Kairos XP 2.5-1V
Solar collector for forced circulation
/ Kairos XP 2.5-1 has a serpentine absorber that makes it suitable for big systems; / The blue selective surface treatment provides very high performances with the 95% absorbtion and only 5% reflection; / Kairos XP 2.5-1 o ers a very enjoyble design in its category, thanks to the accurate study of the lines, and of the external shape; / The new o-ring connection allows a very quick installation, even eliminating the risk to damage the hydraulic connection kit; / The special tempered glass with low content iron assures very high protection against the hail, and against the collector’s loading; / The technopolymer angle, that integrates the condensate exhaust and the flanged manifold outlet, ensures a more precise production process;
TECHNICAL DATA
KAIROS XP 2.5-1V
Empty mass
Kg
46
Working pressure
bar
6
Collector pipe diameter
mm
18
m 2
2.51
Gross surface
Amount of collector liquid
l
2.1
Absorption
%
95
Emission
%
5
m 2
2.26
Aperture surface
m 2
2.24
Absorbent surface
Specific thermic capacity
kJ/K
15.32
η 0
0.81*
W/m 2
K
3.13*
k
1
W/m 2 K 2
0.016*
k
2
T stagnation
°C
198
* data refers to the aperture area
Solar collector e ciency curve
1,0 0,9 0,8 0,7 0,6 0,5 0,4 0,3 0,2 0,1 0,0
P peak =1.832 W
KAIROS XP
2.5-1V
CODE
3020058
0,00 0,01 0,02 0,03 0,04 0,05 0,06 0,07 0,08 0,09 0,10
(T
-T
)/G K/(W/m 2 )
collector liquid average
environment
G = 1000 W/m 2
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