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Annex to Solar Keymark Certificate

Page 1/2

Annex to Solar Keymark Certificate - Summary of EN 12975-2

Test Results

Licence Number

SC0140-18

Date issued

2018-03-16

Issued by

RISE

Licence holder

Cordivari S. R. L.

Country

Italy

Brand (optional)

CVT

Web

http://www.cordivari.it/

Street, Number

Zona Industriale Pagliare – 64020 morro d’oro

E-mail

info@cordivari.it

Postcode, City

Teramo

Tel

+39 085 80401

Collector Type

Evacuated tubular collector

Collector name

Power output per collector

Gb = 850 W/m2; Gd = 150 W/m2

θm - θa

0K

10 K

30 K

50 K

70 K

64 K

m2

mm

mm

mm

W

W

W

W

W

W

CVT10

2,17

1 917

1 130

133

1 175

1 147

1 088

1 021

947

970

CVT15

3,22

1 917

1 680

133

1 743

1 703

1 614

1 515

1 406

1 440

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

0

Power output per m2 gross area

541

529

501

471

437

447

Performance parameters test method

Steady state - outdoor

Performance parameters (related to AG)

η0,hem

a1

a2

Units

-

W/(m2K) W/(m2K2)

Test results

0,541

1,212

0,004

0,180

0,000

0,000

0,910

Incidence angle modifier test method

Quasi dynamic - outdoor

Bi-directional incidence angle modifiers

Yes

Incidence angle modifier

Angle

10°

20°

30°

40°

50°

60°

70°

80°

90°

Transversal

Longitudinal

K

θT,coll

K

θL,coll

1,03

1,05

0,95

1,18

0,00

0,00

Heat transfer medium for testing

Water

Flow rate for testing (per gross area, A

G

)

dm/dt

0,020

kg/(sm2)

Maximum temperature difference for thermal performance calculations

m

a

)

max

64

K

Standard stagnation temperature (G = 1000 W/m2; θ

a

= 30 °C)

θ

stg

280

°C

Effective thermal capacity, incl. fluid (per gross area, A

G

)

C/m

2

3,17

kJ/(Km

2

)

Maximum operating temperature

θ

max_op

120

°C

Maximum operating pressure

p

max,op

1000

kPa

Testing laboratory

TestLab A

-

Test report(s)

131016040GZU-001

Dated

2014-01-07

Comments of testing laboratory

Datasheet version: 5.01, 2016-03-01

Negative mechanical load test of collector was not performed

Certification Body: RISE Research Institutes of Sweden | Certification

Box 857, SE-501 15 Borås, Sweden, Phone:+46 10 516 50 00, certifiering@ri.se | www.ri.se

Annex to Solar Keymark Certificate

Page 2/2

Annex to Solar Keymark Certificate

Supplementary Information

Licence Number

SC0140-18

Issued

2018-03-16

Annual collector output in kWh/collector at mean fluid temperature θ

m

, based on EN 12975-2 test results

Collector name

Standard Locations

Athens

Davos

Stockholm

Würzburg

CVT10

θ

m

25°C

1 998

50°C

1 716

75°C

1 435

25°C

1 682

50°C

1 418

75°C

1 171

25°C

1 212

50°C

992

75°C

796

25°C

1 304

50°C

1 069

75°C

854

CVT15

2 965

2 546

2 129

2 496

2 105

1 738

1 798

1 472

1 181

1 935

1 586

1 267

Annual output per m2 gross area

921

791

661

775

654

540

558

457

367

601

493

393

Fixed or tracking collector

Fixed (slope = latitude - 15°; rounded to nearest 5°)

Annual irradiation on collector plane

1765 kWh/m2

1714 kWh/m2

1166 kWh/m2

1244 kWh/m2

Mean annual ambient air temperature

18,5°C

3,2°C

7,5°C

9,0°C

Collector orientation or tracking mode

South, 25°

South, 30°

South, 45°

South, 35°

The collector is operated at constant temperature θm (mean of in- and outlet temperatures). The calculation of the annual

collector performance is performed with the official Solar Keymark spreadsheet tool Scenocalc Ver. 5.01 (March 2016). A detailed

description of the calculations is available at www.solarkeymark.org/scenocalc

Additional Information

Collector heat transfer medium

Water-Glycole

Hybrid Thermal and Photo Voltaic collector

No

The collector is deemed to be suitable for roof integration

The collector was tested successfully according to EN ISO 9806:2013 under the following conditions:

No

Climate class (A, B or C)

C

--

Maximum tested positive load

2860

Pa

Maximum tested negative load

-

Pa

Hail resistance using steel ball (maximum drop height)

0,8

m

Energy Labelling Information

Reference Area, A

sol

(m

2

) Data required for CDR (EU) No 811/2013 - Reference Area A

sol

CVT10

2,17

CVT15

3,22

Collector efficiency (η

col

)

49

%

Remark: Collector efficiency (η

col

) is defined in CDR (EU) No

811/2013 as collector efficiency of the solar collector at a

temperature difference between the solar collector and the

surrounding air of 40 K and a global solar irradiance of 1000

W/m2, expressed in % and rounded to the nearest integer.

Deviating from the regulation η

col

is based on reference area

(A

sol

) which is aperture area for values according to EN 12975-2

or gross area for ISO 9806:2013.

Data required for CDR (EU) No 812/2013 - Reference Area A

sol

Zero-loss efficiency (η

0

)

First-order coefficient (a

1

)

Second-order coefficient (a

2

)

Incidence angle modifier IAM (50°)

Remark: The data given in this section are related to collector

reference area (A

sol

) which is aperture area for values according

to EN 12975-2 or gross area for ISO 9806. Consistent data sets for

either aperture or gross area can be used in calculations like in the

regulation 811 and 812 and simulation programs.

0,541

--

1,21

W/(m2K)

0,004

W/(m2K2)

0,00

--

Certification Body: RISE Research Institutes of Sweden | Certification

Box 857, SE-501 15 Borås, Sweden, Phone:+46 10 516 50 00, certifiering@ri.se | www.ri.se

CERTIFICATO SOLAR KEYMARK

CERTIFICATO SOLAR KEYMARK

Certificato di conformità alimentare del POLYWARM

®

- Attestation

de Conformité Sanitaire - France

CERTIFICATO SOLAR KEYMARK

165

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