8
Wilo-WiBooster - Installation and Operation Manual
6 Installation
6.1
Installation location
•
Adequately dimensioned floor drainage must be
provided in the installation room.
• Location must be free from harmful or combustible
vapors.
• Adequate space must be provided for maintenance
work and the installation should be freely accessible
from at least two sides.
•
The installation surface must be horizontal and flat.
• The system is designed for an ambient temperature
range of 32°F to 104°F with a relative atmospheric
humidity of 50%.
• Installation and operation should be in a secure space,
away from living and sleeping quarters
6.2
Foundation/bearing surface
The Wilo-WiBooster pressure booster is constructed for
installation on flat concrete floors. The base frame is
mounted on height-adjustable vibration dampers to prevent
structure-borne noise.
NOTE!
The vibration dampers will not be fitted when the
equipment is delivered for transport reasons. Before
installing the Wilo-WiBooster pressure booster, check
whether all the vibration dampers are fitted and locked by
the threaded nut. If additional onsite adjustment is required,
measures must be taken to avoid structure-borne noise.
6.2.2
Hydraulic connection and pipes
• When connecting to the public potable water main, the
requirements of the local water supply company must
be met.
•
Perform all the welding or soldering work and then flush
the system. If necessary, disinfect the piping system
and the boosting system before connecting the system.
• The system pipework must be free of pipe strain.
Flexible connecter lines are recommended to avoid
stress on the pipe connections and to minimize the
transmission of system vibration to the building
installation. In order to prevent the transmission of
structure-borne noise to the building, do not secure the
pipe clamps to the Wilo-WiBooster manifolds.
• The connection is made either on the right or left of
the system, depending on the site conditions. It may be
necessary to move blind flanges or thread caps that are
already fitted.
•
The flow resistance of the suction pipe must minimized
through ample diameter and straight, short, pipe runs,
in order to prevent low suction pressure faults during
high-volume pumping.
Observe NPSH requirements of
the system.
6.2.3
Hygiene
When used for potable water applications, the complete
potable water supply system has to be transferred to
the operator in a perfectly hygienic condition, flushing if
necessary and also disinfecting under some circumstances.
WARNING!
Contaminated potable water is a health hazard! Flushing
the pipes and the system reduces the risk of adversely
affecting the potable water quality. The water must
be completely replaced after a long period of system
standstill.
DANGER!
The Wilo-WiBooster must be de-energized during the
flushing process!
For the simple flushing of the system prior to start-up, Wilo
recommends removing the ¾” NPT plug on the top of the
discharge manifold of the Wilo-WiBooster (if no diaphragm
pressure vessel on the discharge side is present) and
connecting a garden hose connection (¾” MNPT x ¾” male
garden hose adaptor), to drain the water to the nearest floor
drain or waste water system during the flushing process.
If an optional, diaphragm pressure vessel is present on the
discharge manifold, you will have to follow the procedure
noted in diagram 6a and proceed with attaching the hose
adaptor and hose prior to opening the ¾” shutoff valve.
NOTE!
Isolation of the discharge manifold from the downstream
piping system will be needed in order to properly flush the
Wilo-WiBooster correctly before start-up for potable water
applications. Wilo recommends that either a ball valve or
butterfly valve (depending on manifold connection size)
be placed directly between the discharge manifold and
upstream piping system.
