Installation and operating instructions Wilo-ElectronicControl
26
English
7.2.2 Electric motor connection
The ElectronicControl shall be connected to the pump motor terminal according
to the wiring diagrams Fig 5 or Fig 6.
7.2.3 Electric connection of a dry running protection
The ElectronicControl can be provided with an additional dry running protection
such as dry contact (flow switch or others). See Fig. 7 for the connection.
8 Commissioning
CAUTION! Risk of health hazards!
Our ElectronicControl is tested in water. If any water remains inside it, for
hygiene reasons it is recommended to rinse it before any use in the potable
water network.
When switching on the ElectronicControl immediately carries out a diagnosis
that lasts 10 seconds and will display the type and version. The led
is on.
In case of a pump at suction, the priming of the pump shall be done manually
(manual mode). During the priming step (see operating instruction of the pump)
it may drive the pump at its maximum speed.
As soon as the pump is priming on, the ElectronicControl can be switched on
Automatic mode.
9 Maintenance
Maintenance and repairs shall only be carried out by qualified personnel!
DANGER! Risk of death!
When working on electrical equipments, there is a risk of fatal injury due to
electrical shocks.
Before any maintenance or repair works, switch off the unit/station (no volt-
age) and be sure it cannot be switched on again without any control. Gener-
ally only a qualified electrician is authorized to repair damaged connection
cables.
Before a frost period it is necessary to drain the ElectronicControl.
Every 6 month check the right operating of the installation:
• the pressure of the bladder tank,
• the tightness of the connections and
• the proper closing of the valve.
1_Wilo-ElectronicControl.book Seite 26 Montag, 11. Juli 2011 3:14 15
