Installation and electrical connection
en
Installation and operating instructions Wilo-Vardo WEEDLESS-F
21
6.3.3
Mounting the cover cap
5
4
6
3
1
2
Fig. 11: Installing the cover cap
1
Hub
2
Groove for O-ring
3
Tie rod
4
Installation aid (steel rod, 2 pcs, 9 x 250 mm)
5
Cover cap
6
O-ring
‡
Propeller blades attached.
‡
Installation aid is to hand.
‡
Lubricant is to hand.
1. Cover the interior of the hub with water-resistant grease.
2. Lightly coat the O-ring with lubricant.
3. Place the O-ring in the groove.
4. Screw the
short threaded side
of the tie rod completely into the drilled hole in the
mixer shaft until hand-tight.
5. Screw the cover cap onto the tie rod until hand-tight.
CAUTION! If the O-ring is
not completely in the groove, the O-ring will be squeezed and the cover cap will
not be sealed!
6. Insert the installation aid into the holes on the cover cap and screw tight.
7. Remove steel rods and retain for future dismantling.
8. Check that the cover cap is firmly secured.
▶ Cover cap is installed. Make the electrical connection.
6.3.4
Environmental conditions after
installation
Flood the basin after installation.
Min. immersion in water: 1 m (3 ft).
This protects the
propeller against environmental influences such as direct sunlight or prolonged periods
of frost. If it is not possible to flood the basin, adhere to the storage requirements. See
“Storage [
}
15]”.
CAUTION! Environmental factors such as direct sun exposure or long periods of
frost can damage or destroy the elastomer components and coatings. If necessary,
pack the propeller in order to provide suitable protection.
6.4
Electrical connection
DANGER
Risk of death due to electrocution!
Improper conduct when carrying out electrical work can lead to death due to electric
shock! Electrical work must be carried out by a qualified electrician in accordance
with the locally applicable regulations.
NOTICE
Take note of additional literature!
To ensure proper use, additionally read and observe the manufacturer instructions.
ƒ
The mains connection must match the specifications on the motor’s rating plate.
ƒ
The customer must provide the connection cable and lay it in accordance with local
regulations.
ƒ
Earth the mixer in accordance with local regulations. The cross-section of the cable
must comply with local regulations.
6.4.1
Connecting the drive unit
For information on connecting the drive unit to the mains, consult the manufacturer’s
documentation!
6.4.2
Intermittent operation
The mixer is suitable for continuous duty. Intermittent operation is also possible. The
switch-on procedure must use a soft starter, depending on the switching frequency.
