7 Operation
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Hya-Rain/Hya-Rain N
7.2 Mode of operation
7.2.1 Automatic mode
Symbol:
▪
The pump set withdraws the fluid handled from the rainwater storage tank and
pumps it into the consumer system. It is controlled by the pump control unit.
– The
rainwater mode
lamp is lit in the operating mode indicator.
▪
The pump set is in operation as long as consumer installations (e.g. toilet flush
box, washing machines, garden watering systems) are open. When the consumer
installations are closed, the pump set will continue to run for approx. 10 seconds
and will then automatically stop.
▪
When the rainwater storage tank is empty, the pump control unit switches to
mains water mode
. As long as the pump set is running, mains water will be
supplied via the float valve. The quantity of mains water supplied will not exceed
current actual requirements. The mains water flow rate depends on the inlet
pressure of the public water supply system.
– The
mains water mode
lamp is lit in the operating mode indicator.
▪
The system will return to
rainwater mode
as soon as the water level in the
rainwater storage tank has risen back up to the minimum level.
7.2.2 Mains water mode (manual mode)
Symbol:
▪
The system exclusively withdraws mains water, even if the rainwater storage tank
is filled.
– The
mains water mode
lamp is lit in the operating mode indicator.
▪
For replacing the mains water in the mains water storage tank or when the
rainwater storage tank requires some maintenance.
7.2.3 Rainwater mode (manual mode)
Symbol:
▪
The system exclusively withdraws rainwater until the rainwater storage tank is
empty.
– The
rainwater mode
lamp is lit in the operating mode indicator.
▪
The dry running protection may trip the pump set.
– This mode can be used to pump the rainwater storage tank dry.
