CALPAK MARK4 - Technical Characteristics of Calpak Mark4 Collectors

THERMOSIPHONIC SOLAR WATER HEATERS / TECHNICAL DOCUMENTATION / PAGE 4
II) TECHNICAL CHARACTERISTICS
Technical
data
M4 flat plate selective collectors
Type
M4-200 M4-210 M4-260 M4-260H M4-300 M4-300H
Gross area
(m²)
2.04 m
2
2.13 m
2
2.64 m
2
2.64 m
2
3.00 m
2
3.00 m
2
Absorber
area (m²)
1.83 m
2
1.92 m
2
2.40 m
2
2.40 m
2
2.80 m
2
2.80 m
2
Aperture
area (m²)
1.87 m
2
1.96 m
2
2.44 m
2
2.44 m
2
2.83 m
2
2.83 m
2
W x L x H
(mm)
986*2071*86 1244*1711*86 1244*2121*86 2121*1244*86 1502*1996*86 1996*1502*86
Weight (kg) 34,5 36 48 49 50 51
Absorber
capacity (l)
1,6 1,6 1,8 2,2 2,1 2,4
Housing aluminum frame
Absorber Selective aluminum
Absorption 95 + 2
Emission (%) 4 + 2
Number of
tubes
9 11 11 18 14 18
Absorber
tube Dia.
8 mm
Glass 3.2 mm low iron mistlite tempered glass
Transmittance
of glass (%)
>0,90
Insulation 40 mm Rockwool, density 50kgr/m
3
Stagnation
temp at 1000
W/m² and
30C
177,6 C
Max.operating
pressure (bar)
10