10
35-50°
Betriebsempfehlungen
Operating tips
Consigli per la messa in funzione
Recommandations d’emploi
Recomendaciones para el funcionamiento
EN
Flushing and charging
For safety reasons, charging is to be carried out only when there is no direct sunlight or when the collectors are
covered. Especially in areas liable to freezing, an anti-freeze/water mixture of up to 42% must be used. To pro-
tect materials from excessive thermal load, the system should be charged and commissioned as soon as possi-
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to prevent leaks.
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natively, the pressure test can also be carried out using compressed air and leak detection spray.
Installing the temperature sensor
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re optimal contact between the sensor and the surrounding environment, the gap between the sensor sleeve
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temperature sensors (sensor element, conducting compound, cables, sealing and insulating materials) must be
suitably temperature resistant (up to 250° C).
Operating pressure
The maximum operating pressure is 10 bar.
Bleeding
The system must be bled:
–
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– 4 weeks after commissioning
– when necessary, e.g. if there are malfunctions
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When bleeding the system, the collectors must not be hot! Cover the collectors and, if possible, bleed the sys-
tem in the morning.
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–
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Target value is ca. - 25° C and - 30° C depending on climatic conditions.
– Check pH value with a pH indicator rod (target value approx. pH 7.5):
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Maintenance of the collector
The collector or the collector array must be inspected visually, once a year, for any damage, leaks and conta-
mination. Condensate can form in the collector after commissioning and during times of the year with strong
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