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5.4 Accessories
Original accessories are available for HELIX range:
Designation
2x oval counterflanges, stainless steel 1.4301 (screwing) (PN16 – 1")
2x round counterflanges in stainless steel 1.4404 (screwing) (PN40 – DN25)
2x round counterflanges in steel (welding)
2x oval counterflanges in stainless steel 1.4301 (screwing) (PN16 – 1"
2x round counterflanges in stainless steel 1.4404 (screwing) (PN40 – DN32)
2x round counterflanges in steel (welding)
2x oval counterflanges in stainless steel 1.4301 (screwing) (PN16 – 1"
2x round counterflanges in stainless steel 1.4404 (screwing) (PN40 – DN40)
2x round counterflanges in steel (welding)
2x oval counterflanges in stainless steel 1.4301 (screwing) (PN16 – 2")
2x round counterflanges in stainless steel 1.4404 (screwing) (PN40 – DN50)
2x round counterflanges in steel (welding)
Bypass kit 25 bar
Bypass kit (with pressure gauge 25 bar)
Baseplate with dampers for pumps up to 5,5 kW
The use of new accessories is recommended.
6. Description and function
6.1 Product description
Fig. 1
1 - Motor connection bolt
2 - Coupling guard
3 - Mechanical seal
4- Hydraulic stage casing
5 - Impeller
6 - Pump shaft
7 - Motor
8 - Coupling
9 - Lantern
10 - Liner
11 - Flange
12 - Pump housing
13 - Base plate
Fig. 2, 3
1 - Strainer
2 - Pump suction valve
3 - Pump discharge valve
4 - Check valve
5 - Drain + priming plug
6 - Air bleed screw + Filling plug
7 - Tank
8 - Foundation block
10 - Lifting hook
6.2 Design of product
• The Helix pumps are vertical high pressure non-
self priming pumps with in-line connection
based on multistage design.
• The Helix pumps combine use of both high effi-
ciency hydraulics and motors.
• All metallic parts in contact with water are made
of stainless steel.
• For models equipped with heaviest motor (>40
kgs), a specific coupling allows to change the
Installation and operating instructions - Wilo-Helix V/FIRST 2-4-6-10-16
Article n
o
.
4016168
4016165
4016162
(PN40 – DN25)
4016169
1/4
)
4016166
4016163
(PN40 – DN32)
4016170
1/2
)
4016167
4016164
(PN40 – DN40)
4055063
4038589
4038588
(PN40 – DN50)
4146786
4146788
4157154
seal without removing the motor. A cartridge
seal is then used in order to ease maintenance.
• Special handling devices are integrated in order
to facilitate pump installation (Fig. 7).
7. Installation and electrical connection
Installation and electrical work in compliance
with any local codes and by qualified personnel
only.
WARNING! Bodily injury!
Existing regulations for the prevention of acci-
dents must be observed.
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-venti-
lated 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 solder-
ing work be done before installing the pump.
• Thoroughly flush the system out before
installing the pump.
- The pump must be installed in an easily acces-
sible position to facilitate inspection or replace-
ment.
- For heavy pumps, install a lifting hook (Fig. 2,
item 10) above the pump in order to ease its dis-
assembly.
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.
- 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 rub-
ber) to avoid any noise and vibration transmis-
sion into the installation.
WARNING! Risk of fall!
The pump must be correctly screwed to the
ground.
- Install the pump in a dry and frost-free place on
a flat concrete block using appropriate accesso-
ries. If possible, use an insulating material under
the concrete block (cork or reinforced rubber) to
avoid any noise and vibration transmission into
the installation.
CAUTION! Risk of parts inside the pump!
Take care to remove closure members of the
pump housing before installation.
English
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