Solar collector ES2V 2,65S - mounted vertically. Area: 2,65m2 - Silver

Solar collector ES2V 2,65S - mounted vertically. Area: 2,65m2 - Silver

Catalog number: 1201|



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Collector's housing construction is based on firm frame bent from the special aluminium profile protected by anodizing. Housing is closed from the bottom with aluminium sheet, whereas the cover is made of special, high-transmission solar glass. The manner of fixing the glass ensures density of housing and minimizes the thermal tensions.

The main part of the collector is an absorber, the plate which is made of copper sheet covered with high selective coat eta plus or sunselect in order to ensure high level of solar radiation absorption, what results in obtaining high efficiency of the energy conversion process.

Absorber's plate is welded by ultrasonic welding, with the system of copper tubes, in which the medium circulates.

Heat losses were minimized by application of lower and lateral insulation made of mineral wool of low heat conduction.


Solar collectors  of the ENSOL company are listed on the BAFA index held by The Federal Office of Economics and Export Control in Germany, which enables gaining of surcharges in chosen European countries.

Flat collector: Symbol Unit Value
Width A [mm] 1120
Height B [mm] 2356
Depth C [mm] 85
Weight m [kg] 49
Surface S [m2] 2,65
Optical efficiency ηo [%] 82,4
Coefficient a1 [W/(m2K)] 2,905
Coefficient a2 [W/(m2K2)] 0,030
Connection: Cu Ø [mm] 22
Housing Al profile
Cover Prismatic solar glass 4mm
Type Cu sheet 0,2 mm thick
Selective layer Tinox eta plus
Technology Ultrasonic welding
Absorption coefficient α [%] 95
Emission coefficient ε [%] 5
Width a [mm] 1060
Height b [mm] 2299
Surface Sb [m2] 2,44
Netto surface Sn [m2] 2,44
Liquid content V [dm3] 2,2
Balance temperature Tr [ºC] 208
Guaranteed minimal
thermal output
Insulation Mineral wool
Conduction coefficient λ [W/mK] 0,035
Insulation layer thickness:
Lower d [mm] 40
Lateral d1 [mm] 10
Research report TÜV Köln 21214977_EN_R/P
Solar Keymark 011-71556 F

Product specification

Collector efficiency 82 %
Collector surface 2,65 m²
Height 2356 mm
Width 1120 mm
Thickness 85 mm
Weight 49 kg


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