ELCO Case Study Booklet Condensing Gas Boilers
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TYPE: New Build | SECTOR: Hotels<br />
Van der Valk Hotel<br />
Venlo, The Netherlands<br />
OFFICES<br />
The <strong>ELCO</strong> solution<br />
Thanks to the choice of a separate heating and<br />
domestic hot water setup, there is minimal downtime<br />
and higher efficiency. This is continuously analysed by<br />
the building management system. Van der Valk Hotels<br />
uses this type of system at a number of its venues. The<br />
results are expected to be similar for projects of the<br />
same size.<br />
RESIDENTIAL<br />
Van der Valk Hotel Venlo expands<br />
with 107 rooms.<br />
The newly built part of the hotel is heated by a bivalent heating<br />
solution, with a heat pump working together with powerful,<br />
energy efficient units from <strong>ELCO</strong>. The hot water is also<br />
produced by an <strong>ELCO</strong> system.<br />
The challenge<br />
The choice was made to design the installation to allow different heat<br />
solutions to work together: From natural gas to waste heat storage<br />
with heat pump technologies. The combination of existing and new<br />
technologies led to the decision to use separate products for heating<br />
and hot water.<br />
Comment<br />
The aim was to provide energy efficient heating without compromising<br />
on comfort, while expanding the heating system in the existing building.<br />
It was therefore decided to decouple heating and hot water. Here, the<br />
heat pump provides heating with the support of the <strong>ELCO</strong> boilers, which<br />
also guarantees plenty of hot water. This is indicative of the energyefficient<br />
and green approach being taken to ensure all Van der Valk<br />
hotels are more sustainable.<br />
Featured products:<br />
THISION® L EVO DHW<br />
The THISION® L EVO DHW represents a<br />
significant step forward in heating technology.<br />
This DHW (Domestic Hot Water) version of<br />
the THISION® L EVO series is almost identical<br />
to that of the heating boiler, with the special<br />
feature that the components are made of<br />
316 stainless steel, allowing the DHW to flow<br />
directly into the boiler.<br />
High and sustainable performance<br />
Flexibility<br />
TRIGON® XL<br />
Energy efficiency and cost savings<br />
System schematic<br />
Let op!<br />
Het betreft hier een voorbeeld schema,<br />
hieraan kunnen geen rechten worden ontleend.<br />
Aansluiten en beveiligen volgens dewaterwerkbladen.<br />
The plant scheme<br />
Met het inregelventiel wordt de hoeveelheid ingeregeld,<br />
die deketel kan maken bij deopgegeven delta T<br />
TRIGON ® XL<br />
tapwaterketel<br />
TRIGON ® XL<br />
tapwaterketel<br />
BypassPomp Q1<br />
Systeem Pomp<br />
BypassPomp Q1<br />
Systeem Pomp<br />
Inregel ventiel<br />
Inregel ventiel<br />
Verdeler<br />
voeler<br />
Let op!<br />
De diameters van de gezamelijk leidingen tussen deketels en<br />
voorraadvat, dienen minimaal dezelfde afmetingen tekrijgen als de<br />
aansluitingen van het voorraadvat met een maximale lengte weerstand<br />
van 10mtr. Ketel aansluitingen dezelfde diameter als de ketel.<br />
HEATING: 3 x THISION® L EVO 100<br />
DHW: 2 x TRIGON® XL 200<br />
A complete service<br />
B10<br />
Hotel rooms have peak hot water demand.<br />
The system was required to meet this<br />
relatively short but high demand for hot<br />
water.<br />
QAZ 36<br />
DHW<br />
B3<br />
Tapwater-<br />
Voeler<br />
B31<br />
Tapwater-<br />
Voeler<br />
QAZ 36<br />
Koud water<br />
Aanvoer warmwater<br />
Circulatie<br />
Pomp<br />
WM<br />
Benefits<br />
TRIGON® XL 200<br />
THISION® L EVO 100<br />
THISION ®<br />
L EVO<br />
THISION ®<br />
L EVO<br />
31<br />
litres<br />
For single boiler<br />
heat exchanger<br />
9<br />
litres<br />
Water volume<br />
THISION ®<br />
L EVO<br />
28<br />
mg/kWh<br />
NOx level<br />
(annual emission<br />
EN15502)<br />
1:5<br />
Modulation<br />
(for single boiler)<br />
Naar verwarmingsgroepen<br />
Van verwarmingsgroepen<br />
110.4%<br />
Annual efficiency<br />
(NNG 40/30ºC)<br />
109.4%<br />
Annual efficiency<br />
(NNG 40/30ºC)<br />
HOTELS / MALLS<br />
EDUCATION / SPORTS<br />
INDUSTRY<br />
28<br />
29
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