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__________________________Technical Director Print Date: November 27, 2018 of 4

Please verify certification is active on the SRCC website www.solar-rating.org.© Solar Rating & Certification Corporation™ (ICC-SRCC) 3060 Saturn Street, Suite 100, Brea, CA 92821

OG-100 ICC-SRCCTM CERTIFIED SOLAR COLLECTOR # 10002082

Supplier:SAMMLER B MICHALOPOULOS AEBECHIOU 18ASPROPYRGOS, ATHENS 19300 GreeceReference Standard:ICC 901/SRCC Standard 100-2015

Brand: SAMMLERModel: ARIS2504Collector Type: Glazed Flat PlateCertification #: 10002082Original Certification: November 26, 2018Renewal Expiration Date: November 30, 2019Certifications must be renewed annually.

This solar collector has been evaluated and certified by the Solar Rating & Certification Corporation™ (ICC-SRCC™), an ISO/IEC 17065 accredited and EPArecognized Certification Body, in accordance with the SRCC OG-100 Certification Program, as defined in SRCC OG-100, Operating Guidelines and MinimumStandards for Certifying Solar Collectors. This award of certification is subject to all terms and conditions of the current OG-100 Program Agreement and thedocuments incorporated therein by reference. This document must be reproduced in its entirety.

COLLECTOR THERMAL PERFORMANCE RATINGSKilowatt-hours (thermal) Per Panel Per Day Thousands of Btu Per Panel Per Day

Climate -> High Radiation(6.3 kWh/m².day)

Medium Radiation(4.7 kWh/m².day)

Low Radiation(3.1 kWh/m².day)

Climate -> High Radiation(2000 Btu/ft².day)

Medium Radiation(1500 Btu/ft².day)

Low Radiation(1000 Btu/ft².day)Category

(Ti-Ta)Category(Ti-Ta)

A (-5 °C) 10.8 8.2 5.6 A (-9 °F) 36.8 27.9 19.1B (5 °C) 9.6 7.0 4.4 B (9 °F) 32.8 23.9 15.1C (20 °C) 7.9 5.4 2.9 C (36 °F) 27.0 18.3 9.8D (50 °C) 5.0 2.7 0.6 D (90 °F) 16.9 9.1 2.2E (80 °C) 2.5 0.7 0.0 E (144 °F) 8.5 2.3 0.0

TECHNICAL RESULTS Tested in accordance with: ISO 9806:2013ISO Efficiency Equation [NOTE: Based on gross area and (P)=Ti-Ta]SI UNITS: η= 0.699 - 4.23970(P/G) - 0.00310(P²/G) Y Intercept: 0.701 Slope: -4.512 W/m².°CIP UNITS: η= 0.699 - 0.74722(P/G) - 0.00030(P²/G) Y Intercept: 0.701 Slope: -0.795 Btu/hr.ft².°FIncident Angle Modifier

θ 100 200 300 400 500 600 700

Kτα 1.00 0.99 0.97 0.94 0.89 0.81 0.64Impact Safety Rating: 11

COLLECTOR SPECIFICATIONSGross Area: 2.516 m² 27.08 ft² Dry Weight: 45.0 kg 99.2 lbNet Aperture Area: 2.295 m² 24.70 ft² Fluid Capacity: 1.7 liter 0.4 galREMARKS:

Print Date: November 27, 2018 of 4Please verify certification is active on the SRCC website www.solar-rating.org.

© Solar Rating & Certification Corporation™ (ICC-SRCC) 3060 Saturn Street, Suite 100, Brea, CA 92821



Brand: SAMMLERModel: ARIS2504Collector Type: Glazed Flat PlateCertification #: 10002082Original Certification: November 26, 2018Renewal ExpirationDate:

November 30, 2019

Certifications must be renewed annually.

This solar collector has been evaluated and certified by the Solar Rating & Certification Corporation™ (ICC-SRCC™), an ISO/IEC 17065accredited and EPA recognized Certification Body, in accordance with the SRCC OG-100 Certification Program, as defined in SRCC OG-100,Operating Guidelines and Minimum Standards for Certifying Solar Collectors. This award of certification is subject to all terms and conditions ofthe current OG-100 Program Agreement and the documents incorporated therein by reference. This document must be reproduced in itsentirety.

ADDITIONAL INFORMATION (click here to return to the rating page)COLLECTOR TESTING INFORMATIONTest Lab: SPF Institut für Solartechnik Test Date: February 11, 2016Test Report Number: C1703LPEN-A1 Test Location: outdoorsTest Fluid: Ethylene glycolTest Mass Flow Rate: 0.0200 kg/(s m²) 14.75 lb/(hr ft²) Test Pressure: 1500 kPa 218 psi

SOLAR COLLECTOR CONSTRUCTION DETAILSGross Length: 2.037 m Gross Width: 1.235 m Gross Depth: 90.000 mm

COLLECTOR MATERIALSOuter Cover: Glass sheet Enclosure back: Other Back Insulation: Fiber, NoneInner Cover: None Enclosure side: Aluminum Side Insulation: None, NoneAbsorber Description: Tubes connected to Fins Flow Pattern: Parallel/HarpRiser Tube: Copper Fin: AluminumAbsorber Coating: Selective Tube to fin connection Laser Weld

GLAZING Outer Cover Inner CoverMaterial: Glass sheet NoneSurface Characteristics: SmoothThickness: 3.2 mm N/ATransmissivity: High (equal to or greater than 90%)Length: 2.000 mWidth: 1.200 mTube Glazing to Header Enclosure Seal: Silicone bead

ABSORBER: Absorber Coating: Selective






November 30, 2019



Header Material: Copper Header OD: 22.0 mm Header Wall: 0.7 mmRiser Tube Material: Copper Riser Tube OD: 8.0 mm Riser Tube Wall

Thickness:0.4 mm

Fin Material: Aluminum Fin Thickness: 0.50 mm

Flow Pattern: Parallel/HarpNumber of RiserTubes:

11 Tube Spacing: 1950.0 mm Number of timeseach riser crossesthe absorber:

1

Length of Flow Path: 1.29 m Riser to Fin/PlateBond:

Laser Weld

INSULATION:Location Type Thickness Location Type Thickness

Back – Top Layer: Fiber 40.0 mm Sides – Inner Layer: NoneBack – Bottom Layer: None Sides – Outer Layer: NoneEnclosure Fastening Methods: Mechanical Forming

Power Output per Collector(W)[ Ti-Ta, G = 1000 W/m² ]

0 10 30 50 701733 1627 1413 1199 986

PRESSURE DROPFlow ΔP Flow ΔPml/s Pa gpm in H₂020 224 0.32 0.950 565 0.79 2.380 914 1.27 3.7



ICC-SRCC OG-100 Certification Label

The collectors listed in this certification must display the label below.The certification label must be permanently affixed to each collector in accordance with SRCC OG-100 program requirements.

This product certified by theSolar Rating & Certification Corporation™

www.Solar-Rating.org

ICC-SRCC Certification Number: 10002082

High Solar Radiation ClimateRating in Category C

7.9 kWh/day 26.97 kBtu/day




November 30, 2019



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