Solar Collector Specifications - Baxi MULTIFIT Evacuated Tube Collector Kit Instructions

Evacuated tube collector 10 tube additional pitched roof kit
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Fig. 2
B
Table of dimensions (mm)
20 tube
A
1418
B
1996
C
1475
D
97
All dimensions shown in mm
Fig. 3
40
35
30
25
20
15
10
5
0
0
2
4
© Baxi Heating UK Ltd 2011
C
A
10 tube
1209
1996
737.5
97
4
6
Flow Rate (l/min)
2.0

Solar collector specifications

D
2.1
Technical Data
Gross area:
Net area:
Weight:
Fluid Volume:
Pressure:
Absorption:
Emission:
Stagnation temp:
Glass:
Light transmittance: >90.8% ± 2%
Coefficients of efficiency (20 & 10 tubes)
(determined in the sun simulator SUSI 1)
= o - a 1 .(t m - t a )/G - a 2 .(t m - t a )
Based on:
o =
a 1 =
a 2 =
8
20 tube
10 tube
2.83m
1.45m
2
2
2.00m
1.076m
2
2
54.8 kg
27.4 kg
3.8 litres
1.9 litres
8 bar
8 bar
95%
95%
5%
5%
286°C
286°C
65mmØ Low-iron - transmission 0.92
/G
2
aperture area
absorber area
0.773
0.830
1.43 W/m
K
1.53 W/m
2
0.0059 W/m
K
0.0063 W/m
2
K
2
K
2

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