Installation Of A Threaded Pipe Union Pump; Installation Of A Flange-End Pump - Wilo Yonos PARA High Flow Série Notice De Montage Et De Mise En Service

CAUTION! Risk of damage to property!
Contamination from the pipe system can destroy the pump during operation. Before
installing the pump, flush the pipe system.
• Provide check valves upstream and downstream of the pump.
• Attach piping to the floor, ceiling or wall using appropriate fittings so that the pump does
not bear the weight of the piping.
• When installing in the feed of open systems, the safety supply must branch off upstream of
the pump (DIN EN 12828).
• Install the pump at an easily accessible point so that it can be easily checked or replaced at
a later time.
• Precautions during installation:
• Perform assembly so that the pump shaft is horizontal and not under strain (see the
installation positions shown in fig. 2).
• Make sure that it the pump is installed in a permissible installation position and with the
correct flow direction (compare with fig. 2). The direction-of-flow symbol on the pump
housing (fig. 1a; item 2.1) indicates the direction of flow. If required, turn the motor
including control module, see section 9.1.
CAUTION! Risk of damage to property!
If the module is in a position that is not permitted, there is a risk of water drips enter-
ing the module. The module is not allowed to be positioned with the cable connection
pointing upwards!

7.1.1 Installation of a threaded pipe union pump

• Install appropriate threaded pipe unions before installing the pump.
• Use the supplied flat gaskets between the suction/pressure ports and threaded pipe
unions when installing the pump.
• Screw union nuts onto the threads of the suction/pressure ports and tighten them using
an open-end wrench or pipe wrench.
CAUTION! Risk of damage to property!
Do not counter the pump on the motor/module when tightening the screwed connec-
tions. Apply the wrench surfaces to the suction/pressure port instead (fig. 3a).
• Check the threaded pipe unions for leaks.

7.1.2 Installation of a flange-end pump

Installation of pumps with combination flange PN6/10 (flange-end pumps DN 40 and DN 50).
WARNING! Risk of injuries to personnel and property damage!
The flange connection can be damaged and develop leaks if the pump is not installed
correctly. There is a risk of injury and damage to property due to hot fluid escaping.
• Never connect two combination flanges to each other!
• Pumps with combination flanges are not suitable for PN16 operating pressures.
• The use of securing elements (e.g. spring rings) can result in leaks at the flange con-
nection. They are therefore not permitted. The washers supplied (fig. 3b, item 1) must
be inserted between screw/nut heads and the combination flange.
• The permissible tightening torques listed in the table below must not be exceeded,
even if screws of higher strength ( ≥ 4.6) are used, since otherwise splintering can
occur at the edges of the long holes. This causes the screws to lose their pretension
and the flange connection can become leaky.
• Use screws of sufficient length. The screw thread must protrude at least one thread
turn beyond the nut (fig. 3b, item 2).
Installation and operating instructions Wilo-Yonos PARA High Flow
English
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