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Alignment and Pitch
To ensure the best use of the solar panel, we recommend collecting information on the appro-
priate alignment and pitch.
The optimal alignment (and, thus, optimal saturation) is obtained when the sun's beams strike
the surface of the solar unit at a right angle.
The optimal alignment depends on the location (latitude), as well as the desired
function.
There are marginal deviations within Germany.
However, there are considerable differences between Norway and Italy. Principally,
the following rules apply: The further South you are, the better the output will be with
horizontally mounted surfaces.
In Berlin, the maximum radiation can be obtained with surfaces pitched at 30°
aligned in a southerly direction, thus, approximately 100 % efficiency is possible at
this latitude.
Rear Ventilation
Ensure there is functioning ventilation of the solar panel. Thus, heat rises and a reduced output
are prevented. Furthermore, condensed water can dry better.
The colder it is, the better the efficiency of the solar cell.
A 65° warm solar panel on a south-facing wall generates approx. 60% of the power
that the same solar panel would generate at a temperature of 25° on a 30° pitched
south-facing roof.
Connection
For connecting the solar panels, only use cable extensions and plugs that are suit-
able for outdoor use and solar appliances.
Choose the correct cable cross-section to minimise the voltage drop (calculate the
minimum cable cross-section with a voltage drop max. 1% and minimum loading
capacity of 1.25 x off-load voltage and 1.25 x short-circuit current).
Only use appropriate UV resistant cable connectors when laying the connection
cables. Protect bare cables from damage by taking appropriate precautions (e.g. lay
in suitable plastic tubing).
Ensure you connect them with the correct polarity.
Maintenance and Cleaning
With an appropriate pitch (>15°), it is not necessary to clean the solar panel. In this case, self-
cleaning by rainfall is assured.
Significant contamination leads to a reduced output. In this case, we recommend cleaning with
water (garden hose) without cleaning agents. Use gentle cleansing materials (e.g. sponge) to
avoid scratch marks.
Examine the solar panel regularly for contamination.
Observe the following points concerning maintenance:
- Secure and protect all installation materials against corrosion.
- Correct connection, protection against corrosion and cleanliness of all cable connections.
- Examine the cable connection for visible damage.
- Check the earth resistance of the metals.
Disposal
Solar panels are hazardous waste. For disposal contact a local waste disposal point or waste
management company directly.
Technical Data
Order No.
11 07 00
Power:
max. 10 Wp
Open circuit voltage:
21 V
Short-circuit current:
0.95 A
Nominal voltage:
17.5 V
Nominal current:
0.572 A
Measurements (LxWxH): 925 x 315 x 23 mm
Weight:
4.5 kg
11 07 06
11 07 19
max. 20 Wp
max. 45 Wp
27 V
29 V
1.2 A
2.3 A
18 V
21 V
1.11 A
2.105 A
648 x 630 x 25 mm
1255 x 645 x 38 mm
7.1 kg
14.7 kg
These operating instructions are a publication by Conrad Electronic SE, Klaus-Conrad-Str. 1, D-92240
Hirschau (www.conrad.com).
All rights including translation reserved. Reproduction by any method, e.g. photocopy, microfilming, or
the capture in electronic data processing systems require the prior written approval by the editor.
Reprinting, also in part, is prohibited.
These operating instructions represent the technical status at the time of printing. Changes in
technology and equipment reserved.
© Copyright 2011 by Conrad Electronic SE.
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