5 Installation at Site
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Hya-Rain/Hya-Rain N
5.5.2.2 Connecting the power cable
Level control and level measurement are effected by a capacitive system. The sensor
delivered is supplied with a voltage of 12 V by means of the optional connection
cable; this voltage is not hazardous to humans. A 2-wire rubber-sheathed cable of
1 mm
2
to 1.5 mm
2
is appropriate as connection cable. Already routed float switch
power cables of up to max. 50 m length can be used for retrofitting.
1. Undo the nuts at the terminal box.
Fig. 12:
Undoing the nuts at the terminal box
2. Remove the terminal box from the system and open it.
Fig. 13:
Removing the terminal box from the system and opening it
3. Feed the stripped end of the power cable through the cable gland provided.
Make sure the cable gland is pointing down. Fasten it in this position.
Fig. 14:
Connecting the cable in the terminal box
4. Tighten the cable gland.
5. Close the terminal box.
6. Mount the terminal box on the system.
5.5.3 Connecting a booster pump (optional)
A booster pump can be connected if the suction lift or suction losses are larger than
7 mWC or the suction line has not been laid with a continuously rising slope. The
booster pump exclusively runs in rainwater mode and only when the pump set of the