
3.
Optional refill
If the fill level in the main tank sinks below a specified
level, then a second tank is employed to back up and re
fill the main tank. The pump used in this process must
also be equipped with a mechanism to prevent it from
running dry.
If this system is required, then the device must be sent to the manufacturer. There
follows an additional calculation.
Note:
The standard system control device may be equipped with a maximum of
one additional switch output point.
9 . General installation and assembly regulations:
It is necessary to these instructions when installing a rain water usage equipment:
EN 806:
-
Drinking water installation
-
Planning and implementation
-
Calculation of the pipe diameters
-
Using the equipment
EN 1717:
- free outlet between drinking and rainwater
-
Notification sign to inform that a rainwater usage system is installed
in the locality
-
Notification signs marking the rainwater outlets
-
Notification signs marking the rainwater installations network
-
Backflow prevention (e.g. a non-return/check valve)
-
Frost free installation
-
Reservoir/tank with air bleeding/ventilation
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