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5 Installation at Site
5.5 Electrical connection
DANGER
Electrical connection work by unqualified personnel
Danger of death from electric shock and explosion!
▷ Always have the electrical connections installed by an electrically qualified
person.
▷ Observe regulations and, for explosion-proof versions, .
WARNING
Incorrect connection to the mains
Damage to the power supply network, short circuit!
▷ Observe the technical specifications of the local energy supply companies.
NOTE
Installing a motor protection device is recommended.
5.5.1 Connecting the float switch
≤
Fig. 7: Switching points to be observed when fitting the float switch
1. Fasten the float switch to the conduit, e.g. with cable ties or hose clamps,
observing the switching points.
2. Route the power cable of the float switch to the system through the conduit.
3. Plug the float switch plug into the corresponding socket in the system control
unit. (ð Section 7, Page 27)
5.5.2 Connecting the system
1. Plug the connections of the pump control unit and the three-way valve into the
corresponding sockets in the system control unit. (ð Section 7, Page 27)
2. Check the available mains voltage against the data on the name plate.
3. Connect the system control unit to the power supply.
Hya-Rain Eco
10 cm
≈
20 cm
≤
10 cm
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