5 Settings and adjustments
An authorized installer carries out the basic settings of the heat pump at
installation. A number of settings and adjustments that you can carry
out yourself are described below.
Note! Before changing the control computer’s settings, first find
out what these changes mean. Make a note of the default
setting.
5.1 Setting operating mode
1. Open the menu OPERAT. in the INSTAL-
LATION menu. The asterisk shows the
current selection
2. Mark new mode using + or – button.
3. Press the right button once to confirm
the choice.
4. Press the left button twice.
The following operating modes can be selected:
Operating
mode
Meaning
(OFF)
The installation is fully switched off. This mode is also
used to acknowledge certain alarms.
AUTO The heat pump and the auxiliary heater are automatically
controlled by the control system.
HEAT PUMP The control system is controlled so that only the heat
pump unit (compressor) is allowed to operate. In this
operating mode peak heating charging (anti-legionella
function) of the hot water will not run because the auxili-
ary heater is not used.
User manual VUBMA902 – 15
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