up stops once
the temperatures at the middle and upper domestic hot water sensors have
reached the domestic hot water set point (
).
Info: the back-up starts immediately when the compressor is malfunction
ing or if the heat pump limit temperatures are reached.
0 - 10
5
Compressor start-up time (seconds)
If there is a request for production of domestic hot water, the fan starts at
half speed and the defrosting solenoid valve is activated for the time de
fined here.
60 - 255
120
Activation of optimised mode. The domestic hot water tank is charged by
optimal use of the heat pump and hydraulic back-up.
0 = Optimised mode deactivated, the display is normal and the
and
parameters cannot be accessed.
1 = Optimised mode activated,
is displayed and the
and
parameters can be accessed.
0 – 1
0
Anti-legionella function. When this function is activated, the tank is super
heated every Saturday from 01:00 to 06:00 to the temperature defined by
the P32 parameter. The compressor and the back-up function simultane
ously during this period.
0 = Deactivated
1 = Activated outside of the holidays
2 = Always activated
0 – 1
0
Compressor cut-off hysteresis in relation to the set point defined by
for the lower domestic hot water temperature sensor (only in Auto or Boost
mode)
It authorises an increase in the maximum domestic hot water temperature
(lower sensor -
parameter) allowing recharging based on the set
point (
) to be fulfilled when the middle sensor has not yet reached
the set point.
5 - 15
10
Maximum domestic hot water temperature for compressor cut-off (°C) (low
er sensor - only in Auto or Boost mode)
Domestic water heating in Auto or Boost modes is stopped when the mid
dle sensor has reached the set point (
) and the lower sensor has
reached the maximum temperature. See also the
parameter.
35 - 50
45
Minimum duration of compressor operation (minutes) when recharging do
mestic hot water
When the
set point is reached during the minimum compressor op
eration duration, the fan turns at half speed until the end of the duration.
3 - 10
3
Anti-short-cycle period between two compressor start-ups (minimum pause
time) (minutes)
5 - 10
5
Hydraulic back-up:
0 =R6 contact closed if there is a demand for the hydraulic back-up
1 =R6 contact open if there is a demand for the hydraulic back-up
This setting determines the status of the X7 input (R6), when the
back-up must be authorised.
0 – 1
0
Domestic hot water set point used for anti-legionella function
55 to 70 °C
65 °C
6 Commissioning
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300026515 - v10 - 28082018
