English
24
WILO SE 11/2013
• When opening the housing punch stampings, wear protective
gloves to protect your hands from sharp edges.
To open the punch stampings, use a slotted screwdriver with
a 5.5 mm blade, a 300 g hammer as well as a deburrer.
To open the pre-punched holes, place the screwdriver blade
perpendicular on the marked edge of the inner punch stamping
(Fig. 5a) and punch the punch stamping out with a light ham-
mer tap on the head of the screwdriver (Fig. 5b).
CAUTION! Risk of damage to property!
Improper work on the housing can result in property damage
(Fig. 5c).
• Damage to the housing (cracks) can lead to leaks.
• Burrs on the breakouts can impair the mounting of the
threaded cable connections. To use safely, deburr the break-
throughs.
Use the threaded cable connections (M16) included in delivery
as needed and fasten to the housing.
7.2
Electrical connection
DANGER! Risk of fatal accident!
A fatal shock may occur if the electrical connection is not
made correctly.
• Only allow the electrical connection to be made by an electri-
cian approved by the local power supply company and in
accordance with the local regulations in force.
• Observe the installation and operating instructions for the
pumps and accessories.
• Disconnect the power supply before any work.
• Check to ensure that all connections (including potential-
free contacts) are voltage-free.
