Page
7 of 12
Summary of
EN12976-2
test results
Certification No.
078/000427
Annex to Solar KEYMARK Certificate
Issued
2025-02-17
Company
BDR THERMEA GROUP B.V.
Country NETHERLAND
S
Brand (optional)
BAXI
Website
http://www.bdrthermea.com
Street
KANAAL ZUID, 106
oscar.mongro@BDRThermea.co
m
Postal Code
7332 BD
APELDOORN (Güeldres)
Tel. / Fax +34 936828040
System family overview
For each storage and collector size, give number of collector
s
Collector nam
e
STS+ 150L
STS+ 200L
STS+ 300L
BAXI SLIM NEO 2.
0
1
1
2
BAXI SLIM NEO 2.
5
1
2
Name of system configuration
BAXI STS+ 300 2.
5
Collector name
BAXI SLIM NEO 2.5 No. Collectors
2
Storage name
STS+ 300L
Calculated annual results for "solar-only / preheat system"
Daily drawoff
l Daily drawoff
l Daily drawoff
l
Location
Qd,sh
250
300
400
Qd,hw QL
Qpar fsol
Qd,hw QL
Qpar fsol
Qd,hw
QL
Qpar fsol
Page
7 of 1
2
MJ/y
MJ/y
MJ/y
%
MJ/y
MJ/
y
MJ/y
%
MJ/y
MJ/y
MJ/y
MJ/y
%
Stockholm S
E
-
13939
7442
-
53
16746
8168
-
49
22327
8956
-
40
WürzburgD
E
-
13371
7506
Davos C
H
-
Summary of
-
56
15137
11006
-
73
16052
8389
-
52
EN12976-2
18165
12078
-
67
21413
9366
-
44
24220
test results
12898
-
5
3
Athens G
R
-
10407
8956
-
86
12488
10218
-
82
16651
Annex to Solar KEYMARK Certificate
12015
-
7
2
Qd,sh
Perf. indicators for the table above
Company
BDR THERMEA GROUP B.V.
Not relevant for solar domestic hot water syste
m
Brand (optional)
BAXI
MJ/y
Qd
MJ/y
QL
MJ/y
Qpar
MJ/y
fsol=QL/Qd
Ref. condition
s
G
kWh/m²
Certification No.
078/00042
7
Issued
2025-02-1
7
Country NETHERLANDS
Website http://www.bdrthermea.com
Annual heat demand for domestic hot water
Street
KANAAL ZUID, 106
oscar.mongro@BDRThermea.co
m
Annual heat energy delivered by the solar system
Annual parasitic energy: (electricity for pumps/controllers)
Postal Code
7332 BD
APELDOORN (Güeldres)
Tel. / Fax +34 936828040
-
Solar fractio
n
System family overview
For each storage and collector size, give number of collectors
STS+ 200L
STS+ 300
L
7,
4
1
1
2
Stockholm SE Würzburg DE
Davos CH
Athens GR
G
1.157
1.230
1.684
1.736
Ta,ave
7,5
9,0
3,2
18,
5
Tc,ave
8,5
10,0
Collector nam
e
5,4
6,4
3,0
0,8
Annual irradiation South, 45
°
BAXI SLIM NEO 2.
0
17,8
STS+ 150L
± ΔTc
Ta,ave
°C
Tc,ave
°C
Annual average outdoor air temperatur
e
BAXI SLIM NEO 2.
5
Annual average mains cold water temp.
1
2
ΔTc
K
Seasonal variation of Tc
Th
45 °C
Desired hot water temperature (mixing valve temperature).
Max. operating press. - collector side
250 kPa Max. operating press. - tank side
800 kP
a
Testing Laboratory
TÜV Rheinland Solar GmbH
Website
Test report id. number
www.tuv.com/sola
r
Name of system configuration
DE25J05Z 00
2
BAXI STS+ 300 2.5
Date of test report
2025-02-1
3
Collector name
BAXI SLIM NEO 2.5 No. Collectors
2
Storage name
STS+ 300
L
Test method
ISO 9459-5 (DST
)
Comments of test la
b
Calculated annual results for "solar-only / preheat system"
No comment
s
Location
Qd,sh
Daily drawoff
Qd,hw QL
l Daily drawoff
l Daily drawoff
l
Qpar fsol
250
300
40
0
Qd,hw QL
Qpar fsol
Qd,hw
QL
Qpar fso
l
All values are subject to some uncertainty; e.g. the uncertainty on system output is typically in the range of ± 5 % to ± 15 %
A
AE
EN
NO
OR
R
C
CO
ON
NF
FÍ
ÍA
A S
S.
