59
Cause Remedy
Settings made at the heat pump control unit have been
changed or are incorrect.
Central heating/central cooling must be enabled.
Check the following settings and correct if required:
■
Operating program: see page 26.
■
Room temperature: see page 26.
■
Time: see page 49.
■
Time program for central heating/central cooling: see
page 27.
■
Time program for heating water buffer cylinder: see
page 27.
■
Heating curve/cooling curve: see page 28.
■
Enable "Active cooling mode" if required: see
page 38.
"Note", "Warning" or "Fault" is shown.
■
Check what type of message it is. Acknowledge the
message: see page 54.
■
If necessary, notify your contractor.
In conjunction with a ventilation unit:
The bypass does not open.
Check the following settings and correct if required:
■
Room temperature for ventilation "Set room temper-
ature": see page 26.
■
Minimum temperature for ventilation "Min supply air
t. byp": see page 42.
If necessary, notify your contractor.
There is no hot water
Cause Remedy
The heat pump is off.
■
Turn on the ON/OFF switch: see diagrams on
page 24 onwards.
■
Switch ON the mains isolator (if installed, outside the
boiler room).
■
Set the MCB in the power distribution board (main do-
mestic MCB).
Settings made at the heat pump control unit have been
changed or are incorrect.
DHW heating must be enabled.
Check the following settings and correct if required:
■
Operating program: see page 26.
■
DHW heating: see page 33.
■
Time program DHW heating: see page 34.
■
Time: see page 49.
■
If necessary, enable the electric booster heater for
DHW heating (if installed): see page 37.
"Note", "Warning" or "Fault" is shown.
■
Check what type of message it is. Acknowledge the
message: see page 54.
■
If necessary, notify your contractor.
The DHW is too hot
Cause Remedy
Settings made at the heat pump control unit have been
changed or are incorrect.
Check and if necessary correct the standard DHW tem-
perature: see page 33.
What to do if...
Rooms are too hot
5790940
To Next Page
Loading...
