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ETASUN

Product catalog summary

Product Overview
The EtaSun 20 is a flat solar collector designed for forced circulation systems. It features a slim design with a height of only 55 mm, making it suitable for various roof types, including both mounted and recessed installations. The collector is also compatible with drain-back systems.

Design and Installation
The EtaSun collector is available in two versions: a 2 sq.m vertical version and a 2.5 sq.m vertical/horizontal version. It is lightweight, with the 2 sq.m module weighing 29 kg and the 2.5 sq.m module weighing 36 kg, facilitating easy and safe handling. The quick coupling connections ensure easy installation and secure sealing.

Absorber Specifications
The absorber consists of a highly selective aluminum plate and a copper meander, capable of connecting up to 15 collectors. This design enhances the efficiency and effectiveness of the solar collector.

Technical Data

Absorption Coefficient: 95%
Emission Coefficient: 5%
Maximum Stagnation Temperature: 182.1°C
Panel Insulation Thickness: 32 mm
Inclination Range: 15° to 75°
Maximum Working Pressure: 6 bar
Test Pressure: 10 bar
Liquid Content: 1.43 liters
Efficiency: 77.4%
Coefficient a1: 4.145
Coefficient a2: 0.015
Absorber Surface: 1.89 sq.m
Gross Surface: 2.01 sq.m
Open Surface: 1.89 sq.m
Weight without Packaging: 29 kg
Dimensions: Width 1200 mm, Depth 55 mm, Height 1675 mm

Accessories
A range of accessories is available to ensure easy configuration and aesthetic integration of the system, while also ensuring safety during installation.

Catalog excerpts

ETASUN 20 Solar collectors for forced circulation systems Flat solar collector. forced circulation systems. Slim design Product specifications The new EtaSun collector measuring only 55 mm in height and elegantly designed, suits all types of roof, becoming an integral part of both mounted and recessed versions. Slim design. For outdoor and recessed (only mod. 20V). Quick coupling connections. Easy to install. It can be used also on drainback systems. Absorber It is made up of a highly selective aluminium plate and a copper meander with big size distribution collectors (connecting up to 15 collectors). Quick connection system A simple coupling makes installation easy and at the same time guarantees safety and seal. Dimensions The EtaSun collectors are available in 2 sq.m vertical version and in 2.5 sq.m vertical/horizontal version Light for an easy installation The modules are extremely light (2 sq.m module weights only 29 kg; 2.5 sq.m module only 36 kg) for a very easy and safe handling. ACCESSORIES The accessory range is carefully designed for an easy configuration of the system and to guarantee aesthetic and ensure safety during installation. Technical data Absorption coefficient (%)

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Weight without packaging (kg) 29

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*Prices are pre-tax. They exclude delivery charges and customs duties and do not include additional charges for installation or activation options. Prices are indicative only and may vary by country, with changes to the cost of raw materials and exchange rates.

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