3. Vent the underfloor heating circuits and the radiators. First vent the
lower floors A and then the upper floors B.
Note
The heating pump stops 5 minutes after selection of the shut-
down/frost protection mode. If the outside temperature is lower
than 3°C, the heating pump continues to run.
7.4.2 Automatic venting
If the parameter
is set to 0, the heat pump runs an automatic vent
ing cycle when it is switched on.
If the parameter
is set to 1, a domestic hot water tank is connected.
Automatic venting starts up only if the measured domestic hot water
temperature is lower than 25°C.
Automatic venting takes approximately one minute. It is possible to man
ually extend automatic venting to more than one minute.
1. When powering up, the word
flashes. Press the
key.
An automatic venting cycle begins. The word
stops flashing.
2. Press the
key to stop the venting cycle.
Caution
After venting, check whether the pressure in the installation is still
sufficient. Add more water to the installation if necessary.
Fig.25 Venting the floors
MW-M001495-1
A
A
B
B
7 Maintenance
7611973 - v04 - 07032016
AWHP-2 MIV-3
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