Installation and electrical connection en
Installation and operating instructions Wilo-Helix V, FIRST V, 2.0-VE 22-36-52 17
WARNING
Electrical shock hazard
Dangers caused by electrical energy must be excluded.
7.1 Commissioning
Unpack the pump and dispose of the packaging in an environmentally-responsible
manner.
7.2 Installation
The pump must be installed in a dry, well-ventilated and frost-free place.
CAUTION
Possible damage of the pump!
Dirt and solder drops in to the pump body can effect the pump operation.
• It is recommended that any welding and soldering work be done before installing
the pump.
• Thoroughly flush the system out before installing the pump.
ƒ The pump must be installed in an easily accessible position to facilitate inspection
or replacement.
ƒ For heavy pumps, install a lifting hook (Fig. 2, item 10) above the pump in order to
ease its disassembly.
WARNING
Risk of accident by hot surfaces!
The pump must be positioned so that someone cannot come into contact with the
hot pump surfaces while operation.
ƒ Install the pump in a dry place protected from frost, on a flat concrete block using
appropriate accessories. If possible, use an insulating material under the concrete
block (cork or reinforced rubber) to avoid any noise and vibration transmission into
the installation.
WARNING
Risk of fall!
The pump must be correctly screwed to the ground.
WARNING
Risk of fall!
It is forbidden to remove the 4 screws securing the base plate (Fig.1, item 13) to the
pump housing (Fig.1, item 12) for pump versions with the material code 2 = Modular
pump housing Stainless steel 1.4409 (AISI 316L) .
ƒ Place the pump where it will be easy to reach, to facilitate inspection and removal
work. The pump must always be installed perfectly upright on a sufficiently heavy
concrete base.
WARNING
Risk of parts inside the pump!
Take care to remove closure members of the pump housing before installation.
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