.A
A.
.U
U.
.
Stockholm S
E
-
- Génova, 6. - 28004 - Madrid, España - Tel. 91 432 60 00– www.aenor.co
m
13939 7442
MJ/y
%
MJ/y
Version 4.5, 2017-10-2
4
MJ/y
MJ/y
%
MJ/y
MJ/y
MJ/y
%
MJ/y
MJ/y
MJ/
y
-
5
3
16746
8168
-
49
22327
8956
-
40
WürzburgD
E
-
Product certification body accredited by ENAC, number 1/C-PR27
1
13371
7506
-
56
16052
8389
-
52
21413
9366
-
44
Davos C
H
-
15137
11006
-
7
3
18165
12078
-
67
24220
12898
-
5
3
Athens G
R
-
10407 8956
-
86
12488
10218
-
82
16651
12015
-
7
2
Perf. indicators for the table above
Qd,sh
MJ/y
Not relevant for solar domestic hot water system
Qd
MJ/y Annual heat demand for domestic hot water
QL
MJ/y
Annual heat energy delivered by the solar syste
m
Qu= QL/AG
= 3595/(3,6 x 2,02) = 494,36 kWh/m2 (STS+ 150 2.0
)
Qpar
MJ/y Annual parasitic energy: (electricity for pumps/controllers
)
fsol=QL/Qd
-
Solar fraction
= 8389/(3,6 x 5,04) = 462,36 kWh/m2 (STS+ 300 2.5
)
Stockholm SE Würzburg DE
Davos CH
Athens G
R
G
1.157
1.230
1.684
1.73
6
Ref. conditions
I
a
= Ci x Q
u x Si
Ta,ave
7,5
9,0
3,2
18,
5
= (0,35 x 494,36 x 2,02) = 349,51 € (STS+ 150 2.0
)
Tc,ave
8,5
10,0
5,4
17,
8
= (0,35 x 462,36 x 5,04) = 815,60 € (STS+ 300 2.5
)
± ΔTc
6,4
3,0
0,8
7,
4
G
kWh/m² Annual irradiation South, 45
°
Ta,ave
°C
Annual average outdoor air temperature
Itot= n x I
Tc,ave
°C
Annual average mains cold water temp
.
a
= 349,51 x 2 = 699,03 € (STS+ 150 2.0)
ΔTc
K
Seasonal variation of Tc
Th
45 °C
= 815,60 x 2 = 1.631,20 € (STS+ 300 2.5
)
Desired hot water temperature (mixing valve temperature).
Max. operating press. - collector side
250 kPa Max. operating press. - tank side
800 kP
a
Testing Laboratory
TÜV Rheinland Solar Gmb
H
Website
www.tuv.com/sola
r
Test report id. number
DE25J05Z 002
Poiché la risultante è sempre < di 5.000 €, la somma verrà erogata in una singola rata.
Date of test report
2025-02-1
3
Test method
ISO 9459-5 (DST)
Nota: Il valore dell’incentivo erogato dal GSE dipende dalla spesa minima per i lavori ed infatti copre
fino al
spese dell’intervento
.
Comments of test lab
No comment
s
65% delle
All values are subject to some uncertainty; e.g. the uncertainty on system output is typically in the range of ± 5 % to ± 15 %
A
AE
EN
NO
OR
R
C
CO
ON
NF
FÍ
ÍA
A S
S.
.A
A.
.U
U.
. - Génova, 6. - 28004 - Madrid, España - Tel. 91 432 60 00– www.aenor.com
Product certification body accredited by ENAC, number 1/C-PR271
Version 4.5, 2017-10-24
32
