Vaillant 0010007381, Описание системы, руководство по установке и обслуживанию

Страница: 39 / 40

31
Installation and maintenance instructions auroSTEP plus 0020077748_FT1
12.2 Sensor characteristics
Cylinder sensors Sp1 and Sp2, Type NTC 2.7 K
Sensor characteristic Resistance value
0°C 9191 ohm
5 °C 7064 ohm
10 °C 5214 ohm
20 °C 3384 ohm
25°C 2692 ohm
30°C 2158 ohm
40°C 1416 ohm
50 °C 954 ohm
60°C 658 ohm
70 °C 463 ohm
80 °C 333 ohm
120 °C 105 ohm
Table 12.2 Characteristics of cylinder sensors Sp1 and Sp2
Collector sensor VR 11, Type NTC 10 K
Sensor characteristic Resistance value
-20 °C 97070 ohm
-10 °C 55330 ohm
-5 °C 42320 ohm
0°C 32650 ohm
5 °C 25390 ohm
10 °C 19900 ohm
15 °C 15710 ohm
20 °C 12490 ohm
25°C 10000 ohm
30°C 8057 ohm
35 °C 6532 ohm
40°C 5327 ohm
50 °C 3603 ohm
60°C 2488 ohm
70 °C 1752 ohm
80 °C 1258 ohm
90 °C 918 ohm
100 °C 680 ohm
110°C 511 ohm
120 °C 389 ohm
130 °C 301 ohm
Table 12.3 VR 11 collector sensor characteristics
12.3 Flat collector VFK 135 D
Units VFK 135 D
Absorber type
Serpentine horizontal
Dimensions (L x W x H)
mm 1233 x 2033 x 80
Weight
kg 37
Volume
l 1.34
Max. pressure
bar 10
Stagnation temperature
°C 200
Gross area
m
2
2.51
Aperture surface area
m
2
2.35
Absorber surface area
m
2
2.33
Absorber
mm
Aluminium (vacuum
coated) 0.5 x 1178 x
1978
Coating
High selective (blue)
α
= 95 %
ε
= 5 %
Glass covering
mm
3.2 (thickness) x 1233 x
2033
Glass type Solar safety glass (pris-
matic structure)
Transmission
%
τ
= 91
Back wall insulation
mm
W/m
2
K
kg/m
3
Mineral wool
(coated black)
40
λ
= 0.035
ρ
= 55
Edge insulation
none
Efficiency
η
o
% 80
Heat capacity
Ws/m
2
K 4152
Heat loss factor (k
1
)
W/m
2
K 3,7
Heat loss factor (k
2
)
W/m
2
K
2
0,012
Table 12.4 Technical data for VFK 135 D flat collector
1
0,8
η
0,6
0,4
0,2
0
0 0,02 0,04 0,06
T
m
* [m
2
K/W]
0,08 0,1
Fig. 12.1 Solar collector test in accordance with
DIN EN 12975-2:
Efficiency characteristic at an irradiation intensity of
800 W/m
2
, based on an aperture area of 2.35 m
2
Technical data 12