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Dimplex SI 11KS Manual

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English
8
8 Start-up
8.1 General Information
To ensure that start-up is performed correctly, it should only be
carried out by an after-sales service technician authorised by the
manufacturer. This may be a condition for extending the guaran-
tee (see Warranty Service).
8.2 Preparation
The following items need to be checked prior to start-up:
The heat pump must be fully connected, as described in
Chapter 7.
The heat source system and the heating circuit must have
been filled and checked.
Dirt traps and breathers must be inserted in the brine inlet of
the heat pump.
All valves that could impair proper flow in the brine and heat-
ing circuits must be open.
The heat pump controller must be adapted to the heating
system in accordance with the controller’s operating instruc-
tions.
Ensure the condensate outflow functions.
The outflows of the brine and heating water pressure relief
valves must not be impaired.
8.3 Start-up Procedure
The heat pump is started up via the heat pump controller.
ATTENTION!
The heat pump must be started up in accordance with the installation and
operating instructions of the heat pump controller.
The performance level of the circulating pump must be adapted
to the respective heating system.
The overflow valve must be adjusted to the requirements of the
respective heating system. Incorrect adjustment can lead to
faulty operation and increased energy consumption. We recom-
mend carrying out the following procedure to correctly adjust the
overflow valve:
Close all of the heating circuits that may also be closed during
operation so that the most unfavourable operating state - with re-
spect to the water flow rate - is achieved. This normally means
the heating circuits of the rooms on the south and west sides of
the building. At least one heating circuit must remain open (e.g.
bathroom).
The overflow valve should be opened far enough to produce the
maximum temperature spread between the heating flow and re-
turn flow listed in the table below for the current heat source tem-
perature. The temperature spread should be measured as close
as possible to the heat pump. The heating element of mono en-
ergy systems should be disconnected.
Any faults occurring during operation are displayed on the heat
pump controller and can be corrected as described in the operat-
ing manual of the heat pump controller.
Heat source
temperature Max. temperature spread
between heating flow and return
flow
From To
-5° C 0° C 10 K
1° C 5° C 11 K
6° C 9° C 12 K
10° C 14° C 13 K
15° C 20° C 14 K
21° C 25° C 15 K
… 18 …


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