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Welcome To The New age of Solar!
		Compound Parabolic Hydronic Solar Collectors Up to 30% more efficient than standard evacuated tube collectors Our CPC 18 solar collector has an integrated compound parabolic reflector to capture the suns energy and utilize the total surface area of the evacuated tube for energy absorption. This increases.
Specifications:
Number of tubes	18	Weight	119 lbs
Collector Height	64 ½”	Maximum Operating Pressure	145 psi
Collector Width	82”	Maximum Standstill Temperature	563 °
Gross Surface Area	37.7 sq. ft.	Pressure Loss at .19 gpm	.48 psi.
Aperture Area	32.3 sq. ft.	Pressure Loss at .52 gpm	1.39 psi
Fluid Capacity	.64 gal	Collector connection size	15 mm

Material, collector		Al / Cu / glass / silicone / PBT / EDPM / TE
Material vacuum tube		Borosilicate 3.3
Selective absorber layer		Aluminum nitrate
Vacuum tube (out/in diameter./ wall thickness / tube length )		1.85 / 1.45 /.062 / 59.05
Color ( aluminum frame profiles)		Natural aluminum
Color (plastic parts)		Black
Heat medium		Water in closed solar circuit

The following results were obtained from a test of thermal performance according to EN 12975-2:2001

Test results (using Tyfocor LS as heat transfer medium)

Coefficients of efficiency (based on aperture area of 1.987 m²)

Ŋ0 = 0.661

ª1 = 0.82 w/m²K

ª2 = 0.0064 W/m²K

Thermal Capacity

cj.2 = 8.3 kJ / (m²K)

Cj.2 = 16.4 kJ /K

Nomenclature:

ª1 heat loss coefficient, independent from temperature

ª2 heat loss coefficient, depending on temperature

Aa aperture area

cj.2 heat capacity of collector related to aperture area

Cj.2 heat capacity of collector

Ŋ0 efficiency at tm-ta =0 (conversion factor)