5 Operation
5.1 Use of the control panel
1. Use the key to select the various menus. Press the key the num
ber of times necessary to access the desired menu:
1 X
Information menu
2 X
User menu
3 X
Installer Menu
2. Confirm by pressing the
key.
3. Exit the menu by pressing the
key.
5.2 Starting the heat pump
1. Start the heat pump to produce heating, domestic hot water or cool
ing (cooling mode: only for the reversible versions).
Caution
Only qualified professionals may carry out initial commissioning or
a start-up when the heat pump has completely stopped.
2. To restart a heat pump in shut-down/frost protection mode, change
the operating mode.
For more information, see
Changing the operating mode, page 22
5.3 Switching off the central heating
It is possible to shut down the central heating and select an operating
mode suited to the situation and the desired comfort level:
In summer, for the sake of comfort, it is possible to operate cooling
(only for the reversible versions).
In the event of a prolonged absence (weekend, holiday), it is possible to
switch to shut-down/frost protection mode.
It is possible to produce domestic hot water
all year round.
Caution
It is recommended that the heat pump never be completely shut
down. Frost protection is no longer automatically guaranteed if the
mains supply is switched off.
For more information, see
User settings, page 22
5.4 Frost Protection
When the outside temperature drops too low, the appliance's protection
system starts up. Frost protection is handled by the back-up. The back-up
is tripped automatically to handle frost protection under the following con
ditions:
Fig.4
Shut-down/Frost Protection mode
MW-M002239-1
5 Operation
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AWHP-2 MIV-3
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