Electrical Wiring - Motralec Wilo-IPL Einbauanleitung Und Betriebsanleitung

- Any mounting position except „motor downwards" is allowed.
The mounting position with horizontal motor shaft of the IPL and DPL range is per-
missible for pumps with
Mounting positions: IPL
The motor terminal box must not face downwards. If necessary, the motor or the mo-
tor impeller unit can be turned after removing the screws.
ATTENTION! When turning, take care not to damage the housing o-ring.
ATTENTION! When sucking from tank make sure that the level of liquid is always
ATTENTION! For units which are be insulated, only the pump housing may be insu-

5.2 Electrical wiring

All electrical wiring to be carried out by qualified and licensed electricians in strict
conformity to ruling local regulations.
- All wiring and external gear must comply with ruling regulations (use of cables, all-
pole switches, air gaps, etc. in accordance with the latest edition of IEE wiring regula-
tions).
- For protection against drip water and to ensure a firm gland grip the mains supply ca-
ble must be of sufficiently large size. The position of the cableentrance in electrical
connection box of the motor or the cableposition has to protect the electrical connec-
tion box against drip water.
- Heat-resistant power cable must be used for pumps in systems with water tempera-
tures above 90°C.
- The power cable must be routed in such a way to avoid any contact with pipework
and/or pump/motor housings.
- Check available mains power supply and voltage.
- Observe motor name plate data.
- Mains power supply fuses: depending on motor full-load current.
- The pump/installation must be earthed in compliance with the applicable regulations.
- The power wiring diagramm is inside the terminal box cover (see also Fig.3).
- Secure the motor with a motor-protection or thermal relays.
Setting the thermal relays:
DOL-Starting: Set to FLC-level according to motor name plate data.
Y- -Starting: If the overload controller is wired into the input side to the
contactor combination the setting is done as for DOL-starting. If the overload control-
ler is wired into one of the leads to the motor (U1/V1/W1 or U2/V2/W2) its setting
must be adjusted to 0.58 x FLC.
- Special motors can be supplied with PTC thermal sensor, which must be connected to
the PTC trip relay.
ATTENTION! Terminals must not be connected to a voltage over 7.5V, a higher volt-
7,5 kW motor power.
see Fig. 1
DPL see Fig. 2
above the pump suction port to avoid dry-running of the pump.The
minimum inlet pressure must be maintained.
lated, not the lantern and the motor.
age will damage the PTC-sensors.
ENGLISH
Y- -
17