Table des Matières
Publicité
Les langues disponibles
Les langues disponibles
3)
The utility blocking contactor (K22) with 3 main contacts (1/
3/5 // 2/4/6) and an auxiliary contact (NO contact 13/14)
should be dimensioned according to the heat pump output
and must be supplied by the customer.
The NO contact of the utility blocking contactor (13/14) is
looped from terminal strip X3/G to terminal X3/A1.
CAUTION! Extra-low voltage! The contactor is installed in
the electrical distribution system. The mains cable for the
installed pipe heater must be laid and secured in
accordance with the valid standards and regulations.
4)
All installed electric cables must have permanent wiring.
5)
The external sensor (R1) is connected to terminals X3/GND
(ground) and X3/R1.
8
Commissioning
8.1 General
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 must be checked prior to start-up:
All of the heat pump connections must be installed as de-
scribed 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 manager must have been parametered for
the relevant hydraulics in accordance with its operating
instructions.
8.3 Start-up procedure
The heat pump is started up via the heat pump manager.
ATTENTION!
The heat pump must be started up in accordance with the installation and
operating instructions of the heat pump manager.
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 set the overflow
valve correctly:
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 - 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. bath-
room).
The overflow valve should be opened far enough to produce the
maximum temperature spread between the heat flow and heat
return flow listed in the following table for the current heat source
temperature. The temperature spread should be measured as
www.dimplex.de
All manuals and user guides at all-guides.com
452236.66.01 · FD 9209
close as possible to the heat pump. The heating element of mono
energy systems should be disconnected during start-up.
Heat source
Max. temperature spread
temperature
between heating flow and return
of
to
-5° C
0° C
1° C
5° C
6° C
9° C
10° C
14° C
15° C
20° C
21° C
25° C
9
Cleaning / maintenance
9.1 Maintenance
To prevent faults due to sediment in the heat exchangers, care
must be taken to ensure that no impurities can enter either the
heat source system or the heating system. In the event that op-
erating malfunctions due to contamination occur nevertheless,
the system should be cleaned as described below.
9.2 Cleaning the heating system
The ingress of oxygen into the heating water circuit may result in
the formation of oxidation products (rust), particularly if steel
components are used. These enter the heating system via the
valves, the circulating pumps and/or plastic pipes. It is therefore
essential - in particular with respect to the piping of underfloor
heating systems - that only diffusion-proof materials are used.
NOTE
We recommend the installation of a suitable corrosion protection system
to prevent the formation of deposits (e.g. rust) in the condenser of the
heat pump. We recommend equipping diffusion-open heating systems
with an electrophysical anti-corrosion system
(e.g. ELYSATOR system).
Residue from lubricants and sealants may also contaminate the
heating water.
In the event of severe contamination leading to a reduction in the
performance of the liquefier in the heat pump, the system must
be cleaned by a heating technician.
Based on current knowledge, we recommend carrying out the
cleaning with a 5 % phosphor acid or, if more frequent cleaning
is required, with a 5 % formic acid.
In both cases, the cleaning fluid should be at room temperature.
We recommend flushing the heat exchanger in the direction op-
posite to the normal flow direction.
To prevent acidic cleaning agents from entering the heating sys-
tem circuit, we recommend connecting the flushing device di-
rectly to the flow and return of the liquifier. It is then important that
the system be thoroughly flushed using appropriate neutralising
agents to prevent any damage from being caused by cleaning
agent residue remaining in the system.
Acids must be used with care and the regulations of the employ-
ers' liability insurance associations must be adhered to.
The manufacturer's instructions regarding cleaning agent must
be complied with at all times.
SIW 6TU - SIW 11TU
flow
10 K
11 K
12 K
13 K
14 K
15 K
EN-11
Publicité
Chapitres
Table des Matières
