COMMISSIONING
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Adjust the heating curve. For example, the heating
settings for underfloor heating systems could be below
the factory default settings. Set a suitable H and V value.
Fig. 44
The heat pump stops at outdoor temperatures lower
than approx -20 °C. The heating installation then goes
over to additional heat mode only.
Temperature sensor T3 limits the maximum flow
temperature if the electric additional heater provides
the total heat input. Therefore change the H value of the
heating curve if it is set higher than 62 °C.
Fig. 45
Permitting a higher flow temperature:
B
In the installation and service menu (I/S) select
Advanced menu
.
B
Select
Additional heat settings
.
B
Select
Electric additional heat settings
.
B
Select
T3 Stop temperature
.
B
Set the required value. Factory setting = 62 °C and
maximum = 70 °C.
The table of
Factory settings
(
Æ
Chapter 15.1) shows
all functions, which can be adjusted by customer and
installer. Go through the table and check if any further
values need changing.
Install a mixer if a setting higher than 65 °C
is selected.
6 720 616 818-09.1I
H
6 720 641 467-15.1I
